Datasheet LTC6401-14 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | 2GHz Low Noise, Low Distortion Differential ADC Driver for DC-140MHz |
| Pages / Page | 16 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Input and Output Refl ection and. … |
| File Format / Size | PDF / 225 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Input and Output Refl ection and. Input and Output Impedance vs
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LTC6401-14
TYPICAL PERFORMANCE CHARACTERISTICS Input and Output Refl ection and Input and Output Impedance vs Reverse Isolation vs Frequency Frequency PSRR and CMRR vs Frequency
0 250 100 90 TEST CIRCUIT B PHASE IMPEDANCE MAGNITUDE –10 225 80 80 ) PSRR Ω 200 60 70 –20 ZIN S11 175 40 PHASE (DEGREES) 60 –30 150 Z CMRR OUT 20 S22 50 –40 125 0 Z 40 IN –50 100 –20 PSRR, CMRR (dB) 30 S PARAMETERS (dB) 75 –40 –60 IMPEDANCE MAGNITUDE ( 20 S12 50 –60 –70 25 –80 10 ZOUT –80 0 –100 0 10 100 1000 3000 10 100 1000 1 10 100 1000 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 640114 G04 640114 G05 640114 G06
Noise Figure and Input Referred Noise Voltage vs Frequency Small Signal Transient Response Large Signal Transient Response
15 5.0 INPUT REFERRED NOISE VOLTAGE (nV/ 1.35 2.5 R R L = 87.5Ω PER OUTPUT L = 87.5Ω PER OUTPUT 14 4.5 TEST CIRCUIT B TEST CIRCUIT B 13 4.0 2.0 1.30 12 3.5 +OUT +OUT 11 3.0 1.5 EN 10 2.5 1.25 9 2.0 1.0 NOISE FIGURE (dB) 8 1.5 NOISE FIGURE OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V) –OUT 1.20 –OUT 7 1.0 0.5 √ 6 Hz) 0.5 5 0 1.15 0 10 100 1000 0 2 4 6 8 10 0 3 6 9 12 15 TIME (ns) TIME (ns) FREQUENCY (MHz) 640114 G08 640114 G09 640114 G07
1% Settling Time for 2V Overdrive Recovery Response Output Step Harmonic Distortion vs Frequency
5 5.0 5 –40 RL = 87.5Ω PER OUTPUT RL = 87.5Ω PER OUTPUT HD2 NO RL 4 TEST CIRCUIT B 4.5 4 TEST CIRCUIT B HD2 200Ω RL –50 HD3 NO RL 3 4.0 3 HD3 200Ω R –IN OUTPUT VOLTAGE (V) L 2 3.5 2 –60 1 3.0 1 +IN –70 0 2.5 0 –1 –80 –OUT 2.0 –1 SETTLING (%) INPUT VOLTAGE (V) –2 1.5 –2 –90 –3 1.0 –3 HARMONIC DISTORTION (dBc) –100 –4 +OUT 0.5 –4 DIFFERENTIAL INPUT VOUT = 2VP-P –5 0 –5 –110 0 25 50 75 100 125 150 175 200 0 1 2 3 4 5 0 20 40 60 80 100 120 140 160 180 200 TIME (ns) TIME (ns) FREQUENCY (MHz) 640114 G10 640114 G11 640114 G12 640114f 6
TYPICAL PERFORMANCE CHARACTERISTICS Input and Output Refl ection and Input and Output Impedance vs Reverse Isolation vs Frequency Frequency PSRR and CMRR vs Frequency
0 250 100 90 TEST CIRCUIT B PHASE IMPEDANCE MAGNITUDE –10 225 80 80 ) PSRR Ω 200 60 70 –20 ZIN S11 175 40 PHASE (DEGREES) 60 –30 150 Z CMRR OUT 20 S22 50 –40 125 0 Z 40 IN –50 100 –20 PSRR, CMRR (dB) 30 S PARAMETERS (dB) 75 –40 –60 IMPEDANCE MAGNITUDE ( 20 S12 50 –60 –70 25 –80 10 ZOUT –80 0 –100 0 10 100 1000 3000 10 100 1000 1 10 100 1000 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 640114 G04 640114 G05 640114 G06
Noise Figure and Input Referred Noise Voltage vs Frequency Small Signal Transient Response Large Signal Transient Response
15 5.0 INPUT REFERRED NOISE VOLTAGE (nV/ 1.35 2.5 R R L = 87.5Ω PER OUTPUT L = 87.5Ω PER OUTPUT 14 4.5 TEST CIRCUIT B TEST CIRCUIT B 13 4.0 2.0 1.30 12 3.5 +OUT +OUT 11 3.0 1.5 EN 10 2.5 1.25 9 2.0 1.0 NOISE FIGURE (dB) 8 1.5 NOISE FIGURE OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V) –OUT 1.20 –OUT 7 1.0 0.5 √ 6 Hz) 0.5 5 0 1.15 0 10 100 1000 0 2 4 6 8 10 0 3 6 9 12 15 TIME (ns) TIME (ns) FREQUENCY (MHz) 640114 G08 640114 G09 640114 G07
1% Settling Time for 2V Overdrive Recovery Response Output Step Harmonic Distortion vs Frequency
5 5.0 5 –40 RL = 87.5Ω PER OUTPUT RL = 87.5Ω PER OUTPUT HD2 NO RL 4 TEST CIRCUIT B 4.5 4 TEST CIRCUIT B HD2 200Ω RL –50 HD3 NO RL 3 4.0 3 HD3 200Ω R –IN OUTPUT VOLTAGE (V) L 2 3.5 2 –60 1 3.0 1 +IN –70 0 2.5 0 –1 –80 –OUT 2.0 –1 SETTLING (%) INPUT VOLTAGE (V) –2 1.5 –2 –90 –3 1.0 –3 HARMONIC DISTORTION (dBc) –100 –4 +OUT 0.5 –4 DIFFERENTIAL INPUT VOUT = 2VP-P –5 0 –5 –110 0 25 50 75 100 125 150 175 200 0 1 2 3 4 5 0 20 40 60 80 100 120 140 160 180 200 TIME (ns) TIME (ns) FREQUENCY (MHz) 640114 G10 640114 G11 640114 G12 640114f 6
