T8531A/T8532 Agere Systems, Inc., T8531A/T8532 Datasheet - Page 29

• Manufacturer Part Number: T8531A/T8532
• Description: Multichannel Programmable Codec Chip Set
• Manufacturer: Agere Systems, Inc.

May 2001
Agere Systems Inc.
Transmission Characteristics
Table 14. Distortion and Group Delay
* Varies as a function of bit offset. See Appendix A.
Table 15. Crosstalk
Transmit to Transmit Crosstalk,
Transmit to Receive Crosstalk,
Receive to Transmit Crosstalk,
Receive to Receive Crosstalk,
Signal to Total Distortion
Single Frequency Distortion,
Single Frequency Distortion,
Intermodulation Distortion
TX Group Delay, Absolute
RX Group Delay, Absolute
0 dBm0 Level
0 dBm0 Level
0 dBm0 Level
0 dBm0 Level
Transmit or Receive
C-message Weighted
Transmit
Receive
Parameter
Parameter
Symbol
STD
STD
SFD
SFD
Symbol
IMD
D
D
CT
CT
CT
CT
XA
RA
X
R
X
R
R-R
X-X
X-R
R-X
(continued)
Transmit or receive, two frequencies
200 Hz
200 Hz
in the range (300 Hz to 3400 Hz)
Any channel to any other channel
Any channel to any other channel
f = 1600 Hz, SCK = 4.096 MHz,
0 dBm0 single frequency input,
0 dBm0 single frequency input,
Sinusoidal test method level:
any other single frequency
any other single frequency
Any channel to any channel
Any channel to any channel
f = 300 Hz to 3400 Hz,
f = 300 Hz to 3400 Hz,
f = 300 Hz to 3400 Hz,
f = 300 Hz to 3400 Hz,
Test Conditions
f
f
Test Conditions
IN
IN
bit offset = 419
f = 1600 Hz
3.0 dBm0
In-channel
In-channel
0 dBm0
3400 Hz; measure at
3400 Hz; measure at
Min
Min
33
36
—
—
—
—
—
—
—
—
—
—
—
250*
Typ
Typ
–55
250
—
—
—
—
—
—
—
—
—
—
Codec Chip Set
Max
Max
–75
–75
–50
–75
–50
–75
–46
–46
–41
300
300
—
—
Unit
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
s
s
29