PA4990 Unisonic Technologies, PA4990 Datasheet

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PA4990

Manufacturer Part Number
PA4990
Description
1.2w Audio Power Amplifier With Active-low Shutdown Mode
Manufacturer
Unisonic Technologies
Datasheet
PA4990
1.2W AUDIO POWER
AMPLIFIER WITH ACTIVE-LOW
SHUTDOWN MODE
the UTC PA4990 is capable of delivering 1.2W of output power into
8Ω loads with less than 1% distortion.
phones (cellular/cordless), notebook computers PDAs and Portable
audio devices.
10nA. It also includes thermal shutdown protection internally. By
external gain setting resistors the gain can be configured.
* Operating: V
* 1.2W output power, V
* In shutdown mode: Ultra-low consumption (10nA)
* In grounded mode: 62dB PSRR @ 217Hz
* POP & CLICK near-zero
* Ultra-low distortion :0.1% (typ)
www.unisonic.com.tw
Copyright © 2008 Unisonic Technologies Co., Ltd
As a power amplifier which is operating on a single 5V supply,
The UTC PA4990 is optimally suited for applications: Mobile
The shutdown mode can reduce the supply current to less than
DESCRIPTION
FEATURES
ORDERING INFORMATION
PA4990-SM1-R
PA4990-S08-R
Normal
CC
=2.2V ~ 5.5V
UNISONIC TECHNOLOGIES CO., LTD
CC
=5V, THD=1%, f=1kHz, 8Ω Load
Ordering Number
PA4990L-SM1-R
PA4990L-S08-R
Lead Free
PA4990G-SM1-R
PA4990G-S08-R
Halogen Free
Lead-free:
Halogen-free: PA4990G
Package
MSOP-8
SOP-8
PA4990L
Tape Reel
Tape Reel
CMOS IC
Packing
QW-R502-235.C
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PA4990 Summary of contents

Page 1

... AMPLIFIER WITH ACTIVE-LOW SHUTDOWN MODE DESCRIPTION As a power amplifier which is operating on a single 5V supply, the UTC PA4990 is capable of delivering 1.2W of output power into 8Ω loads with less than 1% distortion. The UTC PA4990 is optimally suited for applications: Mobile phones (cellular/cordless), notebook computers PDAs and Portable audio devices ...

Page 2

... PA4990 PIN CONFIGURATION PIN DESCRIPTION PIN NO PIN NAME DESCRIPTION 1 SHUTDOWN Shutdown control input pin. 2 BYPASS Connected to a bypass capacitor. 3 +IN + pin of input signal. 4 -IN - pin of input signal Output pin1 OUT 6 V Supply voltage DD 7 GND GND Output pin2 OUT UNISONIC TECHNOLOGIES CO ...

Page 3

... PA4990 ABSOLUTE MAXIMUM RATING PARAMETER Supply Voltage Input Voltage Power Dissipation Junction Temperature Operating Temperature Storage Temperature Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. ...

Page 4

... PA4990 ELECTRICAL CHARACTERISTICS(Cont.) V =5V DD PARAMETER Supply Voltage Output Offset Voltage High Shutdown Voltage Low Supply Current Shutdown Current Output Power Total Harmonic Distortion+Noise Power Supply Rejection Ratio Wake-Up Time Shutdown Time UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw SYMBOL TEST CONDITIONS input signal ...

Page 5

... PA4990 BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw CMOS QW-R502-235.C ...

Page 6

... PA4990 TYPICAL APPLICATION CIRCUIT Audio Input C b UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com. 8Ω OUT DD -IN +IN A BIAS BYPASS SHUTDOWN Shutdown Control CMOS IC =- OUT GND QW-R502-235.C ...

Page 7

... PA4990 TYPICAL CHARACTERISTICS UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw CMOS QW-R502-235.C ...

Page 8

... PA4990 UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury ...

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