Datasheet AD8138 (Analog Devices) - 6

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Data Sheet AD8138 ±DIN TO ±OUT SPECIFICATIONS
At 25°C, VS = 5 V, VOCM = 2.5 V, G = +1, RL, dm = 500 Ω, unless otherwise noted. Refer to Figure 39 for test setup and label descriptions. All specifications refer to single-ended input and differential output, unless otherwise noted.
Table 3. Parameter Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE −3 dB Small Signal Bandwidth VOUT = 0.5 V p-p, CF = 0 pF 280 310 MHz VOUT = 0.5 V p-p, CF = 1 pF 225 MHz Bandwidth for 0.1 dB Flatness VOUT = 0.5 V p-p, CF = 0 pF 29 MHz Large Signal Bandwidth VOUT = 2 V p-p, CF = 0 pF 265 MHz Slew Rate VOUT = 2 V p-p, CF = 0 pF 950 V/µs Settling Time 0.01%, VOUT = 2 V p-p, CF = 1 pF 16 ns Overdrive Recovery Time VIN = 2.5 V to 0 V step, G = +2 4 ns NOISE/HARMONIC PERFORMANCE1 Second Harmonic VOUT = 2 V p-p, 5 MHz, RL, dm = 800 Ω −90 dBc VOUT = 2 V p-p, 20 MHz, RL, dm = 800 Ω −79 dBc VOUT = 2 V p-p, 70 MHz, RL, dm = 800 Ω −60 dBc Third Harmonic VOUT = 2 V p-p, 5 MHz, RL, dm = 800 Ω −100 dBc VOUT = 2 V p-p, 20 MHz, RL, dm = 800 Ω −82 dBc VOUT = 2 V p-p, 70 MHz, RL, dm = 800 Ω −53 dBc IMD 20 MHz −74 dBc IP3 20 MHz 35 dBm Voltage Noise (RTI) f = 100 kHz to 40 MHz 5 nV/√Hz Input Current Noise f = 100 kHz to 40 MHz 2 pA/√Hz INPUT CHARACTERISTICS Offset Voltage VOS, dm = VOUT, dm/2; VDIN+ = VDIN– = VOCM = 0 V −2.5 ±1 +2.5 mV TMIN to TMAX variation ±4 µV/°C Input Bias Current 3.5 7 µA TMIN to TMAX variation −0.01 µA/°C Input Resistance Differential 6 MΩ Common mode 3 MΩ Input Capacitance 1 pF Input Common-Mode Voltage −0.3 to +3.2 V CMRR ∆VOUT, dm/∆VIN, cm; ∆VIN, cm = 1 V −77 −70 dB OUTPUT CHARACTERISTICS Output Voltage Swing Maximum ∆VOUT; single-ended output 2.9 V p-p Output Current 95 mA Output Balance Error ∆VOUT, cm/∆VOUT, dm; ∆VOUT, dm = 1 V −65 dB 1 Harmonic distortion performance is equal or slightly worse with higher values of RL, dm. See Figure 17 and Figure 18 for more information. Rev. G | Page 5 of 24 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ±DIN TO ±OUT SPECIFICATIONS VOCM TO ±OUT SPECIFICATIONS ±DIN TO ±OUT SPECIFICATIONS VOCM TO ±OUT SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE Maximum Power Dissipation ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS OPERATIONAL DESCRIPTION DEFINITION OF TERMS THEORY OF OPERATION ANALYZING AN APPLICATION CIRCUIT SETTING THE CLOSED-LOOP GAIN ESTIMATING THE OUTPUT NOISE VOLTAGE THE IMPACT OF MISMATCHES IN THE FEEDBACK NETWORKS CALCULATING THE INPUT IMPEDANCE OF AN APPLICATION INPUT COMMON-MODE VOLTAGE RANGE IN SINGLE-SUPPLY APPLICATIONS SETTING THE OUTPUT COMMON-MODE VOLTAGE DRIVING A CAPACITIVE LOAD LAYOUT, GROUNDING, AND BYPASSING BALANCED TRANSFORMER DRIVER HIGH PERFORMANCE ADC DRIVING 3 V OPERATION OUTLINE DIMENSIONS ORDERING GUIDE