Datasheet LT1223 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | 100MHz Current Feedback Amplifier |
| Seiten / Seite | 16 / 6 — TYPICAL PERFOR A CE CHARACTERISTICS. –3dB Bandwidth vs. Minimum Feedback … |
| Dateiformat / Größe | PDF / 258 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFOR A CE CHARACTERISTICS. –3dB Bandwidth vs. Minimum Feedback Resistor vs. Feedback Resistor. Supply Voltage
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LT1223
W U TYPICAL PERFOR A CE CHARACTERISTICS –3dB Bandwidth vs –3dB Bandwidth vs Minimum Feedback Resistor vs Feedback Resistor Supply Voltage Voltage Gain
100 100 1000 A = 2; R R V = 15V ± V F = RG F = RG S 90 Ω 90 L S R = 100 ; V = 15V ± A = 2 V 900 R = 100 L NO CAPACITIVE LOAD R = 100 Ω 80 80 L T = 25 A °C 800 Ω 70 70 R 700 F = 750 60 R 60 F = 1k 0dB PEAKING 600 50 50 500 40 40 R 2dB PEAKING F = 1.5k 400 30 30 –3dB BANDWIDTH (MHz) –3dB BANDWIDTH (MHz) FEEDBACK RESISTOR ( ) 20 300 20 RF = 2k 10 10 200 0 0 100 0 1 2 3 0 5 10 15 0 10 20 30 40 50 60 FEEDBACK RESISTOR (k ) Ω SUPPLY VOLTAGE ( V) ± VOLTAGE GAIN (V/V) LT1223 • TPC11 LT1223 • TPC12 LT1223 • TPC13
Maximum Capacitive Load vs Open-Loop Voltage Gain vs Feedback Resistor Load Resistor Transimpedance vs Load Resistor
10k 100 10 A = 2; R 25°C V = 15V V F = RG S ± 9 L S R = 100; V = 15V ± V = 10V O ± PEAKING < 5dB 90 8 –55°C Ω 7 1k 80 25°C 6 TAGE GAIN (dB) 70 125°C 5 125°C 4 –55°C 100 60 3 CAPACITIVE LOAD (pF) TRANSIMPEDANCE (M ) 2 OPEN LOOP VOL 50 V = 15V S ± 1 V = 10V O ± 10 40 0 0 1 2 3 100 1000 10000 100 1000 10000 FEEDBACK RESISTOR (k ) Ω LOAD RESISTOR ( ) Ω LOAD RESISTOR ( ) Ω LT1223 • TPC14 LT1223 • TPC15 LT1223 • TPC16
Spot Noise Voltage and Current vs Power Supply Rejection vs Frequency Frequency Output Impedance vs Frequency
1000 80 100 V = S ±15V V = 15V ± R S F = 1k Ω Hz POSITIVE 60 10 –in 100 Hz √√ 40 1 R NEGATIVE F = RG = 3k 10 en RF = RG = 1k 20 0.1 SPOT NOISE (nV/ OR pA/ ) POWER SUPPLY REJECTION (dB) +in MAGNITUDE OF OUTPUT IMPEDANCE ( ) 1 0 0.01 10 100 1k 10k 10k 100k 1M 10M 100M 10k 100k 1M 10M 100M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) LT1223 • TPC17 LT1223 • TPC18 LT1223 • TPC19 1223fb 6
W U TYPICAL PERFOR A CE CHARACTERISTICS –3dB Bandwidth vs –3dB Bandwidth vs Minimum Feedback Resistor vs Feedback Resistor Supply Voltage Voltage Gain
100 100 1000 A = 2; R R V = 15V ± V F = RG F = RG S 90 Ω 90 L S R = 100 ; V = 15V ± A = 2 V 900 R = 100 L NO CAPACITIVE LOAD R = 100 Ω 80 80 L T = 25 A °C 800 Ω 70 70 R 700 F = 750 60 R 60 F = 1k 0dB PEAKING 600 50 50 500 40 40 R 2dB PEAKING F = 1.5k 400 30 30 –3dB BANDWIDTH (MHz) –3dB BANDWIDTH (MHz) FEEDBACK RESISTOR ( ) 20 300 20 RF = 2k 10 10 200 0 0 100 0 1 2 3 0 5 10 15 0 10 20 30 40 50 60 FEEDBACK RESISTOR (k ) Ω SUPPLY VOLTAGE ( V) ± VOLTAGE GAIN (V/V) LT1223 • TPC11 LT1223 • TPC12 LT1223 • TPC13
Maximum Capacitive Load vs Open-Loop Voltage Gain vs Feedback Resistor Load Resistor Transimpedance vs Load Resistor
10k 100 10 A = 2; R 25°C V = 15V V F = RG S ± 9 L S R = 100; V = 15V ± V = 10V O ± PEAKING < 5dB 90 8 –55°C Ω 7 1k 80 25°C 6 TAGE GAIN (dB) 70 125°C 5 125°C 4 –55°C 100 60 3 CAPACITIVE LOAD (pF) TRANSIMPEDANCE (M ) 2 OPEN LOOP VOL 50 V = 15V S ± 1 V = 10V O ± 10 40 0 0 1 2 3 100 1000 10000 100 1000 10000 FEEDBACK RESISTOR (k ) Ω LOAD RESISTOR ( ) Ω LOAD RESISTOR ( ) Ω LT1223 • TPC14 LT1223 • TPC15 LT1223 • TPC16
Spot Noise Voltage and Current vs Power Supply Rejection vs Frequency Frequency Output Impedance vs Frequency
1000 80 100 V = S ±15V V = 15V ± R S F = 1k Ω Hz POSITIVE 60 10 –in 100 Hz √√ 40 1 R NEGATIVE F = RG = 3k 10 en RF = RG = 1k 20 0.1 SPOT NOISE (nV/ OR pA/ ) POWER SUPPLY REJECTION (dB) +in MAGNITUDE OF OUTPUT IMPEDANCE ( ) 1 0 0.01 10 100 1k 10k 10k 100k 1M 10M 100M 10k 100k 1M 10M 100M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) LT1223 • TPC17 LT1223 • TPC18 LT1223 • TPC19 1223fb 6