AD73311 is a 16-bit A/D converter and 16-bit D/A converter with low cost, low power and easy to use. It has programmable input/output sample rates, 75 dB ADC SNR, 70 dB DAC SNR, 64 kS/s maximum sample rate, -90 dB crosstalk, low group delay (25 μs Typ per ADC Channel, 50 μs Typ per DAC Channel), programmable input/output gain, flexible serial port, allows up to 8 devices to be cascaded connected, single (+2.7 V to +5.5 V) supply operation, 50 mW maximum power consumption, 2.7 V On-Chip Reference, 20-Lead SOIC/SSOP package.
The AD73311 is a low‑cost, low‑power CMOS analog front‑end processor offering 16‑bit A/D and D/A conversion, programmable gain, and a flexible serial port for cascading up to eight devices. It operates from a single supply of +2.7 V to +5.5 V and consumes up to 50 mW.
The document provides full electrical specifications, timing characteristics, pin configurations, and performance graphs for both 3 V and 5 V supply options, along with ordering information and application notes for speech processing and telephony.
| A/D Resolution | 16‑bit |
|---|---|
| D/A Resolution | 16‑bit |
| Maximum Sample Rate | 64 kS/s |
| Supply Voltage Range | +2.7 V to +5.5 V |
| Maximum Power Consumption | 50 mW (at 2.7 V) |
| Operating Temperature Range | -40 °C to +85 °C |
The device operates from –40 °C to +85 °C.
The power‑supply rejection is –55 dB.
Up to eight devices can be connected in cascade.
The typical gain is about 70 dB for the ADC at 0 dB PGA.