Global Mixed-mode Technology Inc.
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
G1402
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 R
I
(input resistor) & R
F
(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.
Applications
CD-ROM
DVD-ROM
CD-R/W
MP3
Portable Stereo
Ordering Information
ORDER
MARKING
NUMBER
G1402P1X
G1402P1Xf
G1402
G1402
TEMP.
RANGE
PACKAGE
-40°C to +85°C
SOP-8L
-40°C to +85°C SOP-8L (Pb free)
Note: X Specify the packing type
U: Tape & Reel
T: Tube
Pin Configuration
G1402
OUTA
INA(neg)
INA(pos)
V
SS
1
2
3
4
8
7
6
5
V
DD
OUTB
INB(neg)
INB(pos)
SYMBOL
OUTA
INA(neg)
INA(pos)
V
SS
INB(pos)
INB(neg)
OUTB
V
DD
PIN
1
2
3
4
5
6
7
8
DESCRIPTION
output A
inverting input A
non-inverting input A
negative supply
non-inverting input B
inverting input B
output B
positive supply
Ver: 1.2
Jun 28, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
1
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
