New High-Performance Analog Showcase
from Texas Instruments
October 2004

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

POWER MANAGEMENT

Single 1-A Current-Limited, Power-Distribution Switches for USB Applications: The TPS206x power-distribution switches are intended for applications where heavy capacitive loads and short-circuits are likely to be encountered.
  • 70-mΩ N-channel MOSFET power switches for power-distribution systems that require multiple power switches in a single package
  • Applications: USB (1.1 or 2.0) and industrial
TPS2061: Price (1 ku) $0.60
TPS2065: Price (1 ku) $.080
TPS2062/6: Price (1 ku) $0.65
TPS2063/7: Price (1 ku) $0.90

Dual-Slot PCIX, PCIX 1.0 and PCIX 2.0 Hot-Plug Power Controller for Servers: The TPS2342 contains main supply power control, auxiliary supply power control, power FETs for 12-V, -12-V and auxiliary 3.3-V supplies, VIO control, and digital control of slots.
  • Contains supply control and switching for two slots; supports both serial and direct communication to the slots
  • Application: Hot-plug slots in servers
TPS2342PFP,PFPR: Price (1 ku) $7.00

Primary Side Push-Pull Driver with Dead-Time Control: The UCC28089 is a versatile BiCMOS controller for DC/DC or off-line, fixed-frequency switching power supplies.
  • High-current totem-pole dual output stage drives push-pull configuration with 1-A sink and 0.5-A source capability
  • Can be used in push-pull, half-bridge, or full-bridge topologies with oscillator synchronization output with low start-up current of 130 µA and 1.4-mA typical run current
  • Applications: High efficiency cascaded converters, inverters, electronic ballasts, UPS, and AC or DC links
UCC28089D,DR: Price (1 ku) $0.65

2-Phase Buck Controller with Integrated Drivers: The TPS40130 is a two-phase synchronous buck controller that is optimized for low-output voltage, high-output current applications powered from a 3-V to 40-V supply.
  • Multi-phase converter offers several advantages over a single power stage including lower current ripple on the input and output capacitors, faster transient response to load steps, improved power handling capabilities, and higher system efficiency
  • Applications: Graphic cards, Internet servers, networking equipment, telecom equipment, and DC power-distributed systems
TPS40130DBT,DBTR: Price (1 ku) $1.30

Current-Limited Power-Distribution Switcher: The TPS2047B power-distribution switcher is intended for applications where heavy capacitive loads and short circuits are likely to be encountered.
  • Incorporates 70-mΩ N-channel MOSFET power switches for power-distribution systems that require multiple power switches in a single package
  • Applications: USB (2.0 or 1.1), industrial application power switching, heavy capacitive loads, and short-circuit protection
TPS2047BD,BDR: Price (1 ku) $0.90

Multi-Channel 1-cell Li-Ion Power Management IC: USB/AC Charger, 2 DC/DC, 2 LDOs, I2C Interface: The TPS65013 is an integrated power and battery management IC for applications powered by one Li-Ion or Li-Polymer cell that require multiple power rails.
  • Features linear charger management for single Li-Ion or Li-Polymer cells, dual input ports for charging from USB or wall, charge current programmable via external resistor, and 1-A 95% efficient step-down converter
  • Applications: PDAs, cell phones, digital still cameras, and applications based on OMAP1710
TPS65013RGZR,RGZT:Price (1 ku) $3.90

Programmable Feedback Divider: The TPS40120 is a 6-bit digitally programmed feedback divider designed to work with a TPS40090 multiphase controller or other controllers having 0.7-V internal reference to support VRM 10.x-compliant power supplies.
  • Supports discrete DC/DC converters for Intel® processors using 5-bit Pentium® 4 or Xeon™ or 6-bit VID codes with 12.5-mV steps
  • Applications: Voltage regulator modules VRM/EVRD 10.X and multiphase processor power supplies
TPS40120PW,PWR: Price (1 ku) $0.49

400 mA, 1.25-MHz, High-Efficiency, Step-Down Converters: The TPS6222x family are high-efficiency, synchronous step-down converters in a 1-mm high ThinSOT-23 package.
  • Deliver output current up to 400 mA and output voltages down to 0.7 V with efficiency up to 95%
  • Applications: Systems powered by 3-cell NiMH/NiCd/Alkaline or single-cell Li-ion batteries such as PDAs, wireless LAN, BluetoothTM, digital cameras and GPS systems
TPS62228, TPS62229: Price (1 ku) $1.50

bqSWITCHER: The bq24108 is a synchronous switch-mode Li-Ion and Li-Pol charge management IC with integrated power FETs in a 3.5 x 4.5 mm2 QFN.
  • Charge management devices for single-, two- or three-cell Li-Ion and Li-Pol battery packs
  • Applications: Handheld products, portable media players, industrial and medical equipment, and portable equipment
bq24108RHLR: Price (1 ku) $2.20

Adjustable, Dual-Output, Positive and Negative 1950-mA Switch Boost DC/DC: The TPS65130/1 is dual-output DC/DC converter generating a positive output voltage up to 15 V and a negative output voltage down to -15 V with output currents in the 200 mA range in typical applications, depending on input voltage to output voltage ratio.
  • With a total efficiency up to 85% the device is ideal for portable battery-powered equipment
  • Applications: Small to medium OLED displays, TFT, LCD, CCD, and PCI
TPS65131RGER,RGET: Price (1 ku) $3.60

20-A, 18- to 60-V Input Auto-Track-Compatible Isolated DC/DC Converter: The PTB78520W is a 20-A rated, wide-input (18- to 60-V) isolated DC/DC converter that incorporates Auto-Track™ power-up sequencing.
  • Module provides two outputs, each regulated to the same voltage
  • Application: Telecom
PTB78520WAH,WAS: Price (1 ku) $62.00

  

AMPLIFIERS

Precision, Low-Power, 18-MHz Transimpedance Amplifier: The OPA381 family of transimpedance amplifiers provides 18-MHz gain bandwidth 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: Precision measurement for industrial and medical applications
OPA381A: Price (1 ku) $1.45

80-mW Capless Stereo Headphone Driver: The TPA4411 stereo headphone driver allows the removal of the output DC-blocking capacitors for reduced component count and cost.
  • Capable of driving 80 mW into a 16-Ω load at 4.5 V
  • Fixed gain of -1.5 V/V and headphone outputs with ±8-kV IEC ESD protection
  • Independent shutdown control for the right and left audio channels
  • Applications: Small portable electronics, where size and cost are critical design parameters
TPA4411RTJR,RTJT: Price (1 ku) $0.70

High-Gain, Adjustable Range, Wideband, Voltage-Controlled Amplifier: The VCA810 is a DC-coupled, wideband, continuously variable, voltage-controlled gain amplifier.
  • Provides a differential input to single-ended output conversion with a high-impedance gain control input used to vary the gain over a -40 dB to +40 dB range linear in dB/V
  • Applications: Those applications where a pulse-oriented signal path requires a gain normalization prior to further processing
VCA810ID,IDR: Price (1 ku) $5.75

Low-Power, Single-Supply, Fixed-Gain Video Buffer Amplifier: An internally fixed-gain version of the OPA830, the OPA832 uses only 3.9-mA supply current, trimmed at 25ºC, providing excellent bandwidth and output capability in a low-power, low-cost device.
  • Gain of +2-V/V bandwidth exceeds 92 MHz with typical 0.1-dB flatness beyond 20 MHz
  • General-purpose, low-cost, high-speed video buffer amp drives doubly terminated transmission lines
  • Applications: Video, consumer, communications, and portable test equipment
OPA832ID,IDR,IDBVR, OPA832IDBVT: Price (1 ku) $0.70

Precision, High-Speed Transimpedance Amplifier: The OPA380 family provides 90-MHz GBW operation with extremely high precision, excellent long-term stability and very low 1/f noise.
  • >1-MHz transimpedance bandwidth; single/dual versions available
  • Bias current 50 pA, offset voltage 25 µV (max), and input current range 10 nA to 1 mA
  • Applications: Photodiode monitoring, precision I/V conversion, optical amps

OPA380 Price: (1 ku) $1.95
OPA2380 Price: (1 ku) $2.95

High-Gain, Adjustable Range, Wideband, Voltage-Controlled Amplifier: The VCA810 is a DC-coupled, wideband, continuously variable, voltage-controlled gain amplifier.

  • Provides a differential input to single-ended output conversion with a high-impedance gain control input used to vary the gain over a -40 dB to +40 dB range linear in dB/V
  • Applications: Those applications where a pulse-oriented signal path requires a gain normalization prior to further processing
VCA810ID,IDR: Price (1 ku) $5.75

High-Gain, Adjustable Range, Wideband, Voltage-Controlled Amplifier: The VCA810 is a DC-coupled, wideband, continuously variable, voltage-controlled gain amplifier.
  • Provides a differential input to single-ended output conversion with a high-impedance gain control input used to vary the gain over a -40 dB to +40 dB range linear in dB/V
  • Applications: Those applications where a pulse-oriented signal path requires a gain normalization prior to further processing
VCA810ID,IDR: Price (1 ku) $5.75

 
DATA CONVERTERS

 16-Bit, 1.25 MSPS, Pseudo-Bipolar, Fully Differential Input Micro-Power Sampling ADC: The ADS8406 is a 16-bit, 1.25-MHz A/D converter with an internal 4.096-V reference.
  • 16-bit capacitor-based SAR A/D converter with inherent sample and hold
  • Offers a full 16-bit interface and an 8-bit option where data is read using two 8-bit read cycles
  • Applications: Data acquisition, medical instruments, and communications
ADS8406IPFBR,IPFBT: Price (1 ku) $14.70
ADS8406IBPFBR,IBPFBT: Price (1 ku) $24.50

24-Bit, 192-kHz, 118-dB, Stereo Audio A/D Converter: The PCM4202 is a high-performance, 2-channel audio ADC with 118-dB dynamic range and -105-dB THD+N.
  • Applications: Mixing consoles, effects processors, broadcast studio equipment, audio test equipment and high-end A/V receivers
PCM4202: Price (1 ku) $7.95

24-Bit A/D Converter with 2-Channel Differential Input Multiplexer: The ADS1222 is the industry's smallest 2-channel differential input ADC.
  • Offers high performance with convenient integrated functions while maintaining ease of use and low power
  • Applications: Hand-held instrumentation, portable medical equipment, industrial process control and weigh scales
ADS1222: Price (1 ku) $2.95

1.5-GHz to 2.5-GHz Analog Quadrature Demodulator: The TRF3702 is an ultralow-noise direct quadrature modulator capable of converting complex input signals from baseband or IF directly up to RF.
  • Combined output generated can feed the RF preamp at frequencies of up to 2.5 GHz
  • Applications: Base stations, portable wireless communications, wireless LAN and wireless transceivers
TRF3702: Price (1 ku) $5.35

Low-Power Stereo Audio DAC w/Headphone/Speaker Amp: The TLV320DAC26 is a high-performance audio DAC with 16/20/24/32-bit 97-dBA stereo playback at up to 53 ksps.
  • Microphone input includes built-in pre-amp with single-ended or fully-differential input capability for analog sidetone mixing
  • Applications: MP3 players, digital still cameras, and digital video camcorders
TLV320DAC26IRHB/RHBR: Price (1 ku) $2.95


CLOCKS

5-V to 3.3-V High-Performance Clock Buffer: The CDCVF310 is a high-performance, low-skew clock buffer that operates up to 200 MHz.
  • Low-cost solution for distributing 1 input clock to 10 output clocks
  • Applications: Telecommunications, data communications, wireless BTS, digital consumer, and medical equipment
CDCVF310: Price (1 ku) $2.05


ANALOG SWITCHES

1-Ω SPDT (Single-Pole Double-Throw) 5-V Analog Switch: The TS5A3159 handles both digital and analog signals with a low total harmonic distortion (0.01%) and low crosstalk (-65 dB), making it ideal for audio applications.
  • Ultra-low (1-Ω) ON-state resistance enables superior signal integrity resulting in excellent audio fidelity
  • Applications: Ideal for space-constrained portable applications including PDAs, cell phones, and other hand-held products where signals need to be multiplexed
TS5A3159: Price (1 ku) $0.59

  
VSIP DEVELOPMENT PLATFORM

The Video Security over Internet Protocol (VSIP) solution enables developers to build intelligent security cameras that take advantage of a digital IP network by leveraging the real-time performance and flexibility inherent in DSP technology. The VSIP Development Platform allows developers to:
  • Change compression standards
  • Add specific processing capabilities and develop different products on the same hardware platform
Video Security over Internet Protocol (VSIP) Development Platform


ANALOG TRAINING/SEMINARS

 Analog eLab Webcast: Quantifying Amp to ADC Interface Performance. This webcast will provide insight into how amplifier settling time, amplifier transient response to the ADC sample switch, and flywheel tuning for the minimum THD can be quantized with new test circuits. The live webcast will feature Lab bench demonstrations and very high resolution plots to provide a clear understanding of these new techniques and give insight into system operation.

www.ti.com/analogelab

Designing Portable Battery Systems for Optimal Performance and Run-Time Webinar. Join portable-power experts from Texas Instruments and Micro Power Electronics as they show you how to get more out of the entire life of your multi-cell battery pack. By calculating changes in impedance caused by battery age, temperature and cycle patterns, new technology can predict remaining run-time within 99% accuracy throughout the entire life of the battery pack. 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 the U.S., Asia, and Europe. Agenda can be downloaded here.


COMPANY-AUTHORED ARTICLES IN THE MEDIA CUSTOMER SUPPORT CONTACT INFORMATION
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