www.fairchildsemi.com KA293/KA293A, KA393/KA393A, KA2903 Dual Differential Comparator Features Descritpion • • • • • • • • The KA293 series consists of two independent voltage comparators designed to operate from a single power supply over a wide voltage range. 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. 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 Unit VCC ±18 or 36 V VI(DIFF) 36 V Input Voltage VI - 0.3 to +36 V Output Short Circuit to GND - Continuous - PD 1040 480 mW TOPR 0 ~ + 70 - 25 ~ + 85 - 40 ~ + 85 °C TSTG - 65 ~ + 150 °C Power Supply Voltage Differential Input Voltage Power Dissipation, Ta = 25°C 8-DIP 8-SOP Operating Temperature KA393/KA393A KA293/KA293A KA2903 Storage Temperature Thermal Data Parameter Thermal Resistance Junction-Ambient Max. 8-DIP 8-SOP 2 Symbol Value Unit Rθja 120 260 °C/W KA293/KA293A, KA393/KA393A, KA2903 Electrical Characteristics (VCC =5V, TA=25°C, unless otherwise specified) Parameter Symbol Input Offset Voltage VIO Input Offset Current IIO Input Bias Current Conditions KA293A/KA393A Min. KA293/KA393 Typ. Max. Min. Typ. Max. VO(P) =1.4V, RS =0Ω - ±1 ±2 - ±1 ±5 VCM= 0 to1.5V Note 1 - - ±4.0 - - ±9.0 - ±5 ±50 - ±5 ±50 - - ±150 - - ±150 - 65 250 - 65 250 - - 400 - - 400 0 - VCC -1.5 0 - VCC -1.5 0 - VCC -2 0 - VCC -2 RL = ∞ , VCC = 5V - 0.6 1 - 0.6 1 RL = ∞, VCC = 30V - 0.8 2.5 - 0.8 2.5 Note 1 IBIAS Note 1 Unit mV nA nA Input Common Mode Voltage Range VI(R) Supply Current ICC Voltage Gain GV VCC =15V, RL≥15KΩ (for large VO(P-P)swing) 50 200 - 50 200 - V/mV Large Signal Response Time TLRES VI =TTL Logic Swing VREF =1.4V, VRL =5V, RL =5.1KΩ - 350 - - 350 - nS Response Time TRES VRL =5V, RL =5.1KΩ - 1.4 - - 1.4 - µS Output Sink Current ISINK VI(-)≥1V, VI(+) =0V, VO(P) ≤1.5V 6 18 - 6 18 - mA Output Saturation Voltage VSAT VI(-) ≥ 1V, VI(+) =0V - 160 400 - 160 400 ISINK = 4mA Note 1 - - 700 - - 700 VI(-) = 0V, VI(+) = 1V VO(P) = 5V - 0.1 - - 0.1 - nA VO(P) = 30V - - 1.0 - - 1.0 µA Output Leakage Current Note 1 IO(LKG) V mA mV NOTE 1 KA393 / KA393A : 0 ≤ TA ≤ +70°C KA293 / KA293A : -25 ≤ TA ≤ +85°C KA2903 : -40 ≤ TA ≤ +85°C 3 KA293/KA293A, KA393/KA393A, KA2903 Electrical Characteristics (Continued) (VCC =5V, TA=25°C, unless otherwise specified) Parameter Input Offset Voltage VIO Input Offset Current IIO Input Bias Current IBIAS Input Common Mode Voltage Range VI(R) Supply Current ICC Voltage Gain GV Conditions KA2903 Unit Min. Typ. Max. VO(P) =1.4V, RS =0Ω - ±1 ±7 VCM= 0 to 1.5V - ±9 ±15 - ±5 ±50 - ±50 ±200 - 65 250 Note 1 - - 500 0 - VCC-1.5 Note 1 0 - VCC-2 RL = ∞ , VCC = 5V - 0.6 1 RL = ∞, VCC = 30V - 1 2.5 25 100 - V/mV Note 1 Note 1 VCC =15V, RL≥15KΩ(for large VO(P-P)swing) mV nA nA V mA Large Signal Response Time TLRES VI =TTL Logic Swing VREF =1.4V, VRL =5V, RL =5.1KΩ - 350 - nS Response Time TRES VRL =5V, RL =5.1KΩ - 1.5 - µS Output Sink Current ISINK VI(-)≥1V, VI(+) =0V, VO(P) ≤1.5V 6 16 - mA Output Saturation Voltage VSAT Output Leakage Current NOTE 1 KA393 / KA393A : 0 ≤ TA ≤ +70°C KA293 / KA293A : -25 ≤ TA ≤ +85°C KA2903 : -40 ≤ TA ≤ +85°C 4 Symbol IO(LKG) VI(-)≥1V, VI(+) =0V - 160 400 ISINK = 4mA NOTE 1 - - 700 VI(-) = 0V, VO(P) = 5V - 0.1 - nA VI(+) = 1V VO(P) = 30V - - 1.0 µA mV 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 1.524 ±0.10 #5 2.54 0.100 5.08 MAX 0.200 7.62 0.300 3.40 ±0.20 0.134 ±0.008 +0.10 0.25 –0.05 +0.004 0~15° 6 0.010 –0.002 3.30 ±0.30 0.130 ±0.012 0.33 MIN 0.013 0.060 ±0.004 #4 0.018 ±0.004 #8 9.60 MAX 0.378 #1 9.20 ±0.20 0.362 ±0.008 ( 6.40 ±0.20 0.252 ±0.008 0.46 ±0.10 0.79 ) 0.031 8-DIP KA293/KA293A, KA393/KA393A, KA2903 Mechanical Dimensions (Continued) Package Dimensions in millimeters 8-SOP MIN #5 6.00 ±0.30 0.236 ±0.012 8° 0~ +0.10 0.15 -0.05 +0.004 0.006 -0.002 MAX0.10 MAX0.004 1.80 MAX 0.071 3.95 ±0.20 0.156 ±0.008 5.72 0.225 0.41 ±0.10 0.016 ±0.004 #4 1.27 0.050 #8 5.13 MAX 0.202 #1 4.92 ±0.20 0.194 ±0.008 ( 0.56 ) 0.022 1.55 ±0.20 0.061 ±0.008 0.1~0.25 0.004~0.001 0.50 ±0.20 0.020 ±0.008 7 KA293/KA293A, KA393/KA393A, KA2903 Mechanical Dimensions (Continued) Package Dimensions in millimeters 9-SIP 0.60 ±0.10 0.024 ±0.004 2.54 0.100 1.20 ±0.10 0.047 ±0.004 22.24 MAX 0.876 21.84 ±0.20 0.860 ±0.008 ( 0.76 ) 0.030 #1 #9 8 0.25 ±0.10 0.010 ±0.004 1.25 ±0.10 0.049 ±0.004 3.30 ±0.30 0.130 ±0.012 5.80 ±0.20 0.228 ±0.008 7.30 MAX 0.287 6.00 MAX 0.236 3.00 ±0.20 0.118 ±0.008 1.15 ±0.20 0.045 ±0.008 KA293/KA293A, KA393/KA393A, KA2903 Ordering Information Product Number KA393 KA393A KA393D KA393AD KA393S KA293 KA293A KA293D KA293AD Package Operating Temperature 8-DIP 8-SOP 0 ~ + 70°C 9-SIP 8-DIP -25 ~ + 85°C 8-SOP KA2903 8-DIP KA2903D 8-SOP -40 ~ + 85°C 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