Datasheet AD8137 (Analog Devices) - 4

制造商Analog Devices
描述Low Cost, Low Power Differential ADC Driver
页数 / 页33 / 4 — Data Sheet. AD8137. SPECIFICATIONS. Table 1. Parameter. Conditions. Min. …
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Data Sheet. AD8137. SPECIFICATIONS. Table 1. Parameter. Conditions. Min. Typ. Max. Unit

Data Sheet AD8137 SPECIFICATIONS Table 1 Parameter Conditions Min Typ Max Unit

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Data Sheet AD8137 SPECIFICATIONS
VS = ±5 V, VOCM = 0 V (@ 25°C, differential gain = 1, RL, dm = RF = RG = 1 kΩ, unless otherwise noted, TMIN to TMAX = −40°C to +125°C).
Table 1. Parameter Conditions Min Typ Max Unit
DIFFERENTIAL INPUT PERFORMANCE Dynamic Performance −3 dB Small Signal Bandwidth VO, dm = 0.1 V p-p 64 76 MHz AD8137W only: TMIN-TMAX 63 MHz −3 dB Large Signal Bandwidth VO, dm = 2 V p-p 79 110 MHz AD8137W only: TMIN-TMAX 79 MHz Slew Rate VO, dm = 2 V step 450 V/µs Settling Time to 0.02% VO, dm = 3.5 V step 100 Ns Overdrive Recovery Time G = 2, VI, dm = 12 V p-p triangle wave 85 Ns Noise/Harmonic Performance SFDR VO, dm = 2 V p-p, fC = 500 kHz 90 dB VO, dm = 2 V p-p, fC = 2 MHz 76 dB Input Voltage Noise f = 50 kHz to 1 MHz 8.25 nV/√Hz Input Current Noise f = 50 kHz to 1 MHz 1 pA/√Hz DC Performance Input Offset Voltage VIP = VIN = VOCM = 0 V −2.6 ±0.7 +2.6 mV AD8137W only: TMIN-TMAX −5.0 +5.0 mV Input Offset Voltage Drift TMIN to TMAX 3 µV/°C Input Bias Current TMIN to TMAX 0.5 1.0 µA Input Offset Current 0.1 0.45 µA AD8137W only: TMIN-TMAX 0.45 µA Open-Loop Gain 91 dB Input Characteristics Input Common-Mode Voltage Range −4 +4 V AD8137W only: TMIN-TMAX −4 +4 V Input Resistance Differential 800 KΩ Common-mode 400 KΩ Input Capacitance Common-mode 1.8 pF CMRR ΔVICM = ±1 V 66 79 dB AD8137W only: TMIN-TMAX 66 dB Output Characteristics Output Voltage Swing Each single-ended output, RL, dm = 1 kΩ VS− + 0.55 VS+ − 0.55 V AD8137W only: TMIN-TMAX VS− + 0.55 VS+ − 0.55 V Output Current 20 mA Output Balance Error f = 1 MHz −64 dB VOCM to VO, cm PERFORMANCE VOCM Dynamic Performance −3 dB Bandwidth VO, cm = 0.1 V p-p 58 MHz Slew Rate VO, cm = 0.5 V p-p 63 V/µs Gain 0.992 1.000 1.008 V/V AD8137W only: TMIN-TMAX 0.990 1.008 V/V VOCM Input Characteristics Input Voltage Range −4 +4 V AD8137W only: TMIN-TMAX −4 +4 V Input Resistance 35 kΩ Input Offset Voltage −28 ±11 +28 mV AD8137W only: TMIN-TMAX −28 +28 mV Input Voltage Noise f = 100 kHz to 1 MHz 18 nV/√Hz Rev. E | Page 3 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