參數(shù)資料
型號(hào): MSM7540L
廠商: OKI SEMICONDUCTOR CO., LTD.
元件分類(lèi): Codec
英文描述: Single Rail ADPCM CODEC
中文描述: 單軌差分PcM編解碼器
文件頁(yè)數(shù): 8/15頁(yè)
文件大?。?/td> 131K
代理商: MSM7540L
8/15
MSM7540L/7560L
Semiconductor
ABSOLUTE MAXIMUM RATINGS
Parameter
Power Supply Voltage
Analog Input Voltage
Digital Input Voltage
Storage Temperature
Symbol
V
DD
V
AIN
V
DIN
T
STG
Condition
Rating
–0.3 to +5
–0.3 to V
DD
+ 0.3
–0.3 to V
DD
+ 0.3
–55 to +150
Unit
V
V
V
°C
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
V
DD
Ta
Condition
Min.
2.7
–25
Typ.
+25
Max.
3.6
+75
Unit
V
°C
Power Supply Voltage
Operating Temperature
Voltage must be fixed
MCK, XSYNC, RSYNC, PCMRI,
PCMSI, BCLKA, BCLKB, IR,
LPS, PDN, RES
MCK, XSYNC, RSYNC, PCMRI,
PCMSI, BCLKA, BCLKB, IR,
LPS, PDN, RES
MCK
BCLKA
BCLKB
XSYNC, RSYNC
MCK, BCLKA, BCLKB
MCK, XSYNC, RSYNC, PCMRI,
PCMSI, BCLKA, BCLKB, IR,
LPS, PDN, RES
MCK, XSYNC, RSYNC, PCMRI,
PCMSI, BCLKA, BCLKB, IR,
LPS, PDN, RES
BCLKA, BCLKB to XSYNC
XSYNC to BCLKA, BCLKB
BCLKA, BCLKB to RSYNC
RSYNC to BCLKA, BCLKB
XSYNC, RSYNC
IS (Pull-up Resistor)
IS, PCMSO, PCMRO
SG
GND
Input High Voltage
V
IH
0.45
V
DD
V
DD
V
Input Low Voltage
V
IL
0
0.16
V
DD
V
Master Clock Frequency
f
MCK
f
BCKA
f
BCKB
f
SYMC
D
C
0.01%
32
64
30
10.368
8.0
50
+
0.01%
2048
2048
70
MHz
kHz
kHz
kHz
%
Bit Clock Freqency
Synchronous Signal Frequency
Clock Duty Ratio
Digital Input Rise Time
t
Ir
50
ns
Digital Input Fall Time
t
If
50
ns
Transmit Sync Signal Setting Time
t
XS
t
XS
t
RS
t
SR
t
WS
t
DS
t
DH
R
DL
C
DL
C
SG
100
100
100
100
1 BCLK
100
100
500
100
100
ns
ns
ns
ns
m
s
ns
ns
W
pF
m
F
Receive Sync Signal Setting Time
Synchronous Signal Width
PCM, ADPCM Set-up Time
PCM, ADPCM Hold Time
Digital Output Load
Bypass Capacitor for SG
10+0.1
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MSM7540 Single Rail ADPCM CODEC
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