MC145481DWR2 Freescale, MC145481DWR2 Datasheet - Page 6

• Manufacturer Part Number: MC145481DWR2
• Manufacturer: Freescale
• Type: PCMr

Specifications of MC145481DWR2

• Number Of Channels: 1
• Gain Control: Adjustable
• Number Of Adc's: 1
• Number Of Dac's: 1
• Adc/dac Resolution: 13b
• Package Type: SOIC W
• Sample Rate: 8KSPS
• Number Of Adc Inputs: 1
• Number Of Dac Outputs: 1
• Operating Supply Voltage (min): 2.7V
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 20
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Not Compliant

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
Go to: www.freescale.com
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