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TI Analog Connection
Your monthly update of new Analog products from TI
Early July 2008
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DATA CONVERTERS
12-Bit, 2-MSPS, 2+2 Channel Simultaneous Sampling ADC: The ADS7863 is a dual ADC with four fully differential or six pseudo-differential input channels grouped into two pairs for high-speed, simultaneous signal acquisition.
- Excellent drift performance (gain drift: 1ppm/ºC; offset drift: 0.6ppm/ºC)
- Provides excellent measurement repeatability over the operating temp range
- Applications: Motor control, multi-axis positioning systems, three-phase power controls
10-/8-Bit, 3-MSPS, Micropower SAR ADCs: The ADS7884 and ADS7885 are the lowest power 10-/8-bit, 3-MSPS SAR ADCs on the market, consuming only 15mW at 3MSPS, 5V VDD and 6.8mW at 2.5MSPS, 3V VDD. Operation is from 2.7V to 5.5V and the high level of the digital input in not limited to the device’s VDD—meaning the digital input can go as high at 5.5V when the device is operating on 2.7V.
- INL: ±0.8 LSB (max) ADS7884; ±0.4 LSB (max) ADS7885
- SINAD: 60dB (min) ADS7884; 49dB (min) ADS7885
- Applications: Optical sensors, handheld/battery-powered systems, high-speed data acquisition, high-speed closed-loop control
16-Bit, 250-kSPS, Flexible Digital Supply ADC: Featuring the first low-voltage digital interface that can support 1.8-V I/O in this device class, the ADS8519 is a ±10-V bipolar input range, SAR ADC with inherent sample/hold and clock.
- Flexible input ranges: 8V, ±5V, ±10V
- Flexible digital supply: 1.65V to 5.25V
- Applications: Industrial process control, data acquisition systems, test equipment, medical equipment
12-Bit, Quad, Ultra-Low Glitch VOUT DACs: The DAC7564 and DAC7565 are single-supply, low-power DACs with an integrated 2.5-V, 2ppm/ºC internal reference with 0.004% initial accuracy and 20-mA sink/source capability. The DAC7564 offers binary input and power-on-reset (POR) to zero and the DAC7565 has a programmable POR to either zero or mid-scale range; hence the data format can be either binary or 2’s complement.
- DNL: ±0.1 LSB (typ); INL: ±0.5 LSB (typ)
- Low glitch: 0.15nV-s
- Applications: Process control, data acquisition systems, closed-loop server control, PC peripherals and portable instrumentation
12-Bit, 65-MSPS, 8-Channel ADC with Serialized LVDS Interface: The ADS5282 consumes only 77mW per channel, making it the lowest power ADC in its class on the market. Using serialized DDR LVDS outputs, the ADS5282 minimizes the trace count from the ADC to the digital processor, significantly easing layout and reducing FPGA or ASIC pin consumptions vs. a parallel data fan-out.
- SNR: 70dBFS
- SFDR: 85dBc at 5MHz IF
- Serialized LVDS output with programmable current
- Applications: Medical and industrial ultrasound, wireless communications, multichannel data acquisition systems
POWER MANAGEMENT
Li+ Charger Front-End IC Protects Against Overcurrent and Overvoltage Conditions: The bq2431x and bq2430x are highly integrated circuits designed to protect Li-ion batteries from failures of the charging circuit by continuously monitoring the input voltage, the input current and the battery voltage. The IC monitors its own internal temperature and switches off before it becomes too hot.
- Input voltage: 30V (max)
- <1µs response against input overvoltage
- Applications: Mobile phones, Bluetooth™ headsets, portable navigation devices, portable media players
bq24315 Price (1ku): $0.55
20-A, 4.75-V to 14-V, Non-isolated, Digital PowerTrain™ Module: The PTD08A020W is a high-performance, 20-A rated, non-isolated digital PowerTrain module that is used in conjunction with a digital power controller such as the UCD92xx or UCD91xx families. The device receives control signals from the digital controller and provides parametric and status information back to the digital controller.
- Wide input voltage range: 4.75V to 14V
- Applications: Digital power systems using UCD92xx digital controllers, advanced computing and server applications
PTD08A020W Price (1ku): $12.90
- Programmable soft start
- Low ISENSE threshold: 150mV
- Applications: Battery-powered systems, industrial control systems, LED lighting systems
Dual, Synchronous Step-Down Controller for Low Voltage Power Rails: The TPS53124 is a dual, adaptive on-time DCAP Mode™ mode synchronous controller. D-CAP mode operation provides fast transient response with no external compensation.
- Input voltage range: 4.5V to 24V; output voltage range: 0.76V to 5.5V
- Applications: Digital TV power supplies, networking home terminals, digital STB
7-Channel, High-Efficiency, 175-mA Charge Pump for White LED Backlight: The TPS60255 is a constant frequency charge pump DC/DC converter that uses 1x and 1.5x conversion to maximize efficiency over the input voltage range. These current regulators are programmed by three independent brightness registers and five on/off bits using a 1-wire interface (EasyScale™).
- Drives six 25-mA current sinks and one 80-mA current sink
- Completely separate operation in sub-LEDs
- Applications: Cell phones, PDAs, general white LED backlighting for small LCD display
1.5-A White LED Driver for Notebooks: The TPS61180/1/2 is a new family of highly integrated white LED drivers for media-size LCD backlight applications. The devices have a built-in, high-efficiency boost regulator with integrated 1.5-A/40-V power MOSFET.
- 6 current sink regulators provide high-precision current regulation and matching and can support up to 60WLED
- Switching frequency: 1MHz, 1.3MHz
- Applications: Notebook LCD display backlight, UMPC LCD display backlight, backlight for media form factor LCD display
500-nA (typ) IQ, 150-mA Low-Dropout Regulator: The TPS78001 low-dropout linear regulator delivers 15mA output current while consuming only 500-nA quiescent current or less than 40-nA ground current in shutdown mode. Designed for compatibility with ultra-low power MSP430 microcontrollers, it has an input voltage range of 2.2-V to 5.5V.
- 3% accuracy over load, line and temperature
- Available in dual-level, fixed-output voltages: 1.5V to 4.2V
- Applications: TI MSP430 applications, power rails with programming mode, leakage reduction for 90-nm and 65-nm processors, PDAs, MP3 players, handheld devices
LOW-POWER RF
Z-Accel Network Processor for ZigBee®: The CC2480 (formerly CCZACC06) is a cost-effective, low-power, Z-Accel ZigBee processor that provides full ZigBee functionality with minimal development effort.
CC2480 Demo Kit Price: $99
Z-Stack Zigbee Protocol Stack Software 2.0.0 for the MSP430F4618 + CC2420: TI supports the latest ZigBee 2007 specification, including the ZigBee and ZigBee PRO feature sets with the latest Z-Stack software 2.0.0 installer. Z-Stack software 2.0.0 runs on the MSP430 EXP boards (MSP430F4618 + CC2420EM) and is available free.
Z-Stack Price: Free
AUDIO & IMAGING
Single-Ended, Precision Programmable Gain Amplifier with MUX: The PGA112 provides integrated front-end programmable gain amplification for microcontroller-based systems with onboard ADCs and DACs. Programmable gains allow matching of the sensor output to an ADC input voltage range. Internal calibration channels provide system-level calibration, and a two-channel input multiplexer allows inputs from multiple sources.
- Gains of 1, 2, 4, 8, 16, 32, 64, 128
- Zero drift and RRIO
- Applications: Remote e-Meter reading, automatic gain control, portable data acquisition, test and measurement, programmable logic controllers, handheld applications
8-Channel, Ultra-Low Power Variable Gain Amp with Low-Noise Pre-Amp: The VCA8500 requires only 65mW/channel, features 0.8nV/√Hz low noise (the low-noise pre-amp gain is fixed at 20dB), and has excellent noise and signal handling characteristics. The voltage-controlled attenuator’s gain can vary over a 46-dB range with a 0-V to 1.2-V control voltage common to all channels.
- Post-gain amplifier can be programmed for four gain settings: 20dB, 25dB, 27dB, or 30dB
- Applications: Medical imaging, ultrasound, portable, low and mid-range systems, sonar
20-W, Stereo (BTL) Digital Amplifier Power Stage: The TAS5601, a closed-loop, multi-channel power stage with digital PWM audio inputs, operates from a 3.3-V digital supply and 10-V to 26-V analog supply rail. It supports stereo (2 x 20W), quad (4 x 10W) and 2.1-channel (2 x 10W + 1 x 20W) applications.
- Up to 88% into 8Ω efficiency
- 99-dB SNR, 0.04% THD+N at 1kHz, 10W
- Applications: Flat-panel TVs, mini speakers, docking stations, wireless speakers
INTERFACE
11.3-Gbps Laser Diode Driver: The ONET1101L is a high-speed, 3.3-V laser driver designed to directly modulate a laser at data rates from 2Gbps up to 11.3Bbps. The device provides a 2-wire serial interface, which allows digital control of modulation, bias currents and cross point, eliminating the need for external components.
- Integrated automatic power control loop and additional circuitry supports laser safety and transceiver management systems
- 2-wire digital interface
- Applications: 10-gigabit Ethernet optical receivers, 2/4/8G and 10G fibre channel, SONET OC-192/SDH-64 optical receivers
70-V, Fault-Protected RS-485 Transceivers: The SN65HVD178x and SN65HVD1791 are ±70V, fault-protected, half duplex and full duplex, respectively, 5-V RS-485 transceivers in speed grades of 128kbps, 1Mbps and 10Mbps. The bus pins can be shorted indefinitely to line voltages of up to ±70V with no damage.
- Wide common-mode range: -20V to +25V
- ±16kV JEDEC HBM protection
- Applications: HVAC, battery-powered systems, power inverters, industrial automation, motor control, telecommunications equipment
8-Channel, Nominal 24-V, Digital-Input Serializer: The SN65HVS880 is a highly integrated, 0-V to 30-V industrial serializer able to take eight digital inputs and serialize them into an SPI interface. Integrated system features include a built-in adjustable current regulator and integrated programmable de-bounce.
- Eight inputs cascadable to >160
- Adjustable current regulation: 0.2mA to 5.2mA
- Applications: PLCs, HVAC, elevators, industrial automation I/O modules
Camera Parallel RGB to MIPI CSI-1 Serial Converter: The SN65LVDS315 serializer converts 8-bit parallel data into MIPICS1 or SMIA CCP-compliant serial signals. The reduction of the number of transmitted signals allows for smaller mechanical designs, longer trace length and lower EMI.
- MIPI CSI-1 and SMIA CCP support
- Pixel clock range: 3.5MHz to 26MHz
- Applications: Portable devices with OMAP24xx, mobile phones, handheld barcode scanners
SWITCHES & MULTIPLEXERS
Quad, 0.45-Ω SPDT Analog Switch with Two Control Inputs: The TS3A44159, a quad, single-pole, double-throw analog switch with two control inputs, is designed to operate from 1.65V to 4.3V.
- Capable of a dual double-pole, double-throw configuration.
- Operation from 1.65V to 4.3V
- Applications: Cell phones, PDAs, portable gaming, portable instrumentation, low-voltage acquisition systems
0.9-Ω, Low-Voltage, Single-Supply, Dual SPST Analog Switches: The TS3A4741 and TS3A4742 are low ON-state resistance, dual single-pole, single-throw (SPST) analog switches that operate from a single 1.6-V to 3.6-V supply. These devices have fast switching speeds and handle rail-to-rail analog signals. The digital logic input is 1.8-V CMOS-compatible when using a 3-V single supply.
- Quiescent current: 750nA (max)
- Fast switching: tON = 14ns, tOFF = 9ns
- Applications: Cell phones, power routing, battery-powered equipment, audio and video signal routing, communication circuits, portable medical, PCMCIA cards
TS3A4741 Price (1ku): $0.29
16-Channel to 8-Channel GbE LAN Switch with IEC ESD Protection: The TS3L500AE 16-to-8 multiplexer/demultiplexer LAN switch is designed to support high-bandwidth signal switching functionality. The device supports 950-MHz bandwidth throughput with flat and desirable ON-state resistance behavior of 4Ω.
- Incorporates 8kV contact discharge ESD protection
- Provides three extra channels for LED switching
- Applications: PC servers and workstations, notebook docking stations, Ethernet hubs, Ethernet routers and switches, audio/video switches
TS3L500AE Price (1ku): $0.95
NEW LITERATURE & VIDEOCASTS
2008 Power Management Guide: Features a broad portfolio of leading-edge power products, design factors, application notes and parametric tables tailored to help you meet your unique design challenges.
End Equipment Information: Find a complete solution for your end equipment with block diagrams, application notes, tools and software.
Applications Information: Find a complete solution for your end equipment with block diagrams, application notes, tools and software at www.ti.com/applications.
EMI Reduction Videocast: Ways to reduce EMI.
SN654HVS882 Videocast: The industry's first eight-channel, 34V digital-input serializer for industrial automation and test and measurement applications.
TMP102 Videocast: A two-wire, serial-output temperature sensor available in tiny SOT563 package. Requiring no external components, the TMP102 is capable of reading temperatures to a resolution of 0.0625°C.
TRAINING AND SEMINARS
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.
Low-Power RF and ZigBee® Networking Workshop: This hands-on, 3-day course will provide a solid foundation in RF capabilities, MAC layer communications, OSAL/HAL usage, ZigBee networking and Z-Stack-based product development. To be held in select cities in the U.S. and Europe.
COMPANY-AUTHORED ARTICLES IN THE MEDIA
“Improving Medical Imaging Quality through the High-Speed Signal Chain,” Chuck Sanna. ECN: November 2007
“SIGNAL CHAIN BASICS (Part 00): Video Intro - Bi-Monthly Series,” Bill Klein. Planet Analog: November 2007
“SIGNAL CHAIN BASICS (Part 01): Op Amps - The Basic Building Block w/sidebar,” Bill Klein. Planet Analog: November 2007
“SIGNAL CHAIN BASICS (Part 02): Op Amp--Basic Operations,” Bill Klein. Planet Analog: November 2007
“SIGNAL CHAIN BASICS (Part 03): Analog and the Digital World,” Bill Klein. Planet Analog: November 2007
“SIGNAL CHAIN BASICS (Part 04): Introduction to ADC Types,” Bill Klein. Planet Analog: November 2007
“Mobile WiMAX: Challenges and Opportunities,” David Bailey. Wireless Design & Development: November 2007
“Frequency Compensation in Switching Regulator Design: Part 2: Feedback Path Compensation,” Nigel Smith. Power Systems Design: October 2007
“BAKER'S BEST: Delta Sigma ADCs in a Nutshell,” Bonnie Baker. EDN: December 2007
CUSTOMER SUPPORT CONTACT INFORMATION
| Product Information Center | - Americas |
| Product Information Center | - Europe, Africa, Middle East |
| Product Information Center | - Asia/Pacific |
| Product Information Center | - Japan |
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