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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 Bias Current 25nA Typ. Low Input Offset Current ±5nA Typ. Low Offset Voltage ±1mV Typ.
Descritpion
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 Power Supply Voltage Differential Input Voltage Input Voltage Output Short Circuit to GND Power Dissipation, Ta = 25°C 8-DIP 8-SOP Operating Temperature KA393/KA393A KA293/KA293A KA2903 Storage Temperature Symbol VCC VI(DIFF) VI PD Value ±18 or 36 36 - 0.3 to +36 Continuous 1040 480 0 ~ + 70 - 25 ~ + 85 - 40 ~ + 85 - 65 ~ + 150 Unit V V V mW
TOPR
°C
TSTG
°C
Thermal Data
Parameter Thermal Resistance Junction-Ambient Max. 8-DIP 8-SOP Symbol Rθja Value 120 260 Unit °C/W
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KA293/KA293A, KA393/KA393A, KA2903
Electrical Characteristics
(VCC =5V, TA=25°C, unless otherwise specified) Parameter Input Offset Voltage Input Offset Current Input Bias Current Symbol VIO IIO IBIAS Conditions VO(P) =1.4V, RS =0Ω VCM= 0 to1.5V Note 1 Note 1 Note 1 KA293A/KA393A Min. 0 VI(R) Note 1 ICC GV TLRES TRES ISINK VSAT IO(LKG) RL = ∞ , VCC = 5V RL = ∞, VCC = 30V VCC =15V, RL≥15KΩ (for large VO(P-P)swing) VI =TTL Logic Swing VREF =1.4V, VRL =5V, RL =5.1KΩ VRL =5V, RL =5.1KΩ VI(-)≥1V, VI(+) =0V, VO(P) ≤1.5V VI(-) ≥ 1V, VI(+) =0V ISINK = 4mA VI(-) = 0V, VI(+) = 1V Note 1 VO(P) = 5V VO(P) = 30V 0 50 6 0.6 0.8 200 350 1.4 18 160 0.1 ±1 ±5 65 ±2 ±4.0 ±50 ±150 250 400 VCC -1.5 VCC -2 1 2.5 400 700 1.0 KA293/KA393 0 0 50 6 ±1 ±5 65 0.6 0.8 200 350 1.4 18 160 0.1 ±5 ±9.0 ±50 ±150 250 400 VCC -1.5 VCC -2 1 2.5 400 700 1.0 Unit mV nA nA
Typ. Max. Min. Typ. Max.
Input Common Mode Voltage Range
V
Supply Current Voltage Gain Large Signal Response Time Response Time Output Sink Current Output Saturation Voltage Output Leakage Current
mA V/mV nS µS mA mV nA µA
NOTE 1 KA393 / KA393A : 0 ≤ TA ≤ +70°C KA293 / KA293A : -25 ≤ TA ≤ +85°C KA2903 : -40 ≤ TA ≤ +85°C
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KA293/KA293A, KA393/KA393A, KA2903
Electrical Characteristics (Continued)
(VCC =5V, TA=25°C, unless otherwise specified) Parameter Input Offset Voltage Input Offset Current Input Bias Current Input Common Mode Voltage Range Supply Current Voltage Gain Large Signal Response Time Response Time Output Sink Current Output Saturation Voltage Output Leakage Current
NOTE 1 KA393 / KA393A : 0 ≤ TA ≤ +70°C KA293 / KA293A : -25 ≤ TA ≤ +85°C KA2903 : -40 ≤ TA ≤ +85°C
Symbol VIO IIO IBIAS VI(R) ICC GV TLRES TRES ISINK VSAT IO(LKG)
Conditions VO(P) =1.4V, RS =0Ω VCM= 0 to 1.5V Note 1 Note 1 Note 1 Note 1 RL = ∞ , VCC = 5V RL = ∞, VCC = 30V VCC =15V, RL≥15KΩ(for large VO(P-P)swing) VI =TTL Logic Swing VREF =1.4V, VRL =5V, RL =5.1KΩ VRL =5V, RL =5.1KΩ VI(-)≥1V, VI(+) =0V, VO(P) ≤1.5V VI(-)≥1V, VI(+) =0V ISINK = 4mA VI(-) = 0V, VI(+) = 1V NOTE 1 VO(P) = 5V VO(P) = 30V
KA2903 Min. 0 0 25 6 Typ. ±1 ±9 ±5 ±50 65 0.6 1 100 350 1.5 16 160 0.1 Max. ±7 ±15 ±50 ±200 250 500 VCC-1.5 VCC-2 1 2.5 400 700 1.0
Unit mV nA nA V mA V/mV nS µS mA mV nA µA
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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
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KA293/KA293A, KA393/KA393A, KA2903
Mechanical Dimensions
Package Dimensions in millimeters
8-DIP
1.524 ±0.10 0.018 ±0.004 0.060 ±0.004 0.46 ±0.10 6.40 ±0.20 0.252 ±0.008 0.79 ) 0.031 #8 9.20 ±0.20 0.362 ±0.008 9.60 MAX 0.378 #5 2.54 0.100 5.08 MAX 0.200 7.62 0.300 3.40 ±0.20 0.134 ±0.008 3.30 ±0.30 0.130 ±0.012 0.33 MIN 0.013
#1
#4
0.25 –0.05
0~15°
+0.10
0.010 –0.002
+0.004
6
(
KA293/KA293A, KA393/KA393A, KA2903
Mechanical Dimensions (Continued)
Package Dimensions in millimeters
8-SOP
MIN 1.55 ±0.20 0.061 ±0.008 0.1~0.25 0.004~0.001
#1
#8 4.92 ±0.20 0.194 ±0.008 5.13 MAX 0.202
( #4 #5 6.00 ±0.30 0.236 ±0.012
+0.10 0.15 -0.05 +0.004 0.006 -0.002
0.56 ) 0.022 1.80 MAX 0.071 MAX0.10 MAX0.004 3.95 ±0.20 0.156 ±0.008 5.72 0.225 0.50 ±0.20 0.020 ±0.008
0~
8°
1.27 0.050
0.41 ±0.10 0.016 ±0.004
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KA293/KA293A, KA393/KA393A, KA2903
Mechanical Dimensions (Continued)
Package Dimensions in millimeters
9-SIP
#1
21.84 ±0.20 0.860 ±0.008
22.24 MAX 0.876
1.20 ±0.10 0.047 ±0.004
#9 5.80 ±0.20 0.228 ±0.008 7.30 MAX 0.287
1.15 ±0.20 0.045 ±0.008 3.30 ±0.30 0.130 ±0.012
2.54 0.100
0.60 ±0.10 0.024 ±0.004
(
0.76 ) 0.030
1.25 ±0.10 0.049 ±0.004
0.25 ±0.1.