ADS-946

The low-cost ADS-946 is a 14-bit, 8MHz sampling A/D converter. This device accurately samples full-scale input signals up to Nyquist frequencies with no missing codes.

Excellent differential nonlinearity error (DNL), signal-to-noise ratio (SNR), and total harmonic distortion (THD) make the ADS-946 the ideal choice for both time-domain (CCD/FPA imaging, scanners, process control) and frequency-domain (radar, telecommunications, spectrum analysis) applications.

The functionally complete ADS-946 contains a fast-settling sample-hold amplifier, a subranging (two-pass) A/D converter, an internal reference, timing/control logic, and error-correction circuitry. Digital input and output levels are TTL. The ADS-946 only requires the rising edge of a start convert pulse to operate.

Requiring only ±5V supplies, the ADS-946 typically dissipates just 2 Watts. The device is offered with a bipolar input range of ±2V. Models are available for use in either commercial (0 to +70°C) or military (55 to +125°C) operating INNOV A TION and EX CELLENCE temperature ranges. A proprietary, auto-calibrating, errorcorrecting circuit allows the device to achieve specified performance over the full military temperature range.