BH3540AFS-E2 datasheet, PDF - EEWORLD Datasheet

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BH3540AFS-E2: DescriptionAudio Amplifier, 0.04W, 2 Channel(s), 1 Func, Bipolar, PDSO16, SSOP-16; CategoryAnalog mixed-signal IC Consumption circuit; File Size88KB，6 Pages; ManufacturerROHM Semiconductor; Websitehttps://www.rohm.com/; Environmental Compliance

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BH3540AFS-E2 Overview

Audio Amplifier, 0.04W, 2 Channel(s), 1 Func, Bipolar, PDSO16, SSOP-16

BH3540AFS-E2 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	ROHM Semiconductor
Parts packaging code	SOIC
package instruction	SSOP-16
Contacts	16
Reach Compliance Code	compliant
ECCN code	EAR99
Nominal bandwidth	20 kHz
Commercial integrated circuit types	AUDIO AMPLIFIER
Gain	3.74 dB
harmonic distortion	0.03%
JESD-30 code	R-PDSO-G16
JESD-609 code	e3/e2
length	6.6 mm
Number of channels	2
Number of functions	1
Number of terminals	16
Maximum operating temperature	75 °C
Minimum operating temperature	-10 °C
Nominal output power	0.04 W
Package body material	PLASTIC/EPOXY
encapsulated code	LSSOP
Encapsulate equivalent code	SOP16,.25,32
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
power supply	5 V
Certification status	Not Qualified
Maximum seat height	1.6 mm
Maximum slew rate	18 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.5 V
surface mount	YES
technology	BIPOLAR
Temperature level	COMMERCIAL EXTENDED
Terminal surface	TIN/TIN COPPER
Terminal form	GULL WING
Terminal pitch	0.8 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	10
width	4.4 mm

BH3540AFS-E2 Preview

Optical disc ICs

Headphone amplifier with

internal LPF and EVR for CD-ROM

BH3540AFS

The BH3540AFS is an H / P amplifier with internal secondary LPF and EVR circuits. When multibit output from a

D / A converter is input, the secondary LPF outputs an audio signal. Output level for headphones can be changed with

the EVR circuit. This IC also has independent internal mute circuits for the left and right channels.

FApplications

CD-ROM drives and other products (with line and headphone output pins) that process digital audio signals

FFeatures

1) Internal LPF, line amplifier and EVR.

2) Internal mute function.

3) Internal thermal shutdown circuit.

4) No attached oscillation prevention components are

needed, even at a load of 8Ω.

5) Mute function reduces the popping noises that can

occur when the power is turned on and off.

FBlock

diagram

146

Optical disc ICs

FAbsolute

maximum ratings (Ta = 25_C)

BH3540AFS

FRecommended

operating conditions

FElectrical

characteristics (unless otherwise noted, Ta = 25_C, V

= 5.0V, line R

= 50kΩ, H / P R

= 32Ω,

= 1.8dBV, f = 1kHz, EVR = Max.)

147

Optical disc ICs

FMeasurment

circuit

BH3540AFS

148

Optical disc ICs

FApplication

example

BH3540AFS

149

Optical disc ICs

FOperation

notes

(1) Preventing popping noises

The BH3540AFS has a mute function that reduces the

popping noises that can occur when the power is turned

on or off. To further reduce these popping noises, attach

a capacitor and resistor to the mute pin (pins 3 and 14).

BH3540AFS

(2)

Recommended time chart

FElectrical

characteristic curves

FExternal

dimensions (Units: mm)

150

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