link to page 5 link to page 5 AD8264Data SheetParameterTest Conditions/CommentsMinTypMaxUnit Two-Tone Intermodulation Distortion (IMD3) VGAx = 1 V p-p, f1 = 10 MHz, f2 = 11 MHz −68 dBc VGAx = 1 V p-p, f1 = 35 MHz, f2 = 36 MHz −51 dBc VOUT = 2 V p-p, f1 = 10 MHz, f2 = 11 MHz −49 dBc VOUT = 2 V p-p, f1 = 35 MHz, f2 = 36 MHz −34 dBc Output Third-Order Intercept VGAx = 1 V p-p, f = 10 MHz 32 dBm 19 dBVRMS VGAx = 1 V p-p, f = 35 MHz 23 dBm 10 dBVRMS VOUT = 2 V p-p, f = 10 MHz 30 dBm 17 dBVRMS VOUT = 2 V p-p, f = 35 MHz 21 dBm 8 dBVRMS Overload Recovery VGAIN = 0.7 V, VIN stepped from 0.1 V p-p to 25 1 V p-p ns Group Delay Variation 1 MHz < f < 100 MHz, full gain range ±1 ns ACCURACY Absolute Gain Error3 −0.7 V < VGAIN < −0.6 V 0 0.2 to 2 3 dB −0.6 V < VGAIN < −0.5 V −1.25 ±0.35 +1.25 dB −0.5 V < VGAIN < +0.5 V −1 ±0.25 +1 dB 0.5 V < VGAIN < 0.6 V −1.25 ±0.35 +1.25 dB 0.6 V < VGAIN < 0.7 V −3 −0.2 to −2 0 dB Gain Law Conformance4 −0.5 V < VGAIN < +0.5 V, ±2.5 V ≤ VS ≤ ±5 V ±0.2 dB −0.5 V < VGAIN < +0.5 V, −40°C ≤ TA ≤ +105°C ±0.3 dB Channel-to-Channel Matching Single IC, −0.5 V < VGAIN < +0.5 V, −0.5 ±0.1 to ±0.25 +0.5 −40°C ≤ TA ≤ +105°C dB Multiple ICs, −0.5 V < VGAIN < +0.5 V, ±0.25 −40°C ≤ TA ≤ +105°C dB GAIN CONTROL INTERFACE Gain Scaling Factor −0.5 V < VGAIN < +0.5 V 19.5 20.0 20.5 dB/V Over Temperature −40°C ≤ TA ≤ +105°C 20 ± 0.5 dB/V Gain Range 24 dB Gain Intercept to VGAx 11.5 11.9 12.2 dB Over Temperature −40°C ≤ TA ≤ +105°C 11.9 ± 0.4 dB Gain Intercept to Differential Output 17.5 17.9 18.2 dB Over Temperature −40°C ≤ TA ≤ +105°C 17.9 ± 0.4 dB GNHx Input Voltage Range GNLO = 0 V, no gain foldover −VS +VS V Input Resistance ΔVIN/ΔIBIAS, −0.7 V < VGAIN < +0.7 V 70 MΩ GNHx Input Bias Current −0.7 V < VGAIN < 0.7 V −0.9 −0.4 0 µA Over Temperature −0.7 V < VGAIN < 0.7 V, −40°C ≤ TA ≤ +105°C −0.4 ± +0.2 µA GNLO Input Bias Current −0.7 V < VGAIN < 0.7 V −1.2 µA Over Temperature −0.7 V < VGAIN < 0.7 V, −40°C ≤ TA ≤ +105°C −1.2 ± +0.4 µA Response Time 24 dB gain change 200 ns OUTPUT BUFFER VOCM Input Bias Current 0.3 1.5 2.5 nA Over Temperature −40°C ≤ TA ≤ +105°C 1.5 ± 0.3 nA VOCM Input Voltage Range OFSx = 0 V, VGAx = 0 V −1.4 +1.4 V Gain (VGAx to Differential Output) 5.75 6 6.25 dB Over Temperature −40°C ≤ TA ≤ +105°C 6 ± 0.5 dB Rev. C | Page 4 of 37 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM 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 OVERVIEW PREAMP VGA POST AMPLIFIER VOCM Pin OFSx Pins NOISE APPLICATIONS INFORMATION A LOW CHANNEL COUNT APPLICATION CONCEPT USING A DISCRETE REFERENCE A DC CONNECTED CONCEPT EXAMPLE EVALUATION BOARD CONNECTING AND USING THE AD8264-EVALZ OUTLINE DIMENSIONS ORDERING GUIDE