參數(shù)資料
型號: TEA1085T
廠商: NXP SEMICONDUCTORS
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Listening-in circuit for line-powered telephone sets
中文描述: SPECIALTY TELECOM CIRCUIT, PDSO24
封裝: PLASTIC, SO-24
文件頁數(shù): 5/32頁
文件大?。?/td> 199K
代理商: TEA1085T
March 1992
5
Philips Semiconductors
Preliminary specification
Listening-in circuit for line-powered
telephone sets
TEA1085; TEA1085A
PIN CONFIGURATION
SYMBOL PIN
DESCRIPTION
V
SS
SUP
SDC
SREF
LSI1
LSI2
GSC2
GSC1
LAI
1
2
3
4
5
6
7
8
9
negative supply
positive supply
supply amplifier decoupling
supply reference input
loudspeaker amplifier input 1
loudspeaker amplifier input 2
logic input 2 for gain select
logic input 1 for gain select
Larsen limiter preamplifier inverting
input
Larsen limiter preamplifier
non-inverting input
Larsen limiter preamplifier output
Larsen limiter capacitor
Larsen limiter residual threshold level
Larsen limiter attack delay threshold
level
Larsen limiter detector input
Larsen limiter detector current
adjustment
Larsen limiter current stabilizer
V
BB
voltage adjustment
power-down input
MUTE input
loudspeaker amplifier output 1
loudspeaker amplifier output 2
dynamic limiter capacitor
stabilized supply decoupling
LAI
+
10
QLA
LLC
THL2
THL1
11
12
13
14
DTI
DCA
15
16
SIC
VA
PD
MUTE
QLS1
QLS2
DLC
V
BB
17
18
19
20
21
22
23
24
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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