To subscribe to the TI Analog Connection eNewsletter, please click here. May 2011
In this issue   Featured Video

Data Converters
Power Management
Interface
Tools
Applications
New Literature and Videos
Training and Seminars
Company-Authored Articles in the Media
Customer Support Contact Information

Featured video
Achieving Cross-Wire Immunity with TI's Sympol™ Technology

Featured Block Diagram

Featured Block Diagram
HVAC – Heating, Ventilating, and Air Conditioning


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DATA CONVERTERS

4-Channel, 16-Bit, 1.25-GSPS DAC: The DAC3484 is 25% faster than other 4-channel DACs in its class while consuming just 250-mW of power per channel – 65% better than the closest alternative. A 9mm x 9mm, 88-pin multi-row package is 40% smaller than alternative quad DAC solutions while also cutting in half the total I/O count.
Resources: Data sheet, evaluation module

  • 2x to 16x digital interpolation filters with over 90dB of stop-band attenuation simplify the data interface and reconstruction filters
  • High-performance, low-jitter clock multiplier simplifies clocking of the device without significant impact on the dynamic range
  • Applications: Cell base stations, diversity transmit, wideband communications

DAC3484: Price (1ku): Preview status; samples only

 

14-Bit, 125-MSPS Low-Power ADC: The ADS412x/4x ADCs use innovative design techniques to achieve high dynamic performance while consuming extremely low power (153mW at 125MSPS). The devices are well-suited for multi-carrier, wide bandwidth communications applications.
Resources: Data sheet, block diagram, evaluation module, ADS414x, ADS412x, ADS58B1x, IBIS model, anti-aliasing calculation tool for A/D converters

  • 72.2-dBFS SNR and 81.5-dBc SFDR at 170-MHz IF
  • 1.8-V analog/digital supplies
  • Applications:  Software-defined radio (SDR), high-speed data acquisition and generation, wireless repeater

ADS4145: Price (1ku): $36.90

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POWER MANAGEMENT

Smallest Integrated Wireless Power Supply Receiver, Qi (WPC) Compliant: The bq51013 makes it possible to easily integrate wireless charging into portable electronics. Compliance with the Qi v1.0 communication protocol (Wireless Power Consortium) assures interoperability between various charging pads and portable electronics. Together with the bq500110 transmitter controller, the bq51013 enables a complete contact-less power transfer system.
Resources: Data sheet, evaluation module, application note

  • Full-bridge synchronous rectification, voltage conditioning and wireless power control in a single device
  • Built in protection against voltage, current and temperature fault conditions
  • 1.9-mm x 3-mm WCSP package allows for easy integration with minimal size impact
  • Applications: WPC-compliant receivers, cell phones, smart phones, headsets, digital cameras, portable media players, hand-held devices

bq51013: Price (1ku): $3.50 - $4.05

 

4.5-V to 60-V Wide-Input Synchronous PWM Buck Controller Withstands 62-V Spikes: Optimized for high power-density, high-reliability DC/DC converter applications, the TPS40170 implements voltage-mode control with input-voltage feed-forward compensation that enables instant response to input voltage change. With line transients more than 2x faster than typical automotive specs and continuous operation up to 60V, the device can meet the line transient requirements of the most demanding applications while maintaining the precise regulation.
Resources: Data sheet, block diagram, evaluation module, application note, TPS40170 PSpice transient model, SwitcherPro™ switching power supply design tool

  • Switching frequency programmable from 100kHz to 600kHz
  • Covers 48-V, 36-V, 24-V, 12-V rails
  • Applications:  Point-of-load modules and converters, merchant power, automotive, infotainment, load dump, automated test equipment, home audio, signage

TPS40170: Price (1ku): $2.30

 

Fully Integrated, Single-Chip, 2-, 3-, 4-, and 5-Series Super Capacitor Manager: The bq33100 measures and maintains an accurate record of available capacitance, state-of-health, voltage, current, temperature and other critical parameters in super capacitors, and reports the information to the system host controller over a 2-wire SMBus 1.
Resources: Data sheet, evaluation module

  • Can be used with up to 9 series capacitors without individual integrated
    capacitor monitoring and balancing
  • Small footprint of  7.8mm x 6.4mm in a compact, 24-pin TSSOP package
  • Applications: Battery backup replacement, cache controllers, RAID systems, server blade cards, active capacitor voltage balancing, UPS, medical and test equipment, portable instruments

bq33100: Price (1ku): $4.20 - $4.65

 

200-mA, High PSRR Low Iq LDO in Ultra-Small SON4 Package: Designed for power-sensitive applications, the TLV707xx series low quiescent current devices feature excellent line and load transient performance. With a typical accuracy of 0.5%, all versions have thermal shutdown and overcurrent protection for safety.
Resources: Data sheet, block diagram, evaluation module, PSpice transient model

  • Low dropout performance: 45mV @ 30-mA load; 220mV @ 150-mA load typical
  • Stable with an effective output capacitance of only 0.1µF
  • Applications: Handsets, smartphones, PDAs, MP3 players, remote controls, ZigBee® networks, IP phone and access points, set-top boxes

TLV707285: Price (1ku): $0.22

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INTERFACE

Isolated 3-V RS-485 Transceiver with Integrated Transformer Driver: The ISO35T isolated differential line transceiver features integrated oscillator outputs that provide the primary voltage for an isolation transformer. The device is a full-duplex differential line transceiver for RS-485 and RS-422 applications that can easily be configured for half-duplex operation.
Resources: Data sheet, evaluation module, small evaluation module

  • Ideal for long transmission lines since the ground loop is broken to allow for a much larger common-mode voltage range
  • Silicon integrated SiO2 insulator
  • Applications: Energy meter networks, power inverter, industrial automation, building automation networks, motor control, HVAC

ISO35T: Price (1ku): $3.60

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TOOLS

TINA-TI™ 9.1, SPICE-Based Analog Design and Simulation Tool, Now Faster and Available in 5 Languages: TINA-TI 9.1 offers a 5x speed increases over version 7.0, allowing engineers to design, test and troubleshoot a broad variety of basic and advanced analog circuits faster. In addition, TINA-TI 9.1 now supports SPICE models from any source.

  • Available in English, simplified and traditional Chinese, Japanese and Russian
  • Includes over 565 part models, with more being added
  • Applications: Industrial and scientific equipment, data acquisition, control systems, audio, consumer equipment, power supplies, power conversion

TINA-TI 9.1: Price (1ku): Free

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APPLICATIONS
•  Digital Signage

•  Flow Meter

•  Glass Break Detector

•  Hydraulic Valve
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NEW LITERATURE AND VIDEOS
Guides:
NexFET™ and Power Block for Intel® Embedded Computing Platforms
Point-of-Load (POL) Power Solutions for Industrial Designs
Power Management for Altera® FPGAs
I²C Guide
Power Management Guide 2011 – Now with Selection Table Device Links!
Analog Applications Journal:
1Q 2011 Complete Issue
Articles:
The IBIS model, Part 2: Determining the total quality of an IBIS model
An introduction to the Wireless Power Consortium standard and TI's compliant solutions
Fine tuning TI's Impedance Track™ battery fuel gauge with LiFePO4 cells in shallow-discharge applications
Designing an isolated I²C Bus interface by using digital isolators
Application Notes:
TLV320AIC32x4 Power Supply Sequencing
AIC31xx/DAC31xx Devices and EMI Filtering on Speaker Outputs
Thermal Noise Analysis in ECG Applications
Powering Up the TSC2003 Correctly
Temperature Measurement with the TSC2020
Achieving the Successful Learning Cycle
Current Savings in CC254x Using the TPS62730
TPIC6C596 Input Interface Routing
Videos:
The TPL0102 TI's Newest Digital Potentiometer
Power Solutions for RS485 Systems
Getting Started with the bqTESLA™ Wireless Power Kit
AFE031 – Integrated Analog Front End for Power Line Communications
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TRAINING AND SEMINARS
Smarter Grid Solutions for Grid Infrastructure, Utility Meters, and Home Automation Systems: Presented by Mouser Electronics and sponsored by TI, this session addresses design and development solutions across the smart grid applications spectrum at every stage of the design process. From designing with the right devices and software to using the right tools and systems support, learn more about state-of-the-art systems design. 12 p.m. to 1 p.m. EDT, June 22.
Register here.

On-Demand Industrial Automation Virtual Conference: An online, on-demand industrial automation conference features 10 webinars and several industrial demo videos. Webinar topics include Industrial Communications (ICSS PRU, robust analog interface devices), Motor Control (analog motor control, embedded processors for motor control), PLC I/O Modules, Human-Machine Interfaces, and Industrial Sensors. Register here.

TI's Technical Support Community Tops 50,000 Members: The TI E2E™ Community brings together 50,000+ engineers and TI experts from around the globe. The online community features technical support forums, blogs, and product videos. Join the community.

Video: What is E2E all about?

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COMPANY-AUTHORED ARTICLES IN THE MEDIA
POWER TIP #31: Pick the Right Resistance Ratio of Synchronous Buck MOSFETs,” by Robert Kollman. Power Management DesignLine, January.
Tools to Shrink Your Design Cycle Times,” by Bonnie Baker. ECN, January 2011.
BAKER'S BEST: Remote Photo Sensing,” by Bonnie Baker. EDN, January 2011.
ENOB Isn't Always the Best Figure of Merit,” by Rick Downs. Electronic Design, January 2011.
SIGNAL CHAIN BASICS Part 49: Increasing Battery Life with Class-G Audio Amplifiers,” by ShreHarsha Rao. Planet Analog, January 2011.
Microconverter in Solar Photovoltaic Systems for Residential Applications: A Cost-to-Benefit Comparison,” by Dave Freeman and Nagarajan Sridhar. Electronic Products, January 2011.
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CUSTOMER SUPPORT CONTACT INFORMATION
Visit TI's E2E™ Community and interact with your peer engineers, TI engineers, and other experts in order to ask questions, share knowledge, explore ideas, and help solve problems.
Product Information Centers
 • Americas
 • Europe, Africa, Middle East
 • Asia/Pacific
 • Japan
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