Datasheet ADM4073 (Analog Devices) - 3

制造商Analog Devices
描述Low Cost, Voltage Output, High-side Current Sense Amplifier
页数 / 页12 / 3 — ADM4073. SPECIFICATIONS. Table 1. Parameter. Min Typ Max Unit Conditions
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ADM4073. SPECIFICATIONS. Table 1. Parameter. Min Typ Max Unit Conditions

ADM4073 SPECIFICATIONS Table 1 Parameter Min Typ Max Unit Conditions

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ADM4073 SPECIFICATIONS
VRS+ = 2 V to 28 V, VSENSE = (VRS+ − VRS−) = 0 V, VCC = 3 V to 28 V, TA = −40°C to +125°C, unless otherwise noted. Typical values are at TA = 25°C.1
Table 1. Parameter Min Typ Max Unit Conditions
POWER SUPPLY Operating Voltage Range, VCC 3 28 V Inferred from PSRR test Common-Mode Input Range, VCMR 2 28 V Inferred OUT voltage error test Common-Mode Input Rejection, CMR 90 dB VSENSE = 100 mV, VCC = 12 V Supply Current, ICC 0.5 1.2 mA VCC = 28 V Leakage Current, IRS+/IRS− 0.05 2 μA VCC = 0 V, VRS+ = 28 V, TA = 85°C Input Bias Current, IRS+ 20 60 μA Input Bias Current, IRS− 40 120 μA Full-Scale Sense Voltage, VSENSE 150 mV VSENSE = (VRS+ − VRS−) Total Output Voltage Error2 ±1 % VSENSE = 100 mV, VCC = 12 V, VRS+ = 2 V ±1.0 ±5.0 % VSENSE = 100 mV, VCC = 12 V, VRS+ = 12 V, TA = +25°C ±5.0 % VSENSE = 100 mV, VCC = 12 V, VRS = 12V, TA = −40°C to +125°C ±1.0 ±5.0 % VSENSE = 100 mV, VCC = 28 V, VRS = 28 V, TA = +25°C ±5.0 % VSENSE = 100 mV, VCC = 28 V, VRS = 28 V, TA = −40°C to +125°C ±7.5 % VSENSE = 6.25 mV,3 VCC = 12 V, VRS = 12 V Extrapolated Input Offset Voltage, VOS 1.0 mV VCC = VRS+ = 12 V, VSENSE > 10 mV Output High Voltage (VCC − VOH) 0.8 1.2 V VCC = 3 V, VSENSE = 150 mV (ADM4073T) 0.8 1.2 V VCC = 7.5 V, VSENSE = 150 mV (ADM4073F) 0.8 1.2 V VCC = 15 V, VSENSE = 150 mV (ADM4073H), TA = 25°C DYNAMIC CHARACTERISTICS Bandwidth, BW 1.8 MHz VSENSE = 100 mV, VCC = 12 V, VRS+ = 12 V, CLOAD = 5 pF (ADM4073T) 1.7 MHz VSENSE = 100 mV, VCC = 12 V, VRS+ = 12 V, CLOAD = 5 pF (ADM4073F) 1.6 MHz VSENSE = 100 mV, VCC = 12 V, VRS+ = 12 V, CLOAD = 5 pF (ADM4073H) 600 kHz VSENSE = 6.25 mV,3 VCC = 12 V, VRS+ = 12 V, CLOAD = 5 pF (ADM4073T/F/H) Gain, AV 20 V/V ADM4073T 50 V/V ADM4073F 100 V/V ADM4073H Gain Accuracy ±1.0 ±2.0 % VSENSE = 10 mV to 150 mV, VCC = 12 V, VRS+ = 12 V, TA = +25°C (ADM4073T/F) ±2.0 % VSENSE = 10 mV to 150 mV, VCC = 12 V, VRS+ = 12 V, TA = −40°C to +125°C (ADM4073T/F) ±1.0 ±1.5 % VSENSE = 10 mV to 100 mV, VCC = 12 V, VRS+ = 12 V, TA = +25°C (ADM4073H) ±3.0 % VSENSE = 10 mV to 100 mV, VCC = 12 V, VRS+ = 12 V, TA = −40°C to +125°C (ADM4073H) OUT Settling Time to 1% of Final Value 400 ns VSENSE = 6.25 mV to 100 mV, VCC = 12 V, VRS+ = 12 V, CLOAD = 5 pF 800 ns VSENSE = 100 mV to 6.25 mV, VCC = 12 V, VRS+ = 12 V, CLOAD = 5 pF Output Resistance, ROUT 12 kΩ Power Supply Rejection Ratio, PSRR 78 dB VSENSE = 60 mV, VCC = 3 V to 28 V (ADM4073T) 85 dB VSENSE = 24 mV, VCC = 3 V to 28 V (ADM4073F) 90 dB VSENSE = 12 mV, VCC = 3 V to 28 V (ADM4073H) Power-Up Time4 5 μs CLOAD = 5 pF, VSENSE = 100 mV Saturation Recovery Time5 5 μs CLOAD = 5 pF, VCC = 12 V, VRS+ = 12 V 1 100% production tested at TA = 25°C. Specifications over temperature limit are guaranteed by design. 2 The sum of the gain and offset errors is the total OUT voltage error. 3 6.25 mV = 1/16th of 100 mV full-scale sense voltage. 4 Output settles to within 1% of final value. 5 When overdriven, this device does not experience phase reversal. Rev. A | Page 3 of 12 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM APPLICATION DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION RSENSE OUTPUT (OUT) OUTLINE DIMENSIONS ORDERING GUIDE