Datasheet LT5514 (Analog Devices) - 7

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) Harmonic Distortion vs Minimum Gain vs VCC at 120MHz, Maximum Gain vs VCC at Attenuation Step at POUT = 7dBm, ROUT = 100
Ω
120MHz, ROUT = 100
Ω
Freq = 50MHz, ROUT = 200
Ω 7.8 30.4 –72 FIGURE 10 TEST CIRCUIT HD3 7.6 30.2 –75 PGA0 = LOW 7.4 30.0 –40°C –40°C HD3 –78 PGA0 = HIGH 7.2 29.8 25°C 25°C –81 7.0 GAIN (dB) 29.6 HD (dBc) 85°C GAIN (dB) HD2 –84 6.8 29.4 85°C 6.6 29.2 –87 6.4 29.0 –90 4.5 4.7 4.9 5.1 5.3 5.5 4.5 4.7 4.9 5.1 5.3 5.5 0 3 6 9 12 15 18 21 VCC (V) VCC (V) ATTENUATION STEP (dB) 5514 G10 5514 G11 5514 G12
Harmonic Distortion vs Attenuation Step at POUT = 7dBm, Harmonic Distortion vs POUT at Harmonic Distortion vs POUT at Freq = 50MHz, ROUT = 200
Ω
50MHz, Max Gain, ROUT = 200
Ω
50MHz, Max Gain, ROUT = 100
Ω –72 –40 –40 –45 –45 –75 HD3 –50 –50 PGA0 = LOW –55 –55 –78 –60 –60 –65 –65 HD3 –81 –70 –70 HD3 HD (dBc) HD (dBc) –75 HD (dBc) HD2 –75 HD3 HD2 –84 –80 –80 HD2 PGA0 = HIGH –85 –85 HD5 HD4 HD5 HD4 –87 –90 –90 –95 –95 –90 –100 –100 0 3 6 9 12 15 18 21 –3 0 3 6 9 12 15 18 21 –5 –2 1 4 7 10 13 16 19 ATTENUATION STEP (dB) POUT (dBm) POUT (dBm) 5514 G12 5514 G14 5514 G15
NF vs Attenuation Step at Output Noise Floor vs Attenuation Noise Figure vs Frequency Freq = 100MHz Step, Freq = 100MHz, ROUT = 200
Ω 9.0 30 –133 FIGURE 10 TEST CIRCUIT FIGURE 10 TEST CIRCUIT FIGURE 10 TEST CIRCUIT 27 8.5 –134 24 1.5dB ATTENUATION STEP 21 PGA1 = HIGH 8.0 (PGA0 = LOW) –135 18 7.5 15 –136 NF (dB) NF (dB) 12 PGA1 = LOW MAX GAIN 7.0 –137 9 NOISE FLOOR (dBm/Hz) 3dB ATTENUATION STEP 6 6.5 (PGA1 = LOW) –138 3 6.0 0 –139 0 50 100 150 200 250 300 350 400 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 G16 5514 G17 5514 G18 5514f 7