AD7655 is a low-cost, 4-channel, 16-bit 1 MSPS PulSAR® ADC from Analog Devices.
The AD7655 is a low‑cost, simultaneous‑sampling 4‑channel 16‑bit SAR ADC that operates from a single 5 V supply. It provides up to 1 MSPS throughput in normal mode and 888 kSPS in impulse mode, with two track‑and‑hold amplifiers for simultaneous sampling of input pairs.
The document includes full electrical specifications, timing diagrams, absolute maximum ratings, pin‑out descriptions, package options and an ordering guide, allowing designers to integrate the device into motor‑control, power‑control, data‑acquisition and communication applications.
| Resolution | 16 Bits |
|---|---|
| Analog Input Voltage Range | 0 V to 5 V |
| Throughput Rate (Normal mode) | 1 MSPS |
| Power Dissipation (1 MSPS) | 120 mW typical |
| Operating Temperature Range | -40°C to +85°C |
| Package Options | 48‑lead LFCSP or LOFP |
The AD7655 can sample at up to 1 MSPS in normal mode and 888 kSPS in impulse mode.
The device operates from a single 5 V supply (AVDD = DVDD = 5 V).
It provides four input channels using two track‑and‑hold amplifiers for simultaneous sampling.