EE Product News

ADCs Surpass Performance Benchmarks

Reportedly breaking industry records, the 16-bit AD7626 SAR ADC promises an unequalled combination of speed and accuracy while the 24-bit AD7190 sigma-delta ADC claims to deliver the highest speed and resolution available for sensing applications. The AD7626 PulSAR ADC achieves a best-in-class 15-bit ENOB and a 10-Msample/s throughput, reportedly 2.5 times faster than other SAR ADCs, and specifies a 92-dB SNR. For applications that do not require the full 10-Msample/s data rate, users can easily multiplex the ADC. Other features include a 5 mm x 5 mm QFN package and a power consumption of 130 mW. Poised for precision sensing, the AD7190 registers a noise figure of 7 nV and a greater than 16-bit resolution up to 2.4 kHz across all input voltages from 40 mV to 5V. The device also integrates a programmable-gain amp enabling a 7 nVrms noise figure and a 5 nV/°C drift from dc to 4.8 kHz. Other integrated features include an oscillator, temperature sensor, bridge power-down switch, reference detect monitor, and a choice of single-ended, pseudo-differential, or fully differential input channels. The AD7626 in a 32-lead QFN is available now and the AD7190 in a 24-lead TSSOP is currently sampling with production volume coming in November. Prices are $34 and $5.90 each/1,000, respectively. ANALOG DEVICES, INC., Norwood, MA. (800) 426-2564.


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