ADS1208 is a 2nd-order ∆Σ analog-to-digital converter (ADC) from Texas Instruments. It operates at a clock rate of 10MHz and has a specified input range of ±100mV. It is optimized for current measurement with a Hall sensor, especially in motor control applications.
The ADS1208 is a 2nd-order delta-sigma modulator operating at a 10MHz clock rate, optimized for current measurement with Hall sensors, especially in motor control applications. It features a specified input range of +/-100mV and includes a programmable current source for sensor biasing.
| Resolution | 16 Bits |
|---|---|
| Full-scale range | 125 mV |
| Common-mode rejection | 95 dB |
| Output current | 1.0 to 8.0 mA |
| Reference output voltage | 2.5 V |
| Operating supply current (Mode 3) | 1.3 to 2.0 mA |
The specified input range is +/-100mV.
It is optimized for current measurement with Hall sensors, especially in motor control applications.
The external clock frequency for Mode 3 ranges from 1.0 MHz to 24.0 MHz.