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TEA1085 Folha de dados(PDF) 5 Page - NXP Semiconductors

Nome de Peças TEA1085
Descrição Electrónicos  Listening-in circuit for line-powered telephone sets
Download  32 Pages
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Fabricante Electrônico  PHILIPS [NXP Semiconductors]
Página de início  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TEA1085 Folha de dados(HTML) 5 Page - NXP Semiconductors

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March 1992
5
Philips Semiconductors
Preliminary specification
Listening-in circuit for line-powered
telephone sets
TEA1085; TEA1085A
PIN CONFIGURATION
SYMBOL PIN
DESCRIPTION
VSS
1
negative supply
SUP
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
Fig.2 Pin configuration.
handbook, halfpage
VSS
SUP
SDC
SREF
LSI1
LSI2
GSC2
GSC1
LAI
LAI
+
QLA
LLC
VBB
DLC
QLS2
QLS1
PD
VA
MUTE
SIC
DCA
DTI
THL1
THL2
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
TEA1085
TEA1085A
MLA415


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