
Cirrus Logic
Description
The CS5371 and CS5372 are one- and two-channel, high dynamic range, fourth-order ∆Σ modulators intended for geophysical and sonar applications. Used in combination with the CS5376A or CS5378 digital filters, a unique high-resolution A/D measurement system results.
FEATUREs
●Fourth-order ∆Σ Architecture
●Clock-jitter-tolerant Architecture
●Input Voltage: 5 Vpp Fully Differential
●High Dynamic Range
♦ 127 dB SNR @ 215 Hz BW (2 ms Output)
♦ 124 dB SNR @ 430 Hz BW (1 ms Output)
●Low Total Harmonic Distortion
♦ -118 dB THD Typical, -112 dB THD Maximum
●Low Power Consumption
♦ Normal Mode: 25 mW per Channel
♦ Low-power Mode: 15 mW per Channel
●Small Footprint, 24-pin SSOP Package
●Single- or Multi-channel System Support
♦ 1-channel System: CS5371
♦ 2-channel System: CS5372
♦ 3-channel System: CS5371 + CS5372
♦ 4-channel System: CS5372 + CS5372
●Single or Dual Power Supply Configurations
♦ 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