Description

The CS4373 is a differential output digital-to-analog converter intended for high-resolution, low-frequency measurement systems. It is designed to work with the CS5376A and CS5378 digital filters, the CS3301 and CS3302 high-precision amplifiers, and the CS5371 or CS5372 high-performance ∆Σ modulators

Features

• Digital ∆Σ Input, Differential Analog Output

• Selectable Differential Outputs (OUT±, BUF±)

• Selectable Output Attenuation

- 1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64

• User-programmable Test Modes

- Differential

- Common mode

• Output Voltage: 5 VP-P Differential

• Outstanding Noise Performance

- 114 dB SNR @ 430 Hz bandwidth

• Low Total Harmonic Distortion

- OUT±: -118 dB THD typical, -112 dB THD max

- BUF±: -100 dB THD typical, -95 dB THD max

• Low Power Consumption

- Normal mode: 7.8 mA

- Low power mode: 5.0 mA

- Power down: 400 µA

- Sleep mode: 2 µA

• Power Supply Options

- VA+ = +5 V; VA- = 0 V; VD = +3.3 V to +5 V

- VA+ = +2.5 V; VA- = -2.5 V; VD = +3.3 V