Rainbow Electronics MX7705 User Manual
Page 9
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MX7705
16-Bit, Low-Power, 2-Channel,
Sigma-Delta ADC
_______________________________________________________________________________________
9
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
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