0
ACTIVE
Resolution (Bits) |
18 |
Sample rate (max) (ksps) |
2000 |
Number of input channels |
8 |
Interface type |
Enhanced SPI, Serial CMOS |
Architecture |
SAR |
Input type |
Differential, Single-ended |
Multichannel configuration |
Simultaneous Sampling |
Rating |
Catalog |
Reference mode |
External, Internal |
Input voltage range (max) (V) |
12 |
Input voltage range (min) (V) |
-12 |
Features |
Over-Voltage Protection, PGA |
Operating temperature range (°C) |
-40 to 125 |
Power consumption (typ) (mW) |
220 |
Analog supply voltage (min) (V) |
4.75 |
Analog supply voltage (max) (V) |
5.25 |
SNR (dB) |
92.3 |
Digital supply (min) (V) |
1.75 |
Digital supply (max) (V) |
1.85 |
VQFN (RSH)-56-49 mm² 7 x 7
The ADS9813 is an eight-channel data acquisition (DAQ) system based on a simultaneous sampling, 18-bit successive approximation register (SAR) analog-to-digital converter (ADC). The ADS9813 features a complete analog front-end (AFE) for each channel with an input clamp. The device also features a 1MΩ input impedance and a programmable gain amplifier (PGA) with user-selectable bandwidth options. The high input impedance allows direct connection with sensors and transformers, thus eliminating the need for external driver circuits. Configure the ADS9813 to accept ±12V, ±10V, ±7V, ±5V, ±3.5V, and ±2.5V bipolar inputs with up to ±12V input common-mode voltage.
A digital interface supporting 1.2V to 1.8V operation enables the ADS9813 to be used without external voltage level translators.
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