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KA293D [FAIRCHILD]

Dual Differential Comparator; 双路差分比较器
KA293D
型号： KA293D
厂家： FAIRCHILD SEMICONDUCTOR    FAIRCHILD SEMICONDUCTOR
描述：

Dual Differential Comparator
双路差分比较器

比较器
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
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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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