參數(shù)資料
型號： 935264403005
廠商： NXP SEMICONDUCTORS
元件分類： 無繩電話/電話
英文描述： TELEPHONE SPEECH CKT, UUC17
封裝： DIE-17
文件頁數(shù)： 25/30頁
文件大?。?/td> 178K
代理商： 935264403005
2000 Feb 18
4
Philips Semiconductors
Product specication
Speech circuit with dialler interface, regulated
supply and earpiece volume control
TEA1111A
PINNING
SYMBOL
PIN
PAD
DESCRIPTION
TEA1111TV
TEA1111AUH
LN
1
positive line terminal
SLPE
2
slope (DC resistance) adjustment
REG
3
line voltage regulator decoupling
IR
4
receive 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)
n.c.
9
not connected
VCI
9
10
volume control input
VEE
10
11, 12
negative line terminal
QR
11
13
earpiece amplier output
GAR
12
14
earpiece amplier gain adjustment
MIC+
13
15
non-inverting microphone amplier input
MIC
14
16
inverting microphone amplier input
LEDC
15
17
LED control output
VCC
16
18
supply voltage for internal circuit
handbook, halfpage
TEA1111A
FCA052
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
LN
SLPE
REG
IR
AGC
DTMF
VDD
MUTE
VCI
VEE
QR
GAR
MIC
+
MIC
VCC
LEDC
Fig.2 Pin configuration.
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