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Número de pieza | G1402 | |
Descripción | Stereo Headphone Power Amplifier | |
Fabricantes | Global Mixed-mode Technology | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de G1402 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
No Preview Available ! Global Mixed-mode Technology Inc.
G1402
Stereo Headphone Power Amplifier
Features
High performance Class AB amplifier
High signal-to-noise ratio
Low distortion
Low power consumption
Large output voltage swing
Excellent power supply ripple rejection
3.0V to 6.5V supply voltage range
Surface-Mount package-SOP 8
www.DataSheetA4Up.cpomlications
CD-ROM
DVD-ROM
CD-R/W
MP3
Portable Stereo
General Description
The G1402 is an output rail-to-rail stereo audio power
amplifier housed in a 8-pin SOP package capable of
delivering 125mW of continuous power into 16Ω loads
& 75mW into 32Ω loads with the THD <0.1% per
channel.
The gain setting of the amplifiers can simply achieve
by setting two external resistors RI (input resistor) & RF
(feedback resistor) promptly.
The G1402 is a dual channel, low voltage, low power,
and high performance amplifiers. The quiescent
current is 3mA @ 5V typically. With excellent AC
performance (small THD), it can be designed into a
wide range of headphone driving applications.
Ordering Information
ORDER
NUMBER
MARKING
TEMP.
RANGE
PACKAGE
G1402P1X G1402 -40°C to +85°C
SOP-8L
G1402P1Xf G1402 -40°C to +85°C SOP-8L (Pb free)
Note: X Specify the packing type
U: Tape & Reel
T: Tube
Pin Configuration
OUTA 1
INA(neg) 2
INA(pos) 3
VSS 4
G1402
8 VDD
7 OUTB
6 INB(neg)
5 INB(pos)
SYMBOL
OUTA
INA(neg)
INA(pos)
VSS
INB(pos)
INB(neg)
OUTB
VDD
PIN DESCRIPTION
1 output A
2 inverting input A
3 non-inverting input A
4 negative supply
5 non-inverting input B
6 inverting input B
7 output B
8 positive supply
Ver: 1.2
Jun 28, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
1
1 page Global Mixed-mode Technology Inc.
Electrical Characteristics (continued)
G1402
10
5
2
1
0.5
%
0.2
0.1
www.DataSheet4U.com0.05
0.02
0.01
20
THD+N vs Frequency
VDD=3.3V
RL=32Ω
Po=25mW
Av=-2V/V
Av=-4V/V
Av=-1V/V
50 100 200
500
Hz
1k
2k
5k 10k 20k
10
5
2
1
0.5
%
0.2
0.1
0.05
THD+N vs Output Power
VDD=3.3V
RL=16Ω
Av=-1
20kHz
20Hz
1kHz
0.02
0.01
2m
3m 4m 5m 6m 7m 10m
20m
W
30m 40m 50m 70m 100m
10
5
2
1
0.5
%
0.2
0.1
0.05
THD+N vs Frequency
VDD=3.3V
RL=16Ω
Po=25mW
Av=-2V/V
Av=-4V/V
Av=-1V/V
0.02
0.01
20
50 100 200
500
Hz
1k
2k
5k 10k 20k
100u
90u
80u
70u
60u
50u
40u
V
30u
Output Noise
VDD=5V
RL=32Ω
Av=-1
Cb=1µF
BW=20kHz , No filters
20u A- Weighting
10u
20
50 100 200
500
Hz
1k
2k
5k 10k 20k
-20
-25
-30
-35
-40
-45
-50
-55
d
B
-60
-65
-70
-75
-80
-85
-90
-95
-100
20
Channel Separation
VDD=5V
RL=32Ω
Av=-1
Po=70mW
Cb=1µF
Channel A to B
Channel B to A
50 100 200
500
Hz
1k
2k
5k 10k 20k
Power Supply Rejection Ratio
+0T T T T T T T T T T T T T T T T T T T
-10 VDD=5V
-20 RL=32Ω
-30 Av=-1
Vripple=100mVrms
-40 Cb=1µF
-50 Vpin 3,5=2.5V FORCED
d
B
-60
-70
-80
-90
-100
-110
-120
20
50 100 200
500
Hz
1k
2k
5k 10k 20k
Ver: 1.2
Jun 28, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
5
5 Page |
Páginas | Total 8 Páginas | |
PDF Descargar | [ Datasheet G1402.PDF ] |
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