Datasheet

MX7705
16-Bit, Low-Power, 2-Channel,
Sigma-Delta ADC
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Table 2. Peak-to-Peak Resolution vs. Gain and Output Data Rate (V
DD
= 5V)
TYPICAL PEAK-TO-PEAK RESOLUTION (BITS)
GAIN
FILTER FIRST
NOTCH AND
OUTPUT DATA RATE
-3dB FREQUENCY
1 2 4 8 16 32 64 128
BUFFERED (f
CLKIN
= 1MHz)
20Hz 5.24Hz 16 16 16 16 16 15 14 13
25Hz 6.55Hz 16 16 16 16 16 15 14 13
100Hz 26.2Hz 12 12 12 12 12 12 12 11
200Hz 52.4Hz 10 10 10 10 10 10 10 9
UNBUFFERED (f
CLKIN
= 1MHz)
20Hz 5.24Hz 16 16 16 16 16 15 14 13
25Hz 6.55Hz 16 16 16 16 16 15 14 13
100Hz 26.2Hz 12 12 12 12 12 12 12 11
200Hz 52.4Hz 10 10 10 10 10 10 10 9
BUFFERED (f
CLKIN
= 2.4576MHz)
50Hz 13.1Hz 16 16 16 16 16 15 14 13
60Hz 15.72Hz 16 16 16 16 16 15 14 13
250Hz 65.5Hz 12 12 13 12 12 12 12 11
500Hz 131Hz 10 10 11 10 10 10 10 9
UNBUFFERED (f
CLKIN
= 2.4576MHz)
50Hz 13.1Hz 16 16 16 16 16 15 14 13
60Hz 15.72Hz 16 16 16 16 16 15 14 13
250Hz 65.5Hz 12 12 12 12 12 12 12 11
500Hz 131Hz 10 10 10 10 10 10 10 9