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SGM4890

Active

1.1W Audio Power Amplifier

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The SGM4890 is a fully-integrated audio power amplifier which operates from 2.5V to 5.5V supply voltage. It can deliver 1.1W into an 8Ω BTL load from 5V supply at THD+N = 1%. It is designed for portable application that needs low-component count.

The SGM4890 has a low power consumption shutdown mode and thermal shutdown protection.

The SGM4890 is applied to low power portable systems. Output coupling capacitors or bootstrap capacitors are not needed.

The SGM4890 provides an externally controlled gain (with resistors), as well as an externally controlled turn-on time (with the bypass capacitor) for maximum flexibility.

The SGM4890 is available in a Green MSOP-8 package. It operates over an ambient temperature range of -40 to +85.

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FEATURES
  • Supply Voltage Range: 2.5V to 5.5V

  • 1.1W into 8Ω BTL Load from 5V Power Supply at THD+N = 1% (Typical, per Channel)

  • Shutdown Current: 0.01μA (TYP)

  • High PSRR

  • Fast Turn-On Time

  • Unity-Gain Stable

  • Thermal Shutdown Protection

  • -40 to +85 Operating Temperature Range

  • Available in a Green MSOP-8 Package

APPLICATIONS

Mobile Phones

TVs

GPS

Portable Systems

Ordering Information
Part Number
StatusPackagePinsPd-Free
RoHS
REACH
Green
MSL RatingOperating Temperature RangeMaterial ContentReliability Report
Unit Resale Price*
(Volume Range: in USD)
Lead Time**
(Volume Range: Days)
SGM4890YMS/TR
Active
MSOP-8
8
Yes
YesYesYesMSL3
-40℃ to +85℃
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1-24 units : $0.7/unit
25-99 units : $0.6/unit
100-249 units : $0.5/unit
250-499 units : $0.4/unit
500-999 units : $0.35/unit
1000-9999 units : $0.26/unit
3K-9K : 14 days
10K-99K : 35 days
100K-999K : 70 days
1000K and above : 91 days

* The unit resale price is for reference purposes only. Please contact our distributors for a formal quotation.

** The lead time provided is for reference purposes only and is subject to change based on different circumstances.

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SG Micro Corp (SGMICRO) specializes in the development, manufacturing and sales of high-performance and high-reliability integrated circuits for analog signal conditioning and system power management, offering innovative solutions to a broad range of applications in the industrial, automotive, communication, computing, consumer electronics, and medical equipment markets.
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