| In this issue |
December 2008 |
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USB-Friendly, Li-Ion Battery Charger and Power-Path Management IC: The bq24072/3/4/5 are highly integrated charge and system power management devices for single-cell, Li-Ion applications. They integrate a 1.5-A AC power switch, 1.2-A charge FET, current sensor, reverse blocking protection and other battery management features.
- Input rating: 28V
- Input current limiting: 100mA or 500mA for USB, user-programmable for non-USB applications
- Applications: Mobile phones, smart phones, portable navigation devices, portable media players
bq24072 Price (1ku): $1.60
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PowerLAN™ Gateway Battery Management Controller with PowerPump Cell Balancing: The bq78PL114 master gateway battery controller is part of a complete Li-Ion control, monitoring and safety solution designed for large series cell strings. The PowerLAN system provides simultaneous, synchronized voltage and temperature measurements using one-ADC-per-cell technology.
- Manage up to 12 series cell battery systems
- SmartSafety features: prevention, diagnosis, failsafe
- Applications: Electronic mobility devices (e-Bike), portable medical equipment, test equipment, uninterruptible power supplies, hand-held tools
bq78PL114 Price (1ku): $4.50
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3.5-V to 60-V, 1.5-A Step-Down SWIFT™ Converter with Eco-Mode™
TPS54160 Price (1ku): $2.40 |
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3-A, Dual, Non-Synchronous Buck Converters with High-Side MOSFET
TPS55383 Price (1ku): $2.65 |
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Low-Power, Battery-Backup IC with Integrated Boost Converter
TPS65510 Price (1ku): $1.50 |
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150mA, 1-µA IQ, Single, Fixed-Output LDO
TPS78225 Price (1ku): $0.43 |
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500-mA, Single-Channel, Constant-Current Sink LED Driver
TL4242 Price (1ku): $1.13 |
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16-Channel, I2C Bus, Constant-Current LED Sink Driver
TLC59116 Price (1ku): $1.37 |
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12-Bit, 2-MSPS, Dual 3+3 or 2+2 Channel ADC: At only 11mW/MSPS, the dual ADS7865 has the lowest power dissipation per MSPS on the market. It features four fully differential input channels grouped into two pairs for high-speed, simultaneous signal acquisition.
- Fast, parallel interface and control inputs minimize software overhead
- SNR: 70dB; THD: -74dB
- Applications: Motor control, multi-axis positioning systems, three-phase power control, high-speed control loops
ADS7865 Price (1ku): $4.90
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Low-Power, 12-Bit, 210-MSPS ADC: The ADS6128 is a high-performance ADC with selectable parallel DDR LVDS or CMOS outputs. Consuming only 628mW of power in LVDS mode at full sample rate, the ADS6128 is one of the lowest power, single-channel ADCs in its speed grade.
- 1- to 6-dB gain control to improve SFDR performance at lower full-scale input ranges
- SNR: 70.1dBFS at 100MHz IF; SFDR: 81dBc at 100MHz IF
- Applications: Wireless communications, portable test equipment, radar and guidance systems, high-speed digitizers
ADS6128 Price (1ku): $45.00
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24-Bit, 192-kHz, 8-Channel Audio DAC with Differential Output
PCM1690 Price (1ku): $2.60 |
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Lowest-Power, Zero-Drift, Precision Instrumentation Amp: The INA333 offers the lowest power, lowest input bias current and best overall voltage offset/drift combination of any single-supply instrumentation amp. Designed with TI's Zero-Drift technology that uses a proprietary switched-capacitor notch filter to eliminate chopping noise, the INA133 achieves industry-leading, power-to-noise ratio with only 50nV/vHz input voltage noise.
- Low noise: 50nV/√Hz, G ≥ 100
- Low offset and drift: 25µV (max) and 0.1 µV/°C, G ≥ 100
- Applications: Portable medical, ECG amplifiers, portable instrumentation, data acquisition, bridge amplifiers, weigh scales
INA333 Price (1ku): $1.80
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Very Low-Power, Stereo, Audio CODEC with miniDSP: The TLV320AIC3254 is a flexible, low-power, low-voltage stereo audio codec with programmable inputs and outputs, PowerTune™ capabilities, fully programmable miniDSP and flexible digital interfaces. The miniDSP can run advanced audio processing algorithms, such as echo and noise cancellation, while offloading the host processor.
- SNR: 100dB (DAC); 93dB (ADC)
- Digital microphone support
- Applications: Cell phones, portable navigation devices, portable media players, consumer audio equipment
TLV320AIC3254 Price (1ku): $5.45
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Link Replicator for Fibre Channel, Gigabit Ethernet HDTV and SATA: The SN65LVCP15 is ideal for communications and storage networking applications that need to provide port replication/ port bypass functionality for redundancy, open slot bypass, or test-point addition.
- Compatible with VSC7132-01
- Speeds up to 1.5Gbps
- Applications: Test equipment, gigabit Ethernet and fibre channel switches/repeaters
SN65LVCP15 Price (1ku): $4.00
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Low-Voltage, High-Speed, Quad Differential Line Driver with ±15kV IEC ESD Protection: The AM26LV31E RS-422 differential driver offers robust system-level ESD protection for harsh industrial environments and improved output noise margin. Operating at up to 32MHz, the device provides quick and reliable transfers with very little propagation delay or skew.
- 15kV IEC-61000-4-2 (air gap); 8kV IEC-61000-4-2 (contact)
- Applications: e-Meters, digital motor control, industrial process control, industrial automation
AM26LV31E Price (1ku): $0.90
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Wideband, Multi-Carrier Receiver: The AFE8405 multi-channel communications signal processor provides analog-to-digital conversion and digital downconversion optimized for cell base transceiver systems. Supporting UMTS, CDMA-1X, and TD-SCDMA air-interface cell standards, the device provides up to 8 UMTS digital downconverter channels (DDC), 16 CDMA DDCs or 16 TD-SCDMA DDCs.
- DDC channels are independent and operate simultaneously
- Applications: Multi-carrier digital receivers, wideband receivers, software radios, wireless local loop, intelligent antennas
AFE8405 Price (1ku): $41.10
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Dual 1:5 High-Speed LVPECL Fan Out Buffer: The CDCLVP215 clock driver distributes 2× one differential clock pair of LVPECL, (CLKA, CLKB) to 5 pairs of differential LVPECL clock (QA0..QA4, QB0..QB4) outputs with minimum skew for clock distribution up to 3500MHz. The CDCLVP215 specifies low output-to-output skew and has very small additive jitter (<800fs).
- Drives 50-Ω transmission lines
- 2× 5 differential LVPECL clock outputs with frequency range from DC to 3.5 GHz
- Applications: Wireless BTS (pico cell, WiMax, macro base band), data communications, medical, test equipment
CDCLVP215 Price (1ku): $6.40
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TS12A44513/14/15 - Quad, 6.5-W SPST Analog Switches: The TS12A44513 is a quad, single-pole, single-throw (SPST) analog switch offering low ON-state resistance with excellent channel-to-channel ON-state resistance matching and a break-before-make feature to prevent signal distortion during the transferring of a signal from one path to another. The devices have excellent THD performance and consume very little power.
- TS12A44513: Two switches in the Normally Open (NO) state and two switches in the Normally Closed (NC) state
- TS12A44514: Four switches in the normally open state
- TS12A44515: Four switches in the normally closed state
- Applications: Portable instrumentation, battery-powered equipment, audio and video signal routing, communication circuits, portable media players, MP3 players
TS12A44513,
TS12A44514,
TS12A44515 Price (1ku): $0.58
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ESD-Protected, High-Speed USB 2.0 (480-Mpbs) 1:2 Multiplexer/Demultiplexer Switch: The TS3USB221A is a high-bandwidth switch specially designed for the switching of high-speed USB 2.0 signals in handset and consumer applications, such as cell phones, digital cameras, and notebooks with hubs or controllers with limited USB I/Os. The wide bandwidth (900 MHz) of this switch allows signals to pass with minimum edge and phase distortion.
- Multiplexes differential outputs from a USB host device to one of two corresponding outputs
- Switch is bidirectional and offers little or no attenuation of the high-speed signals at the outputs
- Applications: PDAs, cell phones
TS3USB221A Price (1ku): $0.60
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New System Block Diagrams
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Analog eLab™ Videocast: This series demonstrates the power supply design process, from concept to testing real hardware.
- Video 1 - Design Techniques for the Avnet Spartan-3A Evaluation Board
- Video 2 - Xilinx Power Estimator Demonstration
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| COMPANY-AUTHORED ARTICLES IN THE MEDIA |
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"SCB (Part 17): Hysteresis--Understanding more about the analog voltage comparator," Bill Klein. PlanetAnalog, July 2008
"SCB (Part 18): The op amp as integrator," Bill Klein. PlanetAnalog, July 2008
"BAKER'S BEST: Muxing Around with the Delta-Sigma Converter," Bonnie Baker. EDN, July 2008
"BAKER'S BEST: Photo-sensing circuits: The eyes of the electronic world are watching," Bonnie Baker. EDN, August 2008
"BAKER'S BEST: Transimpedance Amplifier Stability is Key," Bonnie Baker. EDN, September 2008
"Medical Imaging: Decreasing Footprint, Increasing Performance," Chuck Sanna. Medical Design Technology, September 2008
"Parallel Universe of Negative Input Voltages," John Betten and Brian King. Power Electronic Technology, July 2008
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