CS5532-BS Cirrus Logic Inc, CS5532-BS Datasheet - Page 39

• Manufacturer Part Number: CS5532-BS
• Description: IC, ADC, 24BIT, 3.84KSPS, SSOP-20
• Manufacturer: Cirrus Logic Inc

Specifications of CS5532-BS

• Resolution (bits): 24bit
• Sampling Rate: 3.84kSPS
• Input Channel Type: Differential
• Data Interface: 3-Wire, Serial
• Supply Current: 13mA
• Digital Ic Case Style: SSOP
• No. Of Pins: 20
• Rohs Compliant: No

2.8.1. Conversion Data Output Descriptions
CS5531/33 (16-BIT CONVERSIONS)
CS5532/34 (24-BIT CONVERSIONS)
DS289PP5
D31(MSB) D30
D31(MSB) D30
>(VFS-1.5 LSB)
Table 4. Output Coding for 16-bit CS5531 and CS5533
Unipolar Input
VFS/2-0.5 LSB
VFS-1.5 LSB
<(+0.5 LSB)
MSB
MSB
D15
D15
+0.5 LSB
Voltage
0
7
Conversion Data Bits [31:16 for CS5531/33; 31:8 for CS5532/34]
NU (Not Used) [15:3 for CS5531/33; 7:3 for CS5532/34]
OF (Over-range Flag Bit) [2]
CI (Channel Indicator Bits) [1:0]
0
1
00
01
10
11
D14
D14
14
22
0
6
Binary
Offset
FFFF
FFFF
FFFE
7FFF
8000
0001
0000
0000
------
------
------
D29
D13
D29
D13
13
21
0
5
These bits depict the latest output conversion.
These bits are masked logic zero.
Bit is clear when over-range condition has not occurred.
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).
These bits indicate which physical input channel was converted.
Physical Channel 1
Physical Channel 2
Physical Channel 3
Physical Channel 4
<(-VFS+0.5 LSB)
>(VFS-1.5 LSB)
-VFS+0.5 LSB
D28
D12
D28
D12
Bipolar Input
VFS-1.5 LSB
12
20
0
4
-0.5 LSB
Voltage
D27
D11
D27
D11
19
11
0
3
D26
D10
D26
D10
10
18
Complement
0
2
Two's
7FFF
7FFF
7FFE
FFFF
0000
8001
8000
8000
------
------
------
D25
D25
D9
D9
17
9
0
1
LSB
D24
D24
D8
D8
16
8
0
Table 5. Output Coding for 24-bit CS5532 and CS5534
>(VFS-1.5 LSB) FFFFFF >(VFS-1.5 LSB)
Unipolar Input
VFS/2-0.5 LSB 800000
D23
D23
VFS-1.5 LSB
D7
D7
15
<(+0.5 LSB)
7
0
0
+0.5 LSB
Voltage
D22
D22
D6
D6
14
6
0
0
D21
D21
D5
D5
FFFFFF
FFFFFE
13
7FFFFF
000001
000000
000000 <(-VFS+0.5 LSB)
Binary
5
0
0
Offset
------
------
------
D20
D20
D4
D4
12
4
0
0
-VFS+0.5 LSB
Bipolar Input
VFS-1.5 LSB
CS5531/32/33/34
-0.5 LSB
Voltage
D19
D19
D3
D3
11
3
0
0
D18
D18
OF
OF
D2
D2
10
2
Complement
D17
D17
CI1
CI1
D1
D1
7FFFFE
FFFFFF
7FFFFF
7FFFFF
000000
800001
800000
800000
1
9
Two's
------
------
------
LSB
D16
D16
CI0
CI0
D0
D0
8
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