Part Number
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AD7785 |
Manufacturer
|
Analog Devices |
Description
|
20-Bit ADC |
Published
|
Jun 20, 2007 |
Detailed Description
|
3-Channel, Low Noise, Low Power, 20-Bit ∑-Δ ADC with On-Chip In-Amp and Reference
AD7785
FEATURES
Up to 20 bits effecti...
|
Datasheet
|
AD7785
|
Overview
3-Channel, Low Noise, Low Power, 20-Bit ∑-Δ ADC with On-Chip In-Amp and Reference
AD7785
FEATURES
Up to 20 bits effective resolution RMS noise 40 nV @ 4.
17 Hz 85 nV @ 16.
7 Hz Current: 400 μA typical Power-down: 1 μA maximum Low noise programmable gain instrumentation amp Band gap reference with 4 ppm/°C drift typical Update rate: 4.
17 Hz to 470 Hz 3 differential inputs Internal clock oscillator Simultaneous 50 Hz/60 Hz rejection Programmable current sources On-chip bias voltage generator Burnout currents Power supply: 2.
7 V to 5.
25 V –40°C to +105°C temperature range Independent interface power supply 16-lead TSSOP package Interface com 3-wire serial SPI®, QSPI™, MICROWIRE™,...
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