CS5532-BS 查看數據表（PDF） - Cirrus Logic
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CS5532-BS Datasheet PDF : 50 Pages
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CS5532/34-BS
Table 4. Output Coding for 24-bit CS5532 and CS5534
Unipolar Input
Voltage
>(VFS-1.5 LSB)
VFS-1.5 LSB
VFS/2-0.5 LSB
+0.5 LSB
<(+0.5 LSB)
Offset
Binary
FFFFFF
FFFFFF
------
FFFFFE
800000
------
7FFFFF
000001
------
000000
000000
Bipolar Input
Voltage
>(VFS-1.5 LSB)
VFS-1.5 LSB
-0.5 LSB
-VFS+0.5 LSB
<(-VFS+0.5 LSB)
Two's
Complement
7FFFFF
7FFFFF
------
7FFFFE
000000
------
FFFFFF
800001
------
800000
800000
2.8.1. Conversion Data Output Descriptions
D31(MSB) D30 D29 D28 D27 D26 D25 D24 D23 D22 D21 D20 D19 D18 D17 D16
MSB 22 21 20 19 18 17 16 15 14 13 12 11 10 9
8
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
7
6
5
4
3
2
1 LSB 0
0
0
0
0 OF CI1 CI0
Conversion Data Bits [31:8]
These bits depict the latest output conversion.
NU (Not Used) [7:3]
These bits are masked logic zero.
OF (Over-range Flag Bit) [2]
0
Bit is clear when over-range condition has not occurred.
1
Bit is set when input signal is more positive than the positive full scale, more negative than zero (unipolar
mode) or when the input is more negative than the negative full scale (bipolar mode).
CI (Channel Indicator Bits) [1:0]
These bits indicate which physical input channel was converted.
00
Physical Channel 1
01
Physical Channel 2
10
Physical Channel 3
11
Physical Channel 4
DS755F3
37
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