Page 1
KA334
Dual Power Operat ional Amplifier
www.fairchildsemi.com
Features
• Output Current upto 1A
• Operates at Low Voltage (V
• Low Saturation Voltage (Ip=0.5A, V
• Thermal Shutdown (Tsd=145°C)
• Ground Compatibl e In put s
• Large Common-mode & Differential-mode Range
S(MIN)
=4V)
=1.5V)
O
Applications
• Servo Amplifier
• Power Supply
• Compact Disc
•VCR
• Monitor
Internal Block Diagram
Description
The KA334 is a high-power dual operational amplifier provided as a 8-DIP package. The operational amplifier is
designed for low impedance loads and will deliver output
current upto 1A. The KA334 can be used in a wide range of
applications in cluding power supply, VCR, monitor, servo
amplifier, compact disc, etc
8-DIP
1
©2000 Fairchild Semiconductor International
Vcc
1
-
2
K
+
8
7
A
3
3
3
/GND
V
EE
4
4
+
-
(8 DIP)
6
5
Rev. 5.0
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KA334
PIN Definitions
Pin Number Pin Function Descrition
1 Amp Output 1
2 Positive Supply Voltage
3 Amp Output 2
4 Vegative Supply Voltage (GND)
5 Amp Negative Input 2
6 Amp Positive Input 2
7 Amp Positive Input 1
8 Amp Negative Input 1
Absolute Maximum Ratings
Parameter Symbol Value Unit
Supply Voltage V
Input Voltage V
Differential Input Voltage V
Dc Output Current I
Peak Output Current (non repetitive) I
Power dissipation at: T
=50°CR
amb
Operating Temperature Range T
Storage and Junction Temperature T
stg
O
P
tot
op
S
i
i
, T
j
40 V
V
S
±V
S
1A
1.5 A
1W
-40 to 85 °C
-40 to 150 °C
-
-
Thermal Data
Parameter Symbol Value Unit
Thermal Resistance Junction-Ambient Rθja 100 °C/W
2
Page 3
Electrical Characteristics
( Vcc = +12V, VEE = -12V, Ta = 25°C unless otherwise specified )
Parameter Symbol Conditions Min. Typ. Max. Unit
Supply Voltage (V
Supply Current
Input Bias Current I
Input Offset Voltage V
Input Offset Current I
Slew Rate SR Vin = 1Vpp, Unit Gain - 1 - V/µs
Gain-Bandwidth Product B - - 350 - KHz
Input Resistance R
Lange Signal G
Input Noise Voltage e
Input Noise Current I
Common Mode Rejection Ratio CMRR - 60 75 - dB
Supply Voltage Rejection Ratio PSRR
Output Voltage Swing V
Channel Separation C
Total Harmonic Distortion THD f = 1kHz, R
Thermal Shutdown Junction
Temperature
- VEE)V
CC
I
S
b
OS
OS
N
S
i
V
N
O
S
TSD - - 160 - °C
4-28V
VO = VCC/2
V
=24V, VEE=0V
CC
V
=12V, VEE=0V
CC
-
-
8
7.5
12
11
--0.32.5µA
- - 15 60 mV
- - 50 250 nA
- 500 - - KΩ
V
= ±10V 65 75 - dB
O(pp)
B = 20KHz - 10 - µV
B = 20KHz - 200 - pA
V
=+15V, VEE = -15V
CC
V
=+5V, VEE = -5V
CC
54 62 - dB
VCC = 24V, VEE = 0V
Ip = 0.4A
Ip = 0.5A
f = 1kHz; RL = 10Ω,
G
= 30dB
V
= GV = 1dB - 0.5 - %
L
21
21
23
22.5
-
-
-60-dB
KA334
mA
mA
V
V
3
Page 4
KA334
Applications
< Tilt Coil Current Control Circuit in Monitor>
V
CC
36kΩ
6
+
IN
10kΩ
CH2
5
V
EE
2
3
4
7
8
+
CH1
-
2
1
4
3.3uF
50V
Tilt Coil
9.1kΩ
40kΩ
1kΩ
V
EE
33Ω
4
Page 5
KA334
Mechanical Dimensions
Package
Dimensions in millimeters
6.40
±0.20
±0.008
0.252
#1
#4 #5
#8
8-DIP
0.79
0.031
MAX
9.60
0.378
±0.008
±0.20
9.20
0.362
()
±0.10
0.46
2.54
±0.004
0.018
0.100
±0.10
±0.004
1.524
0.060
0~15°
7.62
0.300
0.25
0.010
5.08
0.200
3.40
0.134
+0.10
–0.05
+0.004
–0.002
MAX
±0.20
±0.008
0.33
0.013
MIN
3.30
0.130
±0.30
±0.012
5
Page 6
KA334
Ordering Information
Product Number Package Operating Temperature
KA334 8-DIP 0°C ~ +105°C
6
Page 7
KA334
7
Page 8
KA334
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURT HER NOTICE TO ANY
PRODUCTS HEREI N TO IMPROVE RELIABILITY, FUNCTIO N OR DESIGN. FAIRCH IL D DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER IT S PATENT RIGHTS, NOR THE RIGHTS OF OTHE RS.
LIFE SUPPORT POL I CY
FAIRCHILD’S PR ODUCTS ARE NOT AUTH ORIZED FOR USE AS C RITICAL COMPONENT S IN LIFE SUPPORT DE VICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
INTERNATIONAL. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and (c) whose failure to
perform when properly used in accordance with
2. A critical component in any component of a life support
device or sy stem whose fai lure to perform can be
reasonably expec ted to cause the failur e of the life support
device or system, or to affect its safety or effec t iv ene ss .
instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.
www.fairchildsemi.com
9/25/00 0.0m 001
2000 Fairchild Semiconductor International
Stock#DSxxxxxxxx
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