| New High-Performance Analog Showcase In this Issue: POWER MANAGEMENT Triple Power-Distribution & USB Power Switch: The TPS2053B incorporates three 70-mΩ, N-channel MOSFETs for power-distribution systems that require multiple power switches in a single package.
Single Current-Limited Power Distribution and USB Power Switch: The TPS2051/54 feature 70-mW high-side MOSFETs, 500-mA continuous current, and thermal and short-circuit protection.
TPS2054bd: Price (1 ku) $1.00 Dual Current-Limited Power Distribution and USB Power Switch: The TPS2042BD features 70-mW high-side MOSFETs, 500-mA continuous current, and thermal and short-circuit protection.
Autoswitching Power Mux: The TPS211xA family of power multiplexers enables seamless transition between two power supplies, such as a battery and a wall adapter, each operating at 2.8-5.5 V and delivering up to 1 A.
15-A/10-A/6-A, 5-V/12-V Input Bus Termination Power Module for DDR Memory: This series of non-isolated power modules support DDR or QDR I/II memory termination. PTH12010Y/PTH05010Y (15-A): Price (1 ku) $13.95 PTH12060Y/PTH05060Y (10-A): Price (1 ku) $11.50 PTH12050Y/PTH05050Y (6-A): Price (1 ku) $9.95 Dual-Channel Synchronous, Step-Down PWM Controller: The TPS5124 has high efficiency and an adjustable voltage output down to 0.9 V.
3-A Source/Sink DDR Terminator Regulator: The TPS51100, designed for low-cost/low-external component count systems where space is at a premium, requires only 2 x 10-µF ceramic output capacitance.
Battery Back-up Supervisor for Dual SRAM Banks: The bq2205 supervisor is a simple solution for CPU reset and nonvolatile control for dual SRAM banks.
1-Kbit Battery Pack Identification Memory: The bq2022 simple, low-cost, nonvolatile ID for battery packs is a 1-kbit serial EPROM containing a factory programmed unique 48-bit identification number, 8-bit CRC generation, and an 8-bit family code.
AMPLIFIERS & COMPARATORS Very Low Power, High-Speed, Rail-to-Rail I/O Amplifier: The THS4281 offers a very low quiescent current of 750 µA (2.25 mW @ 3 V, 3.75 mW @ 5 V), 90 MHz GBW, and rail-to-rail I/O.
Open-Drain Output Comparator with Voltage Reference: The TLV301x nanopower, 1.8-V, SOT23 push-pull comparator with voltage reference features a fast 7µs response time and < 1.2µA (max.) nanopower capability, allowing operation from 1.8 V to 5.5 V.
TLV3012: Price (1 ku) $0.75 INTERFACE 155 Mbps to 2.5 Gbps Limiting Amplifier: The ONET25xx offers low power consumption of 40 mA Icc max (ONET2501) and 28 mA Icc max (ONET2511PA).
ONET2511: Price (1 ku) $4.40 155 Mbps to 3.3 Gbps Limiting Amplifier: The ONET3301 offers low power consumption of 106 mW and 40 mA Icc (max).
MSP430 Energy Metering Microcontroller with Embedded Signal Processing: The MSP430FE42x family features ultra-low power of 400 µA @1 MHz, 3.0 V in active mode.
MSP430FE425: Price (1 ku) $5.45 MSP430FE427: Price (1 ku) $5.95 AUDIO PRODUCTS High-end 24-bit, 192-kHz, 4-channel Audio DAC: The PCM4104 is a high-performance, 4-channel DAC designed for use in professional audio applications.
CLOCKS & TIMERS 2.4 GHz PLL Synthesizer: The TRF3750 PLL is designed for use in wireless BTS to provide clocking to mixers and IQ modulators. TRF3750IPW,IPWR: Price (1 ku): $2.70 1.8-V Phase-Lock Loop Clock Driver for DDR2 SDRAM Applications: The CDCU877 is a high-performance, low-jitter, low-skew, zero-delay buffer that distributes a differential clock input pair to ten differential pairs of clock outputs and to one differential pair of feedback clock outputs.
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 and to register, 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 and to 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 include 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 COMPANY-AUTHORED ARTICLES IN MEDIA Power: ”IEEE 1625 Helps Promote Safety and Reliability” in Power Electronics Technology in April 1, 2004 “Dave’s two cents on booting up and shutting down.” in Portable Power in April 2004. Column by Dave Freeman Amplifiers: “Use Wideband Op Amps in Single-Supply Applications” by Jim Karki on April 12, 2004 in Electronic Design CUSTOMER SUPPORT CONTACT INFORMATION
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