SI3220-GQ Silicon Laboratories Inc, SI3220-GQ Datasheet - Page 78

• Manufacturer Part Number: SI3220-GQ
• Description: IC SLIC/CODEC DUAL-CH 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: ProSLIC®r

Specifications of SI3220-GQ

• Function: Subscriber Line Interface Concept (SLIC), CODEC
• Interface: GCI, PCM, SPI
• Number Of Circuits: 2
• Voltage - Supply: 3.3V, 5V
• Current - Supply: 65mA
• Power (watts): 941mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: *
• Includes: Battery Switching, BORSCHT Functions, DTMF Generation and Decoding, FSK Tone Generation, Modem and Fax Tone Detection
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Si3220/Si3225
78
Segment
Number
7
6
5
4
3
2
1
Notes:
1. Characteristics are symmetrical about analog zero with sign bit = 0 for negative values.
2. Digital code includes inversion of even-numbered bits. Other available formats include inversion of odd bits, inversion
of all bits, or no bit inversion. See "PCM Companding" on page 75 for more details.
#intervals X interval size
16 X 128
16 X 64
16 X 32
16 X 16
16 X 8
16 X 4
32 X 2
Table 42. A-Law Encode-Decode Characteristics
Value at segment endpoints
4096
3968
.
.
2176
2048
.
.
.
1088
1024
.
.
.
544
512
.
.
.
272
256
.
.
.
136
128
.
.
.
68
64
.
.
.
2
0
Rev. 1.0
Digital Code
10101010b
10100101b
10110101b
10000101b
10010101b
11100101b
11110101b
11010101b
1,2
Decode Level
4032
2112
1056
528
264
132
66
1