Datasheet LT1398, LT1399, LT1399HV (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Low Cost Dual and Triple 300MHz Current Feedback Amplifiers with Shutdown |
| 页数 / 页 | 16 / 6 — TYPICAL PERFOR A CE CH. ARA TERISTICS. Closed-Loop Gain vs Frequency. (AV … |
| 修订版 | A |
| 文件格式/大小 | PDF / 441 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CH. ARA TERISTICS. Closed-Loop Gain vs Frequency. (AV = 1). V = 2). V = – 1). Large-Signal Transient Response
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LT1398/LT1399/LT1399HV
W U TYPICAL PERFOR A CE CH C ARA TERISTICS Closed-Loop Gain vs Frequency Closed-Loop Gain vs Frequency Closed-Loop Gain vs Frequency (AV = 1) (A (A V = 2) V = – 1)
4 10 4 2 8 2 0 6 0 GAIN (dB) GAIN (dB) GAIN (dB) – 2 4 – 2 – 4 2 – 4 1M 10M 100M 1G 1M 10M 100M 1G 1M 10M 100M 1G VS = ±5V FREQUENCY (Hz) 1398/99 G01 VS = ±5V FREQUENCY (Hz) 1398/99 G02 VS = ±5V FREQUENCY (Hz) 1398/99 G03 VIN = –10dBm VIN = –10dBm VIN = –10dBm RF = 365Ω RF = RG = 324Ω RF = RG = 309Ω RL = 100Ω RL = 100Ω RL = 100Ω
Large-Signal Transient Response Large-Signal Transient Response Large-Signal Transient Response (A (A (A V = 1) V = 2) V = – 1)
OUTPUT (1V/DIV) OUTPUT (1V/DIV) OUTPUT (1V/DIV) 1398/99 G04 1398/99 G05 1398/99 G06 V TIME (5ns/DIV) V TIME (5ns/DIV) S = ±5V S = ±5V V TIME (5ns/DIV) S = ± 5V V V V IN = ±2.5V IN = ±1.25V IN = ± 2.5V R R R F = 365Ω F = RG = 324Ω F = RG = 309Ω R R L = 100Ω L = 100Ω RL = 100Ω
2nd and 3rd Harmonic Distortion Maximum Undistorted Output vs Frequency Voltage vs Frequency PSRR vs Frequency
30 8 80 TA = 25°C 40 RF = RG = 324Ω 70 RL = 100Ω 7 50 VS = ± 5V ) AV = +1 AV = +2 60 VOUT = 2VPP P-P + PSRR HD2 6 – PSRR 60 50 70 5 40 HD3 PSRR (dB) 80 30 DISTORTION (dB) 4 90 OUTPUT VOLTAGE (V T 20 A = 25°C TA = 25°C 3 RF = 324Ω RF = RG = 324Ω 100 RL = 100Ω 10 RL = 100Ω VS = ± 5V AV = +2 110 2 0 1 10 100 1000 10000 100000 1 10 100 10k 100k 1M 10M 100M FREQUENCY (kHz) FREQUENCY (MHz) FREQUENCY (Hz) 1398/1399 G07 1398/1399 G08 1398/1399 G09 sn13989 13989fas 6
W U TYPICAL PERFOR A CE CH C ARA TERISTICS Closed-Loop Gain vs Frequency Closed-Loop Gain vs Frequency Closed-Loop Gain vs Frequency (AV = 1) (A (A V = 2) V = – 1)
4 10 4 2 8 2 0 6 0 GAIN (dB) GAIN (dB) GAIN (dB) – 2 4 – 2 – 4 2 – 4 1M 10M 100M 1G 1M 10M 100M 1G 1M 10M 100M 1G VS = ±5V FREQUENCY (Hz) 1398/99 G01 VS = ±5V FREQUENCY (Hz) 1398/99 G02 VS = ±5V FREQUENCY (Hz) 1398/99 G03 VIN = –10dBm VIN = –10dBm VIN = –10dBm RF = 365Ω RF = RG = 324Ω RF = RG = 309Ω RL = 100Ω RL = 100Ω RL = 100Ω
Large-Signal Transient Response Large-Signal Transient Response Large-Signal Transient Response (A (A (A V = 1) V = 2) V = – 1)
OUTPUT (1V/DIV) OUTPUT (1V/DIV) OUTPUT (1V/DIV) 1398/99 G04 1398/99 G05 1398/99 G06 V TIME (5ns/DIV) V TIME (5ns/DIV) S = ±5V S = ±5V V TIME (5ns/DIV) S = ± 5V V V V IN = ±2.5V IN = ±1.25V IN = ± 2.5V R R R F = 365Ω F = RG = 324Ω F = RG = 309Ω R R L = 100Ω L = 100Ω RL = 100Ω
2nd and 3rd Harmonic Distortion Maximum Undistorted Output vs Frequency Voltage vs Frequency PSRR vs Frequency
30 8 80 TA = 25°C 40 RF = RG = 324Ω 70 RL = 100Ω 7 50 VS = ± 5V ) AV = +1 AV = +2 60 VOUT = 2VPP P-P + PSRR HD2 6 – PSRR 60 50 70 5 40 HD3 PSRR (dB) 80 30 DISTORTION (dB) 4 90 OUTPUT VOLTAGE (V T 20 A = 25°C TA = 25°C 3 RF = 324Ω RF = RG = 324Ω 100 RL = 100Ω 10 RL = 100Ω VS = ± 5V AV = +2 110 2 0 1 10 100 1000 10000 100000 1 10 100 10k 100k 1M 10M 100M FREQUENCY (kHz) FREQUENCY (MHz) FREQUENCY (Hz) 1398/1399 G07 1398/1399 G08 1398/1399 G09 sn13989 13989fas 6