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參數資料
| 型號： | G1431 |
| 廠商： | Global Mixed-mode Technology Inc. |
| 元件分類： | 音頻放大器 |
| 英文描述： | 2W Stereo Audio Amplifier |
| 中文描述： | 2W立體聲音頻放大器 |
| 文件頁數： | 1/14頁 |
| 文件大?。?/td> | 387K |
| 代理商： | G1431 |
Ver: 1.5
Oct 25, 2006
TEL: 886-3-5788833
http://www.gmt.com.tw
1
G1431
Global Mixed-mode Technology Inc.
2W Stereo Audio Amplifier
Features
Internal Gain Control, Which Eliminates Exter-
nal Gain-Setting Resistors
Depop Circuitry Integrated
Output Power at 1% THD+N, VDD=5V
--2.0W/CH (typical) into a 4
Ω Load
--1.2W/CH (typical) into a 8
Ω Load
Bridge-Tied Load (BTL) Supported
Fully differential Input
Shutdown Control Available
Surface-Mount Power Package
20-Pin TSSOP-P & 20-Pin TQFN 4X4
Applications
Stereo Power Amplifiers for Notebooks or
Desktop Computers
Multimedia Monitors
Stereo Power Amplifiers for Portable Audio
Systems
General Description
G1431 is a stereo audio power amplifier in 20pin
TSSOP thermal pad package or 20-pin TQFN 4X4. It
can drive 2W continuous RMS power into 4
Ω load per
channel in Bridge-Tied Load (BTL) mode at 5V supply
voltage. Its THD is smaller than 1% under the above
operation condition. To simplify the audio system de-
sign in the notebook application and to enlarge the
driving power, G1431 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 G1431 when it is idle. The current
consumption can be reduced to 150A (typically).
Amplifier gain is internally configured and controlled by
two terminals (GAIN0, GAIN1). BTL gain settings of
6dB, 10dB, 15.6dB, 21.6dB are provided.
Ordering Information
ORDER
NUMBER
MARKING
TEMP.
RANGE
PACKAGE
(Pb free)
G1431F2U
G1431
-40°C to +85°C TSSOP-20 (FD)
G1431R9U
1431
-40°C to +85°C TQFN4X4-20
Note: F2: TSSOP-20 (FD)
R9:TQFN4X4-20
U: Tape & Reel
Pin Configuration
VDD
PVDD
BYPASS
SHUTDOWN
LIN-
RIN+
LIN+
G1431
TSSOP-20 (FD)
13
20
19
18
17
16
15
5
6
7
8
9
10
1
4
3
2
14
GAIN0
Top View
GND
11
12 NC
Thermal
Pad
GND
GAIN1
LOUT+
PVDD
LOUT-
GND
ROUT-
RIN-
ROUT+
GND
G1431 TQFN4X4-20
1
2
3
4
5
11
12
13
14
15
16
17
18
20
19
8
7
9
10
Thermal
Pad
6
LIN
-
LO
UT+
PV
D
RI
N+
LO
U
T
-
LIN+
BYPASS
GND
RO
U
T
-
PVD
D
VD
D
RI
N-
ROU
T
+
GND
GAIN0
GND
NC
SHUTDOWN
GAIN1
VDD
PVDD
BYPASS
SHUTDOWN
LIN-
RIN+
LIN+
G1431
TSSOP-20 (FD)
13
20
19
18
17
16
15
5
6
7
8
9
10
1
4
3
2
14
GAIN0
Top View
GND
11
12 NC
Thermal
Pad
GND
GAIN1
LOUT+
PVDD
LOUT-
GND
ROUT-
RIN-
ROUT+
GND
G1431 TQFN4X4-20
1
2
3
4
5
11
12
13
14
15
16
17
18
20
19
8
7
9
10
Thermal
Pad
6
LIN
-
LO
UT+
PV
D
RI
N+
LO
U
T
-
LIN+
BYPASS
GND
RO
U
T
-
PVD
D
VD
D
RI
N-
ROU
T
+
GND
GAIN0
GND
NC
SHUTDOWN
GAIN1
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相關代理商/技術參數 |
參數描述 |
|---|---|
| G1431_06 | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:2W Stereo Audio Amplifier |
| G1431F2U | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:2W Stereo Audio Amplifier |
| G1431R9U | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:2W Stereo Audio Amplifier |
| G1432 | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:2W Stereo Audio Amplifier |
| G1432F3U | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:2W Stereo Audio Amplifier |
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