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OPA699 Datasheet(PDF) 6 Page - Texas Instruments |
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OPA699 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 31 page OPA699 6 SBOS261D www.ti.com OUTPUT VOLTAGE LIMITERS Maximum Limited Voltage +3.9 V typ C Minimum Limited Voltage +1.1 V typ C Default Limiter Voltage Limiter Pins Open VCM ±1.1 VCM ±0.9 VCM ±0.8 VCM ±0.7 V min B Minimum Limiter Separation (VH – VL) 400 400 400 400 mV min B Maximum Limit Voltage — VCM ±1.8 VCM ±1.8 VCM ±1.8 V max B Limiter Input Bias Current Magnitude(6) VO = 2.5V –15 µA typ C Limiter Input Impedance 3.4 || 1 M Ω || pF typ C Limiter Isolation(7) f = 5MHz –60 dB typ C DC Performance in Limit Mode VIN = VCM ±0.4V Limiter Voltage Accuracy (VO – VH) or (VO – VL) ±15 ±30 ±35 ±40 mV max A Op Amp Bias Current Shift(4) Linear ↔ Limited Operation 5 µA typ C AC Performance in Limit Mode Limiter Small-Signal Bandwidth VIN = ±0.4V, VO < 0.02VPP 450 MHz typ C Limiter Slew Rate(8) 100 V/ µs typ C Limited Step Response Overshoot VIN = VCM to VCM ±0.4V Step 55 mV typ C Recovery Time VIN = VCM ±0.4V to VCM Step 3 ns typ C Linearity Guardband(9) f = 5MHz, VO = 2VPP 30 mV typ C THERMAL CHARACTERISTICS Temperature Range Specification, I –40 to +85 °C typ C Thermal Resistance Junction-to-Ambient D SO-8 125 °C/W typ C NOTES: (1) Junction temperature = ambient temperature for low temperature limit and +25 °C Test Level A specifications. Junction temperature = ambient temperature +23 °C at high temperature limit Test Level A specifications. (2) Junction temperature = ambient at low temperature limit; junction temperature = ambient +1 °C at high temperature limit for over-temperature tested specifications. (3) 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. (4) Current is considered positive out of node. (5) CMIR tested as < 3dB degradation from minimum CMRR at specified limits. (6) IVH (VH bias current) is negative, and IVL (VL bias current) is positive, under these conditions. See Note 3 and Figures 2 and 12. (7) Limiter feedthrough is the ratio of the output magnitude to the sinewave added to VH (or VL) when VIN = 0. (8) VH slew rate conditions are: VIN = VCM +0.4V, G = +6, VL = VCM –1.2V, VH = step between VCM +1.2V and VCM. VL slew rate conditions are similar. (9) Linearity Guardband is defined for an output sinusoid (f = 5MHz, VO = VCM ±1VPP) 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 8). ELECTRICAL CHARACTERISTICS: VS = +5V (Cont.) Boldface limits are tested at +25 °C. G = +6, RF = 750Ω, RL = 500Ω tied to VCM = +2.5V, VL = VCM –1.2V, and VH = VCM +1.2V, (see Figure 2 for AC performance only), unless otherwise noted. OPA699ID 0 °C to –40 °C to MIN/ TEST PARAMETER CONDITIONS +25 °C +25 °C(1) 70 °C(2) +85 °C(2) UNITS MAX LEVEL(3) TYP MIN/MAX OVER TEMPERATURE |
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