ChongMing Group (HK) Int'l Co., Ltd
CHONGMING GROUP (HK) INT'L CO., LTD.
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LM3880MF-1AC/NOPB LM3880MFX-1AD_NOPB Audio Power Amplifier IC Audio Amplifiers
1 Features
Minimum External Parts
Wide Supply Voltage Range: 4 V–12 V or 5V–18V
Low Quiescent Current Drain: 4 mA
Voltage Gains from 20 to 200
Ground-Referenced Input
Self-Centering Output Quiescent Voltage
LowDistortion:0.2%(AV =20,VS =6V,RL =8Ω, PO =125mW,f=1kHz)
Available in 8-Pin MSOP Package
2 Applications
AM-FM Radio Amplifiers
Portable Tape Player Amplifiers
Intercoms
TV Sound Systems
Line Drivers
Ultrasonic Drivers
Small Servo Drivers
Power Converters
3 Description
The LM386M-1 and LM386MX-1 are power amplifiers designed for use in low voltage consumer applications. The gain is internally set to 20 to keep external part count low, but the addition of an external resistor and capacitor between pins 1 and 8 will increase the gain to any value from 20 to 200.
The inputs are ground referenced while the output automatically biases to one-half the supply voltage. The quiescent power drain is only 24 mW when operating from a 6-V supply, making the LM386M-1 and LM386MX-1 ideal for battery operation.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
LM386N-1 |
PDIP (8) |
9.60 mm × 6.35 mm |
|
LM386N-3 |
PDIP (8) |
9.60 mm × 6.35 mm |
|
LM386N-4 |
PDIP (8) |
9.60 mm × 6.35 mm |
|
LM386M-1 |
SOIC (8) |
4.90 mm × 3.90 mm |
|
LM386MX-1 |
SOIC (8) |
4.90 mm × 3.90 mm |
|
LM386MMX-1 |
VSSOP (8) |
3.00 mm × 3.00 mm |