Datasheet LT5514 (Analog Devices) - 6
Hersteller | Analog Devices |
Beschreibung | Ultralow Distortion IF Amplifier/ADC Driver with Digitally Controlled Gain |
Seiten / Seite | 20 / 6 — TYPICAL PERFOR A CE CHARACTERISTICS (Standard Mode) TA = 25. C, VCC = 5V, … |
Dateiformat / Größe | PDF / 287 Kb |
Dokumentensprache | Englisch |
TYPICAL PERFOR A CE CHARACTERISTICS (Standard Mode) TA = 25. C, VCC = 5V, VCCO = 5V,
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Textversion des Dokuments
LT5514
W U TYPICAL PERFOR A CE CHARACTERISTICS (Standard Mode) TA = 25
°
C, VCC = 5V, VCCO = 5V, ENA = ENB = 3V, control input levels VIL = 0.6V, VIH = 3V unless otherwise noted. (Test circuit shown in Figure 9) Max Gain Frequency Response Frequency Response for All Gain Frequency Response for All Gain with COUT as Parameter, Steps, ROUT = 100
Ω
Steps, ROUT = 200
Ω
ROUT = 200
Ω 33 36 36 30 33 33 27 30 30 24 27 27 24 24 21 21 21 18 18 18 15 15 15 12 POWER GAIN (dB) POWER GAIN (dB) 12 POWER GAIN (dB) 12 C 9 OUT = OPEN 9 9 COUT = 2.2pF 6 6 6 COUT = 4.7pF C 3 OUT = 10pF 3 3 COUT = 22pF 0 0 0 10 100 1000 10 100 1000 10 100 1000 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 5514 G01 5514 G02 5514 G03
Frequency Response at 3dB Attenuation Step with COUT as Gain Error vs Attenuation at Gain Error vs Attenuation at Parameter, ROUT = 200
Ω
25MHz, ROUT = 200
Ω
100MHz, ROUT = 200
Ω 36 0.8 0.8 25°C 25°C 33 0.6 –40°C 0.6 –40°C 30 85°C 85°C 27 0.4 0.4 24 0.2 0.2 21 18 0 0 15 –0.2 –0.2 POWER GAIN (dB) 12 GAIN ERROR (dB) GAIN ERROR (dB) COUT = OPEN 9 COUT = 2.2pF –0.4 –0.4 6 COUT = 4.7pF COUT = 10pF –0.6 –0.6 3 COUT = 22pF 0 –0.8 –0.8 10 100 1000 0 3 6 9 12 15 18 21 0 3 6 9 12 15 18 21 FREQUENCY (MHz) ATTENUATION STEP (dB) ATTENUATION STEP (dB) 5514 G04 1544 G05 1544 G06
Maximum Gain vs Frequency, Minimum Gain vs Frequency, ROUT = 100
Ω
and 200
Ω
ROUT = 100
Ω
and 200
Ω
POUT vs PIN at 50MHz, Max Gain
36 13 25 25°C 25°C –40°C –40°C 85°C 85°C 20 R STANDARD OUT = 200Ω ROUT = 200Ω ROUT = 100Ω 33 10 15 STANDARD ROUT = 200Ω (dBm) 10 R LOW POWER OUT = 100Ω OUT ROUT = 100Ω P ROUT = 200Ω POWER GAIN (dB) 30 POWER GAIN (dB) 7 5 0 27 4 –5 10 100 1000 10 100 1000 –31 –28 –25 –22 –19 –16 –13 –10 –7 FREQUENCY (MHz) FREQUENCY (MHz) PIN (dBm) 5514 G07 5514 G08 5514 G09 5514f 6