BA3528 datasheet, PDF - EEWORLD Datasheet

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BA3528: DescriptionPre / power amplifier and motor governor for 3V headphone stereos; File Size242KB，14 Pages; ManufacturerROHM Semiconductor; Websitehttps://www.rohm.com/

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BA3528 Overview

Pre / power amplifier and motor governor for 3V headphone stereos

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Audio ICs

Pre / power amplifier and motor

governor for 3V headphone stereos

BA3528AFP / BA3529AFP

The BA3528AFP and AB3529AFP have been developed for headphone stereos. They run off a 3V power supply, and

include dual pre- and power amplifiers, and a motor governor.

The preamplifiers are direct-coupled, and the power amplifiers use a fixed-gain NF circuit. An on-chip V

REF

amplifier

makes output coupling capacitors unnecessary, and the motor governor uses a bridge ratio system to minimize the exter-

nal parts count and make reliable and compact designs possible.

FApplications

3V portable stereo equipment

FFeatures

1) All the functions required for headphone stereo units

on a single chip.

2) Preamplifier includes a mute amplifier.

3) Direct-coupled preamplifier.

4) No output coupling capacitors required for the power

amplifiers.

5) Power amplifiers do not require oscillation prevention

measures.

6) Power amplifier gain allows use of noise reduction

(BA3529AFP).

FAbsolute

maximum ratings (Ta = 25_C)

FRecommended

operating conditions (Ta = 25_C)

385

BA3528 Related Products

	BA3528	BA3528AFP	BA3529AFP
Description	Pre / power amplifier and motor governor for 3V headphone stereos	Pre / power amplifier and motor governor for 3V headphone stereos	Pre / power amplifier and motor governor for 3V headphone stereos
Is it lead-free?	-	Lead free	Lead free
Is it Rohs certified?	-	conform to	conform to
Maker	-	ROHM Semiconductor	ROHM Semiconductor
Parts packaging code	-	SOIC	SOIC
package instruction	-	HSOP-28	HSOP-28
Contacts	-	28	28
Reach Compliance Code	-	compli	compliant
ECCN code	-	EAR99	EAR99
Commercial integrated circuit types	-	AUDIO AMPLIFIER	AUDIO AMPLIFIER
Gain	-	39 dB	39 dB
harmonic distortion	-	10%	10%
JESD-30 code	-	R-PDSO-G30	R-PDSO-G30
JESD-609 code	-	e3/e2	e3/e2
length	-	18.5 mm	18.5 mm
Number of channels	-	2	2
Number of functions	-	1	1
Number of terminals	-	30	30
Maximum operating temperature	-	75 °C	75 °C
Minimum operating temperature	-	-25 °C	-25 °C
Nominal output power	-	0.034 W	0.034 W
Package body material	-	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	-	HSSOP	HSSOP
Encapsulate equivalent code	-	SOP42,.4,32	SOP42,.4,32
Package shape	-	RECTANGULAR	RECTANGULAR
Package form	-	SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH	SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH
Peak Reflow Temperature (Celsius)	-	260	260
power supply	-	3 V	3 V
Certification status	-	Not Qualified	Not Qualified
Maximum seat height	-	2.41 mm	2.41 mm
Maximum slew rate	-	18 mA	18 mA
Maximum supply voltage (Vsup)	-	6 V	6 V
Minimum supply voltage (Vsup)	-	1.8 V	1.8 V
surface mount	-	YES	YES
technology	-	BIPOLAR	BIPOLAR
Temperature level	-	COMMERCIAL EXTENDED	COMMERCIAL EXTENDED
Terminal surface	-	TIN/TIN COPPER	TIN/TIN COPPER
Terminal form	-	GULL WING	GULL WING
Terminal pitch	-	0.8 mm	0.8 mm
Terminal location	-	DUAL	DUAL
Maximum time at peak reflow temperature	-	10	10
width	-	7.5 mm	7.5 mm

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