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OPA855 数据表(PDF) 6 Page - Texas Instruments |
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OPA855 数据表(HTML) 6 Page - Texas Instruments |
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6 / 35 page  6.5 Electrical Characteristics 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 AC PERFORMANCE SSBW Small-signal bandwidth VOUT = 100 mVPP 2.5 GHz LSBW Large-signal bandwidth VOUT = 2 VPP 850 MHz GBWP Gain-bandwidth product 8 GHz Bandwdith for 0.1-dB flatness 200 MHz SR Slew rate (10%-90%) VOUT = 2-V step 2750 V/µs tr Rise time VOUT = 100-mV step 0.17 ns tf Fall time VOUT = 100-mV step 0.17 ns Settling time to 0.1% VOUT = 2-V step 2.3 ns Settling time to 0.001% VOUT = 2-V step 2600 ns Overshoot or undershoot VOUT = 2-V step 5% Overdrive recovery 2x output overdrive 3 ns HD2 Second-order harmonic distortion f = 10 MHz, VOUT = 2 VPP 90 dBc f = 100 MHz, VOUT = 2 VPP 65 HD3 Third-order harmonic distortion f = 10 MHz, VOUT = 2 VPP 86 dBc f = 100 MHz, VOUT = 2 VPP 74 en Input-referred voltage noise f = 1 MHz 0.98 nV/√Hz ei Input-referred current noise f = 1 MHz 2.5 pA/√Hz zO Closed-loop output impedance f = 1 MHz 0.15 Ω DC PERFORMANCE AOL Open-loop voltage gain 70 76 dB VOS Input offset voltage TA = 25°C –1.5 ±0.2 1.5 mV ΔVOS/ΔT Input offset voltage drift TA = –40°C to 125°C 0.5 µV/°C IB Input bias current (1) TA = 25°C –20 –12 –5 µA ΔIB/ΔT Input bias current drift TA = –40°C to +125°C –0.08 µA/°C IBOS Input offset current TA = 25°C –1 ±0.1 1 µA ΔIBOS/ΔT Input offset current drift TA = –40°C to +125°C 1 nA/°C CMRR Common-mode rejection ratio VCM = ±0.5 V referred to midsupply 90 100 dB INPUT Common-mode input resistance 2.3 MΩ CCM Common-mode input capacitance 0.6 pF Differential input resistance 5 kΩ CDIFF Differential input capacitance 0.2 pF VIH Common-mode input range (high) CMRR > 80 dB, VS+ = 3.3 V 2.7 2.9 V VIL Common-mode input range (low) CMRR > 80 dB, VS+ = 3.3 V 1.1 1.3 V VIH Common-mode input range (high) CMRR > 80 dB 4.4 4.6 V VIH Common-mode input range (high) TA = –40°C to +125 °C, CMRR > 80 dB 4.3 V VIL Common-mode input range (low) CMRR > 80 dB 1.1 1.3 V VIL Common-mode input range (low) TA = –40°C to +125°C, CMRR > 80 dB 1.3 V OPA855-Q1 SBOSA57A – FEBRUARY 2021 – REVISED MARCH 2021 www.ti.com 6 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: OPA855-Q1 |
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