MSM7508B Datasheet, PDF (7/17 Pages) OKI electronic componets – Single Rail CODEC

¡ Semiconductor
MSM7508B/7509B
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
Unit
0 to 7
V
–0.3 to V_DD + 0.3
V
–0.3 to V_DD + 0.3
V
–55 to +150
°C
RECOMMENDED OPERATING CONDITIONS
Parameter
Power Supply Voltage
Operating Temperature
Analog Input Voltage
Symbol
Condition
V_DD Voltage must be fixed
Ta
—
V_AIN Connect AIN– and GSX
Min.
4.75
–10
—
Typ.
5.0
+25
—
Max.
5.25
+70
2.4
Unit
V
°C
V_PP
Input High Voltage
Input Low Voltage
V_{IH XSYNC, RSYNC, BCLOCK,}
PCMIN, PDN
V_IL
2.2
—
V_DD
V
0
—
0.8
V
64, 128, 256, 512, 1024,
Clock Frequency
F_C BCLOCK
2048, 96, 192, 384, 768,
kHz
1536, 1544, 200
Sync Pulse Frequency
F_S XSYNC, RSYNC
7.0
8.0
10.0 kHz
Clock Duty Ratio
D_C BCLOCK
40
50
60
%
Digital Input Rise Time
t_Ir XSYNC, RSYNC, BCLOCK,
—
—
50
ns
Digital Input Fall Time
t_If PCMIN, PDN
—
—
50
ns
Transmit Sync Pulse Setting Time ^{tXS BCLOCKÆXSYNC, See Timing Diagram 100}
—
t_SX XSYNCÆBCLOCK, See Timing Diagram 100
—
—
ns
—
ns
Receive Sync Pulse Setting Time
t_RS BCLOCKÆRSYNC, See Timing Diagram 100
—
t_SR RSYNCÆBCLOCK, See Timing Diagram 100
—
—
ns
—
ns
Sync Pulse Width
t_WS XSYNC, RSYNC
1 BCLK —
100 ms
PCMIN Set-up Time
t_DS
—
100
—
—
ns
PCMIN Hold Time
t_DH
—
100
—
—
ns
Analog Output Load
AOUT
R_{AL GSX}
20
—
— kW
20
—
— kW
C_AL AOUT, GSX
—
—
100 pF
Digital Output Load
R_DL Pull-up resistor
C_DL
—
0.5
—
— kW
—
—
100 pF
Transmit gain stage, Gain = 1 –100
—
+100 mV
Analog Input Allowable DC Offset V_{off Transmit gain stage, Gain = 10 –10}
—
+10 mV
Allowable Jitter Width
— XSYNC, RSYNC, BCLOCK
—
—
500 ns
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