Datasheet AD8432 (Analog Devices) - 3

Data Sheet AD8432 SPECIFICATIONS
VS = 5 V, TA = 25°C, RS = RIN = 50 Ω, RFB =150 Ω, CSH = 47 pF, RSH = 15 Ω, RL = 500 Ω (per SE output), CL = 5 pF (per SE output), G = 12.04 dB (single-ended input to differential output), f = 1 MHz, unless otherwise specified.
Table 1. Parameter Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE Gain Range Input to differential output (selectable gain) 12.04 24.08 dB Input to single output (selectable gain) 6.02 18.06 dB Gain Error 0.1 1 dB −3 dB Small Signal Bandwidth RIN unterminated, RFB = ∞, CSH = 0 pF, RSH = 0 Ω G = 12.04 dB 200 MHz G = 18.06 dB 90 MHz G = 21.58 dB 50 MHz G = 24.08 dB 32 MHz −3 dB Large Signal Bandwidth VOUT = 2 V p-p 42 MHz Slew Rate (Rising Edge) VOUT = 2 V p-p, f = 10 MHz 295 V/μs Slew Rate (Falling Edge) VOUT = 2 V p-p, f = 10 MHz 170 V/μs Overdrive Recovery Time 10 ns DISTORTION/NOISE PERFORMANCE Input Voltage Noise RFB = ∞ 0.85 nV/√Hz Input Current Noise RFB = ∞ 2.0 pA/√Hz Noise Figure Unterminated RS = 50 Ω, RFB = ∞ 2.8 dB Active Termination RS = RIN = 50 Ω, RFB = 150 Ω 4.8 dB RS = 50 Ω, RFB = 226 Ω, RIN = 75 Ω 4.2 dB RS = 50 Ω, RFB = 301 Ω, RIN = 100 Ω 3.2 dB RS = 50 Ω, RFB = 619 Ω, RIN = 200 Ω 2.1 dB RS = 50 Ω, RFB = 3.57 kΩ, RIN = 1 kΩ 2.3 dB Output Referred Noise G = 12.04 dB, RFB = ∞ 3.4 nV/√Hz G = 18.06 dB, RFB = ∞ 6.8 nV/√Hz G = 21.58 dB, RFB = ∞ 10.2 nV/√Hz G = 24.08 dB, RFB = ∞ 13.6 nV/√Hz Harmonic Distortion 1 MHz (VOUT = 1 V p-p) HD2 −67 dBc HD2, RS = 50 Ω, RIN unterminated −74 dBc HD3 −103 dBc HD3, RS = 50 Ω, RIN unterminated −106 dBc 1 MHz (VOUT = 2 V p-p) HD2 −65 dBc HD2, RS = 50 Ω, RIN unterminated −72 dBc HD3 −103 dBc HD3, RS = 50 Ω, RIN unterminated −92 dBc 10 MHz (VOUT = 1 V p-p) HD2 −66 dBc HD2, RS = 50 Ω, RIN unterminated −62 dBc HD3 −78 dBc HD3, RS = 50 Ω, RIN unterminated −73 dBc 10 MHz (VOUT = 2 V p-p) HD2 −60 dBc HD2, RS = 50 Ω, RIN unterminated −56 dBc HD3 −72 dBc HD3, RS = 50 Ω, RIN unterminated −65 dBc Rev. D | Page 3 of 32 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS 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 LOW NOISE AMPLIFIER (LNA) GAIN SETTING TECHNIQUE ACTIVE INPUT RESISTANCE MATCHING APPLICATIONS INFORMATION TYPICAL SETUP I/Q DEMODULATION FRONT END DIFFERENTIAL-TO-SINGLE-ENDED CONVERSION EVALUATION BOARD CONNECTION AND OPERATION Power Supply Input Termination Setting the Amplifier Gain Output SCHEMATIC OUTLINE DIMENSIONS ORDERING GUIDE NOTES NOTES NOTES