Datasheet LTC6400-20 (Analog Devices) - 3

LTC6400-20
DC ELECTRICAL CHARACTERISTICS The
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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,
⎯
E
⎯
N
⎯
A
⎯
B
⎯
L
⎯
E = 0V, No RL unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input/Output Characteristic
GDIFF Gain VIN = ±100mV Differential ● 19.4 20 20.6 dB TCGAIN Gain Temperature Drift VIN = ±100mV Differential ● –1.5 mdB/°C VSWINGMIN Output Swing Low Each Output, VIN = ±600mV Differential ● 80 150 mV VSWINGMAX Output Swing High Each Output, VIN = ±600mV Differential ● 2.35 2.46 V VOUTDIFFMAX Maximum Differential Output Swing 1dB Compressed ● 4.4 VP-P IOUT Output Current Drive Each Output ● 20 mA VOSDIFF Input Differential Offset Voltage ● –2 2 mV TCVOSDIFF Input Differential Offset Voltage Drift TMIN to TMAX ● 1.2 μV/°C IVRMIN Input Common Mode Voltage Range, MIN 1 V IVRMAX Input Common Mode Voltage Range, MAX 1.6 V RINDIFF Input Resistance (+IN, –IN) Differential ● 170 200 230 Ω CINDIFF Input Capacitance (+IN, –IN) Differential, Includes Parasitic 1 pF ROUTDIFF Output Resistance (+OUT, –OUT) Differential ● 18 25 32 Ω ROUTFDIFF Filtered Output Resistance (+OUTF, –OUTF) Differential ● 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~1.4V ● 45 65 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 ● 1.1 V VOCMMAX Output Common Mode Range, MAX 1.6 V ● 1.5 V VOSCM Common Mode Offset Voltage VOCM = 1.1V to 1.5V ● –15 15 mV TCVOSCM Common Mode Offset Voltage Drift TMIN to TMAX ● 16 μV/°C IVOCM VOCM Input Current ● 5 15 μA ⎯
E
⎯
N
⎯
A
⎯
B
⎯
L
⎯
E Pin
VIL ⎯E⎯N⎯A⎯B⎯L⎯E Input Low Voltage ● 0.8 V VIH ⎯E⎯N⎯A⎯B⎯L⎯E Input High Voltage ● 2.4 V IIL ⎯E⎯N⎯A⎯B⎯L⎯E Input Low Current ⎯E⎯N⎯A⎯B⎯L⎯E = 0.8V ● 0.5 μA IIH ⎯E⎯N⎯A⎯B⎯L⎯E Input High Current ⎯E⎯N⎯A⎯B⎯L⎯E = 2.4V ● 1.2 3 μA
Power Supply
VS Operating Supply Range ● 2.85 3 3.5 V IS Supply Current ⎯E⎯N⎯A⎯B⎯L⎯E = 0.8V ● 75 90 105 mA ISHDN Shutdown Supply Current ⎯E⎯N⎯A⎯B⎯L⎯E = 2.4V ● 1 3 mA PSRR Power Supply Rejection Ratio (Differential V+ = 2.85V to 3.5V ● 55 86 dB Outputs) 640020f 3