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Datasheet MAX9700DETB+T - Maxim Audio Amplifiers 1.2 W L-EMI Filterles Class D Audio Amp

Maxim MAX9700DETB+T

Part Number: MAX9700DETB+T

Manufacturer: Maxim

Description: Audio Amplifiers 1.2 W L-EMI Filterles Class D Audio Amp

data sheetDownload Data Sheet

Docket:
19-3030; Rev 2; 10/08
1.2W, Low-EMI, Filterless, Class D Audio Amplifier
General Description
The MAX9700 mono class D audio power amplifier provides class AB amplifier performance with class D efficiency, conserving board space and extending battery life. Using a class D architecture, the MAX9700 delivers 1.2W into an 8 load while offering efficiencies above 90%. A low-EMI modulation scheme renders the traditional class D output filter unnecessary. The MAX9700 offers two modulation schemes: a fixedfrequency (FFM) mode, and a spread-spectrum (SSM) mode that reduces EMI-radiated emissions due to the modulation frequency. Furthermore, the MAX9700 oscillator can be synchronized to an external clock through the SYNC input, allowing the switching frequency to be user defined. The SYNC input also allows multiple MAX9700s to be cascaded and frequency locked, minimizing interference due to clock intermodulation. The device utilizes a fully differential architecture, a fullbridged output, and c

Specifications:

  • Common Mode Rejection Ratio (Min): 72 dB
  • Maximum Power Dissipation: 1.951 W
  • Mounting Style: SMD/SMT
  • Operating Supply Voltage: 2.5 V to 5.5 V
  • Operating Temperature Range: - 40 C to + 85 C
  • Output Power: 1.2 W x 1 at 8 Ohm
  • Output Type: 1-Channel Mono
  • Package / Case: TDFN-10
  • Packaging Type: Reel
  • Product: Class-D
  • Supply Current: 4 mA
  • THD plus Noise: 0.01 %
  • RoHS: Yes

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