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OPA549 Datasheet(PDF) 4 Page - Texas Instruments |
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OPA549 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 36 page www.ti.com OPA454 SBOS391 – DECEMBER 2007 ELECTRICAL CHARACTERISTICS: VS = ±50V (continued) Boldface limits apply over the specified temperature range, TA = –40°C to +85°C. At TP = +25°C, RL = 4.8kΩ to mid-supply, VCM = VOUT = mid-supply, unless otherwise noted. OPA454 PARAMETER CONDITIONS MIN TYP MAX UNIT FREQUENCY RESPONSE(5) Gain-Bandwidth Product GBW Small-Signal 2.5 MHz Slew Rate SR G = ±1, VO = 80V Step, RL = 3.27kΩ 13 V/ µs Full-Power Bandwidth(6) 35 kHz Settling Time: ±0.1%(7) G = ±1, VO = 20V Step 3 µs Settling Time: ±0.01%(7) G = ±5 or ±10, VO = 80V Step 10 µs VS = +40.6V/–39.6V, G = ±1, Total Harmonic Distortion + Noise(8) THD+N 0.0008 % f = 1kHz, VO = 77.2VPP OUTPUT Voltage Output Swing From Rail(9) VO RL = 49kΩ, AOL ≥ 100dB, IO = 1mA (V–) + 1 (V+) – 1 V RL = 4.8kΩ, AOL ≥ 100dB, IO = 10mA (V–) + 1 (V+) – 2 V RL = 1880Ω, AOL ≥ 80dB, IO = 26mA (V–) + 2 (V+) – 3 V Continuous Current Output, dc Depends on Circuit Conditions See Figure 6 Maximum Peak Current Output, Current IO +120/–150 mA Limit(10) Over Temperature +140/–170 mA Capacitive Load Drive(5) CLOAD 200 pF Open-Loop Output Impedance RO See Figure 5 Ω Output Disabled Output Capacitance 18 pF Feedthrough Capacitance(11) 150 fF STATUS FLAG PIN (Referenced to E/D Com)(12) Status Flag Delay Enable → Disable 6 µs Disable → Enable 4 µs Over-Current Delay(13) 15 µs Over-Current Recovery Delay(13) 10 µs Junction Temperature TJ Alarm (status flag high) +150 °C Return to Normal Operation (status flag low) +130 °C Output Voltage(5) Normal Operation E/D Com + 2 V RL = 100Ω During Thermal Overdrive, (V+) – 2.5 V Alarm (5) See Typical Characteristic curves. (6) See typical characteristic curve, Maximum Output Voltage vs Frequency (Figure 12). (7) See the Applications Information section, Settling Time. (8) Supplies reduced to allow closer swing to rails due to test equipment limitations. See typical characteristic curve Total Harmonic Distortion + Noise vs Temperature (Figure 30 and Figure 31) for additional power levels. (9) See typical characteristic curve, Output Voltage Swing vs Output Current (Figure 11). (10) Measured using low-frequency (<10Hz) ±49V square wave. See typical characteristic curve, Current Limit vs Temperature (Figure 24). (11) Measured using Figure 1. (12) 100k Ω pull-up resistor to (V+). E/D common to (V–). Status flag indicates an over temperature or over-current condition. (13) See Typical Characteristic curves for current limit behavior. 4 Submit Documentation Feedback Copyright © 2007, Texas Instruments Incorporated Product Folder Link(s): OPA454 |
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