Audio Amplifiers

LM4857SP/NOPB

Audio Amp Earpiece/Headphone/Speaker 1-CH Mono/2-CH Stereo 0.135W Class-AB 28-Pin UQFN EP T/R

Texas Instruments

Product Technical Specifications

• EU RoHS

  Compliant

• ECCN (US)

  EAR99

• Part Status

  Active

• HTS

  8542.33.00.01

• Automotive

  No

• PPAP

  No

• Function

  Earpiece/Headphone/Speaker

• Amplifier Type

  Class-AB

• THDN

  0.05%@8Ohm@400mW|0.04%@32Ohm@15mW

• Output Signal Type

  Differential|Single

• Output Type

  1-Channel Mono|2-Channel Stereo

• Maximum Input Offset Voltage (mV)

  40

• Minimum Dual Supply Voltage (V)

  2.5|2.7

• Typical Dual Supply Voltage (V)

  3|5

• Maximum Dual Supply Voltage (V)

  5.5

• Maximum Supply Current (mA)

  21@5V

• Power Supply Type

  Dual

• Typical Output Power x Channels @ Load (W)

  0.135x1@32Ohm|1.6x2@4Ohm|0.075x2@32Ohm

• Minimum Operating Temperature (°C)

  -40

• Maximum Operating Temperature (°C)

  85

• Packaging

  Tape and Reel

• Mounting

  Surface Mount

• Package Height

  0.6(Max) mm

• Package Width

  5 mm

• Package Length

  5 mm

• PCB changed

  28

• Standard Package Name

  QFN

• Supplier Package

  UQFN EP

• Pin Count

  28

• Lead Shape

  No Lead