0
ACTIVE
Resolution (Bits) |
12 |
Sample rate (max) (ksps) |
1000 |
Number of input channels |
8 |
Interface type |
SPI |
Architecture |
SAR |
Input type |
Single-ended |
Multichannel configuration |
Multiplexed |
Rating |
Catalog |
Reference mode |
Supply |
Input voltage range (max) (V) |
5.5 |
Input voltage range (min) (V) |
0 |
Features |
Comparator, GPIO, Oscillator, Small Size |
Operating temperature range (°C) |
-40 to 125 |
Power consumption (typ) (mW) |
1.5 |
Analog supply voltage (min) (V) |
2.35 |
Analog supply voltage (max) (V) |
5.5 |
SNR (dB) |
73.1 |
Digital supply (min) (V) |
1.65 |
Digital supply (max) (V) |
5.5 |
WQFN (RTE)-16-9 mm² 3 x 3
The ADS7038 is an easy-to-use, 8-channel, multiplexed, 12-bit, successive approximation register analog-to-digital converter (SAR ADC). The eight channels can be independently configured as either analog inputs, digital inputs, or digital outputs. The device has an internal oscillator for the ADC conversion process.
The ADS7038 communicates through an SPI-compatible interface and operates in either autonomous or single-shot conversion mode. The ADS7038 implements the analog watchdog function by event-triggered interrupts per channel using a digital window comparator with programmable high and low thresholds, hysteresis, and an event counter. The ADS7038 has a built-in cyclic redundancy check (CRC) for data read/write operations and the power-up configuration.
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