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SSM2537 Datasheet - Analog Devices

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Part Name
SSM2537

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page
16 Pages

File Size
318.4 kB

MFG CO.
ADI
Analog Devices ADI

GENERAL DESCRIPTION
The SSM2537 is a PDM digital input Class-D power amplifier that offers higher performance than existing DAC plus Class-D solutions. The SSM2537 is ideal for power sensitive applications where system noise can corrupt the small analog signal sent to the amplifier, such as mobile phones and portable media players.

FEATURES
   Filterless digital Class-D amplifier
   Pulse density modulation (PDM) digital input interface
   2.7 W into 4 Ω load and 1.4 W into 8 Ω load at 5.0 V supply
      with <1% total harmonic distortion plus noise (THD + N)
   Available in 9-ball, 1.2 mm × 1.2 mm, 0.4 mm pitch WLCSP
   93% efficiency into 8 Ω at full scale
   Output noise: 25 µV rms at 3.6 V, A-weighted
   THD + N: 0.005% at 1 kHz, 100 mW output power
   PSRR: 80 dB at 217 Hz, with dither input
   Quiescent power consumption: 5.1 mW
      (VDD = 1.8 V, PVDD = 3.6 V, 8 Ω + 33 µH load)
   Pop-and-click suppression
   Configurable with PDM pattern inputs
   Short-circuit and thermal protection with autorecovery
   Smart power-down when PDM stop condition or no clock
      input detected
   64 × fS or 128 × fS operation supporting 3 MHz and 6 MHz clocks
   DC blocking high-pass filter and static input dc protection
   User-selectable ultralow EMI emissions and low latency modes
   Power-on reset (POR)
   Minimal external passive components

APPLICATIONS
   Mobile handsets

 

Part Name
Description
PDF
MFG CO.
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Unspecified
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Filterless Class-D Mono Audio Amplifier
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