MC145481SDR2 Freescale Semiconductor, MC145481SDR2 Datasheet - Page 6

• Manufacturer Part Number: MC145481SDR2
• Description: IC CODEC-FILTER PCM 3V 20-SSOP
• Manufacturer: Freescale Semiconductor
• Type: PCM Codec/Filterr

Specifications of MC145481SDR2

• Data Interface: PCM Audio Interface
• Resolution (bits): 6 b
• Number Of Adcs / Dacs: 1 / 1
• Sigma Delta: No
• Voltage - Supply, Digital: 2.7 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: MC145481SDR2TR

6
+ Full Scale
+ Zero
– Zero
– Full Scale
3 /8
5 /8
7 /8
9 /8
11 /8
13 /8
15 /8
/8
Phase
Level
Sign Bit
Sign Bit
1
1
0
0
0
0
0
0
1
1
1
1
Freescale Semiconductor, Inc.
For More Information On This Product,
Table 1. PCM Codes for Zero and Full Scale
Chord Bits
Chord Bits
Mu–Law
Mu–Law
0 0 0
1 1 1
1 1 1
0 0 0
0 0 1
0 0 0
0 0 0
0 0 1
0 0 1
0 0 0
0 0 0
0 0 1
Table 2. PCM Codes for Digital mW
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Step Bits
Step Bits
0 0 0 0
1 1 1 1
1 1 1 1
0 0 0 0
1 1 1 0
1 0 1 1
1 0 1 1
1 1 1 0
1 1 1 0
1 0 1 1
1 0 1 1
1 1 1 0
Sign Bit
Sign Bit
1
1
0
0
0
0
0
0
1
1
1
1
Chord Bits
Chord Bits
A–Law
A–Law
0 1 0
1 0 1
1 0 1
0 1 0
0 1 1
0 1 0
0 1 0
0 1 1
0 1 1
0 1 0
0 1 0
0 1 1
Step Bits
Step Bits
1 0 1 0
0 1 0 1
0 1 0 1
1 0 1 0
0 1 0 0
0 0 0 1
0 0 0 1
0 1 0 0
0 1 0 0
0 0 0 1
0 0 0 1
0 1 0 0