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ADC3241 bảng dữ liệu(PDF) 5 Page - Texas Instruments |
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ADC3241 bảng dữ liệu(HTML) 5 Page - Texas Instruments |
5 / 70 page 5 THS4551 www.ti.com SBOS778A – APRIL 2016 – REVISED AUGUST 2016 Product Folder Links: THS4551 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated 7.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) MIN NOM MAX UNIT VS+ Single-supply positive voltage 2.7 5 5.4 V TA Ambient temperature –40 25 125 °C (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report. (2) Thermal impedance for RGT reported with backside thermal pad soldered to heat spreading plane. 7.4 Thermal Information THERMAL METRIC(1) THS4551 UNIT RGT(2) (VQFN) RUN (WQFN) DGK (VSSOP) 16 PINS 10 PINS 8 PINS RθJA Junction-to-ambient thermal resistance 54 142 185 °C/W RθJC(top) Junction-to-case (top) thermal resistance 72 78 76 °C/W RθJB Junction-to-board thermal resistance 28 97 106 °C/W ψJT Junction-to-top characterization parameter 3.2 9.7 13 °C/W ψJB Junction-to-board characterization parameter 28 97 105 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance 12 N/A N/A °C/W (1) Test levels (all values set by characterization and simulation): (A) 100% tested at TA ≈ 25°C. (B) Not tested in production; limits set by characterization and simulation. (C) Typical value only for information. (2) This slew rate is the average of the rising and falling time estimated from the large-signal bandwidth as: (VPP / √2) × 2π × f–3dB. 7.5 Electrical Characteristics: (VS+) – (VS–) = 5 V at TA ≈ 25°C, VOCM pin = open, RF = 1 kΩ, RL = 1 kΩ, VOUT = 2 VPP, 50-Ω input match, G = 1 V/V, PD = VS+, single-ended input, differential output, and input and output referenced to default midsupply for ac-coupled tests (unless otherwise noted); see Figure 61 for a gain of 1-V/V test circuit PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TEST LEVEL(1) AC PERFORMANCE SSBW Small-signal bandwidth VOUT = 20 mVPP, G = 1, peaking (< 1.0 dB) 150 MHz C VOUT = 20 mVPP, G = 2 75 C VOUT = 20 mVPP, G = 10 15 C GBP Gain-bandwidth product VOUT = 20 mVPP, G = 100 135 MHz C LSBW Large-signal bandwidth VOUT = 2 VPP, G = 1 37 MHz C Bandwidth for 0.1-dB flatness VOUT = 2 VPP, G = 1 15 MHz C SR Slew rate(2) VOUT = 4 VPP, full-power bandwidth (FPBW), RL = 1 kΩ 220 V/µs C tR, tF Rise and fall time VOUT = 0.5-V step, G = 1, input tR = 2 ns 6 ns C tSETTLE Settling time To 0.1%, VOUT = 0.5-V step, input tR = 2 ns, G = 1 30 ns C To 0.01%,VOUT = 0.5-V step, input tR = 2 ns, G = 1 50 C Overshoot and undershoot VOUT = 0.5-V step G = 1, input tR = 2 ns 8% C HD2 Second-order harmonic distortion f = 100 kHz, VOUT = 2 VPP, G = 1, RL = 1 kΩ –128 dBc C f = 100 kHz, VOUT = 8 VPP, G = 1, RL = 1 kΩ –124 C HD3 Third-order harmonic distortion f = 100 kHz, VOUT = 2 VPP, G = 1, RL = 1 kΩ –139 dBc C f = 100 kHz, VOUT = 8 VPP, G = 1, RL = 1 kΩ –131 C Input voltage noise f > 500 Hz, 1/f < 150 Hz 3.3 nV/ √Hz C Input current noise f > 20 kHz, 1/f <10 kHz 0.5 pA/ √Hz C Overdrive recovery time G = 2, 2X output overdrive, dc coupled 50 ns C Closed-loop output impedance f = 100 kHz (differential), G = 1 0.02 Ω C |
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