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TI Analog Connection
Your monthly update of new Analog products from TI
August 2008
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DATA CONVERTERS
Ultra-High Resolution, ΔΣ ADC with PGA: The ADS1282 is an extremely high-performance, 32-bit, single-chip ADC with an integrated, low-noise programmable gain amplifier and two-channel input multiplexer. The device consumes only 27mW (typ) in high-resolution mode and offers a new level of affordability, power efficiency and integration.
- SNR: 130dB
- Flexible digital filter: Sinc + FIR + IIR
- Applications: Seismic energy exploration, earthquake and building monitors, scientific instrumentation, hydrophones, geophones
12-Bit, 1-MHz, Low-Power ADC with Serial Interface: The ADS7229 and ADS7230 offer the best linearity and unmatched AC performance. The ADS7229 includes a single, unipolar input and the ADS7230 includes a 2-to-1 input multiplexer.
- SPI™-compatible serial interface.
- INL/DNL: ±0.5 LSB
- Applications: Portable medical instruments, multi-channel data acquisition systems, automated test equipment
12-Bit, 40-kSPS, Low-Power ADC with IR and Serial Interface: The ADS8512 is a complete, low-power, 5-V single-supply ADC with serial data interface. It can be configured for a variety of input ranges including ±10V, ±5V, 0V to 10V, and 0.5V to 4.5V.
- SNR: 74dB
- INL: ±0.5 LSB (max)
- Applications: Industrial process control, test equipment, robotics, DSP servo control, medical instrumentation, portable data acquisition systems
16-Bit, 135-MSPS ADC with DDR LVDS Outputs: The ADS5483 is a single-channel, 16-bit ADC with the highest available SNR and SFDR across the first two Nyquist zones at full 135-MSPS sampling rate. A selectable dither allows for enhanced SFDR at lower AIN.
- SNR: 78.6dBFS at 70MHz IF; SFDR: 95dBc at 70MHz IF
- Applications: Wireless communications, test and measurement, guidance systems, medical imaging
1.7-W/Channel, Stereo, Class-D Audio Amp with DRC and AGC: The TPA2016D2 is a stereo, filter-free, Class-D audio power amp with volume control, dynamic range compression and automatic gain control. The DRC/AGC function is programmable via a digital I²C interface and can be configured to automatically prevent distortion of the audio signal and enhance quiet passages that are normally not heard.
- Output power: 1.7-W/Ch into 8Ω
- Selectable gain: -28dB to +30dB in 1-dB steps
- Applications: Wireless handsets, SmartPhones™, notebook PCs, portable docking stations, gaming, DVD players, educational toys, USB speakers
POWER MANAGEMENT
One-Cell, Li-Ion Charger with Full USB Compliance and USB-OTG Support: The bq24150 is a fully integrated, high-efficiency, switch-mode charge management device with charge parameters programmable through an I²C interface.
- Built-in input current sensing and limiting
- Synchronous 3-MHz PWM controller
- Integrated FETs for up to 1.2-A charge rate
- Applications: Mobile phones, smartphones, portable navigation devices, portable media players
bq24150 Price (1ku): $2.15
Low IQ, Accurate Programmable-Delay Supervisory Circuit: The TPS3818xx family of microprocessor supervisory circuits monitors system voltages from 0.4V to 5V. The TPS3818 uses a precision reference to achieve 0.5% threshold accuracy (VIT ≤ 3.3V) and has a very low 2.4-µA (typ) quiescent current.
- Adjustable delay time: 1.25ms to 10s
- High threshold accuracy: 0.5%
- Fixed threshold voltage: 0.9V to 5V
- Applications: Notebook/desktop computers, PDAs, handheld products, FPGA/ASIC applications, industrial equipment
TPS3818G25 Price (1ku): $0.95
5-Channel, Power Management IC: The TPS65058 is an integrated power management IC designed for one-cell Li-Pol or Li-Ion applications that require multiple power rails. It features two, 2.5-MHz step-down converters and three low-input voltage LDOs that can be turned off/on using separate enable pins.- Input voltage range: 1.5V to 6.5V
- High DC/DC efficiency: 95%
- Applications: Cell phones, smartphones, navigation systems, PDAs, pocket PCs, WLAN, portable media players, satellite radio modules
LOW-POWER RF
2.4-GHz RF Front End: The CC2591 is a range extender specifically designed for all existing and future RF transceivers, transmitters and system-on-chip products from TI. It increases the link budget by providing a power amplifier for increased output power and an LNA with low noise for improved receiver sensitivity.
- Highly integrated: Internal PA, LNA, switches, balun, matching network and inductors
- Up to 26-dB increased link budget
- Applications: 2.4-GHz ISM band systems, wireless sensor networks, wireless industrial systems, ZigBee®/IEEE 802.15.4 systems, consumer electronics, audio
AMPLIFIERS
20-W, Stereo PWM Input Power Stage: The TAS5102 is a high-performance, open-loop, multi-channel PWM input power stage. It supports up to 40-W (max) power dissipation, is capable of driving an 8-Ω bridge-tied load with low integrated noise at the output, and operates off of two supplies—a 3.3-V digital and 8-V to 23-V analog rail.
- 2 x 20W, 8Ω, 18V (THD+N = 10% w/heat sink)
- Greater than 90%-efficient Class-D operation (8Ω)
- Applications: Flat-panel TVs (LCD, plasma, DLP), mini/micro audio systems, DVD receivers, home theater systems
20-W, Stereo, Digital Amp Power Stage: The TAS5602 is the industry’s first high-performance, closed-loop, multi-channel power stage with PWM audio inputs. It connects directly to the PWM processor, has improved click performance and has integrated self-protection circuits.
- Flexible output configurations—stereo, quad, 2.1—support a variety of stereo and multi-channel applications
- Efficiency: up to 88% into 8Ω
- Applications: Flat-panel TVs (LCD, plasma, DLP), consumer audio
1.5-W, Filter-Free, Class-D Audio Amp with Integrated Boost Converter: The TPA2014D1 mono, Class-D audio amp can provide up to 1.5W across an 8-Ω load. Its wide 2.5-V to 5.5-V voltage supply range and very high 91-dB PSRR enable it to connect directly to the battery without sound quality degradation.
- Output power: 1.5W (8Ω) (max) with THD+N = 10%
- Applications: Cell phones, PDAs, GPS, portable electronics, mini speakers
2.5-W, Mono, Class-D Audio Power Amp: The TPA2031D1, a high-efficiency (88%), fully differential, filter-free, Class-D amp able to drive a speaker with a minimum impedance of 4Ω, consumes only 2.8mA of quiescent current. Its 32-ms start-up time allows the elimination of pop/click noise.
- Output power: 2.5W (4Ω) (max)
- High PSRR: 67dB at 217Hz
- Applications: Wireless handsets, smartphones, PDAs, GPS, portable gaming, mini speakers
15-W, Stereo, Class-D Audio Power Amp: The TPA3121D2 is designed to drive 4-, 6- and 8-Ω speakers in a single-ended (SE) output configuration. Its patented start-up and shut-down sequences minimize pop noise from the speakers, often a problem with SE amplifier designs.
- 2 x 15W, 4Ω, 22V (THD+N = 10%)
- Greater than 90% efficient Class-D operation (8Ω)
- Applications: Flat-panel TVs (plasma, LCD, DLP), cathode ray tube (CRT) TVs, consumer audio, powered speakers
INTERFACE
4-kV Isolated, 5-V, RS-485 Transceivers: The ISO3080 and ISO3086 are isolated, full-duplex differential line drivers and receivers, while the ISO3082, and ISO3088 are isolated, half-duplex differential line transceivers for TIA/EIA 485/422 applications. These devices are ideal for long transmission lines as the ground loop is broken to allow for a much larger common-mode voltage range.
- 1/8 bus load allows for up to 256 nodes on the bus
- Applications: Isolated industrial RS-485, motor control, power supplies, servo control interface, energy meters, power inverters
Industry’s First 8-Channel, 34-V, Digital-Input Serializer: The SN65HVS882 is an 8-channel, digital-input serializer for high-channel density digital input modules in industrial automation. In combination with galvanic isolators, the device completes the interface between the high-voltage signals on the field-side and the low-voltage signals on the controller side.
- Input signals are current-limited and then validated by internal debounce filters
- Adjustable current regulation: 0.2mA to 5.2mA
- Applications: Industrial automation and process control, high channel-count digital input modules, decentralized I/O modules, motion control systems
0.6- to 1.3-Gbps Ethernet Transceiver: The TLK2211 gigabit Ethernet transceiver provides for ultra-high speed, full duplex, and point-to-point data transmissions. It performs the data serialization, de-serialization and clock extraction functions for a physical layer interface device.
- Power consumption: <600mW at 1.25Gbps
- IEEE 802.3 Gigabit Ethernet-compliant
- Applications: Gigabit Ethernet switches and routers, fibre channel storage systems
Integrated 1394a Phy and Link for Consumer Electronics: The TSB43EA42 is used in consumer electronics applications requiring Quality of Service (QoS) guarantees for video transfer and robust content encryption. The device supports DTCP localization requirements that will become effective for all DTCPs shipped after July 2010.
- Two configurable high-speed video data ports
- Hardware packet formatting: general, SD-DVCR, MPEG2-TS
- Applications: STB, DTV, DVR, DVD/HDD/Blu-ray players and recorders
4-Channel, ESD Solution for High-Speed Differential Interface: The TPD4S009 offers 4 ESD clamp circuits for dual differential lines.
- Power consumption: <600mW at 1.25Gbps
- IEEE 802.3 Gigabit Ethernet-compliant
- Applications: Gigabit Ethernet switches and routers, fibre channel storage systems
LINEAR AND LOGIC
Bi-Directional, Auto-Direction Sensing Voltage Level Translation: The TXS0101 switch-type translators are dual-supply, auto direction-sensing devices used to bridge the digital-switching compatibility gap between two different supply voltages on the same circuit board.
- No direction control signal needed
- Support data rates up to 24Mbps
- Applications: Cell phones, telecom, computers, servers, applications requiring I²C or MMC card interface or 1-wire level translation
Comparator Voltage-Level Translator: The TXS03121 integrated comparator with level-shifter function is designed for battery monitoring and USB plug detection applications. The output FET transistor allows interfacing with low-voltage processor GPIOs.
- 2.5-V to 5.5-V operation; voltage-level detection from 0.8V to V+
- Integrated comparator and FET level-shifter function
- Applications: Mobile/cell phones, computing, GPS, PND, MP3 player, PMP, gaming
TXS03121 Price (1ku): $0.32
10-Ω, Single SPDT Analog Switch: The TS5A9411, a single-pole, double-throw analog switch that operates from 2.25V to 5.5V, offers low ON-state resistance and very low power consumption. The make-before-break feature prevents signal distortion during signal transfer from one path to another.
- ON-state resistance: 5.3Ω (typ)
- ON-state resistance match: 0.03Ω
- Applications: Cell phones, smartphones, PDAs, portable instrumentation, portable test equipment, computer peripherals
TS5A9411 Price (1ku): $0.16
IEC Level-4 ESD-Protected, 0.75-Ω SPDT Analog Switch with 1.8-V Logic-Compatible Input Logic: The TS5A12301E single-pole double-throw (SPDT) analog switch offers low ON-state resistance with excellent channel-to-channel ON-state resistance matching. A break-before-make feature prevents signal distortion during the transferring of a signal from one path to another.
- 2.25-V to 5.5-V operation
- Low total harmonic distortion
- Applications: Cell phones/PDAs, portable instrumentation, battery-powered equipment, audio and video signal routing, communication circuits, portable media players, MP3 players
TS5A12301E Price (1ku): $0.43
DSP
Download the 3Q08 Video and Imaging Solutions Guide: Newly updated, this guide has system block diagrams for more than 25 video-based solutions, including a home transcoder/high-definition set-top box, a video analytics server and an automotive vision/blind spot/lane departure warning system. Take a look at the block diagrams and selection guide tables in the new Video and Imaging Guide.
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.
COMPANY-AUTHORED ARTICLES IN THE MEDIA
“PFC Control Features for Improved Safety and Reliability,” Rich Valley. EFY Online, January 2008
“SCB (Part 05): Intro to Amplifier Instrumentation,” Bill Klein. Planet Analog.com, January 2008
“Multiphase Boost Converter Powers Car Audio Amp,” Brian King and Dave Parks. PET Online, January 2008
“Generating Low Cost Auxiliary Voltages,” John Betten. PET Online, January 2008
“BAKER'S BEST: Delta Sigma ADCs in a Nutshell - Part 2,” Bonnie Baker. EDN Online, January 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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