Datasheet AD8337 (Analog Devices) - 4

HerstellerAnalog Devices
BeschreibungGeneral-Purpose, Low Cost, DC-Coupled VGA
Seiten / Seite28 / 4 — AD8337. Data Sheet. Parameter Test. Conditions/Comments. Min. Typ. Max. …
RevisionD
Dateiformat / GrößePDF / 978 Kb
DokumentenspracheEnglisch

AD8337. Data Sheet. Parameter Test. Conditions/Comments. Min. Typ. Max. Unit

AD8337 Data Sheet Parameter Test Conditions/Comments Min Typ Max Unit

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AD8337 Data Sheet Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE VS = ±5 V Harmonic Distortion VGAIN = 0 V, VOUT = 1 V p-p HD2 f = 1 MHz −85 dBc HD3 −75 dBc HD2 f = 10 MHz −90 dBc HD3 −80 dBc HD2 f = 35 MHz −75 dBc HD3 −76 dBc Input 1 dB Compression Point VGAIN = −0.7 V, f = 10 MHz 14.5 dBm VGAIN = +0.7 V, f = 10 MHz −1.7 dBm Two-Tone Intermodulation Distortion (IMD3) VGAIN = 0 V, VOUT = 1 V p-p, f1 = 10 MHz, f2 = 11 MHz −74 dBc VGAIN = 0 V, VOUT = 1 V p-p, f1 = 45 MHz, f2 = 46 MHz −60 dBc VGAIN = 0 V, VOUT = 2 V p-p, f1 = 10 MHz, f2 = 11 MHz −64 dBc VGAIN = 0 V, VOUT = 2 V p-p, f1 = 45 MHz, f2 = 46 MHz −49 dBc Output Third-Order Intercept VGAIN = 0 V, VOUT = 1 V p-p, f = 10 MHz 35 dBm VGAIN = 0 V, VOUT = 1 V p-p, f = 45 MHz 28 dBm VGAIN = 0 V, VOUT = 2 V p-p, f = 10 MHz 36 dBm VGAIN = 0 V, VOUT = 2 V p-p, f = 45 MHz 28 dBm Overload Recovery VGAIN = 0.7 V, VIN = 0.1 V p-p to 1 V p-p 50 ns ACCURACY Absolute Gain Error −0.7 V < VGAIN < −0.6 V 0.7 to 3.5 dB −0.6 V < VGAIN < −0.5 V −1.25 ±0.35 +1.25 dB −0.5 V < VGAIN < +0.5 V −1.0 ±0.25 +1.0 dB 0.5 V < VGAIN < 0.6 V −1.25 ±0.35 +1.25 dB 0.6 V < VGAIN < 0.7 V −0.7 to −3.5 dB GAIN CONTROL INTERFACE Gain Scaling Factor −0.6 V < VGAIN < +0.6 V 19.7 dB/V Gain Range 24 dB Intercept VGAIN = 0 V 12.65 dB Input Voltage (VGAIN) Range No foldover −VS +VS V Input Impedance 70 MΩ Bias Current −0.7 V < VGAIN < +0.7 V 0.3 μA Response Time 24 dB gain change 200 ns POWER SUPPLY Supply Voltage VPOS to VNEG (dual- or single-supply operation) 4.5 5 10 V VS = ±2.5 V Quiescent Current Each supply (VPOS and VNEG) 10.5 15.5 23.5 mA Power Dissipation No signal, VPOS to VNEG = 5 V 78 mW PSRR VGAIN = 0.7 V, f = 1 MHz −40 dB VS = ±5 V Quiescent Current Each supply (VPOS and VNEG) 13.5 18.5 25.5 mA Power Dissipation No signal, VPOS to VNEG = 10 V 185 mW PSRR VGAIN = 0.7 V, f = 1 MHz −40 dB Rev. D | Page 4 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION OVERVIEW PREAMPLIFIER VGA GAIN CONTROL OUTPUT STAGE ATTENUATOR SINGLE-SUPPLY OPERATION AND AC COUPLING NOISE APPLICATIONS INFORMATION PREAMPLIFIER CONNECTIONS Noninverting Gain Configuration Inverting Gain Configuration DRIVING CAPACITIVE LOADS GAIN CONTROL CONSIDERATIONS THERMAL CONSIDERATIONS PSI (Ψ) BOARD LAYOUT EVALUATION BOARDS CIRCUIT OPTIONS OUTPUT PROTECTION MEASUREMENT SETUP BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE