AD7328 is an 8-channel, 12-bit, plus sign, successive approximation ADC designed on the iCMOS (industrial CMOS) process.
The AD7328 from Analog Devices is an 8‑channel, 12‑bit plus‑sign successive‑approximation ADC. It offers true bipolar input ranges that can be software‑selected (+10 V, +5 V, +2.5 V, or 0 V to +10 V) and supports single‑ended, true differential, and pseudo‑differential configurations. The device operates from a 2.5 V internal reference (or an external reference) and provides a high‑speed serial interface capable of up to 1 MSPS conversion rate.
Key features include a 20‑lead TSSOP package, low power consumption (30 mW in normal mode), a full‑power bandwidth of 22 MHz, and extensive protection features such as ESD tolerance and over‑temperature ratings. Detailed specifications, timing diagrams, pin configurations, and recommended layout guidelines are provided throughout the document.
| Maximum Throughput Rate | 1 MSPS |
|---|---|
| Full Power Bandwidth | 22 MHz |
| Power Consumption (Normal Mode) | 30 mW |
| Input Voltage Ranges | +10 V, +5 V, +2.5 V, 0 V to +10 V |
| Package | 20‑lead TSSOP |
The AD7328 can operate at up to 1 MSPS throughput rate.
It provides eight analog input channels.
The device is rated for –40 °C to +85 °C.
Yes, it includes a 2.5 V internal reference and also supports an external reference.