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OPA855 数据表(PDF) 7 Page - Texas Instruments |
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OPA855 数据表(HTML) 7 Page - Texas Instruments |
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7 / 41 page ![]() 6.5 Electrical Characteristics (continued) at VS+ = 5 V, VS– = 0 V, G = 7 V/V, RF = 453 Ω, input common-mode biased at midsupply, RL = 200 Ω, output load is referenced to midsupply, and TA = 25℃ (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OUTPUT VOH Output voltage (high)(3) TA = 25°C, VS+ = 3.3 V 2.35 2.4 V VOH Output voltage (high)(3) TA = 25°C 3.95 4.1 V TA = –40°C to +125°C 4 VOL Output voltage (low)(3) TA = 25°C, VS+ = 3.3 V 1.05 1.15 V VOL Output voltage (low)(3) TA = 25°C 1.05 1.15 V TA = –40°C to +125°C 1.1 IO_LIN Linear output drive (sink and source)(1) RL = 10 Ω, AOL > 60 dB 65 80 mA TA = –40°C to +125°C, RL = 10 Ω, AOL > 60 dB 70 ISC Output short-circuit current(1) 85 105 mA POWER SUPPLY IQ Quiescent current 16 17.8 19.5 mA TA = –40°C 16.7 TA = 125°C 19.5 PSRR+ Positive power-supply rejection ratio(1) 80 86 dB PSRR– Negative power-supply rejection ratio(1) 70 80 POWER DOWN Disable voltage threshold Amplifier off when less than this voltage 0.65 1 V Enable voltage threshold Amplifier on when less than this voltage 1.5 1.8 V Power-down quiescent current 70 140 μA PD bias current 70 140 μA Turn-on time delay Time to VOUT = 90% of final value 15 ns Turn-off time delay 120 ns (1) MIN and MAX limits do not apply for bare die. (2) Current flowing into the input pin is considered negative. (3) Amplifier output saturated. www.ti.com OPA855 SBOS622D – JULY 2018 – REVISED MAY 2025 Copyright © 2025 Texas Instruments Incorporated Submit Document Feedback 7 Product Folder Links: OPA855 |
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