Power Operational Amplifier

Ordering number : EN2623F
LA6500
Monolithic Linear IC
Power Operational Amplifier
http://onsemi.com
Overview
The LA6500 is a power operational amplifier.
Features
• High output current (IO max = 1.0A)
• High gain
• With current limiter
• Capable of being operated from single supply
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
±18
Maximum supply voltage
VCC/VEE
Differential input voltage
VID
30
V
V
Common-mode input voltage
VIN
±15
V
Output current
IO max
Allowable power dissipation
Pd max1
With infinity large heat sink
Pd max2
Independent IC
1.75
W
Operating temperature
Topr
-20 to +75
°C
Storage temperature
Tstg
-55 to +150
°C
1.0
A
20
W
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Semiconductor Components Industries, LLC, 2013
June, 2013
82708 MS/32896HA(II)/7297TA,TS No.2623-1/4
LA6500
Electrical Characteristics at Ta = 25°C, VCC /VEE = ±15V
Parameter
Symbol
Ratings
Conditions
min
Unit
typ
max
Quiescent current dissipation
ICCO
6.0
12.0
mA
Input offset voltage
VIO
2
6
mV
Input offset current
IIO
10
200
nA
Input bias current
IB
100
700
nA
Common-mode input voltage
VICM
-15
+13
V
Common-mode rejection
CMR
70
Maximum output voltage
VO
Voltage gain
VGO
Slew rate
SR
GV = 0, RL = 33Ω, R = 2.2Ω, L = 0.1μF
Equivalent input noise voltage
VNI
Rg = 1kΩ, DIN AUDIO
Supply voltage rejection
SVR
30
Limiting current
ISC
1.0
range
80
±12
RL = 33Ω
dB
±13
V
100
dB
0.15
V/μs
μV
2
150
μV/V
A
Package Dimensions
unit : mm (typ)
3079C
Pd max -- Ta
4.5
2.7
0.9
5
1
0.8
(1.6)
17.8
21.3
23.0
15.0
1.3
(8.8)
3.6
2.7
10.4max
10.0
Allowable power dissipation, Pd max -- W
25
1.7
0.45
4.5
Infinite heat sink
20
15
5°C/W heat sink
10
10°C/W heat sink
5
20°C/W heat sink
No heat sink
0
-20
8.4
0
20
40
60
75 80
Ambient temperature, Ta -- °C
SANYO : 220-5H
Pin Assignment
+
−
2
3
4
5
+VIN
−VIN
VEE
OUTPUT
VCC
Top view
1
No.2623-2/4
LA6500
Equivalent Circuit
−VIN
2
Current limiter
5 VCC
+VIN
1
4 OUTPUT
3 VEE
Test Circuit
(1) VIO, SVRR
(2) VO
(3) CMMR, VICM
9.9kΩ
9.9kΩ
100Ω
100Ω
+
+
±1V
9.9kΩ
100Ω
VIO is VCC / VEE = ± 15V
VCC = 15, 5V
SVRR is
VEE = -5, -15V
(3) IB(+)
(5) IIO
9.9kΩ
9.9kΩ
100Ω
50kΩ
VO2
100Ω
50kΩ
+
100Ω
9.9kΩ
IB(+) =
9.9kΩ
CMRR V1 = ± 7.5V
15×100
CMR = 20log
ΔVO
(4) IB(−)
VO2 − VO1
50kΩ×100
(7) ICC
50kΩ
100Ω
9.9kΩ
IB(−) =
50kΩ
VO3
+
100Ω
V1
VIO = VO1 / 100
ΔVO1
SVR(+)
=
SVR(−) 100×10V
9.9kΩ
100Ω
VO
100Ω
2kΩ
VO3 − VO1
50kΩ×100
+
100Ω
VO
+
VO1
100Ω
VO4
9.9kΩ
IIO =
VO4 − VO1
50kΩ×100
(8) SR
+15V
Oscilloscope
ICC
+
Pulse
Generator
1kHz
2kΩ
+
−15V
10Vp-p Square wave
No.2623-3/4
LA6500
(9) VGO
(10) VNI
5pF
100kΩ
100kΩ
+
+
100Ω
NULL
1kΩ
VO
+
100Ω
1kΩ
100kΩ
VGO = 20log
DIN
AUDIO
Filter
1000×20
ΔVO
Application Circuit Example
VCC
+
5
3
2.2Ω
0.1μF
LA6500
4
OUT
+
VEE
2
1
−VIN
+VIN
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PS No.2623-4/4