Datasheet LT1398, LT1399, LT1399HV (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | Low Cost Dual and Triple 300MHz Current Feedback Amplifiers with Shutdown |
| Pages / Page | 16 / 7 — TYPICAL PERFOR A CE CH. ARA TERISTICS. Input Voltage Noise and Current. … |
| Revision | A |
| File Format / Size | PDF / 441 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CH. ARA TERISTICS. Input Voltage Noise and Current. Output Impedance (Disabled). Noise vs Frequency
Model Line for this Datasheet
Text Version of Document
LT1398/LT1399/LT1399HV
W U TYPICAL PERFOR A CE CH C ARA TERISTICS Input Voltage Noise and Current Output Impedance (Disabled) Noise vs Frequency Output Impedance vs Frequency vs Frequency
1000 100 100k R R F = RG = 324Ω F = 365Ω ) R A L = 50Ω Ω V = +1 V √Hz) AV = +2 S = ± 5V ) Ω 10 VS = ±5V 100 10k √Hz OR pA/ – IN 1 +IN 10 1k EN OUTPUT IMPEDANCE ( 0.1 INPUT NOISE (nV/ OUTPUT IMPEDANCE (DISABLED) ( 1 0.01 100 10 30 100 300 1k 3k 10k 30k 100k 10k 100k 1M 10M 100M 100k 1M 10M 100M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 1398/1399 G10 1398/1399 G11 1398/1399 G12
Maximum Capacitive Load Capacitive Load vs Feedback Resistor vs Output Series Resistor Supply Current vs Supply Voltage
1000 40 6 RF = RG = 324Ω ) VS = ± 5V Ω OVERSHOOT < 2% 5 EN = V – 30 100 4 EN = 0V 20 3 10 2 CAPACITIVE LOAD (pF) 10 R SUPPLY CURRENT (mA) F = RG AV = +2 OUTPUT SERIES RESISTANCE ( 1 VS = ± 5V PEAKING ≤ 5dB 1 0 0 300 900 1500 2100 2700 3300 10 100 1000 0 1 2 3 4 5 6 7 8 9 FEEDBACK RESISTANCE (Ω) CAPACITIVE LOAD (pF) SUPPLY VOLTAGE (± V) 1398/1399 G13 1398/1399 G14 1398/1399 G15
Output Voltage Swing Enable Pin Current Positive Supply Current per vs Temperature vs Temperature Amplifier vs Temperature
5 – 10 5.00 V VS = ± 5V EN = – 5V 4 S = ± 5V – 20 4.75 3 R R L = 100k L = 150Ω µA) EN = 0V 4.50 EN = 0 2 – 30 1 4.25 – 40 0 EN = –5V 4.00 –1 – 50 3.75 – 2 – 60 3.50 OUTPUT VOLTAGE SWING (V) – 3 R R ENABLE PIN CURRENT ( L = 100k L = 150Ω – 70 – 4 3.25 – 5 – 80 3.00 –50 –25 0 25 50 75 100 125 POSITIVE SUPPLY CURRENT PER AMPLIFIER (mA) – 50 – 25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 AMBIENT TEMPERATURE (°C) AMBIENT TEMPERATURE (°C) AMBIENT TEMPERATURE (°C) 1398/1399 G16 1398/1399 G17 1398/1399 G18 sn13989 13989fas 7
W U TYPICAL PERFOR A CE CH C ARA TERISTICS Input Voltage Noise and Current Output Impedance (Disabled) Noise vs Frequency Output Impedance vs Frequency vs Frequency
1000 100 100k R R F = RG = 324Ω F = 365Ω ) R A L = 50Ω Ω V = +1 V √Hz) AV = +2 S = ± 5V ) Ω 10 VS = ±5V 100 10k √Hz OR pA/ – IN 1 +IN 10 1k EN OUTPUT IMPEDANCE ( 0.1 INPUT NOISE (nV/ OUTPUT IMPEDANCE (DISABLED) ( 1 0.01 100 10 30 100 300 1k 3k 10k 30k 100k 10k 100k 1M 10M 100M 100k 1M 10M 100M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 1398/1399 G10 1398/1399 G11 1398/1399 G12
Maximum Capacitive Load Capacitive Load vs Feedback Resistor vs Output Series Resistor Supply Current vs Supply Voltage
1000 40 6 RF = RG = 324Ω ) VS = ± 5V Ω OVERSHOOT < 2% 5 EN = V – 30 100 4 EN = 0V 20 3 10 2 CAPACITIVE LOAD (pF) 10 R SUPPLY CURRENT (mA) F = RG AV = +2 OUTPUT SERIES RESISTANCE ( 1 VS = ± 5V PEAKING ≤ 5dB 1 0 0 300 900 1500 2100 2700 3300 10 100 1000 0 1 2 3 4 5 6 7 8 9 FEEDBACK RESISTANCE (Ω) CAPACITIVE LOAD (pF) SUPPLY VOLTAGE (± V) 1398/1399 G13 1398/1399 G14 1398/1399 G15
Output Voltage Swing Enable Pin Current Positive Supply Current per vs Temperature vs Temperature Amplifier vs Temperature
5 – 10 5.00 V VS = ± 5V EN = – 5V 4 S = ± 5V – 20 4.75 3 R R L = 100k L = 150Ω µA) EN = 0V 4.50 EN = 0 2 – 30 1 4.25 – 40 0 EN = –5V 4.00 –1 – 50 3.75 – 2 – 60 3.50 OUTPUT VOLTAGE SWING (V) – 3 R R ENABLE PIN CURRENT ( L = 100k L = 150Ω – 70 – 4 3.25 – 5 – 80 3.00 –50 –25 0 25 50 75 100 125 POSITIVE SUPPLY CURRENT PER AMPLIFIER (mA) – 50 – 25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 AMBIENT TEMPERATURE (°C) AMBIENT TEMPERATURE (°C) AMBIENT TEMPERATURE (°C) 1398/1399 G16 1398/1399 G17 1398/1399 G18 sn13989 13989fas 7
