Datasheet AD8139 (Analog Devices) - 6

ManufacturerAnalog Devices
DescriptionLow Noise, Rail-to-Rail, Differential ADC Driver
Pages / Page27 / 6 — Data Sheet. AD8139. VS = 5 V, VOCM = 2.5 V. Table 2. Parameter. Test …
RevisionC
File Format / SizePDF / 597 Kb
Document LanguageEnglish

Data Sheet. AD8139. VS = 5 V, VOCM = 2.5 V. Table 2. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit

Data Sheet AD8139 VS = 5 V, VOCM = 2.5 V Table 2 Parameter Test Conditions/Comments Min Typ Max Unit

Model Line for this Datasheet

Text Version of Document

Data Sheet AD8139 VS = 5 V, VOCM = 2.5 V
TA = 25°C, differential gain = 1, RL, dm = 1 kΩ, RF = RG = 200 Ω, unless otherwise noted. TMIN to TMAX = −40°C to +125°C.
Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
DIFFERENTIAL INPUT PERFORMANCE Dynamic Performance −3 dB Small Signal Bandwidth VO, dm = 0.1 V p-p 330 385 MHz −3 dB Large Signal Bandwidth VO, dm = 2 V p-p 135 165 MHz Bandwidth for 0.1 dB Flatness VO, dm = 0.1 V p-p 34 MHz Slew Rate VO, dm = 2 V step 540 V/µs Settling Time to 0.01% VO, dm = 2 V step 55 ns Overdrive Recovery Time G = 2, VIN, dm = 7 V p-p triangle wave 35 ns Noise/Harmonic Performance SFDR VO, dm = 2 V p-p, fC = 1 MHz 99 dBc VO, dm = 2 V p-p, fC = 5 MHz, RL = 800 Ω 87 dBc VO, dm = 2 V p-p, fC = 20 MHz, RL = 800 Ω 75 dBc Third-Order IMD VO, dm = 2 V p-p, fC = 10.05 MHz ± 0.05 MHz −87 dBc Input Voltage Noise f = 100 kHz 2.25 nV/√Hz Input Current Noise f = 100 kHz 2.1 pA/√Hz DC Performance Input Offset Voltage VIP = VIN = VOCM = 2.5 V −500 ±150 +500 µV Input Offset Voltage Drift TMIN to TMAX 1.25 µV/°C Input Bias Current TMIN to TMAX 2.2 7.5 µA Input Offset Current 0.13 0.5 µA Open-Loop Gain 112 dB Input Characteristics Input Common-Mode Voltage Range 1 4 V Input Resistance Differential 600 kΩ Common mode 1.5 MΩ Input Capacitance Common mode 1.2 pF CMRR ΔVICM = ±1 V dc, RF = RG = 10 kΩ 75 79 dB Output Characteristics Output Voltage Swing Each single-ended output, RF = RG = 10 kΩ −VS + 0.15 +VS − 0.15 V Each single-ended output, −VS + 0.10 +VS − 0.10 V RL, dm = open circuit, RF = RG = 10 kΩ Output Current Each single-ended output 80 mA Output Balance Error f = 1 MHz −70 dB VOCM TO VO, cm PERFORMANCE VOCM Dynamic Performance −3 dB Bandwidth VO, cm = 0.1 V p-p 440 MHz Slew Rate VO, cm = 2 V p-p 150 V/µs Gain 0.999 1.000 1.001 V/V VOCM Input Characteristics Input Voltage Range 1.0 3.8 V Input Resistance 3.5 MΩ Input Offset Voltage VOS, cm = VO, cm − VOCM; VIP = VIN = VOCM = 2.5 V −1.0 ±0.45 +1.0 mV Input Voltage Noise f = 100 kHz 3.5 nV/√Hz Input Bias Current 1.3 4.2 µA CMRR ΔVOCM/ΔVO, dm, ΔVOCM = ±1 V 67 79 dB Rev. C | Page 5 of 26 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAMS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS VS = ±5 V, VOCM = 0 V VS = 5 V, VOCM = 2.5 V ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE Maximum Power Dissipation ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION TYPICAL CONNECTION AND DEFINITION OF TERMS Output Balance APPLICATIONS INFORMATION ESTIMATING NOISE, GAIN, AND BANDWIDTH WITH MATCHED FEEDBACK NETWORKS Estimating Output Noise Voltage 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 Other Impact of Mismatches in the Feedback Networks Driving a Capacitive Load Layout Considerations Terminating a Single-Ended Input Exposed Paddle (EP) OUTLINE DIMENSIONS ORDERING GUIDE