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參數資料
| 型號： | MM3111 |
| 廠商： | MITSUMI ELECTRIC CO LTD |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Audio Power Amplifier |
| 中文描述： | 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | 0.65 MM PITCH, VSOP-8 |
| 文件頁數： | 1/3頁 |
| 文件大小： | 46K |
| 代理商： | MM3111 |
MITSUMI
Audio Power Amplifier MM3111
Audio Power Amplifier
Monolithic IC MM3111
Outline
This IC is an audio power amp that can operate at low voltage. Operating supply voltage supports 3V and 5V
power amp, making it ideal for applications such as mobile phones and other portable communication
devices. It is equipped with the capability to provide continuous supply of 1W (Ave) output against 8
load
from a 5V single power supply with 2% high harmonic distortion (THD+N). MM3111 does not require an
output coupling capacitor, so that applications can be configured with the minimum number of external parts.
It also includes a shutdown function and can operate with low power consumption when a mute signal is
inputted into the SHUTDOWN pin. It also includes a thermal runaway protection function (thermal shutdown)
to allow a gain to be set with an external resistor.
Features
1. Operating supply voltage
2. Operating ambient temperature
3. Current consumption (no-load)
4. Current consumption during Power Save
5. Maximum output power
1.8~5.5V (supports 3V and 5V)
-
40~85°C
3.5mA (V
DD
=3V) typ.
2.0μA max.
1.0W (V
DD
=5V, THD=2%)
0.31W (V
DD
=3V, THD=1%)
66dB (f=1kHz, V
DD
=5V)
6. PSRR
7. No output coupling capacitor required
8. SHUTDOWN pin for both Power Save and mute
9. Thermal shutdown function
10. Mounted in a small package
VSOP-8B (0.65 mm pitch)
Package
VSOP-8B
Pin Assignment
1
4
3
2
8
5
6
7
VSOP-8B
(TOP VIEW)
1
2
3
4
5
6
7
8
SHUTDOWN
BIAS
IN (+)
IN (
-
)
OUT (+)
V
DD
GND
OUT (
-
)
April 16, 2004
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