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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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INA145UA/2K5 датащи(PDF) 3 Page - Texas Instruments |
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INA145UA/2K5 датащи(HTML) 3 Page - Texas Instruments |
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3 / 15 page  3 ® INA145 INA145UA PARAMETER CONDITION MIN TYP MAX UNITS OFFSET VOLTAGE, VO RTI(1, 2) Input Offset Voltage VOS VCM = VO = 2.5V ±0.35 ±1mV vs Temperature ∆V OS /∆T See Typical Curve vs Power Supply Rejection Ratio PSRR VS = ±1.35V to ±18V ±20 ±60 µV/°C vs Time ±0.3 µV/mo Offset Voltage, V01 RTI(1, 2) ±0.55 mV INPUT VOLTAGE RANGE Common-Mode Voltage Range(3) VCM VIN+ – VIN– = 0V, VO = 2.5V –2.5 5.5 V Common-Mode Rejection Ratio CMRR VCM = –2.5V to +5.5V, RS = 0Ω 76 86 dB Over Temperature 80 dB INPUT BIAS CURRENT(2) Bias Current IB ±50 nA Offset Current IOS ±5nA INPUT IMPEDANCE Differential (non-inverting input) 80 k Ω Differential (inverting input) 27 k Ω Common-Mode 40 k Ω NOISE RTI(1, 4) Voltage Noise, f = 0.1Hz to 10Hz 2 µVp-p Voltage Noise Density, f = 1kHz en 90 nV/ √Hz GAIN G = 1 to 1000 V/V Gain Equation G = 1 + RG2 /RG1 V/V Initial(1) 1V/V Gain Error RL = 100kΩ, VO = 0.15V to 4V, G = 1 ±0.01 ±0.1 % vs Temperature RL = 100kΩ, VO = 0.25V to 4V, G = 1 ±2 ±10 ppm / °C RL = 10kΩ, VO = 0.3V to 3.75V, G = 1 ±0.01 ±0.1 % vs Temperature RL = 10kΩ, VO = 0.5V to 3.75V, G = 1 ±2 ±10 ppm / °C Nonlinearity RL = 10kΩ, VO = +0.3 to +3.75, G = 1 ±0.001 ±0.005 % of FS FREQUENCY RESPONSE Small Signal Bandwidth G = 0.1 500 kHz G = 1 50 kHz Slew Rate 0.45 V/ µs Settling Time, 0.1% G = 1, 10V Step 40 µs 0.01% G = 1, 10V Step 90 µs Overload Recovery 50% Input Overload 40 µs OUTPUT, VO Voltage Output RL = 100kΩ, G = 1 0.15 4 V Over Temperature RL = 100kΩ, G = 1 0.25 4 V RL = 10kΩ, G = 1 0.3 3.75 V Over Temperature RL = 10kΩ, G = 1 0.5 3.75 V Short-Circuit Current Continuous to Common ±15 mA Capacitive Load Stable Operation 1000 pF POWER SUPPLY Specified Voltage Range, Single Supply +4.5 +36 V Operating Voltage Range +2.7 +36 V Quiescent Current VIN = 0, IO = 0 550 700 µA Over Temperature 800 µA TEMPERATURE RANGE Specified Range –40 +85 °C Operating Range –55 +125 °C Storage Range –55 +125 °C Thermal Resistance θ JA 150 °C/W NOTES: (1) Referred to input pins (VIN+ and VIN–), Gain = 1V/V. Specified with 10kΩ in feedback of A2. (2) Input offset voltage specification includes effects of amplifier’s input bias and offset currents. (3) Common-mode voltage range with single supply is 2(V+) – 2V – VREF to –VREF. (4) Includes effects of input current noise and thermal noise contribution of resistor network. SPECIFICATIONS: VS = +5V Single Supply Boldface limits apply over the specified temperature range, TA = –40°C to +85°C At TA = +25°C, G = 1, RL = 10kΩ connected to ground and ref pin connected to 2.5V unless otherwise noted. |
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