Datasheet LTC6268, LTC6269 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | Dual 500MHz Ultra-Low Bias Current FET Input Op Amp |
| 页数 / 页 | 24 / 4 — 5.0V ELECTRICAL CHARACTERISTICS The. denotes specifications that apply … |
| 文件格式/大小 | PDF / 503 Kb |
| 文件语言 | 英语 |
5.0V ELECTRICAL CHARACTERISTICS The. denotes specifications that apply over the full operating
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LTC6268/LTC6269
5.0V ELECTRICAL CHARACTERISTICS The
l
denotes specifications that apply over the full operating temp erature range, otherwise specifications are at TA = 25°C, VSUPPLY = 5.0V (V+ = 5V, V– = 0V, VCM = mid-supply), RL = 1kΩ, CL = 10pF, VSHDN is unconnected. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
PSRR Power Supply Rejection Ratio VCM = 1.0V, VSUPPLY Ranges from 3.1V to 5.25V 78 95 dB l 75 dB Supply Voltage Range l 3.1 5.25 AV Open Loop Voltage Gain VOUT = 0.5V to 4.5V RLOAD = 10k 125 250 V/mV l 40 V/mV RLOAD = 100 10 21 V/mV l 2 V/mV VOL Output Swing Low (Input Overdrive 30mV) ISINK = 10mA 80 140 mV Measured from V– l 200 mV ISINK = 25mA 130 200 mV l 260 mV VOH Output Swing High (Input Overdrive 30mV) ISOURCE = 10mA 70 140 mV Measured from V+ l 200 mV ISOURCE = 25mA 160 270 mV l 370 mV ISC Output Short Circuit Current (Note 9) 60 90 mA l 40 mA IS Supply Current Per Amplifier 15 16.5 18 mA l 9 23 mA Supply Current in Shutdown 0.39 0.85 mA (Per Amplifier) l 1.2 mA ISHDN Shutdown Pin Current VSHDN = 0.75V l –12 2 12 µA VSHDN =1.50V l –12 2 12 µA VIL SHDN Input Low Voltage Disable l 0.75 V VIH SHDN Input High Voltage Enable. If SHDN is Unconnected, Amp is Enabled l 1.5 V tON Turn On Time, Delay from SHDN Toggle to SHDN Toggle from 0V to 2V, AV = 1 580 ns Output Reaching 90% of Target tOFF Turn Off Time, Delay from SHDN Toggle to SHDN Toggle from 2V to 0V, AV = 1 480 ns Output High Z BW –3dB Closed Loop Bandwidth AV = 1 350 MHz GBW Gain-Bandwidth Product f = 10MHz 400 500 MHz tS Settling Time, 1V to 4V, Unity Gain 0.1% 17 ns SR+ Slew Rate+ AV = 6 (RF = 499, RG = 100) VOUT = 0.5V to 4.5V, Measured 20% to 80%, 300 400 V/µs CLOAD = 10pF l 200 V/µs SR– Slew Rate– AV = 6 (RF = 499, RG = 100) VOUT = 4.5V to 0.5V, Measured 80% to 20%, 180 260 V/µs CLOAD = 10pF l 130 V/µs FPBW Full Power Bandwidth (Note 7) 4VP-P 21 MHz HD Harmonic Distortion(HD2/HD3) A = 1, 10MHz. 2VP-P, VCM = 1.75V, RL = 1k –81/–90 dB THD+N Total Harmonic Distortion and Noise A = 1, 10MHz. 2VP-P, VCM = 1.75V, RL = 1k 0.01 % –79.6 dB ILEAK Output Leakage Current in Shutdown VSHDN = 0V, VOUT = 0V 400 nA VSHDN = 0V, VOUT = 5V 400 nA 62689f 4 For more information www.linear.com/LTC6268
5.0V ELECTRICAL CHARACTERISTICS The
l
denotes specifications that apply over the full operating temp erature range, otherwise specifications are at TA = 25°C, VSUPPLY = 5.0V (V+ = 5V, V– = 0V, VCM = mid-supply), RL = 1kΩ, CL = 10pF, VSHDN is unconnected. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
PSRR Power Supply Rejection Ratio VCM = 1.0V, VSUPPLY Ranges from 3.1V to 5.25V 78 95 dB l 75 dB Supply Voltage Range l 3.1 5.25 AV Open Loop Voltage Gain VOUT = 0.5V to 4.5V RLOAD = 10k 125 250 V/mV l 40 V/mV RLOAD = 100 10 21 V/mV l 2 V/mV VOL Output Swing Low (Input Overdrive 30mV) ISINK = 10mA 80 140 mV Measured from V– l 200 mV ISINK = 25mA 130 200 mV l 260 mV VOH Output Swing High (Input Overdrive 30mV) ISOURCE = 10mA 70 140 mV Measured from V+ l 200 mV ISOURCE = 25mA 160 270 mV l 370 mV ISC Output Short Circuit Current (Note 9) 60 90 mA l 40 mA IS Supply Current Per Amplifier 15 16.5 18 mA l 9 23 mA Supply Current in Shutdown 0.39 0.85 mA (Per Amplifier) l 1.2 mA ISHDN Shutdown Pin Current VSHDN = 0.75V l –12 2 12 µA VSHDN =1.50V l –12 2 12 µA VIL SHDN Input Low Voltage Disable l 0.75 V VIH SHDN Input High Voltage Enable. If SHDN is Unconnected, Amp is Enabled l 1.5 V tON Turn On Time, Delay from SHDN Toggle to SHDN Toggle from 0V to 2V, AV = 1 580 ns Output Reaching 90% of Target tOFF Turn Off Time, Delay from SHDN Toggle to SHDN Toggle from 2V to 0V, AV = 1 480 ns Output High Z BW –3dB Closed Loop Bandwidth AV = 1 350 MHz GBW Gain-Bandwidth Product f = 10MHz 400 500 MHz tS Settling Time, 1V to 4V, Unity Gain 0.1% 17 ns SR+ Slew Rate+ AV = 6 (RF = 499, RG = 100) VOUT = 0.5V to 4.5V, Measured 20% to 80%, 300 400 V/µs CLOAD = 10pF l 200 V/µs SR– Slew Rate– AV = 6 (RF = 499, RG = 100) VOUT = 4.5V to 0.5V, Measured 80% to 20%, 180 260 V/µs CLOAD = 10pF l 130 V/µs FPBW Full Power Bandwidth (Note 7) 4VP-P 21 MHz HD Harmonic Distortion(HD2/HD3) A = 1, 10MHz. 2VP-P, VCM = 1.75V, RL = 1k –81/–90 dB THD+N Total Harmonic Distortion and Noise A = 1, 10MHz. 2VP-P, VCM = 1.75V, RL = 1k 0.01 % –79.6 dB ILEAK Output Leakage Current in Shutdown VSHDN = 0V, VOUT = 0V 400 nA VSHDN = 0V, VOUT = 5V 400 nA 62689f 4 For more information www.linear.com/LTC6268