4-channel Bridge Driver - Sanyo
Description
Ordering number: EN 5897
Monolithic Linear IC
LA6541
4-channel Bridge Driver for Compact Discs
Overview
The LA6541 is a 4-channel bridge (BTL) driver with a 5 V power supply (uses an external PNP transistor) developed for compact discs.
Package Dimensions
unit : mm
3227-HSOP24
[LA6541]
15.
3
Functions and Features
4.
3 24
0.
3 0.
65 7.
9 2.
25 13
.
4-channel bridge (BTL) power amplifier.
.
I max.
= 700 mA.
.
With mute circuit
O
0.
3
0.
8
0.
1
SANYO : HSOP24
Specifications
Maximum Ratings at Ta = 25°C
Parameter Maximum supply voltage Maximum input voltage Mute pin voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max VINB VMute Pd max Topr Tstg When using standard board 114.
3 × 76.
1 × 1.
5 mm (material: glass epoxy) Conditions Ratings 14 13 13 2.
3 –20 to +75 –55 to +150 Unit V V V W °C °C
Operating Conditions at Ta = 25°C
Parameter Recommended operating voltage Reset output source current Reset output sink current Symbol VCC IORH IORL Conditions Ratings 5.
6 to 13 0 to 200 0 to 2 Unit V µA mA
SANYO Electric Co.
,Ltd.
Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg.
, 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
73098HA (II) No.
5897- 1/6
2.
5max
.
.
(Affects all amplifier outputs, Amp 1 to Amp 8).
(When the mute voltage is low, the outputs turn off; when the mute voltage is high, the outputs turn on).
5.
0 V regulator built in (Uses external PNP transistor).
Reset circuit built in (The reset output delay time can be adjusted through an external capacitor).
1
12 0.
85
0.
25
1.
3
10.
5
LA6541
Electrical Characteristics at Ta = 25°C, VCC = 8.
0 V, VREF = 2.
5 V
Parameter No-load current drain Symbol ICC1 ICC2 VOF1 Output offset voltage VOF2 Conditions When all amplifier outputs are on (Mute high) When all amplifier outputs are off (Mute low) Amplifier 1 to 2 (VO1 to VO2), Amplifier 3 to 4 (VO3 to VO4) Amplifier 5 to 6 (VO5 to VO6), Amplifier 7 to 8 (VO7 to VO8) min typ 20 15 max 40 35 +50 +50 VCC−1.
5 VCC−1.
5...
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