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參數(shù)資料
| 型號： | U4050B |
| 英文描述： | Speech Circuit with Line-Powered Loudspeaker Amplifier |
| 中文描述： | 語音電路線供電揚聲器放大器 |
| 文件頁數(shù)： | 5/18頁 |
| 文件大小： | 253K |
| 代理商： | U4050B |
U4050B
Rev. A2, 05-Mar-98
5 (18)
Unit
Max.
Typ.
Min.
Symbol
Test Conditions / Pins
I
L
= 10 mA, I
D
= 1 mA
RC
= 68 k
V
mic
= 1 mV I
M
= 0 mA
I
L
= 10 mA, I
M
= 0 mA
I
D
= 1 mA, RC = 68 k
V
mic
= 10 mV
I
L
= 100 mA
R
AGA
= 7.5 k
I
L
15 mA
V
mute
= 1.5 V
see figures 6 and 8
I
L
15 mA
differential
I
L
= 15 mA
differential
I
F
15 mA
Parameters
Gain at low operating
current
G
S
47
50
dB
Distortion at low
operating current
ds
6
%
Line loss compensation
G
SI
–5
–6
–7
dB
Mute suppression
G
SM
60
dB
Receiving amplifier
Adjustment range of
receiving gain
Receiving amplification
G
R
–8
+8
dB
G
R
–1
–0.5
0
dB
Amplification of DTMF
signal from DTMF IN
to RECO 1/2
Frequency response
Mute active
I
L
> 15 mA, C
L
= 4.7 nF
f = 300 to 3400 Hz
I
L
= 15 to 100 mA
T
amb
= –10 to + 60
°
C
I
L
= 15 mA
I
L
15 mA
V
gen
= 11 V
rms
Each output
against GND
I
L
= 100 mA
R
AGA
= 7.5 k
I
L
= 15 mA, d
Z
H
= 68 nF
Z
H
= 450
Z
H
= 150
Z
H
= 68 nF
G
R
= 0 dB
I
L
> 15 mA
I
L
= 10 mA
I
D
= 1 mA
I
M
= 0 mA
V
gen
= 560 mV
RC = 68 k
I
L
= 10 mA, I
D
= 1 mA
V
gen
= 560 mV
RC = 68 k
G
RM
–15
–12
–9
dB
G
RF
0.5
dB
Gain change with current
Gain deviation
G
R
G
R
0.5
0.5
dB
dB
Ear protection
differential
Output resistance
V
ep
R
o
2.2
10
V
rms
Line loss compensation
G
RI
–5.0
–6.0
–7.0
dB
Output voltage
Push pull
Single ended
Receiving noise
psophometrically
weighted
Gain at low operating
current
2%
0.775
0.6
0.3
V
rms
n
i
–83
–78.5
dBmp
G
R
–1.5
+ 0.5
dB
Distortion at low
operating current
dr
5
%
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| U4050B-AFL | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Speech Circuit with Line-Powered Loudspeaker Amplifier |
| U4050B-AFLG3 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Speech Circuit with Line-Powered Loudspeaker Amplifier |
| U4055B | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Low-Voltage Electronic Speech Circuit with Dialer Interface |
| U4055B1 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Low-Voltage Electronic Speech Circuit with Dialer Interface |
| U4056B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TELEFUNK ELECTRONIC CREATIVE TECHNOLOGIEN U2200B-FP |
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