Power Amplifier. LA4270 Datasheet

LA4270 Amplifier. Datasheet pdf. Equivalent


Sanyo LA4270
Ordering number : EN1272740FC
LA4270
Monolithic Linear IC
6W Dual-Channel
AF Power Amplifier
Overview
The LA4270 is a High-output dual-channel AF Power IC.
(PO = 6.0W×2, VCC = 25V, RL = 8Ω, f = 1kHz, THD = 1.0%)
Features
Low distortion (THD = 0.1%, VCC = 25V, RL = 8Ω, f = 1kHz, PO = 2W).
Minimum number of external parts required (no bootstrap capacitor required).
Low pop noise at the time of power switch ON/OFF.
High ripple rejection (58dB typ).
Wide supply voltage range (10V to 32V).
On-chip protector against abnormality (thermal shutdown, overvoltage).
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Maximum output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
IO peak
Pd max
Topr
Tstg
Conditions
With heat sink. See Pd-Ta graph.
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Operating voltage range
Recommended load resistance
Symbol
VCC
VCC op
RL
Conditions
Ratings
35
3.5
20
20 to +75
40 to +150
Unit
V
V
W
°C
°C
Ratings
25
10 to 32
8
Unit
V
V
Ω
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
82708 MS JK/21500 (KT)/40194HK/3210MO/8026KI/6126AT/6245KI, TS No.1724-1/10


LA4270 Datasheet
Recommendation LA4270 Datasheet
Part LA4270
Description 6W Dual-Channel AF Power Amplifier
Feature LA4270; Ordering number : EN1272740FC LA4270 Monolithic Linear IC 6W Dual-Channel AF Power Amplifier Over.
Manufacture Sanyo
Datasheet
Download LA4270 Datasheet




Sanyo LA4270
LA4270
Electrical Characteristics at Ta = 25°C, VCC = 25V, RL = 8Ω, f = 1kHz, Rg = 600Ω, See specified test circuit
Parameter
Symbol
Conditions
Ratings
min typ max
Unit
Quiescent current
Voltage gain
ICCO
VG
25 45 90 mA
38 40 42 dB
Output power
Total harmonic distortion
Output noise voltage
Ripple rejection
Crosstalk
PO
THD
VNO
SVRR
CT
THD = 1%
PO = 2W
Rg = 10kΩ, BW = 20Hz to 20kHz
Rg = 10kΩ, fR = 100Hz, VR = 0dBm
Rg = 10kΩ
5.0 6.0
0.1
0.25
45 58
45 60
W
0.8 %
1.0 mV
dB
dB
Channel balance
ΔVG
1.5 dB
Package Dimensions
unit : mm (typ)
3024B
Pd max -- Ta
24
Infinite heat sink
20
200×200×1.5mm3
16
Al heat sink
Mounting torque
39N·cm
With silicone
grease applied
12 100×100×1.5mm 3
8 50×50×1.5mm3
4 No heat sink
0-20 0
20 40 60 80 100 120 140 160
Ambient Temperature, Ta -- °C
No.1724-2/10



Sanyo LA4270
Block Diagram
LA4270
Sample Printed Circuit Pattern
No.1724-3/10







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