Datasheet AD8139 (Analog Devices) - 4

FabricanteAnalog Devices
DescripciónLow Noise, Rail-to-Rail, Differential ADC Driver
Páginas / Página27 / 4 — Data Sheet. AD8139. SPECIFICATIONS VS = ±5 V, VOCM = 0 V. Table 1. …
RevisiónC
Formato / tamaño de archivoPDF / 597 Kb
Idioma del documentoInglés

Data Sheet. AD8139. SPECIFICATIONS VS = ±5 V, VOCM = 0 V. Table 1. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit

Data Sheet AD8139 SPECIFICATIONS VS = ±5 V, VOCM = 0 V Table 1 Parameter Test Conditions/Comments Min Typ Max Unit

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Data Sheet AD8139 SPECIFICATIONS VS = ±5 V, VOCM = 0 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 1. 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 340 410 MHz −3 dB Large Signal Bandwidth VO, dm = 2 V p-p 210 240 MHz Bandwidth for 0.1 dB Flatness VO, dm = 0.1 V p-p 45 MHz Slew Rate VO, dm = 2 V step 800 V/µs Settling Time to 0.01% VO, dm = 2 V step, CF = 2 pF 45 ns Overdrive Recovery Time G = 2, VIN, dm = 12 V p-p triangle wave 30 ns Noise/Harmonic Performance SFDR VO, dm = 2 V p-p, fC = 1 MHz 98 dBc VO, dm = 2 V p-p, fC = 5 MHz 85 dBc VO, dm = 2 V p-p, fC = 20 MHz 72 dBc Third-Order IMD VO, dm = 2 V p-p, fC = 10.05 MHz ± 0.05 MHz −90 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 = 0 V −500 ±150 +500 µV Input Offset Voltage Drift TMIN to TMAX 1.25 µV/°C Input Bias Current TMIN to TMAX 2.25 8.0 µA Input Offset Current 0.12 0.5 µA Open-Loop Gain 114 dB Input Characteristics Input Common-Mode Voltage Range −4 +4 V Input Resistance Differential 600 kΩ Common mode 1.5 MΩ Input Capacitance Common mode 1.2 pF CMRR ∆VICM = ±1 V dc, RF = RG = 10 kΩ 80 84 dB Output Characteristics Output Voltage Swing Each single-ended output, RF = RG = 10 kΩ −VS + 0.20 +VS – 0.20 V Each single-ended output, −VS + 0.15 +VS − 0.15 V RL, dm = open circuit, RF = RG = 10 kΩ Output Current Each single-ended output 100 mA Output Balance Error f = 1 MHz −69 dB VOCM TO VO, cm PERFORMANCE VOCM Dynamic Performance −3 dB Bandwidth VO, cm = 0.1 V p-p 515 MHz Slew Rate VO, cm = 2 V p-p 250 V/µs Gain 0.999 1.000 1.001 V/V VOCM Input Characteristics Input Voltage Range −3.8 +3.8 V Input Resistance 3.5 MΩ Input Offset Voltage VOS, cm = VO, cm − VOCM; VIP = VIN = VOCM = 0 V −900 ±300 +900 µV Input Voltage Noise f = 100 kHz 3.5 nV/√Hz Input Bias Current 1.3 4.5 µA CMRR ∆VOCM/∆VO, dm, ∆VOCM = ±1 V 74 88 dB Rev. C | Page 3 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