Linear Technology Corp.
Milpitas, CA 95035-7417
Jan 24, 2008 Supplied in 3 x 3 mm DFN-10 package, 12-bit LTC2302 and LTC2306 communicate via 3-wire SPI-compatible serial interface at rates to 500 kSps. Former measures one differential input channel, while letter includes internal multiplexer and measures 2 single-ended or 1 differential input channel. Both models operate from 5 V supply, dissipating 15 mW at max output rate and 70 µW at 1 kSps. Separate digital output supply voltage lets users configure serial data output for 3 or 5 V logic.

austriamicrosystems AG
Premstatten   Austria
Dec 11, 2007 Model AS1542 12-bit successive-approximation A/D converter features 16 input channels that are software-configurable as 16-channel single-ended or 8-channel fully-differential analog inputs. At conversion speed of 1 MS/sec, it uses as little as 2.4 mA, while in automatic shutdown mode supply current drops to less than 0.5 µA. Device operates from 2.7-5.25 V supply and contains Vdrive function for connecting serial interface to 3 or 5 V processor systems independently.

austriamicrosystems AG
Premstatten   Austria
Nov 26, 2007 Available in 8-pin, 3 x 3 mm TDFN package, 10-bit AS1528/29 suit battery-powered devices and portable DAQ systems. Both AS1528 single-channel fully differential ADC and AS1529 dual-channel single-ended ADC consume less than 350 µA at max sampling rate. Automatic shutdown (sleep mode) between conversions enables lower rates of power consumption down to 2.5 µA at 1 Ksps or 200 nA during shutdown. SPI, QSPI, and Microwire-compatible interface enable high-speed data access.

Linear Technology Corp.
Milpitas, CA 95035-7417
Nov 08, 2007 Housed in 3 x 2 mm DFN package, I2C-compatible Model LTC2453 operates from single 2.7-5.5 V supply and measures differential input up to ±VCC. Delta sigma unit achieves 16-bit dc performance of 2 LSB integral nonlinearity error, 1.4 µVrms transition noise, and 0.01% gain error. With internal oscillator and up to 60 conversions/sec, device enables measurement of temperature, pressure, voltage, or other low-frequency sensor outputs. It draws 800 µA of supply current at 60 Hz max sample rate.

austriamicrosystems AG
Premstatten   Austria
Nov 06, 2007 Suited for 2.7-5.25 V battery-powered and industrial applications using I²C bus, Model AS1538 offers 12-bit resolution on each of 8 input channels. Available in 16-pin TSSOP package designed for operating environments ranging from -40 to +85°C, unit offers conversion speed of 50 ksps while using 850 µA supply current. In shutdown mode supply current drops to less than 1.5 µA. Internal 2.5 V reference or external reference in 1-5.25 V range determines full-scale analog input range.

Texas Instruments, Inc. (TI)
Dallas, TX 75243-4136
Sep 14, 2007 Providing delta-sigma, simultaneous-sampling measurement system, Models ADS1274 (4-channel) and ADS1278 (8-channel) 24-bit industrial analog-to-digital converters feature 62 kHz bandwidth, 0.8 µV/C offset drift, and up to 111 dB signal-to-noise ratio (SNR). Units have 4 operating modes that allow for 128 kS/sec data rate and 7 mW/channel mode power dissipation. Model ADS1274 is specified over extended industrial range of -40 to +125°C, while Model ADS1278 has range of -40 to 105°C.

Linear Technology Corp.
Milpitas, CA 95035-7417
Sep 10, 2007 Consuming 1,450 mW from 3.3 V supply, LTC2209 16-bit, high-speed A/D converter features internal transparent dither circuit for SFDR response over 10 dBc for low level input signals. Digital output randomizer reduces unwanted tones caused by digital feedback and flexible digital outputs can be run as CMOS or LVDS. Offering analog input bandwidth of 700 MHz, devices are available in speed grades of 160, 130, 105, 80, 65, 40, 25, and 10 MS/sec.

Snowbush microelectronics
Toronto M5G 1Y8  Canada
Sep 10, 2007 Featuring INL of 0.59 LSB, DNL of 0.51 LSB, and ENOB of 5.2 or greater for sampling clock frequencies up to 2.5 GHz, 6-bit, 2.5 GSps ADC IP core occupies silicon area of 0.43 mm². Designed in 90 nm CMOS process, it utilizes automatic calibration of key analog blocks to ensure performance over variations in process, voltage, and temperature. Unit features on-chip power-supply regulation for noise immunity within large digital SOCs.

Linear Technology Corp.
Milpitas, CA 95035-7417
Aug 31, 2007 Supplied in 4 x 4 mm QFN-24 package, 12-bit LTC2308 measures 8 single-ended input channels, 4 differential input channels, or combinations of both for digitizing multiple data acquisition signals with single chip. Unit features internal 8-channel multiplexer and communicates via 4-wire SPI-compatible serial interface. It operates from single 5 V supply, drawing 17 mW at max throughput rate of 500 kS/sec and power dissipation can be decreased further via 2 shutdown modes.

C & D Technologies
Mansfield, MA 02048-1151
Aug 28, 2007 Housed in hermetically sealed, 40-pin ceramic TDIP, Model ADS-939 accurately samples full-scale input signals with no missing codes up to Nyquist frequencies and across full operating temperature range. It provides signal-to-noise ratio of 82 dB and total harmonic distortion of -86 dB at Nyquist input frequency. Able to operate from ±5, ±12, or ±15 V supply, Model ADS-939 dissipates 1.5 W. It is offered with ±2.75 V bipolar or 0 to -5.5 V unipolar analog input range.

Texas Instruments, Inc. (TI)
Dallas, TX 75243-4136
Aug 17, 2007 Supplied in 80-pin, 14 x 14 mm TQFP PowerPAD(TM) package, ADS5474 features 400 MSPS sample rate with 70 and 69 dBFS SNR through first and second Nyquist respectively. It provides performance of 11.1 effective number of bits at this speed, and on-chip buffer amplifier eliminates sample-and-hold kick-back while promoting max input impedance over time and frequency. This facilitates analog front end design for wide-bandwidth applications from DC to intermediate frequencies above 200 MHz.

Maxim Integrated Products
Sunnyvale, CA 94086
Aug 16, 2007 Specified over -40 to +85°C temperature range, Model MAX109 8-bit, 2.2 Gsps analog-to-digital converter (ADC) integrates track/hold amplifier, quantizer, and 1:4 demultiplexed LVDS outputs on single monolithic die. It achieves spurious-free dynamic range of 62 dBc and signal-to-noise ratio of 45 dB. Unit can also digitize/synthesize signals directly at RF, reducing/eliminating need for RF downconverters. Offered in 256-pin SBGA package, ADC supports differential or single-ended inputs.

Pentek Inc.
Upper Saddle River, NJ 07458
Jul 05, 2007 Configured as 6U VME board, Model 6890 synchronizes multiple Pentek I/O modules, each receiving common clock up to 2.2 GHz along with timing signals for synchronizing, triggering, and gating functions. Clock, synch, and gate distribution board, which supports Pentek Model 6826 Dual 2-GHz, 10-bit ADC VME board, facilitates sampling and timing for multichannel, high-speed DAQ, DSP, and software-radio applications.

Linear Technology Corp.
Milpitas, CA 95035-7417
Jun 26, 2007 LTC2450 enables performance upgrades to lower resolution systems in portable and space-constrained applications. It achieves 16-bit DC performance of 2LSB integral nonlinearity error, 1.4 µVRMS noise, and 0.01% gain error. Using 2.7-5.5 V supply voltage as reference, LTC2450 draws 500 µA of supply current and under 1 µA during shutdown. Internal oscillator allows conversion rates up to 30/sec, and 3-wire SPI-compatible interface enables communication.

Linear Technology Corp.
Milpitas, CA 95035-7417
Jun 21, 2007 Intended for data acquisition systems, 14-bit Model LTC2246H consumes 75 mW while providing 74.5 dB SNR, 90 dBc spurious-free dynamic range, and sampling rate of 25 MS/sec. Unit includes shutdown and nap modes, as well as optional clock duty cycle stabilizer. Housed in 5 x 5 mm TQFP package with integrated bypass capacitors, converter satisfies high-temperature demands of automotive and military applications and is targeted for collision avoidance radar systems.

austriamicrosystems AG
Premstatten   Austria
Jun 18, 2007 Housed in 3 x 3 mm TDFN package, single-channel, full-differential Model AS1524 and dual-channel, singled-ended Model AS1525 each consume 350 µA at 150 kSps max sampling rate. At reduced speed of 100 kSps, power consumption drops to 245 µA. SPI, QSPI, and Microwire-compatible interfaces enable high-speed data access while minimizing board space. Both 12-bit parts operate from 2.7-5.25 V single supply in environments ranging from -40 to +85°C.

Linear Technology Corp.
Milpitas, CA 95035-7417
Jun 04, 2007 Operating from single 5 V supply, 8-channel, 16-bit Model LTC1856 features ±10 V bipolar input range and consumes 40 mW at 100 kSps. Unit's multiplexer can be configured to accept 4 differential inputs, 8 single-ended inputs, or combinations of both. Optimized for multi-channel, high-resolution applications such as instrumentation and industrial process control, Model LTC1856 includes 2.5 V internal reference with typical temperature coefficient of ±10 ppm/°C.

Linear Technology Corp.
Milpitas, CA 95035-7417
May 22, 2007 Available in 10-lead MSOP package, 14-bit LTC1403AH operates from single 2.7-3.6 V supply and draws 14 mW at 2.8 MSps conversion rate. Unit includes internal reference, measures single differential 0-2.5 V input signal, and communicates via 3-wire serial interface. Featuring 5 MHz full linear bandwidth, converter achieves 76.3 dB SINAD and 90 dB SFDR at 100 kHz. Device is suited for automotive applications such as baseband radar measurements, gas sensors, and accelerometer sensing.

Analog Devices, Inc.
Norwood, MA 02062-9106
May 18, 2007 Providing direct interface for multiple types of sensors, AD7264/2 allows single, standardized DAQ board to be used in industrial motor drives. Solution integrates 2 successive-approximation ADCs, one programmable gain amplifier, and 4 comparators on one chip. While each ADC provides 1 MSPS max throughput, on-chip PGA accepts true differential analog input and supports 13 programmable-gain settings from 1-128. Solution operates with 5 V power supply and consumes 24 mA.

Linear Technology Corp.
Milpitas, CA 95035-7417
May 14, 2007 Communicating via 2-wire I2C-compatible serial interface, delta-sigma 24-bit Model LTC2493 measures 4 single-ended or 2 differential analog inputs while consuming 300 µA. Easy Drive(TM) architecture results in zero average differential input current, allowing measurements of high impedance input sources without internal buffer. Offering 1/30°C resolution and 2°C absolute accuracy, internal temperature sensor enables temperature compensation of external sensors.