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