16位, 2.5 MSPS , 15.5的PulSAR ADC毫瓦的LFCSP 16-Bit, 2.5 MSPS, PulSAR 15.5 mW ADC in LFCSP
Product Details
The AD7985 is a 16-bit, 2.5 MSPS successive approximation analog-to-digital converter SAR ADC. It contains a low power, high speed, 16-bit sampling ADC, an internal conversion clock, an internal reference and buffer, error correction circuits, and a versatile serial interface port. On the rising edge of CNV, the AD7985 samples an analog input, IN+, between 0 V and REF with respect to a ground sense, IN−. The AD7985 features a very high sampling rate turbo mode TURBO is high and a reduced power normal mode TURBO is low for low power applications where the power is scaled with the throughput.
In normal mode TURBO is low, the SPI-compatible serial interface also features the ability, using the SDI input, to daisy-chain several ADCs on a single 3-wire bus and provide an optional busy indicator. It is compatible with 1.8 V, 2.5 V, and 2.7 V supplies using the separate VIO supply.
The AD7985 is available in a 20-lead LFCSP with operation specified from −40°C to +85°C.
Applications
### Features and Benefits
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