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TI Analog Connection
Your monthly update of new Analog products from TI
September 2008
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High-Performance Analog >> Your Way |
DATA CONVERTERS
Industry’s Fastest Cycling, 16-Channel, ΔΣ 16-Bit ADC: The ADS1158 provides true 16-bit resolution with 16 input channels (8 differential); it measures all 16 channels in only 675µs. This equates to a 1.5-kSPS update—the industry’s fastest cycling time for this converter class.
- Includes 8 general-purpose digital I/O ports
- Fixed channel data rate: 125kSPS
- INL: ±1 LSB
- Applications: Multi-channel data acquisition, medical monitoring, ECG, industrial process control
24-bit, 625-kSPS, ΔΣ ADC: The ADS1672 uses a chopper-stabilized modulator for both AC and DC accuracy. A new, user-selectable, dual-path digital filter allows users to easily optimize between bandwidth and latency.
- INL: 3ppm
- Offset drift: 2µV/°C
- Applications: Automated test equipment, vibration analysis, medical instrumentation, SONAR/ military equipment
Low-Power, Multi-Channel SAR ADC Family: The ADS795x is the only family to offer a full range of options from 8- to 12-bit resolution, input configurations of 4- to 16-channels, 1.8-V to 5.25-V digital supply, and integrated features such as programmable alarm thresholds per channel and hardware interrupt function. All devices are pin- and software-compatible for easy system upgrades.
- 12-bit, 1-MSPS performance
- INL: ±1 LSB (max)
- Applications: Handheld medical equipment, programmable logic controllers, digital power supplies, touch screen controllers
Triple, 10-Bit, 90-MSPS, Video and Graphics Digitizer with Horizontal PLL: The TVP70025i is a complete solution for digitizing video and graphic signals in RGB and YPbPr color spaces. It integrates a triple, high-performance ADC with clamping functions and programmable, channel-independent variable gain. It also includes a complete, horizontal PLL block to generate a pixel clock from the HSYNC input.
- Supports up to 1080i HDTV video and WXGA RGB resolutions
- Programmable RGB-to-YCbCr color space conversion
- Applications: Industrial, automotive, TVs/monitors/projectors, digital imaging, video capture, graphics
POWER MANAGEMENT
Industry’s thinnest 500-mA Power Converter Solution: The TPS62601 is the industry’s smallest and thinnest 500-mA, step-down DC/DC converter solution for space-constrained applications. The high-efficiency power management integrated circuit (IC) is the first 6-MHz, 500-mA converter to achieve a 13-mm2 solution size with an ultra-thin 0.6-mm total height. For a video and other information, see: www.ti.com/tps62601.
SBS 1.1-Compliant Gas Gauge and Protection-Enabled IC with ImpedanceTrack™: The bq20z75-v160 is an SBS-compliant, single-chip gas gauge IC featuring patented ImpedanceTrack™ technology. Designed for 2-, 3- and 4-series cell Li-Ion/Poly battery packs, the device measures and maintains an accurate record of available charge and reports the information over a serial communication bus.
- Instant accuracy—no learning cycle required
- Smart Battery Specification SBS V1.1-compliant; supports SHA-1 authentication
- Applications: Notebook computers, medical and test equipment, handheld terminals, data logging equipment
bq20z75-v160 Price (1ku): $4.20
1-A, Single-Chip Li-Ion and Li-Pol Charger IC: The bq2408x bqTINY™ series are highly integrated, single-cell Li+ battery charge management ICs that require a minimal set of external components by integrating a 1-A charge FET, reverse-blocking circuitry and current sense.- Precharge conditioning with safety time
- Charge and power-good status output
- Applications : MP3 players, smart phones, digital cameras, PDAs, Internet devices
bq24083 Price (1ku): $0.95
3-MHz, Switch-Mode Charger with FETs and USB OTG Support in WCSP: The bq24152 is a flexible, high-efficiency, USB-friendly switch-mode charge management device for single-cell Li-Ion and Li-Pol batteries. Features include power MOSFETs, input current sensing, high-accuracy current and voltage regulation and charge termination.
- Synchronous 3-MHz PWM controller
- Integrated FETs for up to 1.2-A charge rate
- Charge current from USB: 0.8A (max)
- Applications : Mobile/smart phones, portable navigation devices, portable media players
System-Side, Impedance Track™ Fuel Gauge with Integrated LDO: The bq27510 is a highly accurate, standalone, single-cell Li-Ion and Li-Pol battery capacity monitoring and reporting device targeted at portable applications. It uses next-generation Impedance Track™ technology to provide superior accuracy. An I²C serial interface is included.
- Reports temperature, voltage, current
- Internal user EEPROM configuration memory
- Dynamic end-of-charge detection
- Applications: Cell phones, PDAs, MP3 players, digital cameras, Internet appliances
5- to 10-Cell, Li-Ion Battery Protection and AFE: The bq77PL900 is a five-to-ten series cell Li-Ion battery-pack protector that can act as a standalone, self-contained battery protection system or combine with a host microcontroller to offer fuel gauge or other battery management capabilities. The analog front end outputs allow a host controller to observe individual cell voltages and charge/discharge currents.
- Supply voltage: 7V to 50V; Supply current: 450µA (typ)
- 1-mΩ sense resistor
- Applications: Cordless power tools, uninterruptible power supply, medical equipment, portable test equipment
16-Channel, 12-Bit, PWM LED Driver with 6-Bit Dot Correction: The TLC5944 is a 16-channel constant current sink driver. Each channel has individually adjustable 4096 steps PWM and 64 steps dot correction. It has an internal pre-charge FET to prevent ghost lighting phenomena in multiplexed LED systems.
- Constant current sink: 60-mA capability
- 30-MHz data transfer rate
- LED supply voltage: Up to 15V
- Applications: LED displays, LED signboards
Dual, D-CAP™, Step-Down Controller for Notebook Power Rails: The TPS51427 is a dual, synchronous, step-down controller that includes two PWM controllers, SMPS1 and SMPS2 and low-dropout regulator. The D-CAP mode control loop provides for light load efficiency and low ESR output capacitors.
- Selectable PWM-only/OOA/auto-skip modes
- Fixed 3.3VREF output capable of sourcing 100mA
- Applications: Notebook I/O and system bus rails, graphics, PDAs, mobile communication devices
3-A, 28-V Input, Step-Down DC/DC Converter with Eco-Mode™: The TPS54331 is a 2.5-V to 28-V, non-synchronous, buck DC/DC converter. It is the first SWIFT™ DC/DC converter to incorporate a pulse-skipping Eco-Mode™ feature that provides improved efficiency under light load conditions.
- Switching frequency: 570kHz
- Integrated 80mΩ high-side MOSFET
- Applications: Set-top boxes, CPE equipment, LCD displays, battery chargers, distributed power systems
High-Efficiency, Single-Inductor, Buck-Boost Converter with 1.8-A Switches: The TPS63010, a high-efficiency, fixed-frequency buck-boost DC/DC converter, features automatic transition between buck and boost mode. It provides up to 1200-mA output current in buck mode at 3.3V or up to 800-mA output current in boost mode at 3.3V.
- Wide input voltage range: 2.1V to 5.5V
- Up to 96% efficiency
- Applications: Portable audio players, PDAs, smart phones, personal medical products, standard and high-current white LEDs
350-mA, Low-Dropout Linear Regulator with VBIAS: The TPS720xx series LDOs use innovative circuitry to achieve ultra-wide bandwidth and high loop gain, resulting in extremely high PSRR (up to 1MHz) and very low headroom (VIN – VOUT). A precision voltage reference and feedback loop provides for a 2% overall accuracy over all load, line, process and temperature extremes.
- Low quiescent current: 38µA
- VIN PSRR: 80dB (10Hz to 10kHz)
- Applications: Digital cameras, GPS personal navigators, MP3 players, wireless LAN, handheld products
Natural Interleaving™ Transition-Mode PFC Controller with Improved Audible Noise Immunity: The UCC28061 dual-phase PFC controller is a feature-rich solution offering many degrees of flexibility to tailor power factor correction designs. It features failsafe OVP, brownout, and peak current limiting during in-rush to provide a high level of robustness and reliability to the application.
- Softstart on overvoltage
- Integrated brownout
- 1-A source/1.8-A sink gate drivers
- Applications: PFC for 100W to 1kW power supplies, LCD, plasma and DLP™ TVs, motor drives for white goods
AMPLIFIERS
Lowest-Power, Zero-Drift, Precision Instrumentation Amp: The INA333 offers the lowest power, lowest input bias current and best overall voltage offset/drift combination of any single-supply instrumentation amp. Designed with TI’s Zero-Drift technology that uses a proprietary switched-capacitor notch filter to eliminate chopping noise, the INA133 achieves industry-leading, power-to-noise ratio with only 50nV/√Hz input voltage noise.
- Low noise: 50nV/√Hz, G ≥ 100
- Low offset and drift: 25µV (max) and 0.1 µV/ºC, G ≥ 100
- Applications: Portable medical, ECG amplifiers, portable instrumentation, data acquisition, bridge amplifiers, weigh scales
Auto-Zero Sensor Amp with Programmable Gain and Offset: The PGA308 is a building block for resistive bridge sensor conditioning complete with digitally programmable coarse offset, fine offset, gain and on-chip OTP memory. Auto-zero techniques achieve excellent precision and noise over the extended industrial temperature range.
- Auto-zero: 0.2µV/ºC drift
- Offset: 50µV; low noise: 50nV/√Hz
- Applications: Bridge sensors, remote 4-20mA transmitters, strain, load and weigh scales
Single-Supply, Single-Ended, Precision Programmable Gain Amp with MUX: The PGA113 provides integrated front-end programmable gain amplification for microprocessor-based systems. Programmable gains allow matching of sensor output to an ADC input voltage range. A two-channel, input multiplexer allows inputs from multiple sources.
- Zero drift: 0.35µV/°C (typ)
- Gains of: 1, 2, 5, 10, 20, 50, 100, 200
- Low noise:12nV/ Hz
- Applications: Remote e-meter reading, ACG, portable data acquisition, test and measurement, programmable logic controllers
Dual, Wideband, High-Output Current Op Amp with Active Off-Line Control: The OPA2673 is a dual-channel op amp and high output current amp with power control features designed for emerging power line modem applications. It can deliver in excess of 460mA at room temperature for demanding loads.
- Active off-line control improves the quality of the receiver
- Bandwidth: 340MHz at 12V, G = +4V/V
- Applications: Power line communications/modems, matched I/Q channel amplifiers, video line drivers, ARB line drivers, high-cap load drivers
4-Channel, SDTV Video Amp with 9.5-MHz Filters and 6-dB Gain: The THS7374 is a low-power, 4-channel video amp with bypassable integrated SDTV filters and is typically used as a DAC reconstruction filter or ADC anti-aliasing filter. For consumer products and surveillance systems, the device supports composite and component SDTV video requirements.
- Attenuation: 54dB at 27MHz
- Passband bandwidth: 1dB at 8.2MHz
- Applications: Set-top box/DVD DAC output buffering, SCART systems, surveillance systems
20-W, Stereo, I2S Input, Audio Power Amplifier with On-Chip Audio Processing: The TAS5705 is an open-loop audio amplifier that supports up to 4-channels of digital audio. The device connects directly to a scaler or audio processor via the I²S bus, eliminating the need for analog-to-digital conversion. Advanced on-chip processing includes speaker equalization, dynamic range control, digital volume control and a dedicated subwoofer channel.
- 2 x 20W, 8Ω, 18V (THD+N = 10%)
- Applications: Speaker EQ + bank switching, flat-panel TVs, consumer audio electronics
1.4-W/Channel, Stereo, Class-D Audio Subsystem with DirectPath™ Headphone Amplifier and 2:1 Input MUX: The TPA2050D4 is an analog-input audio subsystem that integrates a stereo, Class-D amplifier and stereo DirectPath headphone amp in a small package. Each input channel has a 32-step volume control. The 2:1 input MUX and mode control directs the input-to-output signal path.
- Low output noise: 12µV
- Output power: 1.4W/ch into 8Ω
- Applications: Wireless handsets, notebook PCs, portable gaming, portable media players
Combo Motor Driver with DC/DC Converters: The DRV8809, an integrated motor driver solution, features four H-bridges internally and is configurable to eight different modes of combination motor driver control. Three integrated DC/DC switch-mode buck converters generate a programmable output voltage from 1.5V to 80% of VDIN, or up to 10V, with up to a 1.5-A load current capability.
- 16-step current mode control
- Continuous current: 800mA (max)
- Applications: Inkjet printers, security cameras, vending machines, small industrial applications
Comparator Voltage-Level Translator: The TXS03121 in an integrated comparator with level-shifter function for battery monitoring and USB plug detection applications. An output FET transistor allows interfacing with low-voltage processor GPIOs.
- Supply current: 8µA (max)
- Supply voltage: 3V to 5.5V
- Applications: Cell phones, computing, GPS, MP3 players, gaming
LOW-POWER RF
RF Transceiver and RF Front End Evaluation Kit: The CC2520-CC2591EM board combines the CC2520 RF transceiver and the CC2591 RF front end, providing a powerful solution for IEEE 802.15.4 and/or ZigBee™ applications requiring longer range/higher output power and improved sensitivity. The CC2520-CC2591EMK allows the designer to evaluate the RF performance of the CC2520+CC2591 design and perform RF measurements; it is a ready-to-use module for existing designs. A motherboard where the EM can be plugged in is required. Compatible motherboards are SmartRF05EB and CCMSP-EM430F2618 (included in the CC2520DK development kit).
CC2520-CC2591EMK Price: $99
Online RF Forum: We recently launched a new online forum at www.ti.com/lprf-forum to discuss RF issues and help answer your tech support questions. Also, visit https://community.ti.com/ for videos and blogs on RF topics of interest.
INTERFACE & CLOCK
10-Output Clock Synchronizer and Jitter Cleaner: The CDCE72010 is a high-performance, low phase noise and low-skew clock synchronizer that synchronizes a VCXO or VCO frequency to one of the two reference clocks. The clock output frequencies can all be programmed on-the-fly.
- Input frequencies: Up to 180MHz
- External loop filter
- Applications: Wireless BTS, high-end medical systems, telecommunications, test equipment, target acquisition
Dual UART with 64-Byte FIFO: The TL16C952C features automatic hardware/software flow control and data rates up to 3Mbps. Product updates include low voltage (1.8V and 2.5V) processor support, changing the data bus timing from synchronous to asynchronous to match the industry norm, and automatic RS-485 transceiver control per channel.
- Patented programmable auto-RTS and auto-CTS
- Xon/Xoff software flow control
- Applications: Factory automation and process control, POS systems, gaming terminals, network management, system management, debug ports
8-Channel ESD Solution for HDMI/DisplayPort: The TPD8S009 provides a robust ESD solution for protecting high-speed differential signals used for HDMI and DisplayPort applications. Flow-through pin mapping to the connector optimizes board layout for differential signals and lowers susceptibility to unwanted EMI interference.
- Low 0.8-pF line capacitance for each data line
- Peak pulse current: 2.5A
- Applications: HDMI, display ports, DVI, serial ATA/eSATA, Ethernet
x1 PCI Express 4-Port, 4-Lane Packet Switch: The XIO3130 switch is a PCI Express x1, 4-port packet switch with one x1 upstream port and 3 downstream x1 ports. It features cut-through architecture, which allows for packet transmission while reception is still in progress.
- Compliant with PCI express base specification, rev. 1.1
- Wake event and beacon support
- Active state power management
- Applications: PCs, servers, industrial control and backplane, add-in cards
SD/SDIO Port Expander with Voltage Level-Shifter: The TXS02612 is a six-channel, 1-to-2 mux with an integrated voltage-translator optimized for multiplexing between two Secure Digital (SD), SDIO, or Multi Media Cards (MMCs). The integrated level-translator eliminates I/O voltage mismatches between processor and peripherals.
- Robust integrated ESD protection (6-kV air-gap discharge and 8-kV contact discharge) on card-side I/O signals
- No power-supply sequencing is required
- Applications: Multiplexer (between SD/MMC memory cards, SDIO devices, or onboard NAND flash memory), mobile/handsets, portable navigation devices, notebook computing and Ultra Mobile PCs (UMPCs), Mobile Internet Devices (MIDs)
Bi-Directional Voltage Level-Shifters with Direction Control for Each Channel: The SN74AVC2T245 (2-channel, two-direction control inputs) and SN74AVC4T774 (4-channel, four-direction control inputs) offer flexibility in applications where all of the data channels are not flowing in the same direction. Robust integrated ESD protection for I/O signals.
- No power-supply sequencing is required
- Includes VCC Isolation feature
- Applications: Level translation (SPI, UART, and GPIO), mobile/handsets, battery-operated equipment (cell phones, PDAs, GPS/PND), computing, telecom
ANALOG SWITCH
0.65-Ω Dual, SPDT Analog Switch with Negative Rail Capability and Click-Pop Suppression: The TS5A22362 and TS5A22364, single-pole, double-throw analog switches that operate from 2.3V to 5.5V, feature negative signal capability that allows signals below ground to pass through the switch without distortion.
- Internal shunt switch: reduces pop and click
- Low ON-state resistance: 0.65Ω (typ)
- Compatible with 1.8V logic
- Applications : Cell phones, PDAs, portable instrumentation, audio routing
DSP
TMS320DM335 DMSoC Audio Serial Port Reference Guide: The DM335 ASP interfaces with AC97 and IIS audio modes and can be programmed to support other serial formats. It offers full-duplex communication, double-buffered data registers and a direct interface with industry-standard codecs. Download the PDF now to learn more. TMS320DM335 DMSoC Audio Serial Port reference guide and a direct interface with industry-standard codecs. Download the PDF now to learn more.
TMS320DM335 DMSoC Audio Serial Port reference guide
TRAINING AND SEMINARS
New E2E Online Community: At our new online E2E (engineer-to-engineer) community, you can view videos, read blogs, or access our tech support forums. Browse the forums and you’ll see answers to questions others have asked, or you can post your own question and a TI engineer or forum member will answer. Click the blog link to find commentary on the latest trends in the rapidly emerging Mobile Internet Device market. Video topics include processors and low-power RF.
2008-2009 Power Supply Design Seminar: Provides rich technical and practical presentations that combine new advanced power supply concepts, basic design principles and real-world application examples. Held at locations worldwide in 2008 and 2009.
Technology Days 2008: Join TI for a day packed with technical design sessions and technology exhibits. The seminar is aimed at providing a learning forum where practical high-performance design solutions, tools, techniques, topologies and examples will be presented. Various dates and locations throughout North and South America.
COMPANY-AUTHORED ARTICLES IN THE MEDIA
“SCB (Part 08): Flash and Pipeline Convert Operation Explored,” Bill Klein. Planet Analog.com, February 2008
“SCB (Part 09): SAR Converters,” Bill Klein. Planet Analog.com, March 2008
“SCB (Part 10): Exploring the Delta-Sigma Converter,” Bill Klein. Planet Analog.com, March 2008
“BAKER'S BEST: Delta Sigma ADCs in a Nutshell - Part 4: The Digital/Decimation Filter,” Bonnie Baker. EDN Online, March 2008
“Class-D amplifiers energize audio in flat-panel displays,” Eric Droge. DigitalTV DesignLine.com, March 2008
“An Introduction to Clock Distribution Circuits,” Alexander Pakosta. Embedded Control Online, February 2008
CUSTOMER SUPPORT CONTACT INFORMATION
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| Product Information Center | - Europe, Africa, Middle East |
| Product Information Center | - Asia/Pacific |
| Product Information Center | - Japan |
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