Datasheet LT6350 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | Low Noise Single-Ended to Differential Converter/ADC Driver |
| 页数 / 页 | 28 / 9 — Typical perForMance characTerisTics |
| 文件格式/大小 | PDF / 891 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics
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LT6350
Typical perForMance characTerisTics TA = 25°C, V+ = 5V, V– = 0V, V+IN1 = V2 = Mid-Supply, VSHDN = V+, RF = SHORT, RG = OPEN, RL = OPEN. See Figure 1. Differential Frequency Response Differential Frequency Response Closed-Loop Small-Signal vs Gain vs Temperature Frequency Response, Op Amp 1
40 10 30 VS = 5V VS = 5V VS = 5V RL = 2k RL = 2k RL = 2k 30 RF + RG = 2k FOR AVDIFF > 2 R 5 F + RG = 2k for AV1 > 1 AV1 = 10 20 20 AV1 = 5 0 10 10 AV1 = 2 –5 0 AV1 = 1 DIFFERENTIAL GAIN (dB) A GAIN MAGNITUDE (dB) VDIFF = 20 DIFFERENTIAL GAIN (dB) 0 –10 AVDIFF = 10 –10 TA = 85°C AVDIFF = 4 TA = 25°C AVDIFF = 2 TA = –40°C –20 –15 –10 0.1 1 10 100 1000 0.1 1 10 100 1000 0.1 1 10 100 1000 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 6350 G37 6350 G38 6350 G19
Closed-Loop Small-Signal Closed-Loop Magnitude and Frequency Response, Op Amp 2 Group Delay Response, Op Amp 2 Output Balance vs Frequency
5 500 5 8 60 VS = 5V VS = 5V MAGNITUDE 0 400 OP AMP MAGNITUDE 50 OP AMP 0 7 –5 300 2 40 GROUP DELAY GROUP DELA 2 PHASE (DEG) –10 PHASE 200 –5 6 30 –15 100 Y (ns) 20 –10 5 OUTPUT BALANCE (dB) –20 2 FREQUENCY RESPONSE MAGNITUDE (dB) 0 2 FREQUENCY RESPONSE MAGNITUDE (dB) 10 –25 –100 –15 4 0 OP AMP 0.1 1 10 100 1000 OP AMP 0.1 1 10 100 0.1 1 10 100 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 6350 G20 6350 G40 6350 G41
Differential Slew Rate Small-Signal Step Response Large-Signal Step Response vs Temperature
OUT2, CL = 56pF EACH OUTPUT TO GND 5 80 VS = 5V /µS) OUT1 TIED TO –IN1 OUT2 70 50Ω SOURCE IMPEDANCE 4 TE (V RL = 1k OUT1, NO LOAD 60 3 V+ = 5V, V– = 0V OUT1 RISING /DIV TAGE (V) V+IN2 = 2.5V (OUT2 FALLING) NO LOAD 50 20mV 2 OUT2, NO LOAD 40 OUTPUT VOL OUT2 RISING 1 (OUT1 FALLING) OUT1 30 OUT1, CL = 56pF EACH OUTPUT TO GND DIFFERENTIAL OUTPUT SLEW RA 0 20 VS = 5V 200ns/DIV 200ns/DIV –60 –40 –20 0 20 40 60 80 100 120 140 TEMPERATURE (°C) 6350 G33 6350 G34 3586 G35 6350fc For more information www.linear.com/LT6350 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration order information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram DC Test Circuit Operation Applications Information Typical Application Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, V+ = 5V, V– = 0V, V+IN1 = V2 = Mid-Supply, VSHDN = V+, RF = SHORT, RG = OPEN, RL = OPEN. See Figure 1. Differential Frequency Response Differential Frequency Response Closed-Loop Small-Signal vs Gain vs Temperature Frequency Response, Op Amp 1
40 10 30 VS = 5V VS = 5V VS = 5V RL = 2k RL = 2k RL = 2k 30 RF + RG = 2k FOR AVDIFF > 2 R 5 F + RG = 2k for AV1 > 1 AV1 = 10 20 20 AV1 = 5 0 10 10 AV1 = 2 –5 0 AV1 = 1 DIFFERENTIAL GAIN (dB) A GAIN MAGNITUDE (dB) VDIFF = 20 DIFFERENTIAL GAIN (dB) 0 –10 AVDIFF = 10 –10 TA = 85°C AVDIFF = 4 TA = 25°C AVDIFF = 2 TA = –40°C –20 –15 –10 0.1 1 10 100 1000 0.1 1 10 100 1000 0.1 1 10 100 1000 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 6350 G37 6350 G38 6350 G19
Closed-Loop Small-Signal Closed-Loop Magnitude and Frequency Response, Op Amp 2 Group Delay Response, Op Amp 2 Output Balance vs Frequency
5 500 5 8 60 VS = 5V VS = 5V MAGNITUDE 0 400 OP AMP MAGNITUDE 50 OP AMP 0 7 –5 300 2 40 GROUP DELAY GROUP DELA 2 PHASE (DEG) –10 PHASE 200 –5 6 30 –15 100 Y (ns) 20 –10 5 OUTPUT BALANCE (dB) –20 2 FREQUENCY RESPONSE MAGNITUDE (dB) 0 2 FREQUENCY RESPONSE MAGNITUDE (dB) 10 –25 –100 –15 4 0 OP AMP 0.1 1 10 100 1000 OP AMP 0.1 1 10 100 0.1 1 10 100 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 6350 G20 6350 G40 6350 G41
Differential Slew Rate Small-Signal Step Response Large-Signal Step Response vs Temperature
OUT2, CL = 56pF EACH OUTPUT TO GND 5 80 VS = 5V /µS) OUT1 TIED TO –IN1 OUT2 70 50Ω SOURCE IMPEDANCE 4 TE (V RL = 1k OUT1, NO LOAD 60 3 V+ = 5V, V– = 0V OUT1 RISING /DIV TAGE (V) V+IN2 = 2.5V (OUT2 FALLING) NO LOAD 50 20mV 2 OUT2, NO LOAD 40 OUTPUT VOL OUT2 RISING 1 (OUT1 FALLING) OUT1 30 OUT1, CL = 56pF EACH OUTPUT TO GND DIFFERENTIAL OUTPUT SLEW RA 0 20 VS = 5V 200ns/DIV 200ns/DIV –60 –40 –20 0 20 40 60 80 100 120 140 TEMPERATURE (°C) 6350 G33 6350 G34 3586 G35 6350fc For more information www.linear.com/LT6350 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration order information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram DC Test Circuit Operation Applications Information Typical Application Package Description Revision History Typical Application Related Parts