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LTC6419 Datasheet(PDF) 3 Page - Analog Devices |
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LTC6419 Datasheet(HTML) 3 Page - Analog Devices |
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3 / 24 page  LTC6419 3 6419fa For more information www.linear.com/LTC6419 The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. V+ = V+A = V+B = 5V, V– = 0V, VCM = VICM = VOCMA = VOCMB = 1.25V, VSHDNA = VSHDNB = open. VS is defined as (V+ – V–). VOUTCM is defined as (V+OUT + V–OUT)/2. VICM is defined as (V+IN + V–IN)/2. VOUTDIFF is defined as (V+OUT – V–OUT). ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOSDIFF Differential Offset Voltage (Input Referred) VS = 3V VS = 3V VS = 5V VS = 5V l l ±300 ±300 ±1000 ±1200 ±1100 ±1400 µV µV µV µV ΔVOSDIFF ΔT Differential Offset Voltage Drift (Input Referred) VS = 3V VS = 5V l l 2 2 µV/°C µV/°C IB Input Bias Current (Note 6) VS = 3V VS = 5V l l –140 –160 –62 –70 0 0 µA µA IOS Input Offset Current (Note 6) VS = 3V VS = 5V l l ±2 ±2 ±10 ±10 µA µA RIN Input Resistance Common Mode Differential Mode 165 860 kΩ Ω CIN Input Capacitance Differential Mode 0.5 pF en Differential Input Noise Voltage Density f = 1MHz, Not Including RI/RF Noise 1.1 nV/√Hz in Input Noise Current Density f = 1MHz, Not Including RI/RF Noise 8.8 pA/√Hz enVOCM Common Mode Noise Voltage Density f = 10MHz 12 nV/√Hz VICMR (Note 7) Input Signal Common Mode Range VS = 3V VS = 5V l l 0 0 1.5 3.5 V V CMRRI (Note 8) Input Common Mode Rejection Ratio (Input Referred) ΔVICM/ΔVOSDIFF VS = 3V, VICM from 0V to 1.5V VS = 5V, VICM from 0V to 3.5V l l 75 75 90 90 dB dB CMRRIO (Note 8) Output Common Mode Rejection Ratio (Input Referred) ΔVOCM/ΔVOSDIFF VS = 3V, VOCM from 0.5V to 1.5V VS = 5V, VOCM from 0.5V to 3.5V l l 55 60 80 85 dB dB PSRR (Note 9) Differential Power Supply Rejection (ΔVS/ΔVOSDIFF) VS = 2.7V to 5.25V l 60 85 dB PSRRCM (Note 9) Output Common Mode Power Supply Rejection (ΔVS/ΔVOSCM) VS = 2.7V to 5.25V l 55 70 dB VS Supply Voltage Range (Note 10) l 2.7 5.25 V GCM Common Mode Gain (ΔVOUTCM/ΔVOCM) VS = 3V, VOCM from 0.5V to 1.5V VS = 5V, VOCM from 0.5V to 3.5V l l 1 1 V/V V/V ΔGCM Common Mode Gain Error, 100 × (GCM – 1) VS = 3V, VOCM from 0.5V to 1.5V VS = 5V, VOCM from 0.5V to 3.5V l l ±0.1 ±0.1 ±0.3 ±0.3 % % BAL Output Balance (ΔVOUTCM/ ΔVOUTDIFF) ΔVOUTDIFF = 2V Single-Ended Input Differential Input l l –65 –70 –50 –50 dB dB VOSCM Common Mode Offset Voltage (VOUTCM – VOCM) VS = 3V VS = 5V l l ±1 ±1 ±5 ±6 mV mV ΔVOSCM ΔT Common Mode Offset Voltage Drift l 4 µV/°C VOUTCMR (Note 7) Output Signal Common Mode Range (Voltage Range for the VOCMA/VOCMB Pins) VS = 3V VS = 5V l l 0.5 0.5 1.5 3.5 V V RINVOCM Input Resistance, VOCMA/VOCMB Pins l 30 40 50 KΩ VOCM Self-Biased Voltage at the VOCMA/VOCMB Pins VS = 3V, VOCMA = VOCMB = Open VS = 5V, VOCMA = VOCMB = Open l 0.9 0.85 1.25 1.6 V V |
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