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OPA837IDBVT Datasheet(PDF) 8 Page - Texas Instruments |
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OPA837IDBVT Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 64 page  8 OPA837, OPA2837 SBOS673D – SEPTEMBER 2017 – REVISED DECEMBER 2018 www.ti.com Product Folder Links: OPA837 OPA2837 Submit Documentation Feedback Copyright © 2017–2018, Texas Instruments Incorporated Electrical Characteristics: VS = 5 V (continued) at VS+ = 5 V, VS– = 0 V, RF = 0 Ω, RL = 2 kΩ, G = 1 V/V, input and output referenced to mid-supply, and TA ≈ 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TEST LEVEL(1) (5) The typical specification is at 25°C TJ. The min, max limits are expanded for the automated test equipment (ATE) to account for an ambient range from 22°C to 32°C with a 2-µA/°C temperature coefficient on the supply current. Input offset current drift(3) TA = –40°C to +125°C –250 ±40 250 pA/°C B TA = –40°C to +125°C (OPA2837) –270 ±80 330 B Input-referred offset voltage mismatch TA ≈ 25°C (OPA2837) -220 50 220 µV A INPUT Common-mode input range, low TA ≈ 25°C, < 3-dB degradation in CMRR limit –0.2 0 V A TA = –40°C to +125°C, < 3-dB degradation in CMRR limit –0.2 0 B Common-mode input range, high TA ≈ 25°C, < 3-dB degradation in CMRR limit 3.7 3.8 V A TA = –40°C to +125°C, < 3-dB degradation in CMRR limit 3.7 3.8 B CMRR Common-mode rejection ratio 91 110 dB A Input impedance common-mode 175 || 1.5 MΩ || pF C Input impedance differential mode 180 || 0.5 kΩ || pF C OUTPUT VOL Output voltage, low TA ≈ 25°C, G = 2 0.05 0.1 V A TA = –40°C to +125°C, G = 5 0.05 0.1 B VOH Output voltage, high TA ≈ 25°C, G = 2 4.9 4.95 V A TA = –40°C to +125°C, G = 5 4.8 4.9 B Maximum current into a resistive load TA ≈ 25°C, ±1.6 V into 27 Ω, VIO < 2 mV ±58 ±70 mA A Linear current into a resistive load TA ≈ 25°C, ±1.7 V into 37.4 Ω, AOL > 80 dB ±45 ±50 mA A Linear current into a resistive load overtemperature TA = –40°C to +125°C, ±1.31 V into 37.4 Ω, AOL > 80 dB ±35 ±45 mA C Closed-loop output impedance Gain of 1 V/V, ±30-mA DC 0.6 mΩ C POWER SUPPLY Specified operating voltage 2.7 5.4 V B Quiescent operating current per amplifier (5-V supply) TA ≈ 25°C (5) 564 592 625 µA A TA = –40°C to +125°C 408 592 865 B Supply current temperature coefficient per amplifier TA = –40°C to +125°C (see Figure 57) 1.1 1.9 2.4 µA/°C B +PSRR Positive power-supply rejection ratio 95 110 dB A –PSRR Negative power-supply rejection ratio 92 108 dB A POWER DOWN (Pin Must be Driven) Enable voltage threshold Specified on above VS– + 1.5 V 1.5 V A Disable voltage threshold Specified off below VS– + 0.55 V 0.55 V A Power-down pin bias current PD = 0 V to VS+ –50 50 nA A Power-down quiescent current PD ≤ 0.55 V 4 5 10 µA A Power-down quiescent current over temperature PD ≤ 0.55 V, TA = –40°C to +125°C 10 µA B Turnon time delay Time from PD = high to VOUT = 90% of final value 300 ns C Turnoff time delay Time from PD = low to VOUT = 10% of original value 100 ns C |
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