Fairchild Semiconductor KA393S, KA393D, KA393, KA293A, KA293 Datasheet
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KA293/KA293A, KA393/KA393A,
KA2903
Dual Differential Comparator
Features
• Single Supply Operation: 2V to 36V
• Dual Supply Operation: ± 1V to ±18V
• Allow Comparison of Voltages Near Ground Potential
• Low Current Drain 800µA Typ .
• Compatible with all Forms of Logic
• Low Input Bi as Current 25nA Typ.
• Low Input Offset Current ±5nA Typ.
• Low Offset Voltage ±1mV Typ.
Internal Block Diagram
Descritpion
The KA293 series consists of two independent voltage
comparators des i gned to operate from a single power su pply
over a wide voltage range.
8-DIP
1
8-SOP
1
9-SIP
1
©2001 Fairchild Semiconductor Corporation
Rev. 1.0.2
KA293/KA293A, KA393/KA393A, KA2903
Schematic Diagram
Absolute Maximum Ratings
Parameter Symbol Value Unit
Power Supply Voltage V
Differential Input Voltage V
Input Voltage V
Output Short Circuit to GND - Continuous Power Dissipation, Ta = 25°C
8-DIP
8-SOP
Operating Temperature
KA393/KA393A
KA293/KA293A
KA2903
Storage Temperature T
CC
I(DIFF)
I
P
D
T
OPR
STG
±18 or 36 V
36 V
- 0.3 to +36 V
1040
480
0 ~ + 70
- 25 ~ + 85
- 40 ~ + 85
- 65 ~ + 150 °C
mW
°C
Thermal Data
Parameter Symbol Value Unit
Thermal Resistance Junction-Ambient Max.
8-DIP
8-SOP
Rθja 120
260
°C/W
2
Electrical Characteristics
(VCC =5V, TA=25°C, unless otherwise specified)
KA293/KA293A, KA393/KA393A, KA2903
Parameter Symbol Conditions
V
=1.4V, RS =0Ω - ±1 ±2- ±1 ±5
Input Offset Voltage V
Input Offset Current I
Input Bias Current I
Input Common Mode
Voltage Range
BIAS
V
Supply Current I
Voltage Gain G
Large Signal
Response
T
LRES
Time
Response Time T
Output Sink Current I
Output Saturation
Voltage
Output Leakage
Current
SINKVI(-)
V
I
O(LKG)
IO
IO
I(R)
CC
V
RESVRL
SAT
O(P)
= 0 to1.5V Note 1 - - ±4.0 - - ±9.0
V
CM
Note 1 - - ±150 - - ±150
Note 1 - - 400 - - 400
Note 1 0 -
RL = ∞ , V
= ∞, VCC = 30V - 0.8 2.5 - 0.8 2.5
R
L
VCC =15V, R
(for large V
= 5V - 0.6 1 - 0.6 1
CC
≥15KΩ
L
O(P-P)swing
VI =TTL Logic Swing
V
=1.4V, VRL =5V,
REF
R
=5.1KΩ
L
=5V, RL =5.1KΩ -1.4--1.4-µS
≥1V, V
≥ 1V, VI(+) =0V - 160 400 - 160 400
V
I(-)
I
= 4mA Note 1 - - 700 - - 700
SINK
V
= 0V,
I(-)
= 1V
V
I(+)
I(+)
=0V, V
V
O(P)
V
O(P)
KA293A/KA393A KA293/KA393
Min. Typ. Max. Min. Typ. Max.
- ±5 ±50 - ±5 ±50
- 65 250 - 65 250
V
CC
CC
-2
0-
0-
0-
-1.5
V
)
50 200 - 50 200 - V/mV
V
CC
-1.5
V
CC
-2
- 350 - - 350 - nS
≤1.5V 6 18 - 6 18 - mA
O(P)
= 5V - 0.1 - - 0.1 - nA
= 30V - - 1.0 - - 1.0 µA
Unit
mV
nA
nA
V
mA
mV
NOTE 1
KA393 / KA393A : 0 ≤ T
KA293 / KA293A : -25 ≤ T
KA2903 : -40 ≤ T
≤ +85°C
A
≤ +70°C
A
≤ +85°C
A
3
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