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BD28623MUV-E2 데이터시트(PDF) 1 Page - Rohm

부품명 BD28623MUV-E2
상세설명  Class D Speaker Amplifier for Digital Input
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제조업체  ROHM [Rohm]
홈페이지  http://www.rohm.com
Logo ROHM - Rohm

BD28623MUV-E2 데이터시트(HTML) 1 Page - Rohm

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Datasheet
Product structure:Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays
1/49
© 2015 ROHM Co., Ltd. All rights reserved.
20.May.2016 Rev.002
www.rohm.com
TSZ22111・14・001
TSZ02201-0C1C0E900290-1-2
Middle Power Class-D Speaker Amplifier Series
17W+17W
Class D Speaker Amplifier for Digital Input
BD28623MUV
General Description
BD28623MUV is a Class D Speaker Amplifier designed for
Flat-panel TVs in particular for space-saving and
low-power consumption. This IC delivers an output power
of 20W+20W. This IC employs state-of-the-art Bipolar,
CMOS, and DMOS (BCD) process technology. With this
technology, the IC can achieve high efficiency. In addition,
the IC is packaged in a compact back-surface heat-sink
type power package to achieve low power consumption
and low heat generation and to eliminate need for external
heat-sink. With this package, total output power is only
34W as compared to 40W total output power of package
with external heat-sink This product satisfies all needs for
drastic downsizing, low-profile structures and powerful
high quality playback of sound systems.
Features
1 Digital Audio Interface
I
2S format
SDATA: 16 / 20 / 24bit
LRCLK (fS): 32 kHz/ 44.1kHz / 48kHz
BCLK: 64fS (fixed)
MCLK: 256fS / 512fS Automatic Identification)
Low supply current at RESET mode.
Slew rate controller
; No need snubber circuit (Vcc≤22V)
Output Feedback Circuitry which prevents decrease of
sound quality caused by change of power supply
voltage, achieves low noise and low distortion, So
the large electrolytic-capacitors for Vcc bypass is able
to be eliminated.
Variable Gain (17dB / 20dB / 26dB)
Wide power supply voltage range (8.5V to 24V)
High efficiency, low heat
Pop noise prevention at power supply on / off
Soft Muting Technology
High reliability design by built-in protection circuits
- Overheat protection
- Under voltage protection
- Output short protection
- Output DC voltage protection
- Clock stop protection (MCLK, BCLK, LRCLK)
Small package (VQFN024V4040)
Applications
- Flat Panel TVs (LCD, Plasma)
- Home Audio (Sound Bar)
- Amusement Equipment
- Electronic Music Equipment
- Desktop PC, etc.
Key Specifications
Supply Voltage:
8.5V to 24V
Speaker Output Power:
17W+17W (Typ)
(VCC=18V, RL=8Ω, Gain=26dB)
Total Harmonic Distortion:
0.08% (Typ) @PO=1W
(VCC=12V, RL=8Ω, Gain=20dB)
Crosstalk:
90dB (Typ)
PSRR:
60dB (Typ)
Output Noise Voltage:
150μVrms (Typ)
Standby Current:
33μA (Typ)
Operating Temperature Range:
-25°C to +85°C
Package
W(Typ) x D(Typ) x H(Max)
VQFN024V4040
4.00mm x 4.00mm x 1.00mm
Typical Application Circuit
Digital Audio Source
SP ch1
(Lch)
SP ch2
(Rch)
Figure 1. Typical Application Circuit
VQFN024V4040


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