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THS3491IRGTT Datasheet(PDF) 7 Page - Texas Instruments |
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THS3491IRGTT Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 28 page  7 THS3491 www.ti.com SBOS875 – AUGUST 2017 Product Folder Links: THS3491 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated Electrical Characteristics: VS = ±15 V (continued) at +VS = 15 V, –VS = –15 V, TA = 25°C, RLOAD = 100 Ω, noninverting gain = 5 V/V, and RGT package: RF = 576 Ω, RG = 143 Ω, or DDA package: RF = 798 Ω, RG = 200 Ω (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TEST LEVEL JUNCTION-TEMPERATURE SENSE, Tj-sense (QFN-16 only, pin 6) TJ-sense 25°C value Device disabled (22°C to 32°C ATE ambient temperature) 0.915 1.06 1.15 V A TJ-sense temperature coefficient TJ = 0°C to 125°C 2.9 3 3.3 mV/°C B TJ-sense input impedance Internally connected to REF pin 32.4 35 38 kΩ A 7.6 Electrical Characteristics: VS = ±7.5 V at +VS = 7.5 V, –VS = –7.5 V, TA = 25°C, RLOAD = 100 Ω, noninverting gain = 5 V/V, and RGT package: RF = 576 Ω, RG = 143 Ω, or DDA Package: RF = 798 Ω, RG = 200 Ω (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TEST LEVEL AC PERFORMANCE SSBW Small-signal bandwidth VO = 2 VPP, < 0.5-dB peaking 800 MHz C LSBW Large-signal bandwidth VO = 5 VPP, < 1-dB peaking 550 MHz C SR Slew rate (10%-90%) VO = 10 VPP 6000 V/µs C HD2 Second-order harmonic distortion f = 20 MHz, RLOAD = 100 Ω, VO = 5 VPP –76 dBc C HD3 Third-order harmonic distortion f = 20 MHz, RLOAD = 100 Ω, VO = 5 VPP –82 dBc C en Input-referred voltage noise f > 10 kHz 1.7 nV/ √Hz C eip Noninverting, input-referred current noise f > 10 kHz 15 pA/ √Hz C ein Inverting, input-referred current noise f > 10 kHz 20 pA/ √Hz C ZOUT Close-loop output impedance f = 50 MHz 1 Ω C DC PERFORMANCE ZOL Open-loop transimpedance gain VO = ±5 V, RLOAD = 500 Ω 8 14 MΩ A VOS Input offset voltage –1.0 1 2 mV A VOS drift Input offset-voltage drift –40°C ≤ TJ ≤ +125°C 3 µV/°C B Ib+ Noninverting input bias current –5 1.5 5 µA A Ib+ drift Noninverting input bias-current drift –40°C ≤ TJ ≤ +125°C 15 nA/°C B Ib- Inverting input bias current –15 4 15 µA A Ib- drift Inverting input bias-current drift –40°C ≤ TJ ≤ +125°C 15 nA/°C B INPUT ZIN+ Noninverting input impedance Closed-loop measurement 50 kΩ C ZIN- Inverting input impedance Open-loop measurement 15 Ω C HRIN Headroom to either supply CMRR > 60 dB 4.1 4.3 V C OUTPUT HROUT Headroom to either supply RLOAD = 100 Ω 1.3 1.5 1.7 V A Linear output current RLOAD = 24 Ω, VO = ±5 V, ZOL > 1M Ω, Bipolar each polarity 200 250 mA A POWER SUPPLY IQ Quiescent current No load 15.4 15.8 16.4 mA A |
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