Datasheet AD8337 (Analog Devices) - 3
制造商 | Analog Devices |
描述 | General-Purpose, Low Cost, DC-Coupled VGA |
页数 / 页 | 28 / 3 — Data Sheet. AD8337. SPECIFICATIONS. Table 1. Parameter Test. … |
修订版 | D |
文件格式/大小 | PDF / 978 Kb |
文件语言 | 英语 |
Data Sheet. AD8337. SPECIFICATIONS. Table 1. Parameter Test. Conditions/Comments. Min. Typ. Max. Unit
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文件文字版本
Data Sheet AD8337 SPECIFICATIONS
VS = ±2.5 V, TA = 25°C, preamplifier gain = +2, VCOM = GND, f = 10 MHz, CL = 5 pF, RL = 500 Ω, including a 20 Ω snubbing resistor, unless otherwise specified.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
GENERAL PARAMETERS −3 dB Small Signal Bandwidth VOUT = 10 mV p-p 280 MHz −3 dB Large Signal Bandwidth VOUT = 1 V p-p 100 MHz Slew Rate VOUT = 2 V p-p 625 V/μs VOUT = 1 V p-p 490 V/μs Input Voltage Noise f = 10 MHz 2.2 nV/√Hz Input Current Noise f = 10 MHz 4.8 pA/√Hz Noise Figure VGAIN = 0.7 V, RS = 50 Ω, unterminated 8.5 dB VGAIN = 0.7 V, RS = 50 Ω, shunt terminated with 50 Ω 14 dB Output Referred Noise VGAIN = 0.7 V (gain = 24 dB) 34 nV/√Hz VGAIN = −0.7 V (gain = 0 dB) 21 nV/√Hz Output Impedance DC to 10 MHz 1 Ω Output Signal Range RL ≥ 500 Ω, VS = 2.5 V, +5 V VCOM 1.3 V RL ≥ 500 Ω, VS = 5 V VCOM 2.4 V Output Offset Voltage VGAIN = 0.7 V (gain = 24 dB) −25 ±5 +25 mV DYNAMIC PERFORMANCE Harmonic Distortion VGAIN = 0 V, VOUT = 1 V p-p HD2 f = 1 MHz −72 dBc HD3 −66 dBc HD2 f = 10 MHz −62 dBc HD3 −63 dBc HD2 f = 45 MHz −58 dBc HD3 −56 dBc Input 1 dB Compression Point VGAIN = −0.7 V, f = 10 MHz (preamp limited) 8.2 dBm VGAIN = +0.7 V, f = 10 MHz (VGA limited) −9.4 dBm Two-Tone Intermodulation Distortion (IMD3) VGAIN = 0 V, VOUT = 1 V p-p, f1 = 10 MHz, f2 = 11 MHz −71 dBc VGAIN = 0 V, VOUT = 1 V p-p, f1 = 45 MHz, f2 = 46 MHz −57 dBc VGAIN = 0 V, VOUT = 2 V p-p, f1 = 10 MHz, f2 = 11 MHz −58 dBc VGAIN = 0 V, VOUT = 2 V p-p, f1 = 45 MHz, f2 = 46 MHz −45 dBc Output Third-Order Intercept VGAIN = 0 V, VOUT = 1 V p-p, f = 10 MHz 34 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 35 dBm VGAIN = 0 V, VOUT = 2 V p-p, f = 45 MHz 26 dBm Overload Recovery VGAIN = 0.75 V, VIN = 50 mV p-p to 500 mV p-p 50 ns Group Delay Variation 1 MHz < f < 100 MHz, full gain range ±1 ns Rev. D | Page 3 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