| New High-Performance Analog Showcase In this Issue: POWER MANAGEMENT High Efficiency (96%) Synchronous PWM Buck Controllers : The TPS40070 (source) and TPS40071 (source sink) controllers have an input range of 4.5 V to 28 V, typical output current of 2 A to 15 A, integrated predictive gate drive, and a programmable frequency of 150 kHz to 1 MHz.
TPS40071 : Price (1 ku): $1.35 30 A, 5-V Input Wide-Output Adjust (0.8 V to 3.6 V) Plug-in Power Module : The PTH05030W non-isolated DC/DC power module features Auto-Track Sequencing with efficiencies up to 94% and is Point-of-Load Alliance (POLA)-compatible, assuring interoperable second sources.
AMPLIFIERS & COMPARITORS Dual, High-Voltage (±5 V to ±15 V), Low Distortion (-78 dB THD), Current-Feedback Op Amp : The THS3092 and THS3096 (power-down) current-feedback amps offer 160 MHz bandwidth and 5700 V/?s slew rate, good distortion for heavy loads, high output current drive of ±250 mA and a wide power supply range for applications requiring large, linear output signals.
THS3096 : Price (1 ku): $6.00 Dual, Very Low Noise, High-Speed, 12-V CMOS Operational Amplifier : These low noise, high-speed, 12-V CMOS operational amplifiers are ideal for driving 16-bit A/D converters such as the ADS8342.
OPA2725 : Price (1 ku): $1.35 OPA726 : Price (1 ku): $0.90 OPA2726 : Price (1 ku): $1.35 Dual, Single-Supply CMOS Zero-Drift Operational Amplifiers : The OPA2734 (with shutdown) and the OPA2735 amplifiers, ideal for applications where stability over time and temperature is important, feature low quiescent current (750 µA max), low offset voltage of 5 µV (max), and 0.05 µV/°C offset drift.
OPA2734 : Price (1 ku): $2.00 OPA735 : Price (1 ku): $1.25 OPA2735 : Price (1 ku): $2.00 Digital Temperature Sensor with 2-Wire Interface : The TMP75/175 temperature sensors are a good fit for any thermally sensitive application.
TMP175 : Price (1 ku): $0.85 DATA CONVERTERS 24-bit A/D Converter with 8051, IDAC, and 4 k/8 k Flash : The MSC1200 is a 24-bit, no missing codes data conversion system solution offering an on-chip oscillator that allows standalone operation and a precision voltage reference with low 75 nV noise.
MSC1200Y3 : Price (1 ku): $6.45 16-/18-bit A/D Converters : The ADS8371 750 kSPS ADC includes a full 16-bit capacitor-based SAR ADC interface with inherent sample and hold or an 8-bit bus option using two read cycles. The ADS8381 is a 580 kSPS ADC that includes a full 18-bit capacitor-based SAR ADC interface with inherent sample and hold, a 16-bit option where data is read using two read cycles, or an 8-bit bus option using three read cycles
ADS8381 : Price (1 ku): $16.25 14-Bit 1.25/3 MSPS A/D Converters : The ADS7890 offers a 14-bit serial SPI or DSP-compatible interface and has a 1.25 MSPS ADC with 2.5-V internal reference; the ADS7891 has a 14-bit parallel interface with an additional byte mode that provides easy interface with 8-bit processors, and a 3 MSPS ADC with 2.5-V internal reference.
ADS7891 : Price (1 ku): $10.50 AUDIO PRODUCTS Six-Channel Digital Audio PWM Processor : The TAS5066 high-performance 97 dB dynamic range, all-digital audio amplifier offers 24-bit, high-performance volume control, a 4 th order noise shaper, auto-mute, and clip detection.
CLOCKS & TIMERS 1.8V Phase-Lock Loop Clock Driver for DDR2/SDRAM Applications : The CDCU877 zero delay buffer distributes one differential input to ten differential outputs and offers the lowest power consumption and skew (25 ps) in the industry.
ANALOG TRAINING/SEMINARS 2004 Power Supply Design Seminar : This one-day seminar is part of a series of analog technical seminars continuing the Unitrode tradition of a technical but highly practical presentation. This series will include eight topics with a blend of advanced power supply concepts, tutorial review of basic principles and hands-on application examples. For more information, visit: http://focus.ti.com/docs/training/catalog/events/event.jhtml?sku=SEM404003 2004 Portable Power Design Seminars: The TI 2004 Portable Power Design Seminars will consist of technical, highly practical presentations of portable power management design issues and considerations, design techniques, topologies, tools, and examples. The seminars, which will take place in Europe, the U.S., Asia, and Japan beginning in March, include topics written and presented by Texas Instruments applications engineers and training staff, tutorial review of both basic and advanced principles, and hands-on application examples. To learn more about the sessions or register for the conference, visit: http://focus.ti.com/docs/training/catalog/events/event.jhtml?sku=SEM403004&tfsection=Overview European High-Speed Analog Design & Solutions Seminar Series: A new design-orientated technical seminar created for high-speed amplifier and data converter design engineers. Topics cover techniques on evaluating issues in high-speed designs as well as the proper matching between amplifiers and data converters. The series begins in May across Europe. For detailed agenda and registration information visit: http://focus.ti.com/docs/training/catalog/events/event.jhtml?sku=SEM404004 2004 Precision Data Acquisition Application Seminar: This one-day seminar, offered in US and European locations, will focus on advanced precision data acquisition systems, precision low-level signal measurement systems, and high-resolution, high-channel count data acquisition systems. For each system example, the following will be discussed:
http://focus.ti.com/docs/training/catalog/events/event.jhtml?sku=SEM404002 MSP430 "430 Day" Worldwide : The MSP430, the world's lowest power MCU, features integrated high-performance analog and a modern 16-bit CPU. Register for a FREE "lunch and learn" session featuring live demos. Registered attendees will receive lunch and a free retro MSP430 watch along with discounts on select MSP430 Flash emulation tools. For more information, visit: http://focus.ti.com/docs/training/catalog/events/event.jhtml?sku=SEM104001 COMPANY-AUTHORED ARTICLES IN MEDIA Power and Amplifiers "New trends toward high-efficiency portable power and audio" by Patrick Heyer and Nicolas Holland, Electronic Products Wireless/Telecom Special, February 2004 http://www.electronicproducts.com/ShowPage.asp?SECTION=3700&PRIMID=&FileName=TEXAS.feb2004.html Interface "Equalization enhances RS-485 links" by Clark Kinnaird, EDN, February 19, 2004 http://www.reed-electronics.com/ednmag/article/CA379880?stt=000&pubdate=2/19/2004 Audio "On the Design of Higher-order Shelf Filters" (Part 1 of 3) by Rusty Allred, Planet Analog, February 18. 2004 http://www.planetanalog.com/features/showArticle.jhtml;jsessionid=HVFEMQJWKSABMQSNDBCSKHY?articleID=17701382 CUSTOMER SUPPORT CONTACT INFORMATION
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