LTC1443/LTC1444/LTC1445 e lecTrical characTerisTics The l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25°C. V+ = 5V, V– = GND = 0V, unless otherwise noted. SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS VOH Output High Voltage IO = –15mA; LTC1443/LTC1445 l V+ – 0.4V V VOL Output Low Voltage IO = 1.8mA; LTC1443 l GND + 0.4V V IO = 1.8mA; LTC1444/LTC1445 l V– + 0.4V V Reference VREF Reference Voltage No Load, LTC1443 C Temp Range l 1.170 1.182 1.194 V I Temp Range l 1.164 1.200 V No Load, LTC1444/ C Temp Range l 1.209 1.221 1.233 V LTC1445 I Temp Range l 1.203 1.239 V ISOURCE Reference Output Source Current ∆VREF ≤ 1mV l 100 200 µA ISINK Reference Output Sink Current ∆VREF ≤ 2.5mV 10 15 µA ∆VREF ≤ 5mV l 10 15 µA Noise Voltage Noise 100Hz to 100kHz 100 µVRMS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.V+ = 3V, V– = GND = 0V, unless otherwise noted. SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITSPower Supply V+ Supply Voltage Range l 2.0 11.0 V ICC Supply Current IN+ = IN– = 80mV, HYST = REF l 5 8 µA Comparator VOS Comparator Input Offset Voltage VCM = 1.5V l ±3.0 ±10.0 mV I + – IN Input Leakage Current (IN+, IN–) VIN = VIN = 1.5V l ±0.01 ±1.0 nA Input Leakage Current (HYST) LTC1444/LTC1445 l ±0.02 ±1.0 nA VCM Comparator Input Common Mode Range l V– V+ – 1.3V V CMRR Common Mode Rejection Ratio V– to (V+ – 1.3V) 0.1 1.0 mV/V PSRR Power Supply Rejection Ratio V+ = 2V to 11V 0.1 1.0 mV/V Noise Voltage Noise 100Hz to 100kHz 100 µVRMS VHYST Hysteresis Input Voltage Range LTC1444, LTC1445 l REF – 50mV REF V tPD Propagation Delay Overdrive = 10mV, COUT = 100pF 14 µs Overdrive = 100mV, COUT = 100pF 5 µs VOH Output High Voltage IO = –10mA; LTC1443/LTC1445 l V+ – 0.4V V VOL Output Low Voltage IO = 0.8mA; LTC1443 l GND + 0.4V V IO = 0.8mA; LTC1444/LTC1445 l V– + 0.4V V Reference VREF Reference Voltage No Load, LTC1443 C Temp Range l 1.170 1.182 1.194 V I Temp Range l 1.164 1.200 V No Load, LTC1444/ C Temp Range l 1.209 1.221 1.233 V LTC1445 I Temp Range l 1.203 1.239 V ISOURCE Reference Output Source Current ∆VREF ≤ 1mV l 60 120 µA ISINK Reference Output Sink Current ∆VREF ≤ 2.5mV 10 15 µA ∆VREF ≤ 5mV l 10 15 µA Noise Noise Voltage 100Hz to 100kHz 100 µVRMS Note 1: Stresses beyond those listed under Absolute Maximum Ratings Maximum Rating condition for extended periods may affect device may cause permanent damage to the device. Exposure to any Absolute reliability and lifetime. 144345fe 4 Document Outline Features Applications Description Absolute Maximum Ratings Typical Application Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Package Description Revision History Typical Application Related Parts
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