Datasheet AD8205 (Analog Devices) - 3

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Data Sheet AD8205 SPECIFICATIONS
TA = operating temperature range, VS = 5 V, unless otherwise noted.
Table 1. Y and W Grade H Grade Parameter Test Conditions/Comments Min Typ Max Min Typ Max Unit
GAIN Initial 50 50 V/V Accuracy VO ≥ 0.1 V dc, 25°C ±1 ±1 % Accuracy Over Temperature Specified temperature range ±1.2 ±1.2 % Gain vs. Temperature ±30 ±30 ppm/°C VOLTAGE OFFSET Offset Voltage (RTI)1 25°C ±2 ±2 mV Over Temperature (RTI)1 Specified temperature range ±4.5 ±4.5 mV Offset Drift 15 15 µV/°C INPUT Input Impedance Differential 400 400 kΩ Common Mode 200 200 kΩ Input Voltage Range Common mode, continuous −2 65 −2 65 V Differential2 100 100 mV Common-Mode Rejection 25°C, f = dc to 20 kHz3 78 86 78 86 dB Operating temperature range, 76 80 76 80 dB f = dc to 20 kHz3 OUTPUT Output Voltage Range RL = 25 kΩ 0.05 4.8 0.05 4.8 V Output Resistance 2 2 Ω DYNAMIC RESPONSE Small Signal −3 dB Bandwidth 50 50 kHz Slew Rate 0.5 0.5 V/µs NOISE 0.1 Hz to 10 Hz, RTI 20 20 µV p-p Spectral Density, 1 kHz (RTI)1 0.5 0.5 µV/√Hz OFFSET ADJUSTMENT Ratiometric Accuracy4 Divider to supplies 0.497 0.503 0.497 0.503 V/V Accuracy, RTO Voltage applied to VREF1 and ±2 ±2 mV/V VREF2 in parallel Output Offset Adjustment Range VS = 5 V 0.05 4.8 0.05 4.8 V VREF Divider Resistor Values 24 32 40 24 32 40 kΩ POWER SUPPLY Operating Range 4.5 5.5 4.5 5.5 V Quiescent Current Over Temperature VO = 0.1 V dc 2 2.2 mA Power Supply Rejection Ratio 70 70 dB Temperature Range For Specified Performance Operating temperature range −40 +125 −40 +150 °C 1 RTI is referred to input. 2 Input voltage range = ±50 mV with half-scale offset. 3 Source imbalance < 2 Ω. 4 The offset adjustment is ratiometric to the power supply when VREF1 and VREF2 are used as a divider between the supplies. Rev. D | Page 3 of 12 Document Outline Features Excellent AC and DC Performance Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Output Offset Adjustment Unidirectional Operation Ground Referenced Output V+ Referenced Output Bidirectional Operation External Reference Output Splitting the Supply Splitting an External Reference Applications Information High-Side Current Sense with a Low-Side Switch High-Side Current Sense with a High-Side Switch Outline Dimensions Ordering Guide Automotive Products