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Global Mixed-mode Technology
Global Mixed-mode Technology


G1401

Stereo Headphone Power Amplifier



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G1401 pdf
Global Mixed-mode Technology Inc.
G1401
Stereo Headphone Power Amplifier
Features
„Class AB amplifier
„High performance
„High signal-to-noise ratio
„Low distortion
„Low power consumption
„Large output voltage swing
„Excellent power supply ripple rejection
„3.0V to 7.0V supply voltage range
„Surface-Mount package-SOP 8
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Applications
„CD-ROM
„DVD-ROM
„CD-R/W
„MP3
„Portable Stereo
„Earphone for cellular phone
General Description
The G1401 is a stereo audio power amplifier housed
in a 8-pin SOP package capable of delivering 135mW
of continuous power per channel into 16Ω loads.
Amplifier gain is externally configured by means of two
resistors per input channel.
The G1401 is a dual channel, low voltage, low power,
performance OP amps that can be designed into a
wide range of headphone driving applications, at an
economical price.
Ordering Information
PART
G1401P1
TEMP. RANGE PIN-PACKAGE
0°C to +70°C
8 SOP
Pin Configuration
G1401
OUTA 1
INA(neg) 2
INA(pos) 3
VSS 4
8 VDD
7 OUTB
6 INB(neg)
5 INB(pos)
Pinning
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 1.1
Aug 13, 2001
TEL: 886-3-5788833
http://www.gmt.com.tw
1



No Preview Available !

G1401 pdf
Global Mixed-mode Technology Inc.
Block Diagram
OUTA 1
G1401
8 VDD
INA(neg) 2
INA(pos) 3
7 OUTB
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VSS 4
_ 6 INB(neg)
+ 5 INB(pos)
G1401
Absolute Maximum Ratings (Note1)
SYMBOL
VDD
Tstg
Tamb
ESD
PARAMETER
Supply voltage
Storage temperature
Operating ambient temperature
ESD voltage
CONDITIONS
HBM
MIN.
0
-65
0
-
Notes:
1. Absolute Maximum Ratings are limits beyond which damage to the device may occur.
MAX.
7.0
+150
+70
2
Thermal Characteristics
SYMBOL
PARAMETER
Rth j-a
Thermal resistance from junction to ambient in free air SO8
VALUE
210
Test and Application Information
VDD
3.9k
220µF
+
VOUTA
RL
UNIT
V
°C
°C
KV
UNIT
°C/W
V IN A
2.2µF 3.9k
V re f
(typ. 2.5V)
V IN B
2.2µF 3.9k
18
2_
3+
G1401
5
6
74
+
C6
100µF
Ver 1.1
Aug 13, 2001
3.9k
220µF
+
VOUTB
RL
Fig.1 Measurement circuit for inverting application
2
TEL: 886-3-5788833
http://www.gmt.com.tw



Part Number G1401
Description Stereo Headphone Power Amplifier
Maker Global Mixed-mode Technology - Global Mixed-mode Technology
Total Page 6 Pages
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