Datasheet LTC6400-26 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | 1.9GHz Low Noise, Low Distortion Differential ADC Driver for DC-300MHz |
| Pages / Page | 16 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. Noise Figure and Input Referred … |
| File Format / Size | PDF / 231 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Noise Figure and Input Referred Noise Voltage vs Frequency
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LTC6400-26
TYPICAL PERFORMANCE CHARACTERISTICS Noise Figure and Input Referred Noise Voltage vs Frequency Small Signal Transient Response
10 2.5 1.35 RL = 87.5W PER OUTPUT INPUT REFERRED NOISE VOL TEST CIRCUIT B 9 2.0 –OUT 1.30 EN 8 1.5 (nV TAGE (V) /√Hz) 1.25 7 1.0 NOISE FIGURE (dB) OUTPUT VOL +OUT NOISE FIGURE TAGE 1.20 6 0.5 5 0 1.15 10 100 1000 0 2 4 6 8 10 FREQUENCY (MHz) TIME (ns) 640026 G07 640026 G08
Large Signal Transient Response Overdriven Transient Response
2.5 2.5 RL = 87.5Ω PER OUTPUT RL = 87.5Ω PER OUTPUT TEST CIRCUIT B +OUT 2.0 2.0 –OUT TAGE (V) 1.5 TAGE (V) 1.5 1.0 1.0 +OUT OUTPUT VOL OUTPUT VOL 0.5 0.5 –OUT TEST CIRCUIT B 0 0 0 4 8 12 16 20 0 50 100 150 200 250 TIME (ns) TIME (ns) 640026 G09 640026 G10
1% Settling Time for 2V Output Step Harmonic Distortion vs Frequency
5 –40 RL = 87.5Ω PER OUTPUT DIFFERENTIAL INPUT 4 TEST CIRCUIT B VOUT = 2VP-P –50 3 2 –60 1 TION (dBc) –70 0 TLING (%) –80 –1 SET –2 –90 HD2 NO RL –3 HARMONIC DISTOR HD2 R –100 L = 200Ω –4 HD3 NO RL HD3 RL = 200Ω –5 –110 0 1 2 3 4 5 0 50 100 150 200 250 300 TIME (ns) FREQUENCY (MHz) 640026 G11 640026 G12 640026fa 7
TYPICAL PERFORMANCE CHARACTERISTICS Noise Figure and Input Referred Noise Voltage vs Frequency Small Signal Transient Response
10 2.5 1.35 RL = 87.5W PER OUTPUT INPUT REFERRED NOISE VOL TEST CIRCUIT B 9 2.0 –OUT 1.30 EN 8 1.5 (nV TAGE (V) /√Hz) 1.25 7 1.0 NOISE FIGURE (dB) OUTPUT VOL +OUT NOISE FIGURE TAGE 1.20 6 0.5 5 0 1.15 10 100 1000 0 2 4 6 8 10 FREQUENCY (MHz) TIME (ns) 640026 G07 640026 G08
Large Signal Transient Response Overdriven Transient Response
2.5 2.5 RL = 87.5Ω PER OUTPUT RL = 87.5Ω PER OUTPUT TEST CIRCUIT B +OUT 2.0 2.0 –OUT TAGE (V) 1.5 TAGE (V) 1.5 1.0 1.0 +OUT OUTPUT VOL OUTPUT VOL 0.5 0.5 –OUT TEST CIRCUIT B 0 0 0 4 8 12 16 20 0 50 100 150 200 250 TIME (ns) TIME (ns) 640026 G09 640026 G10
1% Settling Time for 2V Output Step Harmonic Distortion vs Frequency
5 –40 RL = 87.5Ω PER OUTPUT DIFFERENTIAL INPUT 4 TEST CIRCUIT B VOUT = 2VP-P –50 3 2 –60 1 TION (dBc) –70 0 TLING (%) –80 –1 SET –2 –90 HD2 NO RL –3 HARMONIC DISTOR HD2 R –100 L = 200Ω –4 HD3 NO RL HD3 RL = 200Ω –5 –110 0 1 2 3 4 5 0 50 100 150 200 250 300 TIME (ns) FREQUENCY (MHz) 640026 G11 640026 G12 640026fa 7
