la4261 Sanyo Semiconductor Corporation, la4261 Datasheet

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la4261

Manufacturer Part Number
la4261
Description
3.5 W 2-channel Af Power Amplifier For Home Stereos And Music Centers
Manufacturer
Sanyo Semiconductor Corporation
Datasheet

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Ordering number: EN1321E
Features
.
.
.
.
.
Specifications
Maximum Ratings at Ta = 25°C
Operating Conditions at Ta = 25°C
Maximum supply voltage
Maximum output current
Allowable power dissipation
Operating temperature
Storage temperature
Recommended supply voltage
Recommended load resistance
Operating supply voltage range
Minimum number of external parts required (No input
capacitor, bootstrap capacitor required).
High output: 3.5 W typ. 2.
Soft clip, causing little harmonic disturbance to radios
(See page 8).
Small pop noise at the time of power switch ON/OFF
(See page 8).
Built-in protector against abnormal modes (Thermal
shutdown, overvoltage).
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
Parameter
parameter
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
V
Pd max
Symbol
Symbol
V
CC
CC
Topr
Tstg
V
I
R
OP
CC
max
L
op
1 channel
With heat sink
(see Pd – Ta characteristics)
3.5 W 2-Channel AF Power Amplifier for
22897HA(II)/71093TS/2126KI/8064KI/8053KI,MT No.1321-1/8
Package Dimensions
3018A-SIP10F
unit : mm
Home Stereos and Music Centers
Conditions
Conditions
[LA4261]
–40 to +150
–20 to +75
Ratings
Ratings
9 to 24
Monolithic Linear IC
16
8
2.0
7.5
25
SANYO : SIP10F
LA4261
Unit
Unit
°C
°C
W
V
A
V
V

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la4261 Summary of contents

Page 1

... channel OP With heat sink Pd max (see Pd – Ta characteristics) Topr Tstg Symbol Conditions 22897HA(II)/71093TS/2126KI/8064KI/8053KI,MT No.1321-1/8 Monolithic Linear IC LA4261 [LA4261] SANYO : SIP10F Ratings Unit 25 V 2.0 A 7.5 W –20 to +75 °C –40 to +150 °C Ratings Unit ...

Page 2

... Total harmonic distortion THD Output noise voltage V Ripple rejection ratio Crosstalk Voltage gain difference Equivalent Circuit Block Diagram Pd max – Ta Infinite heat sink 2.5 No heat sink Ambient temperature, Ta – °C LA4261 = kHz 600 , (circuit Conditions CCO VG P THD = 10 0.5 W ...

Page 3

... C9 470 µF C10 100 µF R1, R2 100 k R3, R4 3.3 LA4261 Sample Application Circuit 2: Circuit with minimum number of external parts Unit (resistance: Feedback capacitor Decreasing the capacitance value lowers the low frequency response. Increasing the capacitance value makes the starting time later. Input short capacitor Reduces the high frequency noise when the input impedance is increased ...

Page 4

... Place power capacitor C9, oscillation blocking capacitors C6 close to IC pins as possible to prevent oscillation from occurring. Refer to the sample printed circuit pattern. P – Input voltage, V LA4261 Unit (resistance: IN – capacitance: F) THD – P ...

Page 5

... – Output power, P – – V CCO CC Quiescent Supply voltage, V – LA4261 P O Frequency, f – Response Frequency, f – – P Output power, P Vpin – V Pin 3 Pin 7, 10 Pin 1, 6 Supply voltage (pin 9), V – – ...

Page 6

... FILTER kHz Signal source resistance, Rg – Vro – Vr Ripple voltage, Vr – – Ta CCO Quiescent Ambient temperature, Ta – °C f Response Frequency, f – Hz LA4261 Vro – V Supply voltage, V Frequency, f – – R External resistance, R Frequency, f – – – – ...

Page 7

... LA4261 THD – VG Voltage gain, VG – dB Vrp – VG Voltage gain, VG – – FILTER kHz Voltage gain, VG – dB No.1321-7/8 ...

Page 8

... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of February 1997. Specifications and information herein are subject to change without notice. LA4261 Pop Noise Waveform at The Time of Power Switch OFF , quiescent) ...

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