Datasheet LTC6255, LTC6256, LTC6257 (Analog Devices) - 10

制造商Analog Devices
描述6.5MHz, 65µA Power Efficient Rail-to-Rail I/O Op Amps
页数 / 页26 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS. Capacitive Load Handling. Overshoot …
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TYPICAL PERFORMANCE CHARACTERISTICS. Capacitive Load Handling. Overshoot vs Capacitive Load. Large-Signal Response

TYPICAL PERFORMANCE CHARACTERISTICS Capacitive Load Handling Overshoot vs Capacitive Load Large-Signal Response

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LTC6255/LTC6256/LTC6257
TYPICAL PERFORMANCE CHARACTERISTICS Capacitive Load Handling Overshoot vs Capacitive Load Large-Signal Response Large-Signal Response
16 2.5 0.9 VS = ±2.5V VCM = 0V 2.0 14 AV = 1 0.6 1.5 VS = ±2.5V 12 VIN = ±2V A 1.0 V = 1 RLOAD = 10kΩ 0.3 VS = ±0.9V 10 0.5 AV = 1 RLOAD = 10kΩ 8 0 0 TAGE (V) TAGE (V) 6 VOL –0.5 VOL OVERSHOOT (%) –0.3 –10 4 CLOAD = 10pF CLOAD = 10pF –1.5 CLOAD = 100pF –0.6 CLOAD = 100pF 2 –2.0 CLOAD = 1nF CLOAD = 1nF CLOAD = 10nF CLOAD = 10nF 0 –2.5 –0.9 0.01 0.1 1 10 100 0 20 40 60 80 100 0 20 40 60 80 100 CLOAD (nF) TIME (ms) TIME (µs) 625567 G28 625567 G29 625567 G30
Small-Signal Response Large-Signal Response Small-Signal Response
0.05 2.5 0.05 VS = ±0.9V VS = ±2.5V 0.04 AV = 1 2.0 0.04 AV = 1 R C 0.03 LOAD = 10kΩ 1.5 LOAD = 100nF V 0.03 S = ±2.5V 0.02 1.0 AV = 1 0.02 CLOAD = 100nF 0.01 0.5 0.01 0 0 0 TAGE (V) TAGE (V) TAGE (V) VOL –0.01 VOL –0.5 VOL –0.01 –0.02 –1.0 –0.02 CLOAD = 10pF –0.03 CLOAD = 100pF –1.5 –0.03 –0.04 CLOAD = 1nF C –2.0 –0.04 LOAD = 10nF –0.05 –2.5 –0.05 0 20 40 60 80 100 0 20 40 60 80 100 0 200 400 600 800 1000 TIME (µs) TIME (µs) TIME (µs) 625567 G31 625567 G32 625567 G33
Supply Current vs SHDN Pin Supply Current vs SHDN Pin Output Impedance vs Frequency Voltage Voltage
1000 80 90 VS = ±2.5V VS = 1.8V, 0V VS = 5V, 0V VCM = 0V 70 VCM = 0.4V 125°C 80 VCM = 0.4V –40°C 100 60 70 –40°C 25°C A 60 V = 10 50 10 25°C 125°C 50 40 40 1 Y CURRENT (µA) Y CURRENT (µA) 30 30 AV = 1 SUPPL OUTPUT IMPEDANCE (Ω) 20 SUPPL 20 0.1 10 10 0.01 0 0 0.01 0.1 1 10 100 1k 10k 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 FREQUENCY (Hz) VSHDN (V) VSHDN (V) 625567 G34 625567 G35 625567 G36 Rev E 10 For more information www.analog.com Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information 5V Electrical Characteristics 1.8V Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Schematic Operation Applications Information Typical Applications Package Description Typical Application Related Parts