Rohm Breadcrumb

Rohm Productdetail

17W+17W Full Digital Speaker Amplifier with built-in DSP - BM28723MUV

BM28723MUV is a 17W+17W Class D stereo Speaker Amplifier with built-in DSP designed for TVs specifically for space-saving and low-power consumption. BM28723MUV features BCD (Bipolar, CMOS, DMOS) process technology to achieve high efficiency. In addition, BM28723MUV is packaged in a compact back surface heatsink type power package to attain low power consumption, low heat generation without external heatsink. The package Max output power is only 17W+17W (When RL=8Ω) as compared to 20W+20W (When RL=8Ω) Max output power of package with external heat-sink. The product satisfies all needs for drastic downsizing, low-profile structures and powerful high quality playback of sound systems.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number | BM28723MUV-DE2
Status | Active
Package | VQFN032V5050
Unit Quantity | 2500
Minimum Package Quantity | 2500
Packing Type | Taping
RoHS | Yes

Specifications:

Vcc(Min.)[V]

10.0

Vcc(Max.)[V]

24.0

Iq[mA]

45.0

I/F

2 wire port

Digital Audio I/F

I2S / LJ / RJ

Additional Feature

12-Band/ch BQ, 3-Band DRC, Pre-Scaler, Channel Mixer, Fine Master Volume, Hard Clipper, Level Meter

Speaker Amp Outputs

2.0

Speaker Amp THD+N[%]

0.08

Speaker Amp PSRR[dB]

60.0

Speaker Amp Input Type

Digital Signal

Speaker Amp Type

Class D

Speaker Amp Output Power(Max.)[W]

20

Operating Temperature (Min.)[°C]

-25

Operating Temperature (Max.)[°C]

85

Features:

  • Built-in DSP (Digital Sound Processor) for Audio Signal Processing
    for TVs 12-Band/ch BQ, 3-Band DRC, Pre-Scaler, Channel Mixer,
    Fine Master Volume, Hard Clipper, Level Meter, etc.
  • Single Input System for Digital Audio Interface
    (No Master Clock Required)
    • I²S / LJ / RJ Format
    • LRCLK: 32 / 44.1 / 48kHz
    • BCLK: 32 / 48 / 64fS
    • SDATA: 16 / 20 / 24 bit
  • Single Output System for Digital Audio Interface
    • I²S Format
    • SDATA: 16 / 20 / 24 bit
  • No Snubber Circuit Required (VCCP1, VCCP2≤22V)
    because of Slew Rate Control
  • Output Feedback Circuit which prevents decrease of sound quality caused by change of power supply voltage, achieves low noise and low distortion, So no large electrolytic-capacitors for Vcc bypass is required.
  • Wide Range of Power Supply Input Voltage
  • The monaural output reduces the number of external parts needed.
  • High Efficiency and Low Heat Dissipation allowing Miniaturization, Slim Design, and also Power Saving of the System
  • Eliminates pop-noise generated during the power supply ON/OFF. High quality muting performance is achieved using the soft-muting technology.
  • Built-in with Various Protection Functions for Highly Reliability Design
    • High Temperature Protection
    • Under Voltage Protection
    • Output Short Protection
    • DC Voltage Protection for speaker
    • Clock Stop Protection
  • Small Package, It reduces surface mount area