4CH Bridge (BTL) Driver - Sanyo
Description
Ordering number : ENN7336
Monolithic Linear IC
LA6564H
4CH Bridge (BTL) Driver for CD-R
Overview
The LA6564H is a 4-channel BTL driver developed for CD-ROM/R/RW and DVD-ROM actuator.
Package Dimensions
unit : mm 3234A-HSOP28H-C (375mil)
[ LA6564H ]
Functions
• Three power supply systems (with a separate preamplifier stage).
• Four bridge-connection (BTL) power amps built-in.
• IO max : 1A.
• Mute circuit (output ON/OFF) built-in.
With three systems (2-1-1).
• Provides output voltage setting pin (for 4CH only).
Specifications
Maximum Ratings at Ta = 25°C
Parameter Supply voltage 1 Supply voltage 2
Symbol
VCC max VS max
Allowable power dissipation
Pd max
Maximum input voltage Mute pin voltage Maximum output current Operating temperature Storage temperature
*1 Note : VCC≥VS*
VINB VMUTE IO max
Topr Tstg
Conditions *1 *1 Independent IC A specified substrate (114.
3mm×76.
1mm×1.
6mm/glass epoxy)
Each output
Ratings
14 14 0.
82
2
13 13
1 -30 to +85 -55 to +150
Unit V V W
W
V V A °C °C
92502 RM (IM) No.
7336-1/8
LA6564H
Recommended Operating Conditions at Ta = 25°C
Parameter
Supply voltage 1
Supply voltage 2
*1 Note : VCC≥VS*
Symbol
VCC VS
VCC *1 VS 1,2,3 *1
Conditions
Ratings 4 to 13.
5 4 to 13.
5
Unit V V
Electrical Characteristics at Ta = 25°C, VCC = 12V, VS1 = VS2 = 5V, VS3 = 12V, VREF = 1.
65V, unless otherwise specified
Parameter
Symbol
Conditions
Ratings min typ max
[All Blocks]
VCC no-load current drain No-load current drain OFF
[Output AMP Block]
ICC-ON ICC-OFF
VCC current, all outputs ON (all MUTE : H) Total current of VCC and VS1 through 3 (All MUTE : L)
20 30 0.
5
Output offset voltage
VOFF
Between + and - outputs of each CH
-50 50
Output voltage 1 Output voltage 2 Closed-circuit voltage gain 1
VO1 VO2 VG1
RL = 8Ω, voltage between outputs of CH1 through CH3 RL = 16Ω, voltage between outputs of CH4 *1 CH1,2,3, input and output gain
*1
4 10.
5
10
4.
5 11 12
14
Closed-circuit voltage gain 2
VG2
CH4, input and output gain
1...
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