msm7570l-01 Oki Semiconductor, msm7570l-01 Datasheet - Page 14

• Manufacturer Part Number: msm7570l-01
• Description: Multi-function Adpcm Codec Msm7570l-01/02multi-function Adpcm Codec
• Manufacturer: Oki Semiconductor

¡ Semiconductor
*1 Use the P-message weighted filter
*2 PCMRI input code
*3 0.320 Vrms = 0 dBm0 = –7.7 dBm
Note: All ADPCM coder and decoder characteristics comply with ITU-T Recommendation
AC Characteristics (Continued)
Idle Channel Noise
Absolute Signal
Amplitude
Power Supply Noise
Rejection Ratio
Digital Output
Delay Time
PCM and ADPCM
Interface
Serial Port Digital
Input/Output Setting
Time
Shift Clock Frequency
Parameter
G.726.
Symbol
P
P
N
f
N
t
t
t
"11010101"(A-law)
"11111111"(m-law)
t
t
t
t
t
t
t
A
A
EXCK
SRRT
SRRR
t
t
t
t
t
t
t
t
t
SDR
M10
M11
SDX
XD1
RD1
XD2
RD2
XD3
RD3
IDLR
IDLT
M1
M2
M3
M4
M5
M6
M7
M8
M9
VT
VR
: 0 to 50 kHz
Noise Freq.
Freq.
1020
(Hz)
—
—
—
—
—
1 LSTTL + 100 pF,
Condition
Pull-up: 500 W
C
Noise Level
: 50 mV
AIN = SG
L
(dBm0)
Level
= 100 pF
—
—
0
PP
Others
GSX2
VFRO
EXCK
Fig.4
Fig.5
(*1)
(*1)
(*2)
See
See
—
(V
DD
= 2.7 V to 3.6 V, Ta = –25°C to +70°C)
0.285
0.285
Min.
100
—
—
30
30
50
50
50
50
50
50
50
50
—
0
0
0
0
0
0
0
0.320
0.320
Typ.
(*3)
(*3)
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
MSM7570L-01/02
(–75.7) dBmOp
(–79.7)
Max.
0.359
0.359
–68
–72
200
200
200
200
200
—
—
—
—
—
—
—
—
—
50
—
—
50
10
14/26
(dBmp)
Vrms
Vrms
Unit
MHz
dB
dB
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns