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LA6537 Datasheet(PDF) 2 Page - Sanyo Semicon Device

Part # LA6537
Description  4-channel Bridge Driver for CD and CD-ROMs
PDF  4 Pages
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA6537 Datasheet(HTML) 2 Page - Sanyo Semicon Device

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Electrical Characteristics at Ta=25 °C, VCC = 7.5 V
Parameter
Symbol
Conditions
min
typ
max
Unit
No-load current drain
ICC1
Note 1
20
40
60
mA
ICC2
Note 2
26
60
mA
Output offset voltage
VOF1
Note 3, amplifiers 1 to 2, 7 to 8
–50
+50
mV
VOF2
Note 3, ampifiers 3 ro 4, 5 to 6
–50
+50
mV
Input bias current
IB
100
500
nA
Buffer input voltage range
VBIN
1.5
VCC −1.5
V
Input voltage range
VIN
1.0
VCC −1.5
V
Output source voltage
VO1
Note 4, RL = 8.0 Ω
5.0
5.6
V
Output sink voltage
VO2
Note 5, RL = 8.0 Ω
1.8
2.4
V
Closed-circuit voltage gain
VG
Bridge amplifier
12
dB
Slew rate
SR
0.15
V/µs
Mute on voltage
VMUTE
2V
Mute on current
IMUTE
60
µA
Notes:
1.
Mute off and buffer in assume 0.5 V.
2.
Mute off and buffer in assume 1/2 VCC V.
3.
Represents the interoutput difference.
4.
Voltage relative to ground (source) when an 8
Ω load is connected between bridge amplifier outputs.
5.
Voltage relative to ground (sink) when an 8
Ω load is connected between bridge amplifier outputs.
Thus, muting is activated when high, and the amplifier outputs 5 and 6 are off.
Test Method
SW No.
Item
123456789
10
11
12
13
14
ICC1
a
ON
ON
OFF
OFF
b
b
OFF
ON
OFF
OFF
b
OFF
OFF
ICC2
a
ON
ON
OFF
OFF
b
b
OFF
ON
OFF
OFF
a
OFF
OFF
VOF1,2
b
ON
ON
OFF
OFF
b
b
OFF
ON
OFF
OFF
b
OFF
OFF
IB
b
OFF
OFF
ON
OFF
a
a
ON
OFF
OFF
OFF
b
OFF
OFF
VO1
b
OFF
ON
OFF
ON
b
a
OFF
OFF
OFF
ON
b
OFF
OFF
VO2
b
OFF
OFF
OFF
OFF
a
b
OFF
ON
ON
ON
b
OFF
OFF
VMUTE
b
ON
ON
OFF
OFF
b
b
OFF
ON
OFF
OFF
b
OFF
OFF
IMUTE
b
ON
ON
OFF
OFF
b
b
OFF
ON
OFF
OFF
b
OFF
OFF
VG
b
ON
ON
OFF
OFF
b
b
OFF
ON
OFF
OFF
b
ON
ON
1.
For ICC1 and 2, measure the inflow current on the VCC pin.
2.
For VOF1 and 2, measure the voltage between pins 5 and 6 (amplifiers 1 and 2), pins 25 and 26 (amplifiers 7 and 8), pins 10
and 11 (amplifiers 3 and 4), and pins 20 and 21 (amplifiers 5 and 6).
3.
For IB, measure the voltage across the 100 kΩ resistor (IB = V/100 kΩ).
4.
For VO1 and 2, measure each output voltage at input voltages 1.75 V and 5.75 V, respectively.
5.
VMUTE is the mute pin (pin 15) voltage when the output goes off.
6.
IMUTE is the mute pin (pin 15) inflow current when the output goes off.
7.
For VG, measure the voltage between pins 5 and 6 (amplifiers 1 and 2), pins 25 and 26 (amplifiers 7 and 8), pins 10 and 11
(amplifiers 3 and 4), and pins 20 and 21 (amplifiers 5 and 6) atf=1 kHz, and use the following formula:
VG = 20 log VO/VIN dB.
LA6537
No.5822-2/4



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