Datasheet AD8137 (Analog Devices) - 7

AD8137 Data Sheet Parameter Conditions Min Typ Max Unit
Input Voltage Noise f = 100 kHz to 5 MHz 18 nV/√Hz Input Bias Current 0.25 0.9 µA AD8137W only: TMIN-TMAX 0.9 µA CMRR ΔVO, dm /ΔVOCM, ΔVOCM = ±0.5 V 62 75 dB AD8137W only: TMIN-TMAX 62 dB Power Supply Operating Range +2.7 ±6 V AD8137W only: TMIN-TMAX +2.7 ±6 V Quiescent Current 2.6 2.8 mA AD8137W only: TMIN-TMAX 2.8 mA Quiescent Current, Disabled Power-down = low 450 600 µA AD8137W only: TMIN-TMAX 600 µA PSRR ΔVS = ±1 V 79 91 dB AD8137W only: TMIN-TMAX 79 dB PD Pin Threshold Voltage VS− + 0.7 VS− + 1.5 V AD8137W only: TMIN-TMAX VS− + 0.7 VS− + 1.5 V Input Current Power-down = high/low 50/110 60/120 µA AD8137W only: TMIN-TMAX 60/125 µA OPERATING TEMPERATURE RANGE −40 +125 °C Rev. E | Page 6 of 32 Document Outline Features Applications Functional Block Diagram General Descripton Revision History Specifications Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Test Circuits Theory of Operation Applications Information Analyzing a Typical Application with Matched RF and RG Networks Typical Connection and Definition of Terms Output Balance Estimating Noise, Gain, and Bandwith with Matched Feedback Networks Estimating Output Noise Voltage and Bandwidth Voltage Gain Feedback Factor Notation Input Common-Mode Voltage Calculating Input Impedance Input Common-Mode Swing Considerations Bandwidth vs. Closed-Loop Gain Estimating DC Errors Additional Impact of Mismatches in the Feedback Networks Driving a Capacitive Load Layout Considerations Terminating a Single-Ended Input Power-Down Driving an ADC with Greater than 12-Bit Performance Outline Dimensions Ordering Guide Automotive Products