參數(shù)資料
型號： 935263380518
廠商： NXP SEMICONDUCTORS
元件分類： 無繩電話/電話
英文描述： TELEPHONE SPEECH CKT, PDSO16
封裝： PLASTIC, SOT-109, SO-16
文件頁數(shù)： 26/30頁
文件大?。?/td> 218K
代理商： 935263380518
2000 Mar 21
5
Philips Semiconductors
Product specication
Low voltage telephone transmission circuit with
dialler interface and regulated strong supply
TEA1114A
PINNING
SYMBOL
PIN
PAD
DESCRIPTION
TEA1114A(T)
TEA1114AUH
LN
1
1, 19
positive line terminal
SLPE
2
slope (DC resistance) adjustment
REG
3
line voltage regulator decoupling
IR
4
receiving amplier input
AGC
5
automatic gain control/ line loss compensation
DTMF
6
dual-tone multi-frequency input
VDD
7
regulated supply for peripherals
MUTE
8
mute input to select speech or dialling mode (active LOW)
QR
9
earpiece amplier output
n.c.
10
not connected
VEE
10
11
negative line terminal
n.c.
12
not connected
GAR
11
13
earpiece amplier gain adjustment
RX
12
14
receive amplier output
MIC+
13
15
non-inverting microphone amplier input
MIC
14
16
inverting microphone amplier input
n.c.
15
not connected
VCC
16
17
supply voltage for internal circuit
n.c.
18
not connected
handbook, halfpage
TEA1114A
MGK803
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
LN
SLPE
REG
IR
AGC
DTMF
VDD
MUTE
QR
VEE
GAR
RX
MIC
+
MIC
VCC
n.c.
Fig.2 Pin configuration.
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