參數(shù)資料
型號(hào): 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(yè)數(shù): 3/32頁(yè)
文件大?。?/td> 199K
代理商: TEA1085T
March 1992
3
Philips Semiconductors
Preliminary specification
Listening-in circuit for line-powered
telephone sets
TEA1085; TEA1085A
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
3.6
55
MAX.
UNIT
I
SUP
V
BB
I
SUP
G
v
input current range
stabilized supply voltage
current consumption
voltage gain loudspeaker amplifier
4
120
mA
V
μ
A
PD = HIGH
SE
BTL
35
41
18
dB
dB
dB
G
v
maximum gain reduction with logic
inputs (3 steps)
minimum input current
I
SUP
P
OUT
= 20 mW typ.
into 50
SE
P
OUT
= 40 mW typ.
into 50
BTL
15
17
mA
32
mA
t
ad(RMS)
Larsen limiter attack delay time V
DTI
jumps from 0 to
100 mV (RMS value)
Larsen limiter threshold level
Larsen limiter preamplifier gain setting
range
operating ambient temperature range
100
200
ms
V
DTI(RMS)
G
v
Larsen mode
30
7
52
mV
dB
T
amb
25
+
75
°
C
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