The CS5371A is a single-channel, high dynamic range, fourth-order Delta Sigma modulator intended for geophysical and sonar applications. Used in combination with the CS5376A digital filter, a unique high-resolution analog-to-digital measurement system results. The CS5371A provides higher dynamic range and lower total harmonic distortion than our industry standard CS5321 modulator, while consuming significantly less power per channel. The modulator generates an oversampled serial bit-stream at 512 K bits per second when operated from a clock frequency of 2.048 MHz. The CS5371A is available in a small, 24-pin SSOP package, providing exceptional performance in a very small footprint. In normal mode, power consumption is 25 mW per channel, in sleep mode power consumption is 1 mW per channel and by halting the input clock to the modulators the device enters a power-down mode of only 10 µW per channel.
Features
24-bit analog-to-digital conversion
Fourth-order Delta Sigma architecture
Clock-jitter-toleran
t architecture
Input voltage range 5 Vp-p differential
High dynamic range (signal-to-noise ratio)
127 dB at 215 Hz bandwidth (2 ms sampling)
124 dB at 430 Hz bandwidth (1 ms sampling)
Low Total Harmonic Distortion (THD)
-118 dB THD typical
-112 dB THD max
Dual power supply configuration
VA+ = 2.5 V; VA- = -2.5 V; VD = 3.3 V
Low-power consumption
Normal mode: 25 mW per channel
Sleep mode: 1 mW
Power-down mode: 10 µW
Package: 24-pin SSOP; lead-free assembly
The CS5371A is a single-channel, high dynamic range, fourth-order Delta Sigma modulator intended for geophysical and sonar applications. Used in combination with the CS5376A digital filter, a unique high-resolution analog-to-digital measurement system results. The CS5371A provides higher dynamic range and lower total harmonic distortion than our industry standard CS5321 modulator, while consuming significantly less power per channel. The modulator generates an oversampled serial bit-stream at 512 K bits per second when operated from a clock frequency of 2.048 MHz. The CS5371A is available in a small, 24-pin SSOP package, providing exceptional performance in a very small footprint. In normal mode, power consumption is 25 mW per channel, in sleep mode power consumption is 1 mW per channel and by halting the input clock to the modulators the device enters a power-down mode of only 10 µW per channel.
Features
- 24-bit analog-to-digital conversion
- Fourth-order Delta Sigma architecture
- Clock-jitter-tolerant architecture
- Input voltage range 5 Vp-p differential
- High dynamic range (signal-to-noise ratio)
- 127 dB at 215 Hz bandwidth (2 ms sampling)
- 124 dB at 430 Hz bandwidth (1 ms sampling)
- Low Total Harmonic Distortion (THD)
- -118 dB THD typical
- -112 dB THD max
- Dual power supply configuration
- VA+ = 2.5 V; VA- = -2.5 V; VD = 3.3 V
- Low-power consumption
- Normal mode: 25 mW per channel
- Sleep mode: 1 mW
- Power-down mode: 10 µW
- Package: 24-pin SSOP; lead-free assembly
