G1426 Datasheet, PDF (1/13 Pages) Global Mixed-mode Technology Inc – 2.2W Stereo Audio Amplifier

Global Mixed-mode Technology Inc.
2.2W Stereo Audio Amplifier
G1426
Features
„Depop Circuitry Integrated
„Output Power at 10% THD+N, VDD=5V
--2.2W/CH (typical) into a 4Ω Load
„Output Power at 1% THD+N, VDD=5V
--2W/CH (typical) into a 4Ω Load
--1.2W/CH (typical) into a 8Ω Load
„Bridge-Tied Load (BTL)
„Shutdown Control Available
„Thermal protection
„Surface-Mount Power Package
20-Pin TSSOP-P
General Description
The G1426 is a stereo audio power amplifier in 20pin
TSSOP package. It can deliver 2W continuous RMS
power into 4Ω load per channel in Bridge-Tied Load
(BTL) mode at 5V supply voltage under 1% THD. To
simplify the audio system design in the notebook ap-
plication, The G1426 supports the Bridge-Tied Load
(BTL) mode for driving the speakers. For the low cur-
rent consumption applications, the SHDN mode is
supported to disable the G1426 when it is idle. The
current consumption can be further reduced to below
2µA.
Applications
„Stereo Power Amplifiers for Notebooks or
Desktop Computers
„Multimedia Monitors
„Stereo Power Amplifiers for Portable Audio
Systems
Ordering Information
ORDER
NUMBER
MARKING
TEMP.
RANGE
PACKAGE
G1426D5X G1426 -40°C to +85°C TSSOP-20L
G1426F2X G1426 -40°C to +85°C TSSOP-20L (FD)
Note: X Specify the packing type
U: Tape & Reel
T: Tube
* TSSOP-20L (FD): Thermal Pad
Pin Configuration
SHUTDOWN 1
GND/HS 2
+OUTA 3
VDD 4
-OUTA 5
-INA 6
GND/HS 7
+INA 8
NC 9
GND/HS 10
G1426
Top View
20Pin TSSOP
20 ^GND/HS
19 GND/HS
18 +OUTB
17 VDD
16 -OUTB
15 -INB
14 BYPASS
13 +INB
12 NC
11 NC
Ver: 1.0
Dec 04, 2003
1
Thermal
Pad
Bottom View
TEL: [phone]
http://www.gmt.com.tw