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參數(shù)資料
| 型號(hào)： | LA8519M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | I/O Switch/Voice Signal-Processing IC for Cordless Telephones |
| 中文描述： | I / O交換/語音信號(hào)處理集成電路無繩電話 |
| 文件頁數(shù)： | 15/29頁 |
| 文件大?。?/td> | 317K |
| 代理商： | LA8519M |
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No. 6471-15/29
LA8519M
Continued from preceding page.
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Pin No.
Pin
Notes
Equivalent circuit
Speech network system internal reference voltage
output. When the V
CC
(pin 17) voltage is over
3.5 V, the reference voltage is output from V
REF
(pin 15). When the V
CC
voltage is under 1.2 V, a
voltage of about (2/5)
×
V is output.
45
REF
V
SP
15 k
10 k
45
V
REF
Speech network system internal power supply. A
voltage of about 0.3 V less than the voltage
applied to V
CC
is output when the V
CC
(pin 17)
voltage is over 3.5 V. When the V
CC
voltage is
under 1.2 V, a voltage of about 0.3 V less than the
S-V
CC
(pin 47) voltage is output.
46
VSP
Speech network system power supply. When the
V
CC
voltage is under 1.2 V, power is supplied to
V
SP
(pin 46) based on the line power.
47
S-V
CC
Line current input and line voltage
Current input for the transmitter output current
Transmitter output current output
48
49
50
VL
TOI
TOO
3 k
6.2 k
100
48
50
49
First BN switching control input
Second BN switching control input
Connect these inputs when two balancing
networks are used. When unused, leave these
pins open.
51
52
BN1
BN2
VL
48
52
51
Speech network system ground
53
SP-GND
Receiver input amplifier minus input
Receiver input amplifier output
54
55
RI-IN
RI-OUT
54
V
SP
55
REF
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