Atmel Corp.
San Jose, CA 95131
Feb 11, 2005 Suited for multimedia portable applications, AT73C213 integrates audio-quality 20-bit stereo DAC that delivers 93 dB dynamic range, audio power amplifier that provides up to 1 W, and 32 ohm stereo headset driver with programmable volume control and mute function. Stereo DAC comprises multi-bit sigma-delta modulator with dither, continuous time analog filters, and analog output drive circuitry. Master clock allows choice of input data rate up to 50 kHz.

Linear Technology Corp.
Milpitas, CA 95035-7417
Feb 08, 2005 Housed in 9 x 9 mm QFN package, 12-bit, 185 Msps Model LTC2220-1 uses 910 mW and achieves 67.5 dB SNR and 80 dB SFDR up to 140 MHz input. Digital outputs can be differential LVDS or single-ended CMOS. Separate digital output power supply allows CMOS output swing to range from 0.5–3.3 V, minimizing switching noise. With 775 MHz full power bandwidth, ADC is suited for digital predistortion power amplifier linearization and microwave links between cellular base station transceivers.

C & D Technologies
Mansfield, MA 02048-1151
Dec 14, 2004 Analog-signal-processing (ASP), multi-chip ADSD-1410 uses active laser trimming of thin-film resistors, weaving different semiconductor chips into one ASP function. It has 2 input channels, wideband (30 MHz) sample-hold amplifiers, and independently clocked, 14-bit, 10 MSPS ADCs. Housed in 28-pin, double-DIP, ceramic package, unit employs proprietary gate array that provides timing and control logic necessary to operate each converter from one edge-triggered, start-convert pulse.

Linear Technology Corp.
Milpitas, CA 95035-7417
Nov 21, 2004 With variable speed/resolution, 24-bit Delta Sigma Model LTC2447 features multiplexing architecture to digitize multiple ratiometric sensors. Four differential inputs, coupled with 4 differential reference inputs, allow ratiometric measurements of multiple RTDs, bridges, and pressure sensors. Fifth differential reference can be shared by any or all inputs. For low output rate applications, ADC provides 200 nVRMS noise and simultaneous 50 and 60 Hz line frequency noise rejection.

Texas Instruments, Inc., Semiconductors
Dallas, TX 75243
Nov 11, 2004 Model ADS1271 offers 1.8 µV/C offset drift with low in-band noise of 6.5 µV rms. Onboard linear phase decimation filter suppresses modular and signal out-of-band noise, providing signal pass-band of 90% of Nyquist rate with less than 0.005 db ripple. With 3 selectable operating modes, 24-bit unit offers 105 kSPS data rate, 109 dB SNR resolution, and power dissipation of 35 mW. Selectable frame-sync or SPI serial interface provides interfacing to DSPs and microcontrollers.

Texas Instruments, Inc., Semiconductors
Dallas, TX 75243
Nov 02, 2004 Models PCM4202 and PCM4204 are 2- and 4-channel converters featuring 118 dB dynamic range and -105 dB total harmonic distortion. Both devices support 24-bit linear PCM output data, with sampling frequencies up to 216 kHz, and can be configured to output either 64x or 128x oversampled, 1-bit direct stream digital data for each channel. DSD input mode allows 1-bit DSD to 24-bit PCM data format conversion by utilizing internal digital decimation filter.

Linear Technology Corp.
Milpitas, CA 95035-7417
Oct 21, 2004 Available in 32-pin, 5 x 5 mm QFN package, LTC2220 ADC family include models that range from 10–170 Msps at 12- and 10-bit resolution, as well as 14-bit converters to 80 Msps. Optimized for undersampling, 3 V converters operate at high Intermediate Frequencies (IF); LTC2249 features 575 MHz bandwidth and achieves 85 dB SFDR up to 140 MHz input. Pin-compatible versions, at sample rates of 65, 40, 25, and 10 Msps, feature power as low as 60 mW.

Linear Technology Corp.
Milpitas, CA 95035-7417
Sep 28, 2004 Operating from 3.3 V supply, Series LTC2220 is comprised of 24 converters with 10, 12, or 14-bit resolution. At 630 mW, 12-bit Model LTC2224 operates at 135 Msps and comes in 7 x 7 mm QFN package. Suited for low power base station designs and optimized for undersampling, unit features 775 MHz bandwidth and achieves 77 dB SFDR up to 250 MHz input. Series offers selectable input range of ±0.5 or ±1 V and includes data ready output clock, as well as shutdown and nap modes.

Pentek Inc.
Upper Saddle River, NJ 07458
Jul 28, 2004 Software radio front-end incorporates two 105 MHz, 14-bit A/D converters and 2 user-configurable Virtex-II Pro FPGAs. VIM-2 module accepts up to 2 Model 6256s mounted on VIM baseboards while maintaining single-slot configuration, which offers 4 A/D channels and 24 million FPGA gates. Second-slot option increases number of A/D channels to 8 without requiring additional baseboard. Built-in memory enables real-time digital delay and transient capture.

Analog Devices, Inc.
Norwood, MA 02062-9106
Jun 30, 2004 At 2 MSPS, 18-bit Model AD7641 features typical nonlinearity of 2 LSB and SNR of 93 dB. It operates from 2.5 V supply and provides internal conversion clock, internal reference buffer, error correction circuits, and serial and parallel interface ports, while eliminating need for discrete, low noise programmable gain amplifier. High-speed, 20-bit, Model AD7760 provides sigma delta conversion and delivers 100 dB at 2.5 MSPS, while simplifying complex anti-aliasing filtering.

Analog Devices, Inc.
Norwood, MA 02062-9106
Jun 09, 2004 Series AD779x 16- and 24-bit converters, for industrial/medical instrumentation, offer 40 nVrms noise and 400 µA power characteristics. Operating with 2.7–5.25 V power supply, products feature software-programmable output data rate, variable from 4–500 Hz. At 16.6 Hz, they offer simultaneous rejection of 50 Hz and 60 Hz signals. Each product is comprised of sigma-delta A/D converter, instrumentation PGA, multiplexer, current sources, clock, calibration registers, and SPI interface.

Linear Technology Corp.
Milpitas, CA 95035-7417
Jun 03, 2004 Housed in pin-compatible SSOP-16 package, 8-channel, 200 ksps LTC1867 offers 16-bit no missing codes over temperature and ±2 LSBMAX INL. It draws 1.3 mA at full speed, and supply current automatically drops at reduced speeds. Unit includes serial interface and multiplexer that allows any combination of single-ended inputs or differential inputs in unipolar or bipolar mode. Accuracy is independent of shift clock frequency, and commercial and industrial temperature ranges are available.

Texas Instruments, Inc. (TI)
Dallas, TX 75243-4136
May 28, 2004 Series ADS5500 consists of three 14-bit ADCs and three 12-bit ADCs available in speeds of 80, 100, and 125 MSPS. Models ADS5520 and ADS5521 are 12-bit units operating at 125 and 105 MSPS with SNR of 69 dB at 100 MHz input frequency. Model ADS5522 is a 12-bit converter operating at 80 MSP with SNR of 70 dB. Models ADS5541 and ADS5542 are 14-bit, 105 and 80 MSPS devices with 710 and 670 power, respectively. Applications include communications, medical, video, and imaging.

Micronas GmbH
Frieburg D-79108  Germany
May 26, 2004 MicModule allows TV manufacturers to add digital terrestrial video broadcast functionality to existing analog chassis. It is equipped with universal tuner and can be directly connected to any VHF/UHF input. MicModule uses DRX 8872C DVB-T COFDM demodulator IC and MDE 9515B digital audio, video, and graphic controller IC for decoding and processing of digital MPEG-2 signal. CI slot supports major conditional access systems required for pay-TV applications.

Linear Technology Corp.
Milpitas, CA 95035-7417
May 20, 2004 Housed in 28-pin SSOP package, LTC2439-1 consists of 8-channel differential input, 16-bit analog-to-digital converter (ADC). No Latency Delta-Sigma™ architecture allows single-cycle settling time, and digital filter always settles in one conversion cycle, even after change in multiplexer input channels. Equipped with on-chip oscillator, product features transparent auto calibration and operates from voltages of 2.7–5.5 V.

Linear Technology Corp.
Milpitas, CA 95035-7417
May 14, 2004 Housed in 38-pin QFN package, LTC2449 automatically calibrates and removes offsets and drifts from external analog signal chain up to sensor output. Built with multiplexer architecture, 8 kHz, 16-Channel delta-sigma analog-to-digital converter (ADC) employs No Latency Delta Sigmaâ„¢ architecture, along with 4 kHz conversion rate, that allows all 16-channels to be scanned in 4 msec. Features include programmable filter, internal oscillator, and 5 V supply operation.

C & D Technologies
Mansfield, MA 02048-1151
Apr 23, 2004 Housed in 32-pin ceramic TDIP package, 18-bit ADS-953 optimizes signal return paths and provides internal, local decoupling to obtain -95 dB peak harmonics and 76 µVrms noise-level performance. Signal-to-Noise Ratio is 93 dB, and unit offers no missing codes over operating temperature range. Gate array provides all timing and control logic needed to operate from single edge-triggered start convert pulse, while providing output data with no pipeline delays.

Linear Technology Corp.
Milpitas, CA 95035-7417
Mar 31, 2004 Housed in 48-Pin TSSOP package, LTC1750 analog to digital converter (ADC) simplifies basestation design by eliminating second intermediate frequency (IF) down-conversion stage. This 80 Msps, 14-bit ADC undersamples up to 500 MHz input frequencies and delivers 84 dB spurious free dynamic range with 140 MHz inputs and 74 dB SFDR with 350 MHz inputs. Features include configurable I/O, on-chip PGA, and selectable input ranges: 1.35–2.25 Vp-p.

Texas Instruments, Inc., Semiconductors
Dallas, TX 75243
Mar 17, 2004 Packaged in 48-lead TQFP, successive approximation, analog-to-digital Models ADS7891 and ADS7890 provide no latency conversion and integrate internal reference and reference buffer. Model ADS7891 offers 14-bit no missing code performance at 3 MSPS with 85 mW power consumption. Model ADS7890 consists of 14-bit, 1.25 MSPS ADC with SPIâ„¢ compatible serial interface. Applications include optical networking, spectrum analyzers, and telecommunications.

Linear Technology Corp.
Milpitas, CA 95035-7417
Feb 23, 2004 Offered in 10-Pin MSOP package, LTC1403 consists of 14-bit, 2.8 Msps, serial Analog to Digital Converter (ADC) that offers AC and DC performance of 73.5 dB SINAD, ±4 LSB INL. Unit draws 5 mA when sampling at 4 Msps with 3 V supply; low power design and footprint allow use in instrumentation sensors or probes, minimizing analog transmission line errors. Features include 80 dB common mode input rejection, microcontroller, and DSP-compatible 3-wire SPI serial interface.