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LT5401 Datasheet(PDF) 4 Page - Analog Devices |
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LT5401 Datasheet(HTML) 4 Page - Analog Devices |
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4 / 16 page  LT5401 4 Rev. 0 For more information www.analog.com ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full specified temperature range, otherwise specifications are at TA = 25°C. SYMBOL PARAMETER CONDITIONS LT5401A LT5401 UNITS MIN TYP MAX MIN TYP MAX (∆R/R)SS Side-to-Side Resistor Match Note 8 l ±0.3 ±0.4 ±0.4 ±0.5 % % ∆R Absolute Resistor Tolerance l ±7.5 ±15 % ∆R/∆T Absolute Resistor Value Temperature Drift Note 7 l –10 8 25 –10 8 25 ppm/°C Maximum Operating Voltage l –35 35 –35 35 V Distributed Capacitance Resistor to Exposed Pad Resistor to Resistor (Same Side) 3.4 1 3.4 1 pF pF Resistor Voltage Coefficient l < 0.1 < 0.1 ppm/V Excess Current Noise Mil-Std-202 Method 308 < –55 < –55 dB Resistor Ratio Matching Long-Term Drift 35°C 6500Hours, 25mW < 8 < 8 ppm Resistor Ratio Matching Thermal Shock/Hysteresis –50°C to 150°C, 5 Cycles < 3 < 3 ppm Resistor Ratio Matching IR Reflow 25°C to 260°C, 3 Cycles < 3 < 3 ppm Resistor Ratio Matching Accelerated Shelf Life 150°C, 1000Hours 10 10 ppm Harmonic Distortion 20VP-P, 1kHz, Difference Amplifier –120 –120 dBc ELECTRICAL CHARACTERISTICS Nominal Ratio of 2 only. The l denotes the specifications which apply over the full specified temperature range, otherwise specifications are at TA = 25°C. SYMBOL PARAMETER CONDITIONS LT5401A LT5401 UNITS MIN TYP MAX MIN TYP MAX (∆R/R)RE Resistor Ratio Match Note 4 TA = –40°C to 85°C TA = –40°C to 125°C TA = –55°C to 150°C l l l ±30 ±80 ±85 ±60 ±110 ±120 ±155 ppm ppm ppm ppm (∆R/R)RT Resistor Ratio Match Tracking Note 5 TA = –40°C to 85°C TA = –40°C to 125°C TA = –55°C to 150°C l l l ±30 ±60 ±70 ±60 ±90 ±110 ±110 ppm ppm ppm ppm CMRR Common Mode Rejection Ratio CMRR = ∆R R ⎛ ⎝ ⎜ ⎞ ⎠ ⎟ RT 1+G G is Nominal Ratio Note 5 TA = –40°C to 85°C TA = –40°C to 125°C TA = –55°C to 150°C l l l 100 94 92.6 94 90.5 88.7 88.7 dB dB dB dB (∆R/R)AVE Average Resistor Ratio Match Note 6 TA = –40°C to 85°C TA = –40°C to 125°C TA = –55°C to 150°C l l l ±30 ±75 ±75 ±60 ±105 ±110 ±120 ppm ppm ppm ppm GE Gain Error GE = ∆R R ⎛ ⎝ ⎜ ⎞ ⎠ ⎟ AVE Note 6 TA = –40°C to 85°C TA = –40°C to 125°C TA = –55°C to 150°C l l l ±30 ±75 ±75 ± 60 ±105 ±110 ±120 ppm ppm ppm ppm (∆R/R)RE/∆T Resistor Ratio Match Temperature Drift Note 7 l ±0.4 ±0.8 ±0.4 ±0.8 ppm/°C |
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