To subscribe to the TI Analog Connection eNewsletter, please click here. February 2009
In this issue
TI Acquires CICLON Semiconductor
Power Management
Data Converters
Amplifiers
Interface
Audio
Standard Linear
Switches
MSP430
Applications
Training and Seminars
Company-Authored Articles in the Media
Customer Support Contact Information
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Evaluation of High-Speed ADCs Demo

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NEW ACQUISITION
TI Acquires CICLON Semiconductor: TI has acquired Bethlehem, PA-based CICLON Semiconductor, a designer of high-frequency, high-efficiency power MOSFETs. CICLON's energy-saving technology will help TI deliver high-density, high-frequency power solutions with double the operating frequency, a 20% smaller footprint, and greater than 90% efficiency. Applications for this technology include high-power computing and server systems.

CICLON and TI
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POWER MANAGEMENT
Single-Cell, Li-Ion Battery Fuel Gauge for Battery Pack Integration: The bq27541 is a highly accurate, standalone, single-cell Li-Ion and Li-Polymer battery capacity monitoring and reporting device designed for space-limited, portable applications. It uses patented Impedance Track™ technology to accurately predict battery capacity instantly under all conditions without learning or conditioning cycles.
  • HDQ or I²C communication
  • Reports accurate time-to-empty at both measured and host-requested load values
  • Reports available capacity compensated for discharge rate, temperature, and age
  • Applications: PDAs, MP3 players, multimedia players, digital still cameras, video cameras, handheld devices, chargers, external hard drives, headsets
bq27541 Price (1 ku): $1.85
 
10-V, Single-Output LDO, 80-mA, Adjustable (1.2 to 8.88V): The TPS714xx low-dropout voltage regulators offer high-input voltage, low-dropout voltage, low-power operation, and miniaturized packaging. Operating over an input range of 2.5V to 10V, the devices are stable with any capacitor (≥ 0.47µF).
  • Low dropout voltage: 670mV typ at 80mA of load current
  • Low quiescent current: 3.2µA typ
  • Applications: Ultra-low power microcontrollers, industrial/automotive, PDAs, portable battery-powered equipment
TPS71401 Price (1ku): $0.49
 
6-Channel Power Management Unit with Externally Adjustable VOUT: The PTS650250 combines 6 channels – 3 buck converters and 3 LDOs – in a small 5x5 mm QFN package. This device adjusts the output voltages by using external resistor dividers and features dynamic voltage scaling (DVS) at the core voltage, DCDC3.
  • 1.6-A, 97%-efficient step-down converter for system voltage (3.3V, 2.8V or adjustable)
  • 0.8-A, up to 95%-efficient step-down converter for memory voltage (1.8V, 2.5V or adjustable
  • Applications: Cell phones, Smartphones, GPS, OMAP™, Samsung ARM-based processors, digital still cameras, split-supply DSP and micropower solutions
TPS650250 Price (1ku): $2.95
 
8-Pin, High-Performance, Resonant Mode Controller: Designed for off-line AC/DC or DC/DC applications, the UCC25600 controller works in the LLC-resonant, half-bridge topology and operates with zero voltage switching (ZVS) to provide highly-efficient voltage conversion operation that eliminates nearly all switching losses.
  • Frequency modulation control
  • Programmable dead-time control with precision +50nSec set-point accuracy
  • Applications: Power supplies from 300W to 1kW+, AC/DC power supplies for digital TVs, embedded power supplies for consumer electronics, merchant AC/DC or DC/DC power supplies, gaming and general-purpose adapters, computer and LCD monitor power supplies
UCC25600 Price (1ku): $0.90
 
2-A, 28-V, 1-MHz Step-Down SWIFT™ DC/DC Converter with Eco-Mode™: The TPS54232 is a 3.5 V - to 28-V input, 2-A, non-synchronous buck DC/DC converter that integrates an 80mΩRds (on) high-side MOSFET. The device switches at 1000 kHz, allowing a smaller inductor to save board space. When the peak load current falls below 160mA, a pulse-skipping Eco-Mode™ feature is automatically activated to increase efficiency under light load conditions.
  • 1-MHz fixed switching frequency
  • Applications: Set-top boxes, CPE equipment, LCD displays, peripherals, battery chargers, industrial and car audio power supplies, 5-V, 12-V and 24-V distributed power systems
TPS54232 Price (1ku): $1.65
 
150-mA, 5-V Charge Pump in 2x2 SON
TPS60150 Price (1ku): $0.70
 
3-A, High-Voltage Boost Converter with Soft-Start and Programmable Switching Frequency
TPS61175 Price (1ku): $1.80
 
Integrated Power Management IC with 3 DC/DCs, 11 LDOs, Audio Codec, USB High-Speed Transceiver, Charger
TPS65950 Price (1ku): $10.20
 
4.5-V to 14-V Input Synchronous Buck Controller with 4-Bit VID Interface and Power Good
TPS40197 Price (1ku): $4.70
 
Adjustable, Current-Limited, Power-Distribution Switches
TPS2552 Price (1ku): $0.75
 
Single-Output LDO, 150-mA, Fixed (2.1V), Low Noise, High PSRR
TPS71721 Price (1ku): $0.60
 
Single-Output LDO, 1-A, Fixed (3.3V), Reverse Current Protection
TPS73730 Price (1ku): $0.75
 
Charger Front-End Protection IC with 30-V Max Vin and 10.5-V OVP
bq24313 Price (1ku): $0.55
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DATA CONVERTERS
16-Bit, 80-MSPS ADC with Buffered Analog Input: The ADS5481 is a high-performance, 16-bit, 80-MSPS ADC in a small 9x9 mm 64-pin QFN package. At that speed node, the ADS5481 offers the highest dynamic performance across the first two Nyquist zones.
  • 79.0 dBFS SNR, 97dBc SFDR @ 30MHz
  • 78.2 dBFS SNR, 88 dBc SFDR @ 100MHz
  • Applications: Wireless communication (baseband I/Q receivers, software-defined radio, multi-carrier GSM), test, measurement and instrumentation, radar and guidance systems
ADS5481 Price (1ku): $60.45
 
Triple 10-Bit, 180-MSPS Graphics and Video DAC: The THS8136 is a triple 10-bit, high-speed D/A converter optimized for use in graphics applications. Operating from 3.3-V analog and 1.8-V digital supplies, the device consists of three 10-bit D/A converters. A generic triple DAC mode makes it ideal for graphics applications.
  • 180-MSPS operation
  • Applications: Graphics and video generation, high-resolution image processing, generic triple D/A converter
THS8136 Price (1ku): $3.00
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AMPLIFIERS
1.8-V, 700-nA, Nanopower, Zero-Crossover, Rail-To-Rail I/O Op Amp: The OPA369 is an ultra-low-power, low-voltage op amp designed for battery-powered applications. Operating on a supply voltage as low as 1.8V, it has true rail-to-rail operation that makes it useful for a wide range of applications.
  • Zero crossover input: CMRR: 100dB (min)
  • Precision Vos: 750µV (max)
  • Applications: Portable medical devices (glucose meters, oxygen metering, current sensing), portable instrumentation, sensor signal conditioning, portable consumer devices, filtering, handheld test equipment
OPA369 Price (1ku): $1.00
 
500-MHz, Fixed Gain of +2V/V, JFET Input Amp: The OPA653 combines a very wideband, voltage feedback op amp with a JFET-input stage to offer an ultra-high dynamic range for high impedance buffering at a fixed gain of 2V/V. The wide 500-MHz gain of 2V/V bandwidth is complemented by a very high 2675V/µs slew rate with fast settling time that makes it ideal for time-domain and pulse-oriented applications.
  • Fast settling time and fast overdrive recovery (1% 4 V step) = 8ns
  • Low distortion: -72dBc THD at 10MHz
  • Applications: Test and measurement front end, high-input impedance probes, data acquisition cards, oscilloscope input, ADC input amplifier
OPA653 Price (1ku): $3.45
 
Low-Noise, Very Low-Drift, Precision Voltage Reference: The REF50xx, designed for industrial applications, combines excellent low drift with the lowest noise and highest accuracy of TI's voltage reference devices. The combination of 3ppm/°C maximum drift, low noise (3Vpp/V), and high accuracy (0.05%) achieves accuracy and system performance levels previously available only through use of more costly buried zener technologies.
  • Low temperature drift:
    • High grade: 3ppm/°C (max)
    • Standard grade: 8ppm/°C
  • Applications: Medical instrumentation, test and measurement, high-accuracy industrial and process control, high-accuracy reference, precision current sources, high-resolution A/D and D/A converters
REF5010 Price (1ku): $2.35
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INTERFACE
5-V TTL to Differential PECL Translator: The SN65ELT20 operates on a +5-V supply and ground only. The output is undetermined when the inputs are left floating, and the low output skew makes the device ideal for clock or data signal translation.
  • Operating range: Vcc 4.2V to 5.7V with GND =0V
  • Support for clock frequencies up to 400MHz
  • Applications: Clock and data buffering, telecom, test, medical
SN65ELT20 Price (1ku): $2.40
 
PECL/ECL Differential 1:2 Fanout Buffer: The SN65EL11 includes circuitry to maintain known logic level when inputs are in an open condition.
  • Operating range:
    • PECL: Vcc 4.2V to 5.7V with VEE =0V
    • NECL: Vcc=0V with VEE= 4.2 to 5.7V
  • 5-ps skew between outputs
  • Applications: Clock and data buffering, telecom, test, medical
SN65EL11 Price (1ku): $2.40
 
9-Channel RS-485/RS-422 Transceiver: The SN65HVD09, the industry's first 9-channel transceiver for RS-422 and RS-485 applications, combines both the driver and receiver in a single device, reducing BOM and footprint. Industrial rated, the SN65HVD09 supports -40°C to 85°C and can withstand 12KV of ESD.
  • Operates at up to 20 million data transfers per second on each RS-422/RS-485 channel
  • Applications: RS-485 or RS-422 applications needing many channels, industrial parallel communications, industrial computers, data acquisition and control
SN65HVD09 Price (1ku): $3.50
 
1-Channel, 600-Mbps to 3.75-Gbps Multi-Rate Transceiver
TLK3131 Price (1ku): $16.00
 
DisplayPort 1:2 Switch
SN75DP128A Price (1ku): $2.10
 
70-V, Fault-Protected RS-485 Transceivers
SN65HVD17xx Price (1ku): $ 1.85
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AUDIO
92-dB (16-Bit) Low-Power Stereo ADC with Digital Mic Support: The TLV320ADC3101 analog-to-digital converter supports sampling rates from 8 kHz with an integrated programmable gain amplifier providing up to 40 dB analog gain (AGC). Front-end input coarse attenuation of 0dB, -6dB, or off, is also provided.
  • Inputs programmable in a combination of single-ended or fully differential configurations (6 single-ended and 3 differential inputs)
  • Supports digital and analog microphones
  • Applications: Cell phones, PDAs, voice/audio processors, conference/IP phones, portable audio equipment
TLV320ADC3101 Price (1ku): $1.75
 
Low-Power, Stereo Codec with 6 Inputs, 6 Outputs, Speaker/HP Amp and Enhanced Digital Effects
TLV320AIC3101 Price (1ku): $4.25
 
20-W, Stereo Closed-Loop I²S Input Audio Power Amp with On-Chip DRC and Speaker EQ
TAS5708 Price (1ku): $2.55
 
19-Vpp Mono Class-D Audio Amplifier for Piezo/Ceramic Speakers
TPA2100P1 Price (1ku): $1.30
 
25-mW DirectPath™ Stereo Headphone Amplifier with Pop Suppression
TPA6132A2 Price (1ku): $0.65
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STANDARD LINEAR
Audio Codec AC'97 Voltage-Translation Transceiver: The SN74AVC6T622 voltage-level transceiver interfaces 1.8-V audio codec (AC'97) controllers – the audio/analog modem functionality found in personal computers – with 3.3-V AC'97 codec links. With the digital switching levels of today's AC'97 codecs lowering to 1.8-V logic levels, the SN74AVC6T622 device can be used to bridge the gap between legacy 3.3-V AC'97 codecs and AC'97 controllers that are now operating at 1.8V.
  • Configurable I/O switching levels with dual-supply pins operating over full 1.2-V to 3.6-V power supply range
  • ESD protection of 7-kV HBM
  • Low static power consumption and small package size ideal for AC'97 applications
  • Applications: Notebooks, desktop computers
SN74AVC6T622 Price (1ku): $0.90
 
Hot-Swappable 2-Wire Bus Buffers
TCA4311 Price (1ku): $1.41
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SWITCHES
High-Speed USB 2.0 (480-Mbps) 1:2 Multiplexer/Demultiplexer Switch: The TS3USB30E high-bandwidth switch is designed for the switching of high-speed USB 2.0 signals in handset and consumer applications, such as PDAs, cell phones, digital cameras, 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 bi-directional and offers little or no attenuation of high-speed signals at the outputs
  • Low bit-to-bit skew and high channel-to-channel noise isolation
TS3USB30E Price (1ku): $0.65
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MSP430
MSP430 Ultra-Low Power Microcontrollers: TI and third-party developers offer a number of hardware and software development tools enabling you to evaluate device performance, complete an entire design project or set up your own production programming. TI offers J-TAG based, real-time, in-system emulation kits in USB, parallel or easy-to-use USB stick form factors.
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APPLICATIONS
System Block Diagrams:
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TRAINING AND SEMINARS
Low-Power RF Solutions Workshop: This workshop will accelerate the time to market for engineers working with TI's four wireless networking protocols; SimpliciTI™, TI-MAC, ZigBee®, and Z-Accel™. You can choose to attend the first 2 days of the workshop covering SimpliciTI or attend the entire 4-day workshop which also covers the 802.15.4 protocols (TI-MAC, ZigBee, Z-Accel).

Technology Days 2009: Join TI for a day packed with technical design sessions and technology exhibits. The seminar provides a learning forum where practical high-performance design solutions, tools, techniques, topologies and examples will be presented.

Analog eLab Videocast - Selecting the Right LED for Your Design: This analog eLab, done in partnership with Cree and Arrow, focuses on solid-state lighting along with specific applications like solar-powered lighting, cove lighting, and MR16 lamp replacement.
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COMPANY-AUTHORED ARTICLES IN THE MEDIA
"Optimize Power Consumption in Portable Electronics Using Integrated Load Switches," by Phillppe Pichot. Portable Design, November 2008.

"Audio Parametrics: A necessary toolset for any audiophile," by Sachin Ranganathan. Electronic Products, December 2008.

"Product Development Insight: SAR ADCs," by Frank Ohnhaeuser. AnalogDesignLine.com, December2008.

"Power Tip #5: Buck-Boost Using a Buck Controller," by Robert Kollman. PowerManagementDesignLine.com, November 2008.

"Power Management Problems and Solutions for Low Power IP Phones and VOIP Devices," by Richard Nowakowski & Richard Chan, T.Y., EDN, December 2008.
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CUSTOMER SUPPORT CONTACT INFORMATION
TI E2E Online Community: Visit TI's Online 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.
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