參數(shù)資料
型號: MSM7590L-01
廠商: OKI SEMICONDUCTOR CO., LTD.
元件分類: Codec
英文描述: Multi-Function ADPCM CODEC
中文描述: 多功能差分PcM編解碼器
文件頁數(shù): 14/26頁
文件大?。?/td> 173K
代理商: MSM7590L-01
14/26
Semiconductor
MSM7590L-01
Digital Output
Delay Time
PCM and ADPCM
Interface
t
SDX
t
SDR
t
XD1
t
RD1
0
0
200
200
0
200
t
XD2
t
RD2
0
200
ns
ns
1 LSTTL + 100 pF,
pull-up: 500
W
P
SRRT
P
SRRR
Noise Freq.
: 0 to 50 kHz
30
30
dB
dB
Power Supply Noise
Rejection Ratio
Noise Level
: 50 mV
PP
t
XD3
t
RD3
t
M1
t
M2
t
M3
t
M4
t
M5
t
M6
t
M7
t
M8
t
M9
t
M10
t
M11
f
EXCK
0
200
Parameter
Symbol
Level
(dBm0)
Min.
Typ.
Max.
Unit
(V
DD
=
2.7 V to 3.6 V, Ta = –25°C to +70°C)
Freq.
(Hz)
Others
Condition
See
Fig.4
ns
ns
ns
50
50
50
50
100
50
50
0
50
50
0
50
50
10
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
Serial Port Digital
Input/Output Setting
Time
C
L
= 100 pF
See
Fig.5
EXCK
Shift Clock Frequency
N
IDLT
–68
(–75.7)
–72
(–79.7)
dBm0p
(dBmp)
N
IDLR
1020
A
VT
0.285
0.320
(*3)
0.320
(*3)
0.359
0
A
VR
0.285
0.359
Idle Channel Noise
AIN = SG
(*1)
(*2)
Vrms
Vrms
GSX2
Absolute Signal
Amplitude
VFRO
(*1)
AC Characteristics (Continued)
*1 Use the P-message weighted filter
*2 PCMRI input code
"11010101"(A-law)
"11111111"(m-law)
*3 0.320 Vrms = 0 dBm0 = –7.7 dBm
Note:
All ADPCM coder and decoder characteristics comply with ITU-T Recommendation
G.726.
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