CS4373

www.DataSheet4U.com CS4373 Low-power, High-performance ∆Σ Test DAC 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 Description The CS4373 is a differential output digital-toanalog 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. The CS4373 includes a set of multiplexed outputs which provide a precision output (OUT±) for testing the electronics channel and a buffered output (BUF±) for in-circuit sensor tests. It is driven by a ∆Σ bitstream and the maximum analog output is differential 5 volts peak-to-peak. Distortion performance of the DAC is typically -118 dB THD from the precision output, and -100 dB THD from the buffered output. Noise performance is 114 dB SNR over a 430 Hz bandwidth. The CS4373 has very low power consumption. In normal mode (LPWR=0; MCLK=2.048 MHz), power consumption is 40 mW; while in Low Power mode (LPWR=1; MCLK=1.024 MHz), power consumption is 25 mW. ORDERING INFORMATION See page 19. 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...