CDB5532U Cirrus Logic Inc, CDB5532U Datasheet - Page 37

• Manufacturer Part Number: CDB5532U
• Description: BOARD EVAL FOR CS5532U ADC
• Manufacturer: Cirrus Logic Inc

Specifications of CDB5532U

• Number Of Adc's: 2
• Number Of Bits: 24
• Sampling Rate (per Second): 3.84k
• Data Interface: Serial
• Inputs Per Adc: 1 Differential
• Input Range: ±2.5 V
• Power (typ) @ Conditions: 35mW @ 3.84kSPS
• Voltage Supply Source: Analog and Digital, Dual ±
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: CS5532
• Description/function: Audio DSPs
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• For Use With/related Products: C8051F320
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1159

2.8.1. Conversion Data Output Descriptions
DS755F3
D31(MSB) D30
MSB
D15
7
NU (Not Used) [7:3]
OF (Over-range Flag Bit) [2]
CI (Channel Indicator Bits) [1:0]
Conversion Data Bits [31:8]
0
1
00
01
10
11
D14
22
6
D29
D13
21
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-1.5 LSB)
Unipolar Input
VFS/2-0.5 LSB
D28
D12
VFS-1.5 LSB
20
<(+0.5 LSB)
4
+0.5 LSB
Voltage
Table 4. Output Coding for 24-bit CS5532 and CS5534
D27
D11
19
3
D26
D10
18
2
FFFFFF
FFFFFF
FFFFFE
7FFFFF
800000
000001
000000
000000
Binary
Offset
------
------
------
D25
D9
17
1
<(-VFS+0.5 LSB)
>(VFS-1.5 LSB)
D24
LSB
-VFS+0.5 LSB
D8
16
Bipolar Input
VFS-1.5 LSB
-0.5 LSB
Voltage
D23
D7
15
0
D22
D6
14
0
Complement
D21
7FFFFF
7FFFFE
FFFFFF
7FFFFF
000000
800001
800000
800000
D5
13
Two's
0
------
------
------
D20
D4
12
0
D19
D3
11
0
CS5532/34-BS
D18
OF
D2
10
D17
CI1
D1
9
D16
CI0
D0
8
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