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參數(shù)資料
| 型號： | AS1706-T |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.6W Audio Power Amplifiers; Package Type: MSOP-8; Shutdown: Active Low |
| 中文描述： | 1.6 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 433K |
| 代理商： | AS1706-T |
1 - 18
Datasheet
1 General Description
The AS1701 and AS1706 are 1.6W bridged audio power amplifiers
that provide excellent circuit reliability, providing a very low-cost solu-
tion by elimnating external components when used with 2.7 to 5.5V-
powered circuits.
The devices have superb total harmonic distortion (THD) at high-
power output and excellent power supply rejection with 4- and 8
Ω
-
loads.
Integrated over-temperature and over-current protection circuitry
switch the devices off in case of an output
short-circuit. A digital input allows the devices to automatically switch
into shutdown mode. Click- and pop-suppression circuitry reduces
audible clicks and pops during power-up and shutdown. The gain
(A
V
) of the devices is controlled using external resistors.
The AS1701/AS1706 are available in an 8-pin MSOP package.
Figure 1. Typical Configuration Block Diagram
2 Key Features
2.7 to 5.5V (V
) Single-Supply Operation
Very High PSRR: Greater Than 65dB @ 217Hz
THD+Noise: 1.6W into 4
Ω
at 1%
No Output Coupling Capacitors Required
External Gain Configuration Capability
Low-Power Shutdown Mode: 10nA
Click and Pop Suppression
Over-Temperature and Over-Current Protection
Operating Temperature Range: -40 to +85°C
8-pin MSOP Package
3 Applications
The AS1701/AS1706 are ideal as audio front-ends for battery pow-
ered audio devices such as MP3 and CD players, mobile phones,
PDAs, portable DVD players, and any other hand-held battery-pow-
ered device.
RL =
4 or 8
Ω
40k
Ω
40k
Ω
50k
Ω
50k
Ω
V
DD
/2
Bias
20k
Ω
R
F
V
DD
+
–
C
S
10μF
Av = -1
C
B
0.1 to
1μF
+
+
AS1701/
AS1706
GND 7
2
BIAS
8
OUT-
5
OUT+
6 V
DD
1
SHDN
20k
Ω
R
IN
+
–
C
IN
0.33μF
Audio
Input
4
IN-
3
IN+
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS1702-T | 1.8W diff audio amp mono, adj.; Package Type: MSOP-10; Miscellaneous: adj. Gain |
| AS1702V-T | 1.8W diff audio amp mono, adj.; Package Type: DFN(3x3)-10; Miscellaneous: adj. Gain |
| AS1704 | 1.6W Single-Channel Audio Power Amplifiers |
| AS1702 | 1.6W Single-Channel Audio Power Amplifiers |
| AS1703 | 1.6W Single-Channel Audio Power Amplifiers |
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|---|---|
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