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INA203 Fiches technique(PDF) 3 Page - Burr-Brown (TI) |
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INA203 Fiches technique(HTML) 3 Page - Burr-Brown (TI) |
3 / 25 page www.ti.com ELECTRICAL CHARACTERISTICS: CURRENT-SHUNT MONITOR INA203 INA204 INA205 SBOS393 – MARCH 2007 Boldface limits apply over the specified temperature range: T A = –40°C to +125°C. At T A = +25°C, VS = +12V, VCM = +12V, VSENSE = 100mV, RL = 10kΩ to GND, RPULL-UP = 5.1kΩ each connected from CMP1 OUT and CMP2 OUT to V S, and CMP1 IN+ = 1V and CMP2 IN– = GND, unless otherwise noted. INA203, INA204, INA205 CURRENT-SHUNT MONITOR PARAMETERS CONDITIONS MIN TYP MAX UNIT INPUT Full-Scale Sense Input Voltage VSENSE VSENSE = VIN+ – VIN– 0.15 (VS – 0.25)/Gain V Common-Mode Input Range VCM –16 80 V Common-Mode Rejection Ratio CMRR VCM = –16V to +80V 80 100 dB Over Temperature VCM = +12V to +80V 100 123 dB Offset Voltage, RTI(1) VOS ±0.5 ±2.5 mV +25 °C to +125°C ±3 mV –40 °C to +25°C ±3.5 mV vs Temperature dVOS/dT TMIN to TMAX 5 µV/°C vs Power Supply PSR VOUT = 2V, VCM = +18V, 2.7V 2.5 100 µV/V Input Bias Current, VIN– Pin IB ±9 ±16 µA OUTPUT (VSENSE ≥ 20mV) Gain: G INA203 20 V/V INA204 50 V/V INA205 100 V/V Gain Error VSENSE = 20mV to 100mV ±0.2 ±1 % Over Temperature VSENSE = 20mV to 100mV ±2 % Total Output Error(2) VSENSE = 120mV, VS = +16V ±0.75 ±2.2 % Over Temperature VSENSE = 120mV, VS = +16V ±3.5 % Nonlinearity Error(3) VSENSE = 20mV to 100mV ±0.002 % Output Impedance, Pin 2 RO 1.5 Ω Maximum Capacitive Load No Sustained Oscillation 10 nF OUTPUT (VSENSE < 20mV)(4) INA203, INA204, INA205 –16V ≤ V CM < 0V 300 mV INA203 0V ≤ V CM ≤ VS, VS = 5V 0.4 V INA204 0V ≤ V CM ≤ VS, VS = 5V 1 V INA205 0V ≤ V CM ≤ VS, VS = 5V 2 V INA203, INA204, INA205 VS < VCM ≤ 80V 300 mV VOLTAGE OUTPUT(5) Output Swing to the Positive Rail VIN– = 11V, VIN+ = 12V (V+) – 0.15 (V+) – 0.25 V Output Swing to GND(6) VIN– = 0V, VIN+ = –0.5V (VGND) + 0.004 (VGND) + 0.05 V FREQUENCY RESPONSE Bandwidth: BW INA203 CLOAD = 5pF 500 kHz INA204 CLOAD = 5pF 300 kHz INA205 CLOAD = 5pF 200 kHz Phase Margin CLOAD < 10nF 40 Degrees Slew Rate SR 1 V/ µs VSENSE = 10mVPP to 100mVPP, Settling Time (1%) 2 µs CLOAD = 5pF NOISE, RTI Output Voltage Noise Density 40 nV/ √Hz (1) Offset is extrapolated from measurements of the output at 20mV and 100mV VSENSE. (2) Total output error includes effects of gain error and VOS. (3) Linearity is best fit to a straight line. (4) For details on this region of operation, see the Accuracy Variations section in the Applications Information. (5) See Typical Characteristic curve Positive Output Voltage Swing vs Output Current (Figure 8). (6) Specified by design; not production tested. 3 Submit Documentation Feedback |
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