BD5426MUV datasheet, PDF - EEWORLD Datasheet

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BD5426MUV: Description10W+10W Class-D Speaker Amplifier for Analog Input; CategoryAnalog mixed-signal IC Consumption circuit; File Size349KB，16 Pages; ManufacturerROHM Semiconductor; Websitehttps://www.rohm.com/; Environmental Compliance

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BD5426MUV Overview

10W+10W Class-D Speaker Amplifier for Analog Input

BD5426MUV Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	ROHM Semiconductor
Parts packaging code	QFN
package instruction	7 X 7 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, QFN-48
Contacts	48
Reach Compliance Code	compli
ECCN code	EAR99
Nominal bandwidth	20 kHz
Commercial integrated circuit types	AUDIO AMPLIFIER
harmonic distortion	0.1%
JESD-30 code	S-XQCC-N48
JESD-609 code	e2
length	7 mm
Number of channels	2
Number of functions	1
Number of terminals	48
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Nominal output power	10 W
Package body material	UNSPECIFIED
encapsulated code	HVQCCN
Encapsulate equivalent code	LCC48,.27SQ,20
Package shape	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	260
power supply	12 V
Certification status	Not Qualified
Maximum seat height	1 mm
Maximum slew rate	50 mA
Maximum supply voltage (Vsup)	16.5 V
Minimum supply voltage (Vsup)	10 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal surface	Tin/Copper (Sn/Cu)
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	7 mm

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High Performance Class-D Speaker Amplifier Series

10W+10W Class-D

Speaker Amplifier for Analog Input

BD5426MUV

No.09075EAT08

●Description

BD5426MUV is a 10W + 10W stereo class-D power amplifier IC, developed for space-saving and low heat-generation

applications such as low-profile TV sets. The IC employs state-of-the-art Bipolar, CMOS, and DMOS (BCD) process

technology that eliminates turn-on resistance in the output power stage and internal loss due to line resistances up to an

ultimate level. With this technology, the IC has achieved high efficiency of 87% (9W + 9W output with 8Ω load), which is the

top class in the industry. The IC, in addition, employs a compact back-surface heat radiation type power package to achieve

low power consumption and low heat generation and eliminates necessity of installing an external radiator, up to a total

output of 20W. This product satisfies both needs for drastic downsizing, low-profile structures and powerful, high-quality

playback of the sound system.

●Features

1) A high efficiency of 87% (9W + 9W output with 8Ω load), which is the highest grade in the industry and low heat-generation.

2) An output of 10W + 10W (13V, with 8Ω load) is allowed without an external heat radiator.

3) Driving a lowest rating load of 6Ω is allowed.

4) Pop noise upon turning power on/off and power interruption has been reduced.

5) High-quality audio muting is implemented by soft-switching technology.

6) An output power limiter function limits excessive output to speakers.

7) High-reliability design provided with built-in protection circuits against high temperatures, against VCC shorting and GND

shorting, against reduced-voltage, and against applying DC voltage to speaker.

8) A master/slave function allowing synchronization of multiple devices reduces beat noises.

9) Adjustment of internal PWM sampling clock frequencies (250kHz to 400kHz) allows easy protective measures against

unwanted radio emission to AM radio band.

10) A compact back-surface heat radiation type power package is employed.

VQFN048V7070 7.0mm × 7.0mm × 1.0mm, pitch 0.5mm

www.rohm.com

1/15

2009.06 - Rev.A

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