KA293A [FAIRCHILD]
Dual Differential Comparator; 双路差分比较器型号: | KA293A |
厂家: | FAIRCHILD SEMICONDUCTOR |
描述: | Dual Differential Comparator |
文件: | 总10页 (文件大小:87K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
www.fairchildsemi.com
KA293/KA293A, KA393/KA393A,
KA2903
Dual Differential Comparator
Features
Descritpion
• 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 Bias Current 25nA Typ.
• Low Input Offset Current ±5nA Typ.
• Low Offset Voltage ±1mV Typ.
The KA293 series consists of two independent voltage
comparators designed to operate from a single power supply
over a wide voltage range.
8-DIP
1
8-SOP
1
9-SIP
1
Internal Block Diagram
Rev. 1.0.2
©2001 Fairchild Semiconductor Corporation
KA293/KA293A, KA393/KA393A, KA2903
Schematic Diagram
Absolute Maximum Ratings
Parameter
Symbol
Value
±18 or 36
36
Unit
Power Supply Voltage
Differential Input Voltage
Input Voltage
V
V
V
V
-
CC
V
I(DIFF)
V
-
- 0.3 to +36
Continuous
I
Output Short Circuit to GND
Power Dissipation, Ta = 25°C
8-DIP
8-SOP
P
1040
480
mW
°C
D
Operating Temperature
KA393/KA393A
KA293/KA293A
KA2903
T
0 ~ + 70
- 25 ~ + 85
- 40 ~ + 85
OPR
Storage Temperature
T
STG
- 65 ~ + 150
°C
Thermal Data
Parameter
Symbol
Value
Unit
°C/W
Thermal Resistance Junction-Ambient Max.
8-DIP
8-SOP
Rθja
120
260
2
KA293/KA293A, KA393/KA393A, KA2903
Electrical Characteristics
(V
CC
=5V, T =25°C, unless otherwise specified)
A
KA293A/KA393A
KA293/KA393
Parameter
Symbol
Conditions
=1.4V, R =0Ω
Unit
mV
nA
Min. Typ. Max. Min. Typ. Max.
V
V
-
-
-
-
-
-
±1
-
±2
±4.0
±50
±150
250
400
-
-
-
-
-
-
±1
-
±5
±9.0
±50
±150
250
400
O(P)
S
Input Offset Voltage
Input Offset Current
Input Bias Current
V
IO
= 0 to1.5V Note 1
CM
±5
-
±5
-
I
IO
Note 1
65
-
65
-
I
nA
BIAS
Note 1
V
V
CC
-1.5
CC
-1.5
0
0
-
-
0
0
-
-
Input Common Mode
Voltage Range
V
V
I(R)
CC
V
-2
V
CC
-2
CC
Note 1
R = ∞ , V
= 5V
-
-
0.6
0.8
1
-
-
0.6
0.8
1
L
CC
Supply Current
Voltage Gain
I
mA
R = ∞, V
L
= 30V
2.5
2.5
CC
V
=15V, R ≥15KΩ
L
CC
(for large V
G
50
200
-
50
200
-
V/mV
V
)
O(P-P)swing
Large Signal
Response
Time
V =TTL Logic Swing
I
T
V
=1.4V, V =5V,
RL
-
350
-
-
350
-
nS
LRES
REF
R =5.1KΩ
L
Response Time
T
V
V
V
=5V, R =5.1KΩ
-
6
-
1.4
18
-
-
-
6
-
1.4
18
-
-
µS
RES
RL
I(-)
L
Output Sink Current
I
≥1V, V
=0V, V ≤1.5V
O(P)
mA
SINK
I(+)
≥ 1V, VI(+) =0V
160 400
160 400
I(-)
Output Saturation
Voltage
V
mV
SAT
I
= 4mA
Note 1
-
-
0.1
-
700
-
-
-
0.1
-
700
-
SINK
V
V
= 5V
-
-
nA
O(P)
O(P)
Output Leakage
Current
V
V
= 0V,
= 1V
I(-)
I(+)
I
O(LKG)
= 30V
-
1.0
-
1.0
µA
NOTE 1
KA393 / KA393A : 0 ≤ T ≤ +70°C
A
KA293 / KA293A : -25 ≤ T ≤ +85°C
A
KA2903 : -40 ≤ T ≤ +85°C
A
3
KA293/KA293A, KA393/KA393A, KA2903
Electrical Characteristics (Continued)
(V
CC
=5V, T =25°C, unless otherwise specified)
A
KA2903
Min. Typ.
Parameter
Symbol
Conditions
Unit
mV
nA
nA
V
Max.
±7
V
V
=1.4V, R =0Ω
-
-
±1
±9
±5
±50
65
-
O(P)
S
Input Offset Voltage
Input Offset Current
Input Bias Current
V
IO
= 0 to 1.5V
Note 1
Note 1
Note 1
Note 1
±15
±50
±200
250
500
CM
-
I
IO
-
-
I
BIAS
-
0
0
-
-
V
-1.5
CC
Input Common Mode
Voltage Range
V
I(R)
CC
-
V
-2
CC
R = ∞ , V
= 5V
0.6
1
1
L
CC
Supply Current
I
mA
R = ∞, V
= 30V
-
2.5
L
CC
V
V
=15V, R ≥15KΩ(for large
L
CC
Voltage Gain
G
25
-
100
350
-
V/mV
nS
V
)
O(P-P)swing
V =TTL Logic Swing
I
Large Signal Response Time
T
-
LRES
V
V
V
V
=1.4V, V =5V, R =5.1KΩ
RL
REF
L
Response Time
T
RES
=5V, R =5.1KΩ
-
6
-
1.5
16
160
-
-
-
µS
RL
I(-)
L
Output Sink Current
I
≥1V, V
=0V, V ≤1.5V
O(P)
mA
SINK
I(+)
≥1V, VI(+) =0V
400
700
-
I(-)
Output Saturation Voltage
Output Leakage Current
NOTE 1
V
mV
SAT
I
= 4mA
NOTE 1
-
SINK
V
V
= 0V,
V
V
= 5V
-
0.1
-
nA
I(-)
O(P)
O(P)
I
O(LKG)
= 1V
= 30V
-
1.0
µA
I(+)
KA393 / KA393A : 0 ≤ T ≤ +70°C
A
KA293 / KA293A : -25 ≤ T ≤ +85°C
A
KA2903 : -40 ≤ T ≤ +85°C
A
4
KA293/KA293A, KA393/KA393A, KA2903
Typical Performance Characteristics
Figure 1. Supply Current vs Supply Voltage
Figure 2. Input Current vs Supply Voltage
Figure 3. Output Saturation Voltage vs Sink Current
Figure 4. Response Time for Various Input
Overdrive-Negative Transition
Figure 5. Response Time for Various Input
Overdrive-Positive Transition
5
KA293/KA293A, KA393/KA393A, KA2903
Mechanical Dimensions
Package
Dimensions in millimeters
8-DIP
6.40 ±0.20
0.252 ±0.008
#1
#4
#8
#5
3.30 ±0.30
0.130 ±0.012
5.08
MAX
0.200
7.62
0.300
3.40 ±0.20
0.134 ±0.008
0.33
MIN
0.013
6
KA293/KA293A, KA393/KA393A, KA2903
Mechanical Dimensions (Continued)
Package
Dimensions in millimeters
8-SOP
0.1~0.25
0.004~0.001
MIN
1.55 ±0.20
0.061 ±0.008
#8
#5
#1
#4
6.00 ±0.30
0.236 ±0.012
1.80
0.071
MAX
3.95 ±0.20
0.156 ±0.008
5.72
0.225
0.50 ±0.20
0.020 ±0.008
7
KA293/KA293A, KA393/KA393A, KA2903
Mechanical Dimensions (Continued)
Package
Dimensions in millimeters
9-SIP
#1
#9
5.80 ±0.20
1.15 ±0.20
0.228 ±0.008
0.045 ±0.008
3.30 ±0.30
0.130 ±0.012
7.30
MAX
0.287
6.00
MAX
0.236
8
KA293/KA293A, KA393/KA393A, KA2903
Ordering Information
Product Number
KA393
Package
Operating Temperature
8-DIP
KA393A
KA393D
KA393AD
KA393S
0 ~ + 70°C
8-SOP
9-SIP
8-DIP
KA293
KA293A
-25 ~ + 85°C
-40 ~ + 85°C
KA293D
KA293AD
KA2903
8-SOP
8-DIP
KA2903D
8-SOP
9
KA293/KA293A, KA393/KA393A, KA2903
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD 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 ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. 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
instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
12/21/01 0.0m 001
Stock#DSxxxxxxxx
2001 Fairchild Semiconductor Corporation
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