Global Mixed-mode Technology Inc.
G1453/G1453L
2.6W Stereo Audio Amplifier with Shutdown Mode
Features
General Description
Depop Circuitry Integrated
The G1453/G1453L is a stereo audio power amplifier
in 16 pin TQFN3X3-16 with thermal pad package. It
can drive 2W continuous RMS power into 4Ω load in
Bridge-Tied Load (BTL) mode at 5V supply voltage. Its
THD is smaller than 1% under the above operation
condition. For the low current consumption applica-
tions, the SHUTDOWN mode is supported to disable
the G1453/G1453L when it is idle. The current con-
sumption can be further reduced to below 1µA.
3V to 5.5V Operation
Output Power at 10% THD+N, VDD=5V
--2.6W (typical) into a 3Ω Load
Output Power at 1% THD+N, VDD=5V
--2W (typical) into a 4Ω Load
--1.3W (typical) into a 8Ω Load
Stereo Bridge-Tied Load (BTL)
Shutdown Control Available
TQFN3X3-16 Package Available
Giving the SHUTDOWN pin low level will drive the
G1453L entering the shutdown.
Giving the SHUTDOWN pin high level will drive the
G1453 entering the shutdown
Applications
PDAs
Portable Devices
Notebook
Ordering Information
ORDER
NUMBER
TEMP.
RANGE
PACKAGE
(Green)
MARKING
-40°C to +85°C
-40°C to +85°C
G1453R41U
G1453LR41U
1453
TQFN3X3-16
TQFN3X3-16
1453L
Note: R4: TQFN3X3-16
1: Bonding Code
U: Tape & Reel
Pin Configuration
1
12
RVO1
1
12
11
RVO1
LVO1
LVO1
2
3
4
VCC
VSS
2
3
4
VCC
VSS
VCC
VSS
11
10
9
VCC
VSS
Thermal
Pad
Thermal
Pad
10
9
RVO2
RVO2
LVO2
LVO2
G1453 TQFN3X3-16
G1453L TQFN3X3-16
Note: Recommend connecting the Thermal Pad to the Ground for excellent power dissipation.
TEL: 886-3-5788833
http://www.gmt.com.tw
Ver: 1.3
Apr 29, 2009
1