參數(shù)資料
型號(hào)： AN6175K
廠商： PANASONIC CORP
元件分類： 通信及網(wǎng)絡(luò)
英文描述： LJT 29C 29#16 SKT WALL RECP
中文描述： SPECIALTY TELECOM CIRCUIT, PDIP42
封裝： 0.600 INCH, SHRINK, PLASTIC, DIP-42
文件頁(yè)數(shù)： 17/21頁(yè)
文件大小： 210K
代理商： AN6175K
17
ICs for Telephone
AN6175K
12
V
CC
1
I
Detailed Pin Descriptions(cont.)
Equivalent circuit
Description
Pin No.
Symbol
12
13
14
15
16
17
TLO2
RLO1
RLO2
REC–CONT
RVR
ATC
[LOG amp.(2)output]
Outputs the amplified hands-free control
output. Grounded through C14(2.2
μ
F).
The attack recovery time of the attenuator
changes with the capacitance of C14.
[LOG amp.(3)output]
Outputs the amplified receiver preamp.
output. Grounded through C15(2.2
μ
F).
The attack recovery time of the attenuator
changes with the capacitance of C15.
[LOG amp.(4)output]
Outputs the amplified loudspeaker amp.
output. Grounded through C16(2.2
μ
F).
The attack recovery time of the attenuator
changes with the capacitance of C16.
[Receiver switching]
Determines whether the attenuator is to
be in the receiver mode or normal mode.
If this pin is connected to V
1(SW3 to
b), the receiver mode is selected. If con-
nected to GND(SW3 to a), the normal
mode is selected.
[Receiver att. gain control]
An external rheostat circuit connects to
this pin to control the receiver attenuator
gain.
[Receiver att. switching control]
R22(51 k
)and C18(4.7
μ
F)connect to
this pin to adjust the attenuator switching
time.
13
V
CC
1
14
V
CC
1
15
100k
100k
16
+
–
17
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