TEA1085 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Lista de partido
TEA1085 Datasheet PDF : 32 Pages
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Philips Semiconductors
Listening-in circuit for line-powered
telephone sets
PIN CONFIGURATION
SYMBOL PIN
DESCRIPTION
VSS
SUP
1 negative supply
2 positive supply
SDC
3 supply amplifier decoupling
SREF
4 supply reference input
LSI1
5 loudspeaker amplifier input 1
LSI2
6 loudspeaker amplifier input 2
GSC2
7 logic input 2 for gain select
GSC1
8 logic input 1 for gain select
LAI−
9 Larsen limiter preamplifier inverting
input
LAI+
10 Larsen limiter preamplifier
non-inverting input
QLA
11 Larsen limiter preamplifier output
LLC
12 Larsen limiter capacitor
THL2
13 Larsen limiter residual threshold level
THL1
14 Larsen limiter attack delay threshold
level
DTI
15 Larsen limiter detector input
DCA
16 Larsen limiter detector current
adjustment
SIC
17 Larsen limiter current stabilizer
VA
18 VBB voltage adjustment
PD
19 power-down input
MUTE
20 MUTE input
QLS1
21 loudspeaker amplifier output 1
QLS2
22 loudspeaker amplifier output 2
DLC
23 dynamic limiter capacitor
VBB
24 stabilized supply decoupling
Preliminary specification
TEA1085; TEA1085A
handbook, halfpage
VSS 1
SUP 2
24 VBB
23 DLC
SDC 3
22 QLS2
SREF 4
21 QLS1
LSI1 5
20 MUTE
LSI2 6 TEA1085 19 PD
GSC2 7 TEA1085A 18 VA
GSC1 8
17 SIC
LAI− 9
16 DCA
LAI+ 10
15 DTI
QLA 11
14 THL1
LLC 12
13 THL2
MLA415
Fig.2 Pin configuration.
March 1992
5
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