Texas Instruments

New High-Performance Analog Showcase
from Texas Instruments
March 2005

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In this Issue:
Power Management
Amplifiers & Linear
Data Converters
Analog Switches
Creating IP Videophone Systems
Analog Training/Seminars
Company-Authored Articles in the Media
Customer Support Contact Information

POWER MANAGEMENT

 Digital Power: Flexibility & 150-ps PWM Resolution: Combining expertise in analog power management and DSP, the revolutionary new family of Fusion Digital Power™ products from TI provides solutions for a broad range of applications. From AC-line to point-of-load, covering uninterruptible power supplies, server, telecom, data-centric and VRM applications, TI’s Fusion Digital Power ICs provide cost-effective solutions with greater levels of performance, reliability and flexibility than today’s pure analog designs.
www.ti.com/digitalpower

 Single-Cell Li-Ion USB/AC Charge and Power Management IC: The bq24030 is a highly integrated charge and system power management device for single-cell Li-Ion applications featuring a 2-A AC power switch, 1.5-A charge FET, current sensor, reverse blocking protection, thermal regulation and other battery management features.
  • Can power the system while independently charging the battery
  • Selectable 100-mA and 500-mA charge rate from USB
  • Applications: Smartphones, PDAs, MP3 players, digital cameras
bq24030: $2.30 (1-ku price)

Single-Cell Li-Ion USB/AC Charge and Management IC: The bq24035 highly-integrated charge and system power management IC features a 2-A AC power switch, 1.5-A charge FET, current sensor, reverse blocking protection, and thermal regulation.
  • Can simultaneously power the system and charge the battery from the AC adapter or the USB port
  • Selectable 100-mA and 500-mA max input current regulation limits
  • Applications: Smartphones, PDAs, MP3 players, digital cameras
bq24035: $2.30 (1-ku price)

New Integrated Charge Management IC for Single Cell Li-ion: The bq25010 is a linear USB/AC charger for single cell Li-ion batteries with a highly efficient, low-power DC/DC converter.
  • Output voltage adjustable from 0.7 V to 4.2 V; delivers up to 150 mA of load current
  • 500-mA charger with AC/USB dual inputs; 150-mA DC/DC converter
  • Applications: Battery-powered, handheld devices, Bluetooth™ headsets and accessories
bq25010: $2.20 (1-ku price)

Dual, 250-mA, Ultra-low Noise, High PSRR, RF LDOs: The TPS712xx is a family of dual-output, LDO voltage regulators designed for noise-sensitive and RF applications.
  • High PSRR: 65 dB at 10 kHz
  • Ultra-low Noise: 32 µVrms
  • Fast Start-up Time: 60 µs
  • Applications: Cell phones, wireless applications, digital cameras/recorders
TPS712xx: $0.80 (1-ku price)

200-mA Iq, Ultra-low Noise, High PSRR, RF LDO: The TPS799xx family of RF LDOs features excellent AC performance with very low ground current, 66 dB at 1 kHz high PSRR, 29.5 µVrms, ultra-low noise and 2% accuracy over load/line/temperature.
  • Input voltage range: 2.7 V to 6.5 V
  • Fast Start-up Time: 45 µs
  • Applications: Cell phones, PDAs, wireless LAN, Bluetooth™
TPS799xx: $0.35 (1-ku price)

85-W Dual-Output Isolated DC/DC Converter: Operating from a 48-V input (36-V to 75-V range), the PTB48600A isolated converter delivers up to 85 W of total power in a balanced-load configuration.
  • Complementary ±5V/8.5A output for a combined output total of 17 A
  • 36 V to 75 V input voltage range
  • Applications: xDSL telecom, general-purpose industrial
PTB48600: $42.00 (1-ku price)

Wide Input, 2.25-A Non-Isolated DC/DC Module: Occupying only 0.3 in2 of board space, the PTH08080W non-isolated module accepts an input from 4.5 V to 18 V and delivers a wide-range adjustable output from 0.9 V to 5.5 V at 2.25A.
  • 92% efficiency (3.3 V)
  • Applications: Industrial test and measurement, instrumentation, distributed power architecture
PTH08080: $4.30 (1-ku price)

5-VIN/18-A Vertical SIP Point-of-Load Module: The PTV05020W delivers up to 18 A of total output current in a compact single-in-line package (SIP).
  • Input voltage range: 4.5 V to 5.5 V
  • Output voltage range: 0.8 V to 3.6 V
  • Up to 18 A of output current
  • Applications: Distributed power, medical, test and measurement
PTV05020WAH: $11.60 (1-ku price)

Single PC Card, Serial Interface, Power Switch: The TPS2220B power-interface switch provides an integrated power-management solution for single Card sockets, allowing controlled distribution of 3.3 V, 5 V and 12 V to one card slot. Current-limiting and thermal-protection features eliminate the need for fuses.
  • Fast current limit response time
  • Fully integrated Vcc and Vpp switching
  • Applications: Notebook/desktop computers, barcode scanners, PDAs, digital cameras
TPS2220B: $0.85 (1-ku price)

2.2-V to 4-V, 14-A Synchronous Buck Converter for Pre-biased Loads: The TPS54073 2.2-V to 4-V input DC/DC converter with integrated FETs steps down the voltage as low as 0.9 V and features an internal circuit that disables the current sinking during start-up.
  • Delivers up to 14 A output current at full temp and supports 18 A peak output current
  • Separate low-voltage power bus
  • Applications: Low-voltage, high-density distributed power systems, broadband, power PCs
TPS54073: $5.30 (1-ku price)

AMPLIFIERS & LINEAR

6-Channel Digital Audio PWM Processor: The TAS5086 6-channel digital audio amp PWM processor simultaneously converts PCM audio channels to PWM outputs, interfacing seamlessly with most audio DSPs and MPEG decoders.
  • Accepts a wide range of input data and clock formats
  • THD+N: 0.05%; dynamic range: 105 dB
  • Applications: Mini/micro component systems, DVD receivers, TVs
  • Applications: Welding equipment, notebooks, cell phones, telecom, automotive, power management, and battery chargers
TAS5086: $1.60 (1-ku price)

100-W Digital Amp Power Stage: Designed to drive 2 channels at 100-W per channel, the TAS5142 high-performance digital amp power stage is available in two thermally enhanced packages.
  • Accepts a stereo PWM 3.3 V input; controls the switching of the internal H-bridges
  • 2 x 100-W into 4 Ω (0.5% THD+N)
  • Applications: Micro/mini component systems, DVD receivers, home theater in a box
TAS5142: $3.30 (1-ku price)

125-W Digital Amp Power Stage: The TAS5152 high-performance digital amp power stage drives two channels at 125-W per channel.
  • Over-current protection, over-temperature and under-voltage protection safeguard against output shorts and other potentially damaging fault conditions
  • 2 x 125-W into 4 Ω (<0.5% THD+N)
  • Applications: Mini/micro audio systems, DVD receiver, home theater
TAS5152: $4.30 (1-ku price)

Low-Voltage, Low-Power RRO Op Amps: The LPV321/358/324 amplifier family features low power combined with low-voltage and rail-to-rail outputs, making these devices appropriate for long-life, battery-operated applications.
  • 2.7-V and 5-V specifications
  • -40ºC to 125ºC at 5 V
  • Applications: PC touchpad, smoke alarms, hotel locks
LPV324 /321 /358: $0.36-$0.45 (1-ku price)
 
DATA CONVERTERS

 ADS5423: 5-V Bipolar, 14-bit, 80-MSPS High-Performance ADC: The ADS5423 is a complete, wideband, bipolar ADC that operates from a 5-V supply, with 3.3-V CMOS-compatible digital outputs and 2's complement format to ensure seamless interfacing with common logic. Improved dynamic performance allows more margin for performance-demanding systems.
  • High SNR: 74 dBc at 50 MHz IF; High SFDR: 94 dBc at 50 MHz IF
  • Total power dissipation: 1.85 W
  • Applications: Wireless communications, test and measurement, video and imaging
ADS5423: $40.00 (1-ku price)


12-bit, 80-MSPS ADC: The ADS5522 provides a complete converter solution, including a high-bandwidth linear sample-and-hold stage and an internal reference.
  • Parallel CMOS-compatible output ensures a seamless interface with common logic
  • High SNR: 70.1 dBFS at 100 MHz fIN
  • Applications: High-speed, wireless and communication instrumentation, video and imaging, medical, military
ADS5522: $16.70 (1-ku price)

3.3-V, Dual-Channel, 14-Bit 65-MSPS ADC: The new 14-bit, 65 MSPS dual channel ADS5553 provides a complete converter solution, including a high-bandwidth linear sample-and-hold stage and an internal reference that simplifies system design requirements.
  • SNR: 74 dBFS at 70 MHz fIN
  • Applications: Wireless communications, video and imaging, medical, military
ADS5553: $30.00 (1-ku price)

Video Decoder with 3-D Comb Filter: The TVP5160 is a high-performance digital video decoder (NTSC/PAL/SECAM) that digitizes and decodes all popular baseband analog video formats into digital component video.
  • 3D comb filter provides a crisper image and reduces temporal noise on CVBS, S-video or component inputs
  • Applications: Digital TV, DVD recorders, set-top boxes
TVP5160PNP: $12.00 (1-ku price)
 
ANALOG SWITCHES

Quad SPDT High-Bandwidth Video Switch with Low and Flat On-State Resistance: The TS3V340 provides superior low differential gain and phase, making this switch ideal for high-performance composite and RGB video applications.
  • Maintains very flat low/flat Ron, essential for minimizing signal degradation
  • Low input/output capacitance, wide bandwidth, and low crosstalk allow for the best signal quality
  • Applications: TV’s (CRT, LCD, HDTV), DVD players, and set-top boxes
TS3V340: $1.61 (1-ku price)

10-Ω SPDT Analog Switch: Designed to handle analog signals with a low THD of only 0.01%, low off isolation of -64 dB, and low cross talk of -68 dB, the TS5A2053 is ideal for signal routing and isolation in space-constrained end equipment.
  • Low ON-state resistance: 7.5 Ω typ
  • ON-state resistance flatness: 1.7 Ω typ
  • Applications: Cell phones, portable audio/video equipment, and battery-powered equipment
TS5A2053: $0.52 (1-ku price)

0.9-Ω SPST Analog Switches: The TS5A3166/7 sub 1-Ω complementary SPST analog switches (TS5A3166 normally open, TS5A3167 normally closed) deliver low 0.005% harmonic distortion, while maintaining 200 MHz bandwidth at low power consumption.
  • Single supply: 1.65 V to 5.5 V
  • Control inputs 5.5-V tolerant
  • Applications: Cell phones, PDAs, portable instrumentation
TS5A3166 /7: $0.54 (1-ku price)

Single-Channel, 8-Ω SPST Analog Switches: The TS5A4594/5/6/7 are SPST analog switches, operating from 2-V to 5.5-V, that offer excellent THD and high bandwidth.
  • Low ON-state resistance of 8-?; ON-state resistance flatness of 1.5-Ω
  • Control inputs: 5-V tolerant
  • Applications: Sample/hold circuit, battery-powered equipment, audio/video signal routing
TS5A4594 /5 /6 /7: $0.66 (1-ku price)


CREATING IP VIDEOPHONE SYSTEMS

TI’s new Videophone Development Platform (VDP) improves quality and integration and lowers system cost, allowing OEMs to bring consumer broadband videophones to market faster with a complete development platform for designing point-to-point IP-based videophone systems. Download the white paper for an overview of market trends driving the demand for video telephony as well as the components and system considerations for building IP videophones.

ANALOG TRAINING/SEMINARS

Free Analog eLab: Power Concerns for Large Computational Devices: FPGAs and DSPs: Wednesday, April 13, 2005, 11 A.M. CST: Advanced Field Programmable Gate Arrays and Digital Signal Processors continue to push the limit of computational performance and speed. To fully exploit their true potential within a system they must be properly powered. Lab sessions will illustrate performance of tested and approved power management circuits for these advanced devices.
www.ti.com/analogelab

European Power Supply Design Seminar: All-new topics for 2005. Presentations combine an array of advanced new power supply concepts, basic design principles, and real-world application examples. Register before April 3 and receive a free
mobile phone dynamo charger. For registration and information, visit:
www.ti.com/power2005

COMPANY AUTHORED ARTICLES IN THE MEDIA

"Battery topology holds key to efficiency," by Dave Heacock, EE Times, 2/28/05.

" Signal conditioning compensates for bridge sensor errors," by Art Kay, Planet Analog, 2/7/05.

"Simple Circuit Provides Power Sequencing," by John Better, EDN Japan, February, 2005.

"Analog Technology Trends in Test and Measurement and Medical Imaging," by Jim Karki, Electronic Engineering & Product World China, February, 2005.

"Optimizing MOSFET Gate Drive Voltage 2," by Steve Mappus, Electronic Science Korea, February, 2005.

"Bias Power Supply Solutions. Powering Modern Liquid Crystal Displays," by Jeff Falin and Oliver Nachbaur, Power Systems Design Europe, January/February, 2005.


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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