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INA209 Datasheet(PDF) 3 Page - Texas Instruments |
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INA209 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 50 page  ELECTRICAL CHARACTERISTICS: VS = +3.3V INA209 www.ti.com ......................................................................................................................................................... SBOS403B – JUNE 2007 – REVISED MARCH 2009 Boldface limits apply over the specified temperature range, TA = –25°C to +85°C. At TA = +25°C, VIN+ = 12V, VSENSE = (VIN+ – VIN–) = 32mV, PGA = ÷ 1, and BRNG (1) = 1, unless otherwise noted. INA209 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT Full-Scale Current Sense (Input) Voltage Range PGA = ÷ 1 0 ±40 mV PGA = ÷ 2 0 ±80 mV PGA = ÷ 4 0 ±160 mV PGA = ÷ 8 0 ±320 mV Bus Voltage (Input Voltage) Range(2) BRNG = 1 0 32 V BRNG = 0 0 16 V Common-Mode Rejection CMRR VIN+ = 0V to 26V 100 120 dB Offset Voltage, RTI(3) VOS PGA = ÷ 1 ±10 ±100 µV PGA = ÷ 2 ±20 ±125 µV PGA = ÷ 4 ±30 ±150 µV PGA = ÷ 8 ±40 ±200 µV vs Temperature 0.1 µV/°C vs Power Supply PSRR VS = 3V to 5.5V 10 µV/V Current Sense Gain Error ±40 m% vs Temperature 10 ppm/°C Input Impedance Active Mode VIN+ Pin 20 µA VIN– Pin 20 || 320 µA || kΩ Input Leakage Power-Down Mode VIN+ Pin 0.1 ±0.5 µA VIN– Pin 0.1 ±0.5 µA DC ACCURACY ADC Basic Resolution 12 Bits 1 LSB Step Size Shunt Voltage 10 µV Bus Voltage 4 mV Current Measurement Error ±0.2 ±0.5 % over Temperature ±1 % Bus Voltage Measurement Error ±0.2 ±0.5 % over Temperature ±1 % Differential Nonlinearity ±0.1 LSB Critical DAC Full-Scale Range 255 mV Critical DAC Accuracy ±0.5 ±1 % Critical DAC Resolution 8 Bits Critical DAC 1 LSB Step Size 1 mV Critical DAC Comparator Offset ±0.3 ±1.6 mV Critical DAC Comparator Hysteresis(4) See (4) Critical DAC Comparator Delay 5 µs (1) BRNG is bit 13 of the Configuration Register. (2) This parameter only expresses the full-scale range of the ADC scaling. In no event should more than 26V be applied to this device. (3) Referred-to-input (RTI). (4) User-programmable. See the Critical Comparator and Register sections. Copyright © 2007–2009, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): INA209 |
Similar Part No. - INA209_15 |
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Similar Description - INA209_15 |
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