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PDF LA4705 Data sheet ( Hoja de datos )
| Número de pieza | LA4705 | |
| Descripción | 15 W 2-channel BTL AF Power Amplifier for Car Stereos | |
| Fabricantes | Sanyo | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LA4705 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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Ordering number: EN3848D
Monolithic Linear IC
LA4705
15 W 2-channel BTL AF Power Amplifier
for Car Stereos
Overview
The LA4705 is a BTL two-channel power IC for car audio and
radio-cassette players developed in pursuit of excellent sound
quality. Low-region frequency characteristics have been
improved through the use of a new NF capacitorless circuit,
and crosstalk which causes ‘‘muddy’’ sound has been reduced
by improving both circuit and pattern layout. As a result, the
LA4705 provides powerful bass and clear treble. In addition,
the LA4705 features on-chip protectors and standby switch.
Package Dimensions
unit: mm
3109-SIP18H
[LA4705]
Features
. High power: supports total output of 25 W + 25 W
(VCC = 14.4 V, THD = 30%, RL = 4 Ω)
. Less pop noise
. Designed for excellent sound quality
(fL < 10 Hz, fH = 130 kHz)
. Any on time settable by external capacitor
. Standby switch circuit on chip (microprocessor supported)
. Various protectors on chip
(output-to-ground short/output-to-VCC short/
load short/overvoltage/thermal shutdown circuit)
. NF capacitorless
. Supports RL = 2 Ω
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Surge supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max 1
VCC max 2
VCC surge
Pd max
Topr
Tstg
Conditions
No signal, t = 60 s
With signal
t % 0.2 s, single giant pulse
Arbitrarily large heat sink
* Set VCC, RL in a range that does not exceed Pd max = 37.5 W
SANYO : SIP18H
Ratings
24
18
50
37.5
–35 to +85
–40 to +150
Unit
V
V
V
W
°C
°C
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
D3096HA(II)/12693TS/4152TS No.3848-1/8
1 page  
PO – VIN
LA4705
PO – VCC
Input level, VIN – Vrms
PO – VCC
Supply voltage, VCC – V
THD – PO
Supply voltage, VCC – V
THD – PO
Output power, PO – W
THD – PO
Output power, PO – W
THD – f
Input frequency, f – Hz
Output power, PO – W
f Response
0 dBm = VG 40 dB
Input frequency, f – Hz
No.3848 -5/8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet LA4705.PDF ] | |
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