參數(shù)資料
型號: PEF2466-H
元件分類: Codec
英文描述: A-Law/u-Law CODEC
中文描述: A-Law/u-Law編解碼器
文件頁數(shù): 56/73頁
文件大?。?/td> 1618K
代理商: PEF2466-H
PEB 2466
PEF 2466
Electrical Characteristics and Timing Diagrams
Hardware Reference Manual
47
2001-02-20
8.2
Operating Range
V
DD
= 5 V
±
5%; GNDD = 0 V; GNDA = 0 V;
T
A
= 0
°
C to +70
°
C (PEF 2466: -40
°
C to +85
°
C)
Parameter
Symbol
Limit Values
min.
typ. max.
Unit
Test Condition
V
DD
supply current:
Standby (PEB 2466)
Standby (PEF 2466)
1 channel operating
2 channels operating
3 channels operating
4 channels operating
Power supply rejection
ratio (either direction)
I
DD
FSC = 8 kHz,
PCLK = MCLK =
2.048 MHz,
no loads,
PCM idle codes,
V
IN
= 0V.
0.5
0.5
14
18
22
26
1.0
1.5
25
30
35
40
mA
mA
mA
mA
mA
mA
PSRR
30
dB
Ripple: sine wave
1014 Hz, 70 mVrms,
on every supply pin,
AGX=AGR=AX=AR=0dB
(see
Chapter 4.2.4
)
8.3
Digital Interface
V
DD
= 5 V ± 5%; GNDD = 0 V; GNDA = 0 V
T
A
= 0
°
C to +70
°
C (PEF 2466: -40
°
C to +85
°
C);
Parameter
Symbol
Limit Values
min.
Unit
Test Condition
max.
Input voltages:
Low level
High level
V
IL
V
IH
0.3
2.0
0.8
V
V
Output voltages:
Low level
Low level
High level
High level
High level
V
OL
V
OL
V
OH
V
OH
V
OH
V
IL
0.45
0.8
V
V
V
V
V
μA
I
OL
=
2 mA
I
OL
=
5 mA
I
OH
= 0.4 mA
I
OH
= 2 mA
I
OH
= 5 mA
0.3
V
IN
V
DD
4.4
4.0
2.4
Input leakage current
±
1
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