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Analog Front Ends enhance handheld ultrasound systems.

info@productnews.com (ThomasNet Industrial Newsroom) — Thu, 09 Oct 2008 07:36:12 -0500

Featuring 39 mW/channel at 32.5 MSPS, AFE5851 integrates 16 variable gain amplifiers (VGAs) and eight 12-bit, 65 MSPS ADCs. Each converters is shared between 2 VGAs and has scalable power consumption, and each VGA differential output is sampled at alternate clock cycles. Featuring 50 mW/channel at 30 MSPS and 58 mW/channel at 50 MSPS, AFE5801 integrates 8 VGAs and eight 12-bit, 65 MSPS ADCs with LVDS data outputs. Both products come in 9 x 9 mm, 64-QFN package.

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Analog-to-Digital Converter operates at 200 MSPS.

info@productnews.com (ThomasNet Industrial Newsroom) — Thu, 02 Oct 2008 07:33:14 -0500

Suited for wide-bandwidth, high-sensitivity applications, 16-bit Model ADS5485 can achieve signal-to-noise ratio of 75 dBFS and spurious-free dynamic range of 87 dBc for 70 MHz input frequency. Single-channel unit eases analog front end design by incorporating fully differential input buffer, which provides constant input impedance over input frequency and eliminates kickback from ADC's track-and-hold structure to ensure consistent linearity of signal.

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DAC delivers 18-bit monotonic performance.

info@productnews.com (ThomasNet Industrial Newsroom) — Wed, 24 Sep 2008 07:36:27 -0500

Housed in QFN-24 package, Model DAC9881 provides ±2 LSB integral non-linearity and ±1 LSB differential non-linearity. Single-channel, voltage-output DAC includes on-chip low-noise output buffer and supports SPI serial interface capable of operating with input data clock frequencies up to 50 MHz. Consuming 4 mW at 5 V, digital-to-analog converter features 24 nV/rtHz noise, 5 µs settling time, and rail-to-rail output swing over full supply range of 2.7-5.5 V.

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I2C SAR ADCs are specified over temperatures to +125°C.

info@productnews.com (ThomasNet Industrial Newsroom) — Mon, 15 Sep 2008 07:40:51 -0500

Supplied in 4 x 3 mm DFN and MSOP packages, 1-channel LTC2301 and two-channel LTC2305 are 12-bit ADCs that communicate via I²C-compatible, 2-wire interface and dissipate 1.5 mW at 1 ksps output rate. LTC2301 measures single differential input, while LTC2305 digitizes 2 single-ended inputs. Both operate from 5 V supply and include 2 address select pins that can be tied low, high, or left floating. Internal reference and low-power shutdown mode reduce power dissipation to 35 µW.

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SAR ADCs suit medical imaging and DAQ systems.

info@productnews.com (ThomasNet Industrial Newsroom) — Tue, 19 Aug 2008 07:42:45 -0500

Along with 92 dB SNR, AD7626 PulSAR® ADC achieves 16-bit data capture performance with 15-bit ENOB (effective number of bits) and 10 MSPS throughput. It can also be multiplexed for applications that do not require full 10 MSPS data rates, consumes 130 mW of power, and uses self-clocked LVDS bus. Model AD7625 operates at 6 MSPS. Both 16-bit SAR (successive-approximation register) ADCs come in 5 x 5 mm, 32-lead QFN package and utilize architecture that provides zero data latency.

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SPI and I2C DACs integrate precision reference.

info@productnews.com (ThomasNet Industrial Newsroom) — Wed, 30 Jul 2008 07:43:08 -0500

Supplied in 8-pin TSOT-23 package, LTC2631 I²C DACs are suited for fine tuning bias voltages. They incorporate 10 ppm/°C reference output, available to drive reference inputs for all other data converters on board. Also available, LTC2640 SPI DACs offer choice of 2.5 or 4.096 V FS output range. External reference can be applied if more accuracy or non-standard voltage range is required. Both series include 8-, 10-, and 12-bit models that draw 180 µA supply current at 3 V.

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ADCs offer simultaneous-sampling for signal acquisition.

info@productnews.com (ThomasNet Industrial Newsroom) — Mon, 14 Jul 2008 07:41:22 -0500

Featuring 25 kHz bandwidth, 2 µV/C offset drift, and up to 97 dB SNR, ADS1174 (4-channel) and ADS1178 (8-channel) 16-bit A/D converters offer 2 operating modes that allow for 52 kSPS speed and 7 mW/channel power dissipation. Delta-sigma ADCs have chopper-stabilized modulator and onboard decimation filter that suppresses modulator and out-of-band noise, providing usable signal bandwidth up to 90% of Nyquist rate with stopband attenuation of 100 dB.

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Analog Front End targets portable ultrasound systems.

info@productnews.com (ThomasNet Industrial Newsroom) — Wed, 09 Jul 2008 07:42:23 -0500

Featuring 102 mW/channel at 1.25 nV/rtHz at 40 MSPS, 8-channel AFE5804 contains low-noise amplifier, voltage controlled attenuator, programmable gain amplifier, low-pass filter, and 12-bit 10-50 MSPS analog-to-digital converter with LVDS data outputs. LNA is set for 20 dB gain and includes 280 mVpp input range, while gain of VCA can be varied over 46 dB range with 0-1.2 V control voltage common to all channels. PGA can be programmed for gains of 20, 25, 27, and 30 dB.

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ADC can handle demanding applications.

info@productnews.com (ThomasNet Industrial Newsroom) — Fri, 27 Jun 2008 07:42:47 -0500

Designed for software-defined radio, diagnostic imaging, and radar/signals intelligence, Model ICS-1650 high-speed ADC features four 12-bit analog input channels with simultaneous sampling at up to 250 MHz. It has 4-lane PCI Express interface that provides up to 1.25 GB/sec net payload data rate, enabling continuous data acquisition at sample rates exceeding 200 MHz on all 4 channels. Unit comes with user-programmable Xilinx® Virtex(TM)-5 FPGA and 16 MB of QDR II SRAM memory.

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MCUs enable addition of USB to any application.

info@productnews.com (ThomasNet Industrial Newsroom) — Wed, 18 Jun 2008 08:00:10 -0500

Including Models PIC18F13K50 and PIC18F14K50, Series PIC18F1XK50 8-bit PIC® microcontrollers include host of serial communication interfaces, such as USB 2.0, I2C(TM), SPI, and USART, enabling them to transfer data between USB and other embedded serial networks. They also provide 10-bit, 9-channel ADC and dual comparators with S/R Latch. Model PIC18F13K50 has 8 Kb Flash and 512 Bytes of RAM memory, while PIC18F14K50 has 16 Kb Flash and 768 Bytes of RAM.

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ADCs feature 0.5 µA shutdown current in 3 x 2 mm DFN package.

info@productnews.com (ThomasNet Industrial Newsroom) — Mon, 19 May 2008 07:38:51 -0500

Operating from single 2.7-5.5 V supply, Models LTC2451 and LTC2452 measure single-ended/differential sensors via either I²C or SPI serial interfaces. They achieve 16-bit dc performance of 2 LSB integral nonlinearity error, 1.4 µVrms transition noise, and 0.01% gain error. Suited for portable sensor applications, units include internal oscillator and allow up to 60 conversions/sec. ADCs incorporate input sampling network that reduces dynamic input current to less than 50 nA.

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Converter features dual simultaneous sampling.

info@productnews.com (ThomasNet Industrial Newsroom) — Fri, 16 May 2008 07:34:46 -0500

Model AS1545 offers 12-bit resolution on two independent 1 Msps ADCs, each with 6 input channels, combined with low power consumption. Rail to rail analog input range can be selected to be 0 V to VREF (or 2 VREF). Device operates from single 2.7 to 5.25 V supply and can be interfaced via high speed SPI/QSPI/Microwire or DSP. It is available in 5 x 5 mm 32-pin TQFN package.

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DAC Converter consumes 1,180 mW at 4.0 Gsps.

info@productnews.com (ThomasNet Industrial Newsroom) — Thu, 15 May 2008 07:39:19 -0500

Optimized for direct digital synthesis of high-frequency and wideband signals in first Nyquist zone, MAX19693 12-bit converter can directly synthesize signals in frequency range from dc to nearly 2 GHz. It operates from 3.3 and 1.8 V supplies, and achieves SFDR of greater than 70 dBc for output frequencies less than 800 MHz and 62 dBc at output frequency of 1,500 MHz. At 4.0 Gsps update rate and output frequency of 200 MHz, unit offers wideband-noise spectral density of -164 dBm/Hz.

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Single-Channel ADCs offer optimized SNR, power consumption.

info@productnews.com (ThomasNet Industrial Newsroom) — Thu, 15 May 2008 07:39:12 -0500

Respectively, 40 MSPS ADS5560 and 80 MSPS ADS5562 are 16-bit ADCs that provide up to 96.2 and 95.9 dB SNR for input frequencies within first Nyquist zone while consuming as little as 528 and 693 mW of power. Dynamic power scaling for ADS5562 further reduces power consumption to as little as 540 mW at 25 MSPS. Offered in 7 x 7 mm, 48-pin QFN package, both products incorporate low-frequency noise suppression mode and programmable gain from 0-6 dB.

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Analog-to-Digital Converter consumes only 7.2 mW.

info@productnews.com (ThomasNet Industrial Newsroom) — Wed, 14 May 2008 07:48:34 -0500

Available in 6- and 8-lead TSOT-23 packages, 12-bit successive approximation register ADC, Model LTC2366 operates from single 2.35-3.6 V supply and outputs data at up to 3 MS/sec. Unit communicates via serial SPI/QSPI/Microwire-compatible interface, offers no data latency, and achieves dc specifications of ±1 LSB INL and ±1 LSB DNL. With guaranteed specifications across -40 to +125°C range, ADC is suited for monitoring dc or ac signals in variety of applications.

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DAC offers 6 software-programmable output ranges.

info@productnews.com (ThomasNet Industrial Newsroom) — Wed, 14 May 2008 07:48:34 -0500

Operating from 2.7-5.5 V supply, Model LTC2755-16 provides unipolar outputs of 0 to +5 V and 0 to +10 V, as well as bipolar outputs of ±5, ±10, ±2.5, and -2.5 to +7.5 V. Unit guarantees 16-bit linearity over industrial temperature range without any adjustment. Each DAC output can be individually programmed through parallel interface or pin-strapped for operation within single range. Housed in 9 x 9 mm QFN package, converter offers full-scale settling time of 2 µs and 1 nVos glitch impulse.

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Analog-to Digital Converter conserves FPGA I/O pins.

info@productnews.com (ThomasNet Industrial Newsroom) — Fri, 25 Apr 2008 07:52:52 -0500

Featuring 2-wire serial interface, Model LTC2274 reduces number of data I/O lines required between 16-bit ADC and FPGA from 16 CMOS or 32 LVDS parallel data lines to single, self-clocking, differential pair communicating at 2.1 Gbps. Output data is serialized according to JEDEC specification for data converters using 8b10b encoding. Housed in 6 x 6 mm, QFN-10 package, device features max sample rate of 105 MSps, SNR of 77.5 dB, and SFDR of 100 dB at baseband.

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Dual-Channel DAC supports 3G and 4G communications.

info@productnews.com (ThomasNet Industrial Newsroom) — Thu, 24 Apr 2008 07:36:38 -0500

Model DAC5688 is 16-bit, dual channel, 800 MS/sec DAC designed in 64-pin, 9 x 9 mm QFN package. Digital inverse SINC filter compensates for natural DAC sin (x)/x frequency roll-off and digital quadrature modulator correction feature allows IQ compensation of phase, gain, and offset. Unit includes dual CMOS data bus that provides 250 Mbps input data transfer/DAC channel. Input data can be interpolated 2, 4, or 8 times by on-board digital interpolating FIR filters.

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Data Converter features 200 MHz sampling rate.

info@productnews.com (ThomasNet Industrial Newsroom) — Tue, 18 Mar 2008 07:34:33 -0500

Model 7150 comes with four 200 MHz, 16-bit A/Ds, multi-module synchronization capability, variety of IP cores, built-in data capture modes, and pair of Xilinx Virtex-5 FPGAs, including processing and interface FPGAs. PMC/XMC module connects directly to RF/IF inputs of communications system. With flexible form factor, unit features front-panel synchronization bus, sampling clock, and 3 banks of 1.5 GB DDR2 synchronous DRAM connected to main processing FPGA.

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Search for suppliers of: Data Converters | Analog-to-Digital Converters

A/D Converter measures unipolar or bipolar input ranges.

info@productnews.com (ThomasNet Industrial Newsroom) — Fri, 07 Mar 2008 07:36:11 -0500

Model LTC2309 allows I2C data transfers up to 100 kHz in standard mode and 400 kHz in fast mode. Unit includes 2-wire interface with 14 ksps throughput rate and 2 address select pins that may be tied low, high, or left floating, providing 9 I2C addresses. Converter features 8-channel integrated multiplexer and operates from single 5 V supply, as well as 35 µW in shutdown mode. Packaged in 4 x 4 mm QFN-24, converter is available in commercial and industrial temperature grades.

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