la6545m Sanyo Semiconductor Corporation, la6545m Datasheet - Page 2

• Manufacturer Part Number: la6545m
• Description: Four-channel Bridge Btl Driver For Cd-rom
• Manufacturer: Sanyo Semiconductor Corporation

Recommended Operating Conditions at Ta = 25°C
Electrical Characteristics at Ta = 25°C, V
Notes 1. Design guarantee value.
System Figure
Operating supply voltage
V
V
VS1 no load current drain 1
VS1 no load current drain 2
VS2 no load current drain 1
VS2 no load current drain 2
Output offset voltage
Input voltage range 1
Output voltage 1
Output voltage 2
Closed circuit voltage gain
Slew rate
Muting on voltage
CC
CC
no load current drain 1
no load current drain 2
2. The MUTE1, and MUTE2 pins turn the output on when high and off when low. When the output is off, the outputs will be in the high-impedance
state.
The figure below shows the relationship between the channels and the MUTE pins and between the channels and the power supplies.
Parameter
Parameter
V
I
I
I
Symbol
I
CC
I
S
I
S
OF
V
CC
MUTE1
MUTE2
S
S
2-OFF
2-OFF
V
VO1
VO2
VG1
VG2
1-ON
2-ON
MUTE
SR
-OFF
1 to 4
IN
-ON
1
Output on (MUTE1 and MUTE2: high), V
Output off (MUTE1 and MUTE2: low), V
Output on (MUTE1 and MUTE2: high), V
Output off (MUTE1 and MUTE2: low), V
Output on (MUTE1 and MUTE2: high), V
Output off (MUTE1 and MUTE2: low), V
Potential difference between the + and – outputs for each
channel
Input voltage range for each channel
I
channels 1 and 2
I
channels 3 and 4
The BTL amplifier voltage gain for channels 1 and 2
The BTL amplifier voltage gain for channels 3 and 4
This value is doubled when measured across
the outputs. *
MUTE1 and MUTE2. The voltage at which the output
turns on. *
O
O
Symbol
V
= 700 mA, the difference between the outputs for
= 700 mA, the difference between the outputs for
V
S
CC
1, 2
CC
2
V
V
V
1
CC
S
CC
= V
1 and V
V
V
CH3 (14 dB)
CH4 (14 dB)
S
CH1 (7 dB)
CH2 (7 dB)
LA6545M
S
S
2 = 12 V, V
1, 2
1 and V
Conditions
S
2 are the output stage power supply.
S
2
Conditions
S
1 = 5 V, V
CC
S
S
CC
S
S
1
2
1
2
REF
VS1
VS2
= 1.65 V
min
A12688
10.5
–50
12
0
4
5
Ratings
typ
4.5
0.5
1.5
10
20
20
11
14
7
Ratings
4 to 13
4 to 13
max
+50
V
25
30
30
S
16
No. 6296-2/7
4
4
4
1
9
2
Unit
V/µs
Unit
mA
mA
mA
mA
mA
mA
mV
dB
dB
V
V
V
V
V
V