LT1993-2 DC ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25°C. VCCA = VCCB = VCCC = 5V, VEEA = VEEB = VEEC = 0V, ENABLE = 0.8V, +INAshorted to +INB (+IN), –INA shorted to –INB (–IN), VOCM = 2.2V, Input common mode voltage = 2.2V, no RLOAD unless otherwise noted. SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS CINDIFF Differential Input Capacitance 1 pF CMRR Common Mode Rejection Ratio Input Common Mode –0.1V to 5.1V l 45 70 dB ROUTDIFF Output Resistance 0.3 COUTDIFF Output Capacitance 0.8 pF Common Mode Voltage Control (VOCM Pin) GCM Common Mode Gain Differential (+OUT, –OUT), VOCM = 1.1V to 3.6V 0.9 1 1.1 V/V Differential (+OUT, –OUT), VOCM = 1.3V to 3.4V l 0.9 1.1 V/V VOCMMIN Output Common Mode Voltage Measured Single-Ended at +OUT and –OUT 1.1 V Adjustment Range, MIN l 1.3 V VOCMMAX Output Common Mode Voltage Measured Single-Ended at +OUT and –OUT 3.6 V Adjustment Range, MAX l 3.4 V VOSCM Output Common Mode Offset Voltage Measured from VOCM to Average of +OUT and –OUT l –30 4 30 mV IBIASCM VOCM Input Bias Current l 5 15 µA RINCM VOCM Input Resistance l 0.8 3 M CINCM VOCM Input Capacitance 1 pF ENABLE Pin VIL ENABLE Input Low Voltage l 0.8 V VIH ENABLE Input High Voltage l 2 V IIL ENABLE Input Low Current ENABLE = 0.8V l 0.5 µA IIH ENABLE Input High Current ENABLE = 2V l 1 3 µA Power Supply VS Operating Range l 4 5 5.5 V IS Supply Current ENABLE = 0.8V l 88 100 112 mA ISDISABLED Supply Current (Disabled) ENABLE = 2V l 250 500 µA PSRR Power Supply Rejection Ratio 4V to 5.5V l 55 90 dB AC ELECTRICAL CHARACTERISTICS TA = 25°C, VCCA = VCCB = VCCC = 5V, VEEA = VEEB = VEEC = 0V,ENABLE = 0.8V, +INA shorted to +INB (+IN), –INA shorted to –INB (–IN), VOCM = 2.2V, Input common mode voltage = 2.2V, no RLOADunless otherwise noted.SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITSInput/Output Characteristics –3dBBW –3dB Bandwidth 200mVP-P Differential (+OUT, –OUT) 500 800 MHz 0.1dBBW Bandwidth for 0.1dB Flatness 200mVP-P Differential (+OUT, –OUT) 50 MHz 0.5dBBW Bandwidth for 0.5dB Flatness 200mVP-P Differential (+OUT, –OUT) 100 MHz SR Slew Rate 3.2VP-P Differential (+OUT, –OUT) 1100 V/µs ts1% 1% Settling Time 1% Settling for a 1VP-P Differential Step 4 ns (+OUT, –OUT) tON Turn-On Time 40 ns tOFF Turn-Off Time 250 ns Rev B For more information www.analog.com 3