參數(shù)資料
型號: T7570
元件分類: Codec
英文描述: T7570 Programmable PCM Codec with Hybrid-Balance Filter
中文描述: T7570可編程PCM編解碼器與混合平衡濾波器
文件頁數(shù): 14/28頁
文件大?。?/td> 567K
代理商: T7570
14
Lucent Technologies Inc.
T7570 Programmable PCM Codec
with Hybrid-Balance Filter
Data Sheet
October 1996
Electrical Characteristics
For all tests, T
A
= –40
°
C to +85
°
C, V
DD
= 5 V
±
5%, and GND = 0 V, unless otherwise noted. Typical values are for
T
A
= 25
°
C and nominal supply values.
dc Characteristics
Table 11. Digital Interface
Table 12. Power Dissipation
Parameter
Symbol
V
IL
V
IH
V
OL
Test Conditions
T
A
(
°
C)
Min
2.0
2.4
2.4
Max
0.7
0.4
0.4
Unit
V
V
V
V
V
V
Input Voltage
Low
High
Low
All digital inputs
All digital inputs
D
X
0, D
X
1, CO, I
L
= 3.2 mA
All other digital outputs, I
L
= –1 mA
D
X
0, D
X
1, CO, I
L
= 3.2 mA
Output Voltage
High
V
OH
All other digital outputs except
I
L
= –1 mA
All digital outputs, I
L
= –100
μ
A
Any digital input, GND < V
IN
< V
IL
Any digital input except MR,
V
IH
< V
IN
< V
CC
MR only
D
X
0, D
X
1, CO,
IL5—IL0 when selected as inputs,
GND < V
OUT
< V
CC
X
,
V
CC
– 0.5
–10
–10
10
10
V
Input Current
Low
High
I
IL
I
IH
μ
A
μ
A
–10
–30
–10
100
30
10
μ
A
μ
A
μ
A
Output Current
in High-
impedance
State
I
OZ
–40 to 0
0 to 85
Parameter
Powerdown Current
Symbol
I
DD
0
Test Conditions
Typ
0.3
Max
0.9
Unit
mA
CCLK, CI, CO = 0.4 V,
set as outputs with no load, all other inputs active,
power amp disabled
= 2.4 V, interface latches
Powerup Current
I
DD
1
CCLK, CI, CO = 0.4 V,
amp, interface latches set as outputs with no load
= 2.4 V, no load on power
14.0
20.0
mA
Powerdown Current
I
DD
2
CCLK, CI, CO = 0.4 V,
set as outputs with no load, all other inputs active,
power amp disabled, no load on power amp
= 2.4 V, interface latches
4.0
6.0
mA
TS
CS
CS
CS
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