Datasheet LT5401 (Analog Devices) - 4

LT5401
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. LT5401A LT5401 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
(∆R/R)RE Resistor Ratio Match Note 4 ±30 ±60 ppm TA = –40°C to 85°C l ±80 ±110 ppm TA = –40°C to 125°C l ±85 ±120 ppm TA = –55°C to 150°C l ±155 ppm (∆R/R)RT Resistor Ratio Match Tracking Note 5 ±30 ±60 ppm TA = –40°C to 85°C l ±60 ±90 ppm TA = –40°C to 125°C l ±70 ±110 ppm TA = –55°C to 150°C l ±110 ppm CMRR Common Mode Rejection Ratio Note 5 100 94 dB ⎛ ∆R ⎞ T l 94 90.5 dB ⎜ ⎟ A = –40°C to 85°C ⎝ R T l 92.6 88.7 dB CMRR ⎠ = RT G is Nominal Ratio A = –40°C to 125°C 1+G TA = –55°C to 150°C l 88.7 dB (∆R/R)AVE Average Resistor Ratio Match Note 6 ±30 ±60 ppm TA = –40°C to 85°C l ±75 ±105 ppm TA = –40°C to 125°C l ±75 ±110 ppm TA = –55°C to 150°C l ±120 ppm GE Gain Error Note 6 ±30 ± 60 ppm TA = –40°C to 85°C l ±75 ±105 ppm ⎛ ∆R ⎞ GE T ±75 ±110 ppm = l ⎜ ⎟ A = –40°C to 125°C ⎝ R ⎠AVE TA = –55°C to 150°C l ±120 ppm (∆R/R)RE/∆T Resistor Ratio Match Temperature Drift Note 7 l ±0.4 ±0.8 ±0.4 ±0.8 ppm/°C
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full specified temperature range, otherwise specifications are at TA = 25°C. LT5401A LT5401 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
(∆R/R)SS Side-to-Side Resistor Match Note 8 ±0.3 ±0.4 % l ±0.4 ±0.5 % ∆R Absolute Resistor Tolerance l ±7.5 ±15 % ∆R/∆T Absolute Resistor Value Temperature Note 7 l –10 8 25 –10 8 25 ppm/°C Drift Maximum Operating Voltage l –35 35 –35 35 V Distributed Capacitance Resistor to Exposed Pad 3.4 3.4 pF Resistor to Resistor (Same Side) 1 1 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 –50°C to 150°C, 5 Cycles < 3 < 3 ppm Shock/Hysteresis Resistor Ratio Matching IR Reflow 25°C to 260°C, 3 Cycles < 3 < 3 ppm Resistor Ratio Matching Accelerated 150°C, 1000Hours 10 10 ppm Shelf Life Harmonic Distortion 20VP-P, 1kHz, Difference Amplifier –120 –120 dBc Rev. 0 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Typical Application Related Parts