Datasheet LTC6400-14 (Analog Devices) - 3

LTC6400-14
DC ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. V+ = 3V, V– = 0V, +IN = –IN = VOCM = 1.25V, ENABLE = 0V, No RL unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input/Output Characteristic
GDIFF Gain VIN = ±200mV Differential l 13.5 14 14.5 dB TCGAIN Gain Temperature Drift VIN = ±200mV Differential l –0.9 mdB/°C VSWINGMIN Output Swing Low Each Output, VIN = ±800mV Differential l 77 160 mV VSWINGMAX Output Swing High Each Output, VIN = ±800mV Differential l 2.35 2.48 V VOUTDIFFMAX Maximum Differential Output Swing 1dB Compressed l 4.8 VP-P IOUT Output Current Drive Each Output l 20 mA VOSDIFF Input Differential Offset Voltage l –3 3 mV TCVOSDIFF Input Differential Offset Voltage Drift TMIN to TMAX l 0.7 μV/°C IVRMIN Input Common Mode Voltage Range, MIN 1 V IVRMAX Input Common Mode Voltage Range, MAX 1.8 V RINDIFF Input Resistance (+IN, –IN) Differential l 170 200 230 Ω CINDIFF Input Capacitance (+IN, –IN) Differential, Includes Parasitic 1 pF ROUTDIFF Output Resistance (+OUT, –OUT) Differential l 18 25 32 Ω ROUTFDIFF Filtered Output Resistance (+OUTF, –OUTF) Differential l 85 100 115 Ω COUTFDIFF Filtered Output Capacitance (+OUTF, –OUTF) Differential, Includes Parasitic 2.7 pF CMRR Common Mode Rejection Ratio Input Common Mode Voltage 1.1V~1.7V l 40 62 dB
Output Common Mode Voltage Control
GCM Common Mode Gain VOCM = 1V to 1.6V 1 V/V VOCMMIN Output Common Mode Range, MIN 1 V l 1.1 V VOCMMAX Output Common Mode Range, MAX 1.6 V l 1.5 V VOSCM Common Mode Offset Voltage VOCM = 1.1V to 1.5V l –15 15 mV TCVOSCM Common Mode Offset Voltage Drift TMIN to TMAX l 9 μV/°C IVOCM VOCM Input Current l 4 15 μA
ENABLE Pin
VIL ENABLE Input Low Voltage l 0.8 V VIH ENABLE Input High Voltage l 2.4 V IIL ENABLE Input Low Current ENABLE = 0.8V l 0.5 μA IIH ENABLE Input High Current ENABLE = 2.4V l 1.3 3 μA
Power Supply
VS Operating Supply Range l 2.85 3 3.5 V IS Supply Current ENABLE = 0.8V l 70 85 96 mA ISHDN Shutdown Supply Current ENABLE = 2.4V, Input and Output Floating l 0.9 3 mA PSRR Power Supply Rejection Ratio (Differential V+ = 2.85V to 3.5V l 55 76 dB Outputs) 640014fb 3