tea1114auh NXP Semiconductors, tea1114auh Datasheet - Page 5

• Manufacturer Part Number: tea1114auh
• Description: Low Voltage Telephone Transmission Circuit With Dialler Interface And Regulated Strong Supply
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PINNING
2000 Mar 21
LN
SLPE
REG
IR
AGC
DTMF
V
MUTE
QR
n.c.
V
n.c.
GAR
RX
MIC+
MIC
n.c.
V
n.c.
DD
EE
CC
Low voltage telephone transmission circuit with
dialler interface and regulated strong supply
SYMBOL
TEA1114A(T)
PIN
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
handbook, halfpage
TEA1114AUH
1, 19
PAD
10
11
12
13
14
15
16
17
18
2
3
4
5
6
7
8
9
MUTE
DTMF
SLPE
REG
AGC
V DD
LN
Fig.2 Pin configuration.
IR
1
2
3
4
5
6
7
8
positive line terminal
slope (DC resistance) adjustment
line voltage regulator decoupling
receiving amplifier input
automatic gain control/ line loss compensation
dual-tone multi-frequency input
regulated supply for peripherals
mute input to select speech or dialling mode (active LOW)
earpiece amplifier output
not connected
negative line terminal
not connected
earpiece amplifier gain adjustment
receive amplifier output
non-inverting microphone amplifier input
inverting microphone amplifier input
not connected
supply voltage for internal circuit
not connected
TEA1114A
5
MGK803
16
15
14
13
12
11
10
9
V CC
n.c.
MIC
MIC
RX
GAR
V EE
QR
DESCRIPTION
Product specification
TEA1114A