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參數資料
| 型號： | U4087B-FP |
| 英文描述： | Low Voltage Voice Switch Interface Circuit for Hands-free Operation in Telephone |
| 中文描述： | 低壓開關接口電路的語音免提電話的自由運作中 |
| 文件頁數： | 6/8頁 |
| 文件大小： | 115K |
| 代理商： | U4087B-FP |
U4087B
TELEFUNKEN Semiconductors
Rev. A1, 09-Sep-96
Preliminary Information
6 (8)
Electrical Characteristics
T
amb
= + 25
°
C, V
S
= 5.0 V, CD
0.8 V
,
unless otherwise specified
Parameters
Test conditions / Pin
Symbol
Min.
Typ.
Max.
Unit
Power supply
Supply current
V
B
= 6.5 V, CD = 0.8 V
V
B
= 6.5 V, CD = 2.0 V
V
B
= V
CD
= 6.5 V
– High
– Low
I
B
1.0
60.0
90.0
2.0
150.0
mA
A
k
V
CD input resistance
CD input voltage
R
CD
V
CDH
V
CDL
50.0
2.0
0.0
V
B
0.8
Attenuator control
C
T
voltage
Pin 12 – V
M
R mode
Idle mode
T mode
R mode
T mode
V
CT
+ 240.0
0.0
– 240.0
– 60.0
+ 60.0
0.0
mV
C
T
source current
C
T
sink current
C
T
idle current
Level detectors and background noise monitor
Source current
I
CTR
I
CTT
I
CTS
– 85.0
+ 40.0
– 40.0
+ 85.0
A
A
A
at RLO1, RLO2, TLO1,
TLO2
at RLO1, RLO2, TLO1,
TLO2
I
O
= 1.0 mA
I
LSO
– 2.0
mA
Sink current
I
LSK
4.0
A
CPT output resistance
CPT leakage current
R
CP
I
CPLK
100
– 0.2
A
Ordering Information
Type
Package
U4087B-FP
SO16
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