msm7732a Oki Semiconductor, msm7732a Datasheet - Page 13

• Manufacturer Part Number: msm7732a
• Description: Audio Codec
• Manufacturer: Oki Semiconductor

AC Characteristics (Continued)
OKI Semiconductor
Idle Channel Noise
Absolute Signal Amplitude
Power Supply Noise Rejection
Ratio
Digital Input/Output Timing PCM
Interface
Serial Port Digital Input/Output
Setting Time
Shift Clock Frequency
*1
*2
*3
Parameter
Use the P-message weighted filter.
PCMIN input code "11010101"(A-law)
0.320 Vrms = 0 dBm0 = –7.7 dBm
"11111111"(µ-law)
Symbol
P
P
N
N
f
t
A
t
t
t
t
t
t
t
t
t
A
EXCK
SRRR
t
t
t
t
t
t
t
t
t
SRRT
SDX
SDR
XD1
RD1
XD2
RD2
XD3
RD3
M10
M11
IDLR
IDLT
M1
M2
M3
M4
M5
M6
M7
M8
M9
VT
VR
Noise Freq:
0 to 50 kHz
Freq.
1020
(Hz)
—
—
—
—
—
Condition
CL
AIN
50 mVpp
1 LSTTL
(dBm0)
100 pF
Level:
Noise
Level
=
—
—
+
0
=
50 pF
SG
Others
(V
(*1,*2)
VFRO 0.285
EXCK
Fig. 5
Fig. 6
GSX
See
See
(*1)
—
DD
= 2.4 V to 3.3 V, Ta = –40 C to +85 C)
0.285
Min.
100
30
30
50
50
50
50
40
40
20
20
—
—
—
0
0
0
0
0
0
0.320
0.320
Typ.
(*3)
(*3)
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
FEDL7732A-01-01
MSM7732A-01
0.359
0.359
Max.
–68
–72
200
200
200
200
50
50
10
—
—
—
—
—
—
—
—
—
—
—
dBm0p
Vrms
Vrms
MHz
Unit
dB
dB
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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