AD9691 Overview
The AD9691 is a dual, 14-bit, 1.25 GSPS analog-to-digital converter (ADC). The device has an on-chip buffer and sample-and-hold circuit designed for low power, small size, and ease of use. The device is designed for sampling wide bandwidth analog signals of up to 1.5 GHz.
AD9691 Key Features
- JESD204B (Subclass 1) coded serial digital outputs
- 1.9 W total power per channel (default settings)
- SFDR = 77 dBFS at 340 MHz
- SNR = 63.4 dBFS at 340 MHz (AIN = -1.0 dBFS)
- Noise density = -152.6 dBFS/Hz
- 1.25 V, 2.50 V, and 3.3 V dc supply operation
- No missing codes
- 1.58 V p-p differential full scale input voltage
- Flexible termination impedance
- 400 Ω, 200 Ω, 100 Ω, and 50 Ω differential