參數(shù)資料
型號: T8536B
元件分類: Codec
英文描述: T8535B/T8536B Quad Programmable Codec
中文描述: T8535B/T8536B四可編程編解碼器
文件頁數(shù): 28/50頁
文件大小: 929K
代理商: T8536B
28
Agere Systems Inc.
Preliminary Data Sheet
September 2001
T8535B/T8536B Quad Programmable Codec
Electrical Characteristics
(continued)
Analog Interface
The following specifications pertain to the analog SLIC interface for each channel.
Table 11. Analog Interface
Table 12. Power Dissipation
Power measurements are made at BCLK = 2.048 MHz, DCLK = 2.048 MHz, no inputs from serial interface, inter-
face latches set as outputs, and outputs unloaded.
Parameter
Symbol
R
VFxI
V
VFxI
Test Conditions
0.25 < V
IN
< (V
DDX
0.25) V.
Relative to ground.
Signal should be capacitively
coupled to VF
X
I.
Min
100
1.8
Typ
2.0
Max
300
2.2
Unit
k
V
Input Resistance
dc Input Voltage
Load Resistance at VF
R
OP
and
VF
R
O
N
(differential)
R
L
5-8881F
7.5
k
Output Resistance
R
O
Digital input code correspond-
ing to idle PCM code (
μ
-law).
Digital input code correspond-
ing to idle PCM code (
μ
-law).
R
L
= 100 k
.
2
10
Output Offset Voltage Between VF
R
OP
and
VF
R
O
N
Output Offset Voltage Between
VF
R
OP
and
VF
R
O
N, Standby Mode
Common-mode Output Voltage, Active
Mode
V
OS
100
0
100
mV
V
OSS
20
0
20
mV
V
OCM
Digital input code correspond-
ing to alternating ± zero
μ
-law
PCM code.
2.0
V
Common-mode Output Voltage, Standby
Mode
V
OCMS
1.7
2.0
2.3
V
Parameter
Symbol
I
DDS
I
DD1
I
DD1
Test Conditions
Min
Typ
22
225
90
Max
28
125
Unit
mW
mW
mW
All Channels in Standby, Dissipation for One Channel
One Channel Active, Dissipation for Active Channel
Four Channels Active, Dissipation for One Channel
R
L
R
L
R
L
R
L
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