T8531-TL-DB Agere Systems, Inc., T8531-TL-DB Datasheet - Page 25

• Manufacturer Part Number: T8531-TL-DB
• Description: Multichannel programmable codec chip set. Dry pack tray.
• Manufacturer: Agere Systems, Inc.

November 2000
Lucent Technologies Inc.
Electrical Characteristics
dc Characteristics
Table 10. T8532 Power Dissipation
Table 11. T8531 Power Dissipation
* Powerup current exhibits a negative temperature coefficient.
Transmission Characteristics
Table 12. Gain and Dynamic Range
Powerdown Current
Powerup Current
Powerdown Current
Powerup Current
Absolute
Transmit Gain
Transmit Gain
Levels
Absolute
Accuracy
Variation with
Programmed
Gain
Parameter
Parameter
Parameter
Symbol
GXAG
GXA
GAL
(continued)
Symbol
Symbol
IDD0
IDD1
IDD0
IDD1
0 dBm0 test level, measured deviation of digital code
from ideal 0 dBm0 level at OSDX[1:0] digital outputs,
(T8532 RX gain = –12.04 dB; T8531 gain = 0.21 dB)
mum to minimum, calculated deviation from the pro-
(T8532 TX gain =12.04 dB; T8531 gain = –1.65 dB)
Measured transmit gain over the range from maxi-
(T8532 RX gain = 6.02 dB; T8531 gain = 0.21 dB)
(T8532 TX gain = 0 dB; T8531 gain = –1.65 dB)
OSCK and OSFS present, 8 channels powered down
SCK and SFS present, 16 channels powered up and
Transmit gain programmed for maximum
OSCK and OSFS present, 8 channels powered up,
SCK and SFS present, 16 channels powered down
grammed gain relative to GXA at 0 dB:
(continued)
Maximum 0 dBm0 levels (1.02 kHz):
Minimum 0 dBm0 levels (1.02 kHz):
VRP—VRN (decoder milliwatt)
with transmit gain set to 0 dB:
Termination impedance off
Termination impedance off
VTX (encoder milliwatt)
Test Conditions
–40 C to +85 C
0 C to 85 C
VRP—VRN
V
normal operation
Test Conditions
DD
Test Conditions
VTX
and inactive
= 5 V
active
–0.25
–0.30
–0.1
Min
—
—
—
—
Min
Min
—
—
—
—
557.0
548.0
2.23
4.38
Typ
Codec Chip Set
—
—
—
Typ
Typ
85*
50
61
9
Max
0.25
0.30
0.1
Max Unit
—
—
—
—
Max Unit
100
60
12
88
mVp-p
mVp-p
Vp-p
Vp-p
Unit
mA
mA
dB
dB
dB
mA
mA
25