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PDF 3544 Data sheet ( Hoja de datos )
| Número de pieza | 3544 | |
| Descripción | HEADPHONE AMPLIFIER | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de 3544 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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UNISONIC TECHNOLOGIES CO., LTD
3544
LINEAR INTEGRATED CIRCUIT
HEADPHONE AMPLIFIER FOR
CD-ROMS
DESCRIPTION
As a dual headphone amplifier the UTC 3544 is digital-source.
The UTC 3544 has a steady gain of 6dB and so it is unnecessary for
external gain setting. The UTC 3544 has internal mute function so
that it is greatly simplified for prevention of the popping sound when
power is turned on and off. To prevent damage from short circuits
the UTC 3544 is equipped with thermal shutdown circuit.
FEATURES
* Internal mute function to prevent popping sounds when *the power
is turned on and off.
* Built-in thermal shutdown circuit (150°C) to prevent *damage to the
IC if a short circuit occurs.
■ ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
3544L-D08-T
3544G-D08-T
- 3544G-S08-R
Package
DIP-8
SOP-8
Packing
Tube
Tape Reel
MARKING
DIP-8
SOP-8
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
1 of 9
QW-R107-040.D
1 page  
3544
MEASUREMENT CIRCUIT
32
1
SW7
16 2
330μ
+
V V2AC
LINEAR INTEGRATED CIRCUIT
47μ +
SW5 1
2
1μ VIN2
SW8B
A IQ
+
10μ
Vcc
8
OUT2
7
BIAS
6
IN2
5
SW8A 1
VRR
2
Vcc
TSD
BIAS
6dB
+
+
6dB
MUTE
90K
90K
32 1 2 3 4 GND
1
SW1
+ OUT1
MUTE
IN1
16
2
330μ
VTM
1
V1AC V
1μ 2 SW3
VIN1
MEASUREMENT CONDITIONS
SIGNAL
IQ
VTM
SW1
1
SW3
1
SW TABLE
SW5 SW7
11
GVC 1 2
21
△Gvc
THD
1
2
2
1
Po1 1 2 2 1
Po2 2 2 2 2
VNO 1 1 1 1
CS
1
1
1
2
2
1
1
1
ATT 1 2 2 1
RR 1 1 1 1
SW8A SW8B
2 OFF
2 ON
2 ON
2 ON
2 ON
2 ON
2 ON
2 ON
2 ON
1 ON
MONITOR
IQ
CONDITIONS
V1AC,V2AC
V1AC,V2AC
V1AC,V2AC
V1AC,V2AC
V1AC,V2AC
V1AC,V2AC
V1AC,V2AC
V1AC,V2AC
V1AC,V2AC
f=1kHz,VIN1/2=-6dBV,
VTM=1.6V
GVC1 – GVC2
fin=1kHz,VIN1/2= -6dBV,
VTM=1.6V
fin=1kHz,VIN1/2= -6dBV,
VTM=1.6V
fin=1kHz,VIN1/2= -6dBV,
VTM=1.6V
fin=1kHz,VIN2= -6dBV,
VTM=1.6V
fin=1kHz,VIN1= -6dBV,
VTM=1.6V
fin=1kHz,VIN1/2= -6dBV,
VTM=0.3VB
VRR= -20dBV, fRR=100Hz
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 10
QW-R107-040.D
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet 3544.PDF ] | |
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