The AD7694 is a 16-bit PulSAR® ADC with 16-bit resolution and no missing codes. It has a throughput of 250 kSPS and operates at a voltage range of 2.7 V to 5 V. The product features high precision and low power consumption, making it suitable for applications such as battery-powered equipment, data acquisition, instrumentation, medical instruments, and process control.
The AD7694 is a 16‑bit, charge‑redistribution successive‑approximation ADC that operates from a single supply of 2.7 V to 5.25 V. It offers up to 250 kSPS throughput, no missing codes, and a serial SPI‑compatible interface. The device is housed in an 8‑lead MSOP package and is rated for –40 °C to +85 °C operation.
The datasheet provides detailed specifications, timing diagrams, pin descriptions, absolute maximum ratings, layout recommendations, and ordering information. It also includes application examples such as battery‑powered equipment, data acquisition, and medical instruments.
| Resolution | 16 bits |
|---|---|
| Throughput | 250 kSPS @ 5 V |
| Supply Current | 540 pA @ 2.7 V/100 kSPS |
| Standby Current | 1 nA |
| Operating Temperature | -40 °C to +85 °C |
| Supply Voltage Range | 2.7 V to 5.25 V |
| Input Voltage Range | 0 to VDD |
| Package | 8‑lead MSOP |
The AD7694 can convert at up to 250 kSPS when VDD is between 4.75 V and 5.25 V.
The standby current is specified as 1 nA.
The device operates from 2.7 V up to 5.25 V.
It is offered in an 8‑lead MSOP package.