New High-Performance Analog Showcase
from Texas Instruments
November 2004

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In this Issue:
Data Converters
Power Management
Amplifiers
RF
Analog Training/Seminars
Company-Authored Articles in the Media
Customer Support Contact Information

DATA CONVERTERS

Wide Bandwidth, 24-Bit A/D Converter: The ADS1271 is a 24-bit, ΔΣ A/D converter that provides a combination of excellent DC accuracy and outstanding AC performance, enabling a new level of precision measurements in industrial, medical and automotive applications.
  • DC accuracy: 1.8µV/C offset drift, 2ppm/C gain drift and offset calibration on command
  • AC performance: 51 kHz bandwidth, 109 dB SNR and -105 dB THD
  • Fully specified over -40ºC to +105ºC temperature range
  • Three selectable operating modes allow for optimization of speed (105 kSPS data rate), resolution (109 dB SNR) and power dissipation (35 mW)
  • Applications: Vibration/modal analysis, acoustics, dynamic strain gauges, pressure sensors, test and measurement, data acquisition
www.ti.com/ads1271

Precision A/D & D/A with 8051 Microcontroller and Flash Memory: The MSC1213Yx/MSC1214Yx are completely integrated families of mixed-signal devices incorporating a high-resolution ΔΣ ADC, dual 16-bit DACs, 8-channel multiplexer, burnout detect current sources, selectable buffered input, offset DAC, programmable gain amplifier, temperature sensor, voltage reference, 8-bit microcontroller, and Flash program and data memory.
  • Applications: Industrial process control, instrumentation, liquid/gas chromatography, blood analysis, smart transmitters, portable instruments, weigh scales, pressure transducers, intelligent sensors, portable applications and DAS systems
MSC1213: Price (1 ku) $12.65-$15.95
MSC1214: Price (1 ku) $12.15-$15.45

High-Performance, 24-Bit, 216-kHz Sampling Four-Channel Audio ADC: The PCM4204 is a high-performance, four-channel ADC designed for professional and broadcast audio applications.
  • Architecture uses a 1-bit ΔΣ modulator per channel, incorporating a novel density-modulated dither scheme for improved dynamic performance
  • Applications: Digital recorders and mixing desks, digital audio effects processors, broadcast studio equipment, surround sound encoders and high-end A/V receivers
PCM4204: Price (1 ku) $14.95

  

POWER MANAGEMENT

High-Performance Battery Monitor IC: The bq26221 is an advanced battery monitoring device designed to accurately measure the charge and discharge currents in rechargeable battery packs.
  • Works with the host controller in portable systems to implement battery management
  • Applications: Cell phones, PDAs, and other portable products
bq26221: Price (1 ku) $2.05

Single-Cell Li-Ion and Li-Pol Battery Gas Gauge IC: The bqJUNIOR™ series ICs are highly accurate standalone, single-cell Li-Ion and Li-Pol battery capacity monitoring and reporting devices.
  • Integrate a low-power microprocessor that can automatically calculate the battery's remaining capacity and a system run-time prediction
  • Applications: Space-limited, portable applications such as PDAs, smart phones, MP3 players, and other handheld devices.
bq27000: Price (1 ku) $2.50

3-Channel, Current-Regulated, 75-mA Charge Pump for White LED Backlight: The TPS60231 charge pump, optimized for white LED supplies in color display backlight applications, provides a constant current for each LED where the initial value can be set by an external resistor.
  • Supply voltage: 2.7 V to 6.5 V
  • Suitable for applications powered by a single Li-Ion battery cell or three to four NiCd, NiMH, or alkaline battery cells
TPS60231: Price (1 ku) $1.40

Cap-Free, NMOS, 150-mA Low Dropout Regulator w/Reverse Current Protection: The TPS731xx family of low dropout regulators (LDO) uses a new topology: an NMOS pass element in a voltage-follower configuration.
  • Topology is stable using output capacitors with low ESR and even allows operation without a capacitor
  • Applications: Portable/battery-powered, post-regulation for switching supplies, noise-sensitive circuits and point-of-load regulation for DSPs, FPGAs, ASICs, and MCUs
TSP73132: Price (1 ku) $0.45
TPS73216: Price (1 ku) $0.65
TPS73632: Price (1 ku) $0.85

Backup-Battery Supervisors for RAM Retention: The TPS3620 supervisory circuit monitors and controls processor activity by providing backup-battery switchover for data retention of CMOS RAM.
  • Applications: Consumer, portable, medical and industrial devices

TPS3620-33: Price (1 ku) $1.10

6-A, 12-V Input Non-Isolated Wide-Output Adjust Power: The PTH12000 series of non-isolated power modules uses double-sided surface mount construction and synchronous rectification technology to deliver up to 6 A of output current in a small package.

  • Applications where space, performance and cost are important design constraints such as telecom, industrial and general-purpose circuits, including low-power dual-voltage systems that use a DSP, microprocessor or ASIC
PTH12000: Price (1 ku) $6.90

12-A, 12-V Non-Isolated Wide-Output Adjust Power Module: The PTH12010 series of non-isolated power modules—featuring high output current, compact footprint, and industry-leading features—power complex multi-processor digital systems.
  • Double-sided, surface-mount construction and high-performance step-down power conversion for up to 12 A of output current
  • Applications: Complex multi-voltage, multi-processor systems that incorporate high-speed DSPs, microprocessors and bus drivers
PTH12010: Price (1 ku) $11.60

3-A 3.3/5.5-V Input-Adjustable Switching Regulator: The PTH04070W is a highly integrated, low-cost switching regulator module that delivers up to 3 A of output current.
  • Provides output current at high efficiency and low power dissipation, thereby eliminating the need for a heat sink
  • Applications: Telecommunications, test and measurement applications and high-end consumer products
PTH04070W: Price (1 ku) $4.30

Current-Limited Power-Distribution Switch: The TPS204xB/TPS205xB power-distribution switch is intended for applications where heavy capacitive loads and short circuits are likely to be encountered.
  • Incorporates two 70-mΩ N-channel MOSFET power switches in a single package
  • Applications: USB and industrial
TPS2052: Price (1 ku) $0.70

Dual Slot ExpressCard™ Power-Interface Switch: The TPS2236 ExpressCard power interface switch provides the total power management solution required by the ExpressCard specification and supports systems with dual slot sockets.
  • Applications: Notebook and desktop computers, PDAs, digital cameras, and TVs
TPS2236: Price (1 ku) $1.40

0.5%, 100-mA, Adjustable Precision Shunt Regulator: The TL431B and TL432B are three-terminal adjustable shunt regulators with specified 0.5% tolerance (max) at 25ºC and 14 mV (typ) temperature drift from -40ºC to 125ºC.

TL431B, TL432B: Price (1 ku) $0.27
 
AMPLIFIERS

 20-MHz, High-Precision CMOS Op Amp: The OPA727/OPA728 series op amps use a state-of-the-art, 12-V analog CMOS process and e-trim (a package-level trim) to offer outstanding DC precision and AC performance.
  • Applications: Communications, optical networking, high-end audio and active filter applications
OPA727: Price (1 ku) $1.45
OPA728: Price (1 ku) $1.45

3-V Single-Supply, 80-MHz, High-Speed Op Amp: The high-speed OPA358 amplifier is optimized for 3-V single-supply operation.
  • Excellent video performance: 0.5 dB gain flatness is 25 MHz, differential gain is 0.3%, and differential phase is 0.7º
  • Applications: Consumer electronics, portable electronics, telecom and test equipment
OPA358: Price (1 ku) $0.45

Dual, Precision, Low-Power, 18-MHz Transimpedance Amplifier: The OPA381 family of transimpedance amplifiers provides 18 MHz of gain bandwidth (GBW), with extremely high precision, excellent long-term stability, and very low 1/f noise.
  • Offset voltage of 25 µV (max), offset drift of 0.1 µV/ºC (max) and bias current of 3 pA
  • Applications include precision I/V conversion, photodiode monitoring, optical amplifiers, cat-scanner front-end and photo lab equipment
OPA2381: Price (1 ku) $2.25

Single 5.5-MHz RRO Op Amp: The LMV821 is a low-voltage (2.5 V to 5.5 V), low-power op amp with low supply current, rail-to-rail outputs and input common-mode range, which includes ground.
  • Application: Portable electronics
LMV821: Price (1 ku) $0.44

Single 1.8-V Op Amp with Rail-To-Rail Input and Output: Specified for operation from 1.8 V to 5 V, the LMV931 is designed for portable applications powered from a single-cell Li-Ion or two-cell batteries.
  • Applications: PCs, consumer electronics, telecom & networking, industrial, and monitoring
LMV931: Price (1 ku) $0.41


RF

Single-Chip Multiband RF Transceiver: The TRF6903 single-chip solution is a low-cost multiband FSK or OOK transceiver that establishes a frequency-programmable, half-duplex, bidirectional RF link.
  • Applications: Metering, alarm/security, HVAC, and medical
TRF6903: Price (1 ku) $2.70


ANALOG TRAINING/SEMINARS

System Power Webcast: “AdvancedTCA® Power System Design: Understanding PICMG3.0 Board Power Requirements, Challenges and Design Considerations” will be presented via Tech Online by Jack Olson and Jim Bird of TI System Power. ATCA is a new open standard developed by the PICMG for carrier-grade communications equipment. It promises to be the next standard architecture for high-performance/high-reliability telecom and datacom systems. Click here to register.

MSP430 Advanced Technical Conference: Sharpen your knowledge of the MSP430 family of devices while exchanging ideas in an interactive informal setting. Choose from in-depth workshops and seminars focused on the newest information pertaining to the MSP430 architecture, peripherals, coding/design techniques and applications. Offered in December in Europe. Agenda can be downloaded here.

2005 TI Developer Conference: To learn about state-of-the-art video applications for streaming, surveillance and portable media, attend the 2005 North America TI Developer Conference. Learn how to overcome design challenges and discover how flexible high-performance analog and digital solutions can be. Register by Dec. 15, 2004, and receive a $30 music download gift.

Analog eLab Webcasts: TI’s Analog Webcasts are archived for review. Seminar topics include Single Supply Op Amps, Portable System Power, and Amp-to-ADC Interface. To view, go to www.ti.com/analogelab


COMPANY-AUTHORED ARTICLES IN THE MEDIA CUSTOMER SUPPORT CONTACT INFORMATION
Product Information Center - Americas Ph: +1 (972) 644-5580
Product Information Center - Europe Ph: +44 (0) 1604 66 33 99
    Fax: +49 (0) 8161 80 2045
Product Information Center - Asia Ph: +886-2-2378-6800
Product Information Center - Japan Ph: +81-3-3344-5311

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