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OPA688P Datasheet(PDF) 2 Page - Texas Instruments |
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OPA688P Datasheet(HTML) 2 Page - Texas Instruments |
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2 / 18 page  OPA688 2 SBOS082A AC PERFORMANCE (see Figure 1) Small Signal Bandwidth VO < 0.2Vp-p G = +1, RF = 25Ω 530 ——— MHz typ C G = +2 260 150 140 135 MHz min B G = –1 230 ——— MHz typ C Gain-Bandwidth Product (G ≥ +5) VO < 0.2Vp-p 290 175 170 160 MHz min B Gain Peaking G = +1, RF = 25Ω, VO < 0.2Vp-p 11 —— — dB typ C 0.1dB Gain Flatness Bandwidth VO < 0.2Vp-p 50 —— — MHz typ C Large Signal Bandwidth VO = 4Vp-p, VH = –VL = 2.5V 145 100 95 90 MHz min B Step Response: Slew Rate 4V Step, VH = –VL = 2.5V 1000 800 770 650 V/ µs min B Rise/Fall Time 0.2V Step 1.2 2.6 2.7 3 ns max B Settling Time: 0.05% 2V Step 7 ——— ns typ C Spurious Free Dynamic Range f = 5MHz, VO = 2Vp-p 66 62 58 53 dB min B Differential Gain NTSC, PAL, RL = 500Ω 0.02 ——— % typ C Differential Phase NTSC, PAL, RL = 500Ω 0.01 ——— degrees typ C Input Noise: Voltage Noise Density f ≥ 1MHz 6.3 7.2 7.8 8 nV/ √Hz max B Current Noise Density f ≥ 1MHz 2.0 2.5 2.9 3.6 pA/ √Hz max B DC PERFORMANCE (VCM = 0) Open Loop Voltage Gain (AOL)VO = ±0.5V 52 46 44 43 dB min A Input Offset Voltage ±2 ±6 ±7 ±9 mV max A Average Drift —— ±14 ±14 µV/°C max B Input Bias Current(3) +6 ±12 ±13 ±20 µA max A Average Drift —— –60 –90 nA/ °C max B Input Offset Current ±0.3 ±2 ±3 ±4 µA max A Average Drift —— ±10 ±10 nA/ °C max B INPUT Common-Mode Rejection Input Referred, VCM = ±0.5V 57 50 49 47 dB min A Common-Mode Input Range(4) ±3.3 ±3.2 ±3.2 ±3.1 V min A Input Impedance Differential-Mode 0.4 || 1 ——— M Ω || pF typ C Common-Mode 1 || 1 ——— M Ω || pF typ C OUTPUT VH = –VL = 4.3V Output Voltage Range RL ≥ 500Ω±4.1 ±3.9 ±3.9 ±3.8 V min A Current Output, Sourcing VO = 0 105 90 85 80 mA min A Sinking VO = 0 –85 –70 –65 –60 mA min A Closed-Loop Output Impedance G = +1, RF = 25Ω, f < 100kHz 0.2 ——— Ω typ C POWER SUPPLY Operating Voltage, Specified ±5 ——— V typ C Maximum — ±6 ±6 ±6 V max A Quiescent Current, Maximum 15.8 17 19 20 mA max A Minimum 15.8 14 12.8 11 mA min A Power Supply Rejection Ratio +VS = 4.5V to 5.5V +PSR (Input Referred) 60 55 54 52 dB min A OUTPUT VOLTAGE LIMITERS Pins 5 and 8 Default Limit Voltage Limiter Pins Open ±3.3 ±3.0 ±3.0 ±2.9 V min A Minimum Limiter Separation (VH – VL) 200 200 200 200 mV min B Maximum Limit Voltage — ±4.3 ±4.3 ±4.3 V max B Limiter Input Bias Current Magnitude (5) VO = 0 Maximum 54 65 68 70 µA max A Minimum 54 35 34 31 µA min A Average Drift —— 40 45 nA/ °C max B Limiter Input Impedance 2 || 1 ——— M Ω || pF typ C Limiter Feedthrough(6) f = 5MHz –60 ——— dB typ C DC Performance in Limit Mode VIN = ±2V Limiter Offset (VO – VH) or (VO – VL) ±15 ±35 ±40 ±40 mV max A Op Amp Input Bias Current Shift(3) 3 ——— µA typ C AC Performance in Limit Mode Limiter Small Signal Bandwidth VIN = ±2V, VO < 0.02Vp-p 450 ——— MHz typ C Limiter Slew Rate(7) 100 ——— V/ µs typ C Limited Step Response 2x Overdrive Overshoot VIN = 0 to ±2V Step 250 ——— mV typ C Recovery Time VIN = ±2V to 0V Step 2.4 2.8 3.0 3.2 ns max B Linearity Guardband(8) f = 5MHz, VO = 2Vp-p 30 ——— mV typ C SPECIFICATIONS: VS = ±5V G = +2, RL = 500Ω, RF = 402Ω, VH = –VL = 2V (Figure 1 for AC performance only), unless otherwise noted. OPA688U TYP GUARANTEED(1) 0 °C to –40 °C to MIN/ TEST PARAMETER CONDITIONS +25 °C +25 °C +70 °C +85 °C UNITS MAX LEVEL(2) |
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