16 bit 模数转换器
TM7705
See Tables I and
III
Dependson Filter Cutoffs and
Selected Gain
Output Noise
%of FSR Filter Notch < 60 Hz. Typically
Integral Nonlinearity2 ±0.003
max
0.0003%
Unipolar Offset Error See Note3
Unipolar Offset Drift4 0.5
μV/℃ typ
Bipolar Zero Error
Bipolar Zero Drift4
See Note 3
0.5
0.1
For Gains1,2and4
μV/℃ typ
μV/℃ typ
For Gains8,16,32,64and128
Positive
Error5
Full-Scale
See Note3
Full-Scale Drift4.6
Gain Error7
0.5
μV/℃ typ
See Note3
ppm of
FSR/ ℃
typ
Gain Drift4.8
0.5
%of
Bipolar Negative Full
-Scale Error2
±0.003
Typically±0.001%
FSR/℃
typ
Bipolar Negative Full
-Scale Drift4
1
For Gains of 1 to 4
μV/℃typ
μV/℃ typ
0.6
For Gains of 8 to 128
Specifications for AIN and
REF IN UnlessNoted
ANALOG INPUTS/REFERENCE INPUTS
Input Common-Mode Rejection(CMR)2
VDD=5V
Gain=1
96
dB typ
dB typ
dB typ
dB typ
Gain=2
105
110
130
Gain=4
Gain=8 128
VDD=3V
Gain=1
105
110
120
130
dB typ
dB typ
dB typ
dB typ
Gain=2
Gain=4
Gain=8 128
Normal-Mode50Hz
Rejection2
For Filter Notches of
25Hz,50Hz,±0.02×fNOTCH
For Filter Notches of
20Hz,60Hz,±0.02×fNOTCH
98
dB typ
dB typ
dB typ
dB typ
Normal-Mode60Hz
Rejection2
98
Common-Mode 50Hz
Rejection2
For
25Hz,50Hz,±0.02×fNOTCH
For Filter Notches
Filter
Notches
of
of
150
150
Common-Mode 60Hz
Rejection2
20Hz,60Hz,±0.02×fNOTCH
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