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OPA685 Datasheet(PDF) 3 Page - Burr-Brown (TI) |
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OPA685 Datasheet(HTML) 3 Page - Burr-Brown (TI) |
3 / 28 page 3 ® OPA685 SPECIFICATIONS: VS = +5V RF = 348Ω, RL = 100Ω to VS /2, and G = +8, (Figure 3 for AC performance only), unless otherwise noted. OPA685U, N TYP GUARANTEED 0 °C to –40 °C to MIN/ TEST PARAMETER CONDITIONS +25 °C +25 °C(2) 70 °C(3) +85 °C(3) UNITS MAX LEVEL(1) AC PERFORMANCE (Figure 3) Small-Signal Bandwidth (VO = 0.5Vp-p) G = +1, RF = 511Ω 600 MHz typ C G = +2, RF = 487Ω 450 MHz min B G = +8, RF = 348Ω 350 240 220 200 MHz typ C G = +16, RF = 162Ω 250 MHz typ C Bandwidth for 0.1dB Gain Flatness G = +2, VO < 0.5Vp-p, RF = 487Ω 140 80 70 60 MHz min B Peaking at a Gain of +1 RF = 511Ω, VO < 0.5Vp-p 0.4 1.0 1.5 1.5 dB max B Large Signal Bandwidth G = +8, VO = 2Vp-p 350 MHz typ C Slew Rate G = +8, 2V Step 1900 1300 1200 1100 V/ µs min B Rise/Fall Time G = +8, VO = 0.5V Step 0.8 ns typ C G = +8, VO = 2V Step 1.0 ns typ C Settling Time to 0.02% G = +8, VO = 2V Step 9 ns typ C 0.1% G = +8, VO = 2V Step 7 ns typ C Harmonic Distortion G = +8, f = 10MHz, VO = 2Vp-p 2nd Harmonic RL = 100Ω to VS/2 –60 –54 –53 –52 dBc max B RL ≥ 500Ω to VS/2 –68 –60 –59 –58 dBc max B 3rd Harmonic RL = 100Ω to VS/2 –58 –51 –50 –50 dBc max B RL ≥ 500Ω to VS/2 –60 –55 –54 –54 dBc max B Input Voltage Noise f > 1MHz 1.7 1.8 2.2 2.2 nV/ √Hz max B Non-Inverting Input Current Noise f > 1MHz 13 15 15 15 pA/ √Hz max B Inverting Input Current Noise f > 1MHz 19 22 22 22 pA/ √Hz max B DC PERFORMANCE(4) Open-Loop Transimpedance Gain (ZOL) VO = VS/2, RL = 100Ω to VS/2 40 25 23 20 k Ω min A Input Offset Voltage VCM = VS/2 ±1 ±3 ±3.5 ±4.0 mV max A Average Offset Voltage Drift VCM = VS/2 12 15 µV/°C max B Non-Inverting Input Bias Current VCM = VS/2 +40 +110 ±120 ±150 µA max A Average Non-Inverting Input Bias Current Drift VCM = VS/2 –550 –650 nA/ °C max B Inverting Input Bias Current VCM = VS/2 ±50 ±100 ±120 ±150 µA max A Average Inverting Input Bias Current Drift VCM = VS/2 –550 –650 nA / °C max B INPUT Least Positive Input Voltage(5) 1.7 1.8 1.9 2.0 V max A Most Positive Input Voltage(5) 3.3 3.2 3.1 3.0 V min A Common-Mode Rejection Ratio (CMRR) VCM = VS/2 54 48 47 47 dB min A Non-Inverting Input Impedance 87 || 2 k Ω || pF typ C Inverting Input Resistance (RI) Open-Loop 23 Ω typ C OUTPUT Most Positive Output Voltage No Load 4.1 3.9 3.7 3.5 V min A RL = 100Ω to VS/2 4.0 3.8 3.6 3.4 V min A Least Positive Output Voltage No Load 0.9 1.1 1.3 1.5 V max A RL = 100Ω to VS/2 1.0 1.2 1.4 1.6 V max A Current Output, Sourcing VO = VS/2 90 62 60 58 mA min A Current Output, Sinking VO = VS/2 –70 –45 –40 –38 mA min A Closed-Loop Output Impedance G = +2, f = 100kHz 0.3 Ω typ C DISABLE (Disable Low) Power Down Supply Current (+VS)VDIS = 0 –270 µA typ C Disable Time 150 ns typ C Enable Time 150 ns typ C Off Isolation G = +8, 10MHz 70 dB typ C Output Capacitance in Disable 3 pF typ C Turn On Glitch G = +2, RL = 150Ω, VIN = VS /2 ±160 mV typ C Turn Off Glitch G = +2, RL = 150Ω, VIN = VS /2 ±20 mV typ C Enable Voltage 3.3 3.5 3.6 3.7 V min A Disable Voltage 1.8 1.7 1.6 1.5 V max A Control Pin Input Bias Current (DIS) VDIS = 0 100 µA typ C POWER SUPPLY Specified Single-Supply Operating Voltage 5 V typ C Max Single-Supply Operating Voltage 12 12 12 V max A Max Quiescent Current VS = +5V 10.7 11.3 11.3 11.3 mA max A Min Quiescent Current VS = +5V 10.7 9.0 8.3 8.1 mA min A Power Supply Rejection Ratio (–PSRR) Input Referred 54 51 49 48 dB min A TEMPERATURE RANGE Specification: U, N –40 to +85 °C typ C Thermal Resistance, θ JA Junction-to-Ambient U SO-8 125 °C/W typ C N SOT23-6 150 °C/W typ C NOTES: (1) Test levels: (A) 100% tested at 25 °C. Over temperature limits by characterization and simulation. (B) Limits set by characterization and simulation. (C) Typical value only for information. (2) Junction temperature = ambient for 25 °C guaranteed specifications. (3) Junction temperature = ambient at low temperature limit: junction temperature = ambient +23 °C at high temperature limit for over temperature guaranteed specifications. (4) Current is considered positive out-of-node. VCM is the input common-mode voltage. (5) Tested < 3dB below minimum specified CMRR at ±CMIR limits. |
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