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VCA820IDGSRG4 Datasheet(PDF) 3 Page - Texas Instruments |
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VCA820IDGSRG4 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 37 page  VCA820 www.ti.com............................................................................................................................................ SBOS395C – OCTOBER 2007 – REVISED OCTOBER 2009 ELECTRICAL CHARACTERISTICS: VS = ±5V At AVMAX = 20dB, RF = 1kΩ, RG = 200Ω, and RL = 100Ω, unless otherwise noted. VCA820 MIN/MAX OVER TYP TEMPERATURE 0°C to –40°C to MIN/ TEST PARAMETER CONDITIONS +25°C +25°C (2) +70°C (3) +85°C (3) UNITS MAX LEVEL (1) AC PERFORMANCE Small-signal bandwidth (SO-14 package) AVMAX = 6dB, VO = 1VPP, VG = +2V 168 MHz typ C AVMAX = 20dB, VO = 1VPP, VG = +2V 150 MHz typ C AVMAX = 40dB, VO = 1VPP, VG = +2V 118 MHz typ C Large-signal bandwidth AVMAX = 20dB, VO = 5VPP, VG = +2V 137 MHz typ C Gain control bandwidth VG = 1VDC + 10mVPP 200 170 170 165 MHz min B Bandwidth for 0.1dB flatness AVMAX = 20dB, VO = 1VPP, VG = +2V 28 MHz typ C Slew rate AVMAX = 20dB, VO = 5V step, VG = +2V 1700 1500 1500 1450 V/ μs min B Rise-and-fall time AVMAX = 20dB, VO = 5V step, VG = +2V 2.5 3.1 3.2 3.2 ns max B Settling time to 0.01% AVMAX = 20dB, VO = 5V step, VG = +2V 11 ns typ C Harmonic distortion 2nd-harmonic VO = 2VPP, f = 20MHz –62 –60 –60 –60 dBc min B 3rd-harmonic VO = 2VPP, f = 20MHz –68 –66 –66 –66 dBc min B Input voltage noise f > 100kHz 8.2 nV/ √Hz typ C Input current noise f > 100kHz 2.6 pA/ √Hz typ C GAIN CONTROL Absolute gain error AVMAX = 20dB, VG = 2V ±0.1 ±0.4 ±0.5 ±0.6 dB max A VCTRL0 0.85 V typ C VSLOPE 0.09 V typ C Absolute gain error AVMAX = 20dB, VG = 1V, (G = 18.06dB) ±0.3 ±0.4 ±0.5 ±0.6 dB max A Gain at VG = 0.2V Relative to maximum gain –26 –24 –24 –23 dB max A Gain control bias current 10 16 16.6 16.7 μA max A Average gain control bias current drift ±12 ±12 nA/°C max B Gain control input impedance 70 || 1 k Ω || pF typ C DC PERFORMANCE Input offset voltage AVMAX = 20dB, VCM = 0V, VG = 1V ±4 ±17 ±17.8 ±19 mV max A Average input offset voltage drift AVMAX = 20dB, VCM = 0V, VG = 1V 30 30 μV/°C max B Input bias current AVMAX = 20dB, VCM = 0V, VG = 1V 19 25 29 31 μA max A Average input bias current drift AVMAX = 20dB, VCM = 0V, VG = 1V 90 90 nA/°C max B Input offset current AVMAX = 20dB, VCM = 0V, VG = 1V ±0.5 ±2.5 ±3.2 ±3.5 μA max A Average input offset current drift AVMAX = 20dB, VCM = 0V, VG = 1V ±16 ±16 nA/°C max B Maximum current through gain resistance ±2.6 ±2.55 ±2.55 ±2.5 mA max B INPUT Most positive common-mode input voltage RL = 100Ω +1.6 +1.6 +1.6 +1.6 V min A Most negative common-mode input voltage RL = 100Ω –2.1 –2.1 –2.1 –2.1 V max A Common-mode rejection ratio VCM = ±0.5V 80 65 60 60 dB min A Input impedance Differential 0.5 || 1 M Ω || pF typ C Common-mode 0.5 || 2 M Ω || pF typ C (1) Test levels: (A) 100% tested at +25°C. Over temperature limits set by characterization and simulation. (B) Limits set by characterization and simulation. (C) Typical value only for information. (2) Junction temperature = ambient for +25°C tested specifications. (3) Junction temperature = ambient at low temperature limit; junction temperature = ambient +23°C at high temperature limit for over temperature specifications. Copyright © 2007–2009, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): VCA820 |
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