LM311M

www.fairchildsemi.com LM311 Single Comparator Features Description • • • • • • The LM311 series is a monolithic, low input current voltage comparator. The device is also designed to operate from dual or single supply voltage. Low input bias current : 250nA (Max) Low input offset current : 50nA (Max) Differential Input Voltage : ±30V Power supply voltage : single 5.0V supply to ±15V. Offset voltage null capability. Strobe capability. 8-DIP 1 8-SOP 1 Internal Block Diagram Rev. 1.0.1 ©2001 Fairchild Semiconductor Corporation LM311 Schematic Diagram Absolute Maximum Ratings Parameter Total Supply Voltage Output to Negative Supply Voltage LM311 Ground to Negative voltage Differential Input Voltage Value Unit VCC 36 V VO - VEE 40 V VEE -30 V VI(DIFF) 30 V Input Voltage VI ±15 V Output Short Circuit Duration - 10 sec PD 500 mW Operating Temperature Range TOPR 0 ~ +70 °C Storage Temperature Range TSTG - 65 ~ +150 °C Power Dissipation 2 Symbol LM311 Electrical Characteristics (VCC = 15V, TA = 25°C, unless otherwise specified) Parameter Symbol Input Offset Voltage VIO Input Offset Current IIO Input Bias Current Voltage Gain Response Time Conditions Min. Typ. Max. - 1.0 7.5 Note 1 - - 10 - 6 50 Note 1 - - 70 - 100 250 - - 300 40 200 - V/mV ns RS ≤ 50KΩ IBIAS Note 1 GV Note 2 TRES IO =50mA, VI ≤ -10mV Saturation Voltage Strobe “ON” Current VSAT VCC ≥ 4.5V, VEE =0V IO =8mA, VI ≤ -10mV, ISTR(ON) Note 1 - Output Leakage Current ISINK ISTR =3mA, VI ≥ 10mV VO =15V, VCC=±15V Input Voltage Range VI(R) Note 1 Unit mV nA nA - 200 - - 0.75 1.5 - 0.23 0.4 - 3 - mA - 0.2 50 nA - V -14.5 -14.7 to to 13.0 13.8 V Positive Supply Current ICC - - 3.0 7.5 mA Negative Supply Current IEE - - -2.2 -5.0 mA ISTR - - 3 - mA Strobe Current Notes : 1. 0 ≤ TA ≤ +70°C 2. The response time specified is for a 100mV input step with 5mV over drive. 3 LM311 Typical Performance Characteristics 4 Figure 1. Input Bias Current vs Temperature Figure 2. Input Offset Current vs Temperature Figure 3. Offset Voltage vs Input Resistance Figure 4. Input Bias Current vs Differential input voltage Figure 5. Common Mode Limits vs Temperature Figure 6. Output Voltage vs Differential input voltage LM311 Typical Performance Characteristics (continued) Figure 7. Saturation voltage vs Current Figure 8. Supply Current vs Temperature Figure 9. Leakage Current vs Temperature Figure 10. Supply Current vs Supply Voltage Figure 11. Current Saturation Voltage Figure 12. Output Limiting Characterstics 5 LM311 Mechanical Dimensions Package 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 0.013 MIN 0.060 ±0.004 #5 1.524 ±0.10 #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 LM311 Mechanical Dimensions (Continued) Package 8-SOP MIN #5 1.80 MAX 0.071 5.72 0.225 ° 3.95 ±0.20 0.156 ±0.008 0~ 8 +0.10 0.15 -0.05 +0.004 0.006 -0.002 MAX0.10 MAX0.004 6.00 ±0.30 0.236 ±0.012 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 LM311 Ordering Information Product Number 8 Package LM311N 8-DIP LM311M 8-SOP Operating Temperature 0 ~ +70°C LM311 9 LM311 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 6/1/01 0.0m 001 Stock#DSxxxxxxxx  2001 Fairchild Semiconductor Corporation