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參數(shù)資料
| 型號： | MSM7728 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 元件分類： | Codec |
| 英文描述： | Single Rail Linear CODEC |
| 中文描述： | 單軌線性編解碼器 |
| 文件頁數(shù)： | 10/23頁 |
| 文件大?。?/td> | 150K |
| 代理商： | MSM7728 |
Semiconductor
MSM7728
10/23
Transmit Analog Interface Characteristics
Receive Analog Interface Characteristics
Input Resistance
Output Load Resistance
Output Load Capacitance
Output Amplitude
Offset Voltage
R
INX
R
LGX
C
LGX
V
OGX
V
OSGX
MAIN
MAO with respect to SG
potential
10
30
—
–0.7
–20
—
—
—
—
—
—
—
30
+0.7
+20
M
W
k
W
pF
V
mV
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
(Fs = 8 kHz, V
DD
= 2.5 V to 3.6 V, Ta = –30°C to +85°C)
MAO with respect to SG potential
(DC Gain = 1)
Output Resistance
R
O
SP
R
O
ER EAR
R
O
TO TOUT
R
LSP
C
LAO
V
OAO
SPKP, SPKN
—
—
—
600
—
–1.1
—
—
10
—
—
—
10
100
—
—
50
+1.1
W
W
k
W
W
pF
V
Output open
SPKP, SPKN, EAR
SPKP, SPKN, EAR, TOUT with
respect to SG potential
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
(Fs = 8 kHz, V
DD
= 2.5 V to 3.6 V, Ta = –30°C to +85°C)
R
LER
EAR with respect to SG potential
600
—
—
W
SPKP-SPKN
Output Load Resistance
Output Load Capacitance
Output Amplitude
V
OSA
–100
—
+100
mV
Offset Voltage
ELECTRICAL CHARACTERISTICS
DC and Digital Interface Characteristics
Parameter
Power Supply Current
High Level Input Voltage
Low Level Input Voltage
High Level Input Leakage Current
Low Level Input Leakage Current
Digital Output Leakage Current
Input Capacitance
Symbol
I
DD1
I
DD2
V
IH
V
IL
I
IH
I
IL
I
O
C
IN
Condition
Operating mode,
No signal
Power-off mode
—
—
—
—
Min.
—
—
—
0.45
￥
V
DD
0.0
—
—
—
—
Typ.
20
12
70
—
—
—
—
—
5
Max.
—
—
200
V
DD
0.16
￥
V
DD
2.0
0.5
10
—
Unit
mA
mA
m
A
V
V
m
A
m
A
m
A
pF
V
DD
= 3.6 V
V
DD
= 3.0 V
(Fs = 8 kHz, V
DD
= 2.5 V to 3.6 V, Ta = –30°C to +85°C)
SYNC, BCLK, PCMIN, WRN,
RDN, CDIN, DCLK, RSTN
Digital Output High Voltage
V
OH
V
DD
– 0.2
V
LA, LED, CDOUT I
OL
= 0.4mA
LA, LED, CDOUT I
OH
= 1
m
A
Digital Output Low Voltage
V
OL
PCMOUT pull-up resistor = 500
W
0.0
0.2
0.4
V
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