Datasheet LT1251, LT1256 (Analog Devices) - 5
| Fabricante | Analog Devices |
| Descripción | 40MHz Video Fader and DC Gain Controlled Amplifier |
| Páginas / Página | 24 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. LT1251. LT1256. Spot Input Noise … |
| Formato / tamaño de archivo | PDF / 396 Kb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. LT1251. LT1256. Spot Input Noise Voltage and. Gain vs Control Voltage. Current vs Frequency
Línea de modelo para esta hoja de datos
Versión de texto del documento
LT1251/LT1256
W U TYPICAL PERFORMANCE CHARACTERISTICS LT1251 LT1256 Spot Input Noise Voltage and Gain vs Control Voltage Gain vs Control Voltage Current vs Frequency
1.0 1.0 100 0.8 0.8 √Hz) –in IN2 IN2 V) 0.6 V) 0.6 VFS = 2.5V VFS = 2.5V √Hz OR pA/ 10 GAIN (V/ 0.4 GAIN (V/ 0.4 IN1 IN1 en 0.2 0.2 SPOT NOISE (nV/ +in 0 0 1 0 0.5 1.0 1.5 2.0 2.5 0 0.5 1.0 1.5 2.0 2.5 10 100 1k 10k CONTROL VOLTAGE (V) CONTROL VOLTAGE (V) FREQUENCY (Hz) 1251/56 G01 1251/56 G02 1251/56 G06
LT1251/LT1256 LT1251/LT1256 Undistorted Output Voltage Control Path Bandwidth Control Path Bandwidth vs Frequency
10 10 8 VOLTAGE DRIVE V VOLTAGE DRIVE R 8 C C A 8 V = 10 VS = ±5V VC = GND 7 6 6 VS = ±5V ) 4 P-P 6 4 AV = 1 2 2 5 0 0 PIN 4 NOT IN SOCKET 4 –2 –2 VOLTAGE GAIN (dB) –4 VOLTAGE GAIN (dB) –4 3 OUTPUT VOLTAGE (V VS = ±5V –6 R –6 L = 1k 2 RF = 1.5k –8 –8 VC = VFS = 2.5V –10 1 –10 10k 100k 1M 10M 100M 10k 100k 1M 10M 100M 100k 1M 10M 100M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 1251/56 G04 1251/56 G05 1251/56 G07
2nd and 3rd Harmonic Distortion THD Plus Noise vs Frequency vs Frequency 3rd Order Intercept vs Frequency
10 –20 50 V V = ±5V V = ±15V S = ±5V, VIN = 1VRMS S CC S CC CC A A A V = 1, RF = 1.5k, VFS = 2.5V V = 1 45 V = 1 R R –30 F = 1.5k F = 1.5k 1 RL = 1k 40 RL = 100Ω VC = 10% CC V V O = 2VP-P C = VFS = 2.5V VC = VFS = 2.5V 35 –40 0.1 30 –50 25 THD + NOISE (%) VC = 50% DISTORTION (dBc) CC 0.01 2ND 3RD 20 –60 3RD ORDER INTERCEPT (dBm) VC = 100% 15 CC 0.001 –70 10 10 100 1k 10k 100k 1 10 100 0 5 10 15 20 25 30 FREQUENCY (Hz) FREQUENCY (MHz) FREQUENCY (MHz) 1251/56 G08 1251/56 G09 1251/56 G10 5
W U TYPICAL PERFORMANCE CHARACTERISTICS LT1251 LT1256 Spot Input Noise Voltage and Gain vs Control Voltage Gain vs Control Voltage Current vs Frequency
1.0 1.0 100 0.8 0.8 √Hz) –in IN2 IN2 V) 0.6 V) 0.6 VFS = 2.5V VFS = 2.5V √Hz OR pA/ 10 GAIN (V/ 0.4 GAIN (V/ 0.4 IN1 IN1 en 0.2 0.2 SPOT NOISE (nV/ +in 0 0 1 0 0.5 1.0 1.5 2.0 2.5 0 0.5 1.0 1.5 2.0 2.5 10 100 1k 10k CONTROL VOLTAGE (V) CONTROL VOLTAGE (V) FREQUENCY (Hz) 1251/56 G01 1251/56 G02 1251/56 G06
LT1251/LT1256 LT1251/LT1256 Undistorted Output Voltage Control Path Bandwidth Control Path Bandwidth vs Frequency
10 10 8 VOLTAGE DRIVE V VOLTAGE DRIVE R 8 C C A 8 V = 10 VS = ±5V VC = GND 7 6 6 VS = ±5V ) 4 P-P 6 4 AV = 1 2 2 5 0 0 PIN 4 NOT IN SOCKET 4 –2 –2 VOLTAGE GAIN (dB) –4 VOLTAGE GAIN (dB) –4 3 OUTPUT VOLTAGE (V VS = ±5V –6 R –6 L = 1k 2 RF = 1.5k –8 –8 VC = VFS = 2.5V –10 1 –10 10k 100k 1M 10M 100M 10k 100k 1M 10M 100M 100k 1M 10M 100M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 1251/56 G04 1251/56 G05 1251/56 G07
2nd and 3rd Harmonic Distortion THD Plus Noise vs Frequency vs Frequency 3rd Order Intercept vs Frequency
10 –20 50 V V = ±5V V = ±15V S = ±5V, VIN = 1VRMS S CC S CC CC A A A V = 1, RF = 1.5k, VFS = 2.5V V = 1 45 V = 1 R R –30 F = 1.5k F = 1.5k 1 RL = 1k 40 RL = 100Ω VC = 10% CC V V O = 2VP-P C = VFS = 2.5V VC = VFS = 2.5V 35 –40 0.1 30 –50 25 THD + NOISE (%) VC = 50% DISTORTION (dBc) CC 0.01 2ND 3RD 20 –60 3RD ORDER INTERCEPT (dBm) VC = 100% 15 CC 0.001 –70 10 10 100 1k 10k 100k 1 10 100 0 5 10 15 20 25 30 FREQUENCY (Hz) FREQUENCY (MHz) FREQUENCY (MHz) 1251/56 G08 1251/56 G09 1251/56 G10 5