MSA4709A 查看數據表（PDF） - Oki Electric Industry
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MSA4709A Datasheet PDF : 11 Pages
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¡ Semiconductor
APPLICATION CIRCUIT
• VBB : –48 V
• Loop Current IL : 30 mA
• Equivalent Terminal Impedance : 600W + 1mF
MSA4709A
TIP
RING
VBB
750W
(*3)
r1
(*6)
r1
750W
VBB
+5V –5V
510k
(*5)
51W
(*1)
(*1)
51W
(*5)
VBB
(*2)
R1
–
+
1m (*4)
RB VBS VCC VEE
G
PE
PB
B
2.2k
2.2k
A
MSA4709A
NB
NE
27k
IL
1m
+–
CDC
4.7k
RY
0.028m
VBB
187k
21k
ZX
0.028m
BN
42k
2.7k
ZR
12k
4WR
1m
+–
CDP
4700pF
CODEC
GSX
AIN–
PCM
OUT
AIN+
MSM6999
PCM
IN
AOUT+
CB
VBB
CN
RG
1m
RSI
RSO
RI
BF SEL SCN
VBB or VEE
(Controller)
FHW
BHW
VCC
R1
RSI
RSO
RI
Fig. 1
TIP
RING
750
+
–
510k
1m
RG
r1
750W
VBB
RB
VBB
Fig. 2
9/11
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