Datasheet Analog Devices AD7791BRMZ — 数据表

Low Power, Buffered 24-Bit
Sigma-Delta ADC
AD7791 Data Sheet FUNCTIONAL BLOCK DIAGRAM FEATURES
Power
Supply: 2.5 V to 5.25 V operation
Normal: 75 μA max
Power-down: 1 μA max
RMS noise: 1.1 μV at 9.5 Hz update rate
19.5-bit p-p resolution (22 bits effective resolution)
Integral nonlinearity: 3.5 ppm typical
Simultaneous 50 Hz and 60 Hz rejection
Internal clock oscillator
Rail-to-rail input buffer
VDD monitor channel
Temperature range: –40°C to +105°C
10-lead MSOP INTERFACE
3-wire serial
SPI®, QSPI™, MICROWIRE™, and DSP compatible
Schmitt trigger on SCLK VDD REFIN(+) REFIN(–) VDD CLOCK AIN(+) -
ADC BUF
AIN(–) GND DOUT/RDY
SERIAL
INTERFACE DIN …