AD650AD

AD650 is a voltage-to-frequency or frequency-to-voltage converter. It provides a combination of high frequency operation and low nonlinearity previously unavailable in monolithic form. The inherent monotonicity of the V/F transfer function makes the device useful as a high-resolution analogue-to-digital converter. A flexible input configuration allows a wide variety of input voltage and current formats to be used, and an open-collector output with separate digital ground allows simple interfacing to either standard logic families or opto-couplers. The input signal range and full-scale output frequency are user programmable with two external capacitors and one resistor. Input offset voltage can be trimmed to zero with an external potentiometer.

• Reliable monolithic construction
• Nonlinearity is 0.002% typ at 10kHz, 0.005% typ at 100kHz
• Input offset trimmable to zero
• CMOS- or TTL-compatible
• Unipolar, bipolar, or differential, V/F V/F or F/V conversion
• Gain tempco is 150 max
• 1MHz linearity is 0.1% typ
• Operating temperature range is −25°C to +85°C
• Packaging style is 14-lead side-brazed ceramic dual in-line package [SBDIP]

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ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party