Datasheet LT1227 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | 140MHz Video Current Feedback Amplifier |
| Seiten / Seite | 12 / 6 — TYPICAL PERFOR A CE CH. ARA TERISTICS. Settling Time to 10mV. Settling … |
| Dateiformat / Größe | PDF / 255 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFOR A CE CH. ARA TERISTICS. Settling Time to 10mV. Settling Time to 1mV. vs Output Step
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LT1227
W U TYPICAL PERFOR A CE CH C ARA TERISTICS Settling Time to 10mV Settling Time to 1mV vs Output Step vs Output Step Supply Current vs Supply Voltage
10 14 10 VS = ±15V VS = ±15V 13 8 8 RF = RG = 1k RF = RG = 1k 6 12 6 –55°C 4 11 4 NONINVERTING 2 10 2 INVERTING 25°C NONINVERTING 9 0 0 INVERTING –2 8 –2 125°C OUTPUT STEP (V) OUTPUT STEP (V) 7 –4 –4 SUPPLY CURRENT (mA) 175°C –6 6 –6 5 –8 –8 –10 4 –10 0 20 40 60 80 100 0 4 8 12 16 20 0 2 4 6 8 10 12 14 16 18 SUPPLY VOLTAGE ( SETTLING TIME (ns) SETTLING TIME (µs) ±V) LT1227 • TPC19 LT1227 • TPC21 LT1227 • TPC20
Output Impedance in Shutdown vs Frequency Differential Phase vs Frequency Differential Gain vs Frequency
100 0 0 VS = ±15V A (VO)DC = 0.5V V = 1 R 0.05 1.0V 0.01 ) F = 1.5k 1.5V Ω 2.0V 10 0.10 0.02 (VO)DC = 0.5V 0.15 0.03 1.0V 2.0V 1 0.20 0.04 V V S = ±15V S = ±15V DIFFERENTIAL GAIN (%) OUTPUT IMPEDANCE (k A A V = 2 V = 2 DIFFERENTIAL PHASE (DEG) 0.25 RL = 1k 0.05 RL = 1k R R F = 1k F = 1k R R G = 1k G = 1k 0.1 0.30 0.06 100k 1M 10M 100M 100k 1M 10M 100M 100k 1M 10M 100M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) LT1227 • TPC22 LT1227 • TPC23 LT1227 • TPC24
2nd and 3rd Harmonic Distortion vs Frequency 3rd Order Intercept vs Frequency Test Circuit for 3rd Order Intercept
–20 45 VS = ±15V VS = ±15V VO = 2VP-P RL = 100Ω + 40 –30 RL = 100Ω RF = 680Ω 50Ω RF = 820Ω RG = 75Ω LT1227 PO AV = 10dB 35 – –40 2ND 680Ω 30 3RD –50 DISTORTION (dBc) 25 75Ω 50Ω –60 3RD ORDER INTERCEPT (dBm) MEASURE INTERCEPT AT PO 20 1227 TC –70 15 1 10 100 0 10 20 30 40 50 60 FREQUENCY (MHz) FREQUENCY (MHz) LT1227 • TPC25 LT1227 • TPC26 6
W U TYPICAL PERFOR A CE CH C ARA TERISTICS Settling Time to 10mV Settling Time to 1mV vs Output Step vs Output Step Supply Current vs Supply Voltage
10 14 10 VS = ±15V VS = ±15V 13 8 8 RF = RG = 1k RF = RG = 1k 6 12 6 –55°C 4 11 4 NONINVERTING 2 10 2 INVERTING 25°C NONINVERTING 9 0 0 INVERTING –2 8 –2 125°C OUTPUT STEP (V) OUTPUT STEP (V) 7 –4 –4 SUPPLY CURRENT (mA) 175°C –6 6 –6 5 –8 –8 –10 4 –10 0 20 40 60 80 100 0 4 8 12 16 20 0 2 4 6 8 10 12 14 16 18 SUPPLY VOLTAGE ( SETTLING TIME (ns) SETTLING TIME (µs) ±V) LT1227 • TPC19 LT1227 • TPC21 LT1227 • TPC20
Output Impedance in Shutdown vs Frequency Differential Phase vs Frequency Differential Gain vs Frequency
100 0 0 VS = ±15V A (VO)DC = 0.5V V = 1 R 0.05 1.0V 0.01 ) F = 1.5k 1.5V Ω 2.0V 10 0.10 0.02 (VO)DC = 0.5V 0.15 0.03 1.0V 2.0V 1 0.20 0.04 V V S = ±15V S = ±15V DIFFERENTIAL GAIN (%) OUTPUT IMPEDANCE (k A A V = 2 V = 2 DIFFERENTIAL PHASE (DEG) 0.25 RL = 1k 0.05 RL = 1k R R F = 1k F = 1k R R G = 1k G = 1k 0.1 0.30 0.06 100k 1M 10M 100M 100k 1M 10M 100M 100k 1M 10M 100M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) LT1227 • TPC22 LT1227 • TPC23 LT1227 • TPC24
2nd and 3rd Harmonic Distortion vs Frequency 3rd Order Intercept vs Frequency Test Circuit for 3rd Order Intercept
–20 45 VS = ±15V VS = ±15V VO = 2VP-P RL = 100Ω + 40 –30 RL = 100Ω RF = 680Ω 50Ω RF = 820Ω RG = 75Ω LT1227 PO AV = 10dB 35 – –40 2ND 680Ω 30 3RD –50 DISTORTION (dBc) 25 75Ω 50Ω –60 3RD ORDER INTERCEPT (dBm) MEASURE INTERCEPT AT PO 20 1227 TC –70 15 1 10 100 0 10 20 30 40 50 60 FREQUENCY (MHz) FREQUENCY (MHz) LT1227 • TPC25 LT1227 • TPC26 6