Fairchild Semiconductor KA334 Datasheet
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
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
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
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