Sanyo LA4535M Specifications

Ordering number:ENN2247A

Monolithic Linear IC

LA4535M

Power Amplifier for 1.5V Headphone Stereo

Features

•Low current drain.

•16Ω load drive capability.

•Excellent reduced voltage characteristics.

•Excellent power supply ripple rejection.

•Minimum number of external parts required (no input capacitor, feedback capacitor required).

•Less harmonic interference in radio band.

•On-chip power switch function, muting function.

Specifications

Package Dimensions

unit:mm

3086A-MFP10S

	[LA4535M]			0.625
10		6
			4.4	5.15	6.4
1		5	max	0.15
	5.1
			1.8
			1.5˚
			0.1
0.35	1.0		0.55	SANYO : MFP10S

Absolute Maximum Ratings at Ta = 25˚C

Parameter		Symbol	Conditions				Ratings			Unit
Maximum supply voltage		VCC max	Quiescent						4.5	V
Allowable power dissipation		Pd max							300	mW
Operating temperature		Topr					–20 to +75			˚C
Storage temperature		Tstg					–40 to +125			˚C
Operating Conditions at Ta = 25˚C
Parameter		Symbol	Conditions				Ratings			Unit
Recommended supply voltage		VCC							1.5	V
Operating voltage range		VCC op					0.9 to 4.0			V
Recommended load resistance		RL						16 to 32		Ω
Operating Characteristics at Ta = 25˚C, RL=16Ω, Rg=600Ω, See specified Test Circuit.
Parameter		Symbol	Conditions				Ratings			Unit
					min		typ		max
		Icco1	VCC=1.2V, quiescent				3.5		6.0	mA
Quiescent current *1		Icco2	VCC=2.5V, pin 10 → GND				1.5		2.5	mA
		Icco3	VCC=2.5V, pin 1 → GND						1.0	µA
Voltage gain		VG1	VCC=1.2V, f=1kHz, VO=–20dBm		20.5		22		23	dB
		VG2	VCC=0.9V, f=1kHz, VO=–20dBm		19.5		22		23	dB
Voltage gain difference		VG1	VCC=1.2V, f=1kHz, VO=–20dBm						1.0	dB
		VG2	VCC=0.9V, f=1kHz, VO=–20dBm						1.0	dB

Continued on next page.

Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications.

SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other parameters) listed in products specifications of any and all SANYO products described or contained herein.

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

21800TN (KT)/O147KI/9046KI, TS No.2247–1/3

LA4535M

Continued from preceding page.

Parameter	Symbol	Conditions		Ratings		Unit
			min	typ	max
Total harmonic distortion	THD	VCC=1.2V, f=1kHz, PO=0.5mW		0.8	1.5	%
Output power	PO	VCC=1.5V, f=1kHz, THD=10%	5	8		mW
Crosstalk	CT	VCC=1.2V, f=100Hz, Rg=1kΩ, VO=–20dB	40	45		dB
Ripple rejection	SVRR	VCC=1.0V, f=100Hz, Rg=1kΩ, VR=–30dBm,	45	50		dB
		BPF=100Hz
Output noise voltage	VNO	VCC=2.5V, Rg=1kΩ, BPF=20Hz to 20kHz		30	44	µV
Power off effect	VO (off)	VCC=0.9V, f=100Hz, pin 1 → GND, VIN=–10dB			–80	dBm
Muting effect	VO (MT)	VCC=0.9V, f=100Hz, pin 10 → GND, VIN=–10dB			–80	dBm
Power on current sensitivity	I1 (on)	VCC=0.85V, V5≥0.5V		0.1	1.0	µA
Power off voltage sensitivity	V1 (off)	VCC=0.85V, V5≤0.1V	0.5	0.65		V
Muting off current sensitivity	I10 (off)	VCC=0.85V, V5≥0.5V		0.3	1.0	µA
Muting on voltage sensitivity	V10 (on)	VCC=0.85V, V5≤0.1V	0.5	0.65		V

Note) The quiescent current is respresented by the current flowing into pin 6. The respective maximum currents flowing into pin 1 and pin 10 are calculated by (V pin –0.5) / 16 [V/kΩ] and the total current increases by these current values.

Equivalent Circuit Block Diagram

Test Circuit

No.2247–2/3