Datasheet AD8331-EP (Analog Devices) - 4

FabricanteAnalog Devices
DescripciónSingle VGA with Ultralow Noise Preamplifier and Programmable RIN
Páginas / Página9 / 4 — AD8331-EP. Enhanced Product. Parameter. Test Conditions/Comments. Min. …
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AD8331-EP. Enhanced Product. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit1

AD8331-EP Enhanced Product Parameter Test Conditions/Comments Min Typ Max Unit1

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AD8331-EP Enhanced Product Parameter Test Conditions/Comments Min Typ Max Unit1
Output Signal Range, Postamplifier RL ≥ 500 Ω, unclamped, either pin VCM ± 1.125 V Differential 4.5 V p-p Output Offset Voltage Differential, VGAIN = 0.5 V −50 ±5 +50 mV Common mode −125 −25 +100 mV Output Short-Circuit Current 45 mA Harmonic Distortion VGAIN = 0.5 V, VOUT = 1 V p-p, high gain mode HD2 f = 1 MHz −88 dBc HD3 −85 dBc HD2 f = 10 MHz −68 dBc HD3 −65 dBc Input 1 dB Compression Point VGAIN = 0.25 V, VOUT = 1 V p-p, f = 1 MHz to 1 dBm 10 MHz Two-Tone Intermodulation Distortion (IMD3) VOUT = 1 V p-p VGAIN = 0.72 V, f = 1 MHz −80 dBc VGAIN = 0.5 V, f = 10 MHz −72 dBc Output Third-Order Intercept VGAIN = 0.5 V, VOUT = 1 V p-p f = 1 MHz 38 dBm f = 10 MHz 33 dBm Overload Recovery VGAIN = 1.0 V, input voltage (VIN) = 50 mV p-p/ 5 ns 1 V p-p, f = 10 MHz Group Delay Variation 5 MHz < f < 50 MHz, full gain range ±2 ns ACCURACY Absolute Gain Error2 0.05 V < VGAIN < 0.10 V −1 +0.5 +2 dB 0.10 V < VGAIN < 0.95 V −1 ±0.3 +1 dB 0.95 V < VGAIN < 1.0 V −2 −1 +1 dB Gain Law Conformance3 0.1 V < VGAIN < 0.95 V ±0.2 dB GAIN CONTROL INTERFACE GAIN pin Gain Scaling Factor 0.10 V < VGAIN < 0.95 V 48.5 50 51.5 dB/V Post Amplifier Gain Low gain mode (HILO = low) 3.5 dB High gain mode (HILO = high) 15.5 dB Gain Range Low gain mode −4.5 to +43.5 dB High gain mode 7.5 to 55.5 dB Input Voltage (VGAIN) Range 0 to 1.0 V Input Impedance 10 MΩ Response Time 48 dB gain change to 90% full scale 500 ns COMMON-MODE INTERFACE VCM pin Input Resistance4 Current limited to ±1 mA 30 Ω Output Common-Mode Offset Voltage Common-mode voltage (VCM) = 2.5 V −125 −25 +100 mV Voltage Range VOUT = 2.0 V p-p 1.5 to 3.5 V ENABLE INTERFACE ENBL AND ENBV pins Logic Level to Enable Power 2.25 5 V Logic Level to Disable Power 0 1.0 V Input Resistance ENB pin 25 kΩ ENBL pin 40 kΩ ENBV pin 70 kΩ Power-Up Response Time VINH = 30 mV p-p 300 µs VINH = 150 mV p-p 4 ms Rev. 0 | Page 4 of 9 Document Outline FEATURES ENHANCED PRODUCT FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS POWER DERATING CURVES THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS OUTLINE DIMENSIONS ORDERING GUIDE