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OPA688P Datasheet(PDF) 3 Page - Texas Instruments |
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OPA688P Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 18 page  OPA688 3 SBOS082A THERMAL CHARACTERISTICS Temperature Range Specification: U –40 to +85 ——— °C typ C Thermal Resistance Junction-to-Ambient U 8-Pin SO-8 125 ——— °C/W typ C NOTES: (1) Junction Temperature = Ambient Temperature for low temperature limit and 25 °C guaranteed specifications. Junction Temperature = Ambient Temperature + 23 °C at high temperature limit guaranteed specifications. (2) 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 for information only. (3) Current is considered positive out of node. (4) CMIR tested as < 3dB degradation from minimum CMRR at specified limits. (5) IVH (VH bias current) is positive, and IVL (VL bias current) is negative, under these conditions. See Note 3, Figure 1 and Figure 8 . (6) Limiter feedthrough is the ratio of the output magnitude to the sinewave added to VH (or VL) when VIN = 0. (7) VH slew rate conditions are: VIN = +2V, G = +2, VL = –2V, VH = step between 2V and 0V. VL slew rate conditions are similar. (8) Linearity Guardband is defined for an output sinusoid (f = 5MHz, VO = 0VDC ±1Vp-p) centered between the limiter levels (VH and VL). It is the difference between the limiter level and the peak output voltage where SFDR decreases by 3dB (see Figure 9). SPECIFICATIONS: VS = ±5V (Cont.) 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) AC PERFORMANCE (see Figure 2) Small Signal Bandwidth VO < 0.2Vp-p G = +1, RF = 25Ω 515 ——— MHz typ C G = +2 240 110 105 100 MHz min B G = –1 190 ——— MHz typ C Gain-Bandwidth Product (G ≥ +5) VO < 0.2Vp-p 275 130 125 120 MHz min B Gain Peaking G = +1, RF = 25Ω, VO < 0.2Vp-p 10 ——— dB typ C 0.1dB Gain Flatness Bandwidth VO < 0.2Vp-p 50 ——— MHz typ C Large Signal Bandwidth VO = 2Vp-p 240 110 105 100 MHz min B Step Response: Slew Rate 2V Step 1000 800 770 650 V/ µs min B Rise/Fall Time 0.2V Step 2.3 2.6 2.7 3 ns max B Settling Time: 0.05% 1V Step 12 ——— ns typ C Spurious Free Dynamic Range f = 5MHz, VO = 2Vp-p 64 60 56 51 dB min B 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 = 2.5V 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 55 48 47 45 dB min A Common-Mode Input Range(4) VCM ±0.8 VCM ±0.7 VCM ±0.7 VCM ±0.6 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 = VCM +1.8V, VL = = VCM –1.8V Output Voltage Range RL ≥ 500Ω VCM ±1.6 VCM ±1.4 VCM ±1.4 VCM ±1.3 V min A Current Output, Sourcing VO = 2.5V 70 60 55 50 mA min A Sinking VO = 2.5V –60 –50 –45 –40 mA min A Closed-Loop Output Impedance G = +1, RF = 25Ω, f < 100kHz 0.2 ——— Ω typ C POWER SUPPLY Single Supply Operation Operating Voltage, Specified +5 ——— V typ C Maximum — +12 +12 +12 V max A Quiescent Current, Maximum 13 15 15 16 mA max A Minimum 13 11 10 9 mA min A Power Supply Rejection Ratio VS = 4.5V to 5.5V +PSR (Input Referred) 60 ——— dB typ C SPECIFICATIONS: VS = +5V G = +2, RL = 500Ω tied to VCM = 2.5V, RF = 402Ω, VL = VCM –1.2V, VH = VCM +1.2V (Figure 2 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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