Datasheet LT5514 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | Ultralow Distortion IF Amplifier/ADC Driver with Digitally Controlled Gain |
| Pages / Page | 20 / 10 — TYPICAL PERFOR A CE CHARACTERISTICS (Low Power Mode) TA = 25. C, VCC = … |
| File Format / Size | PDF / 287 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS (Low Power Mode) TA = 25. C, VCC = 5V, VCCO = 5V,
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Text Version of Document
LT5514
W U TYPICAL PERFOR A CE CHARACTERISTICS (Low Power Mode) TA = 25
°
C, VCC = 5V, VCCO = 5V, ENA = 3V, ENB = 0.6V or ENA = 0.6V, ENB = 3V, control input levels VIL = 0.6V, VIH = 3V unless otherwise noted. (Test circuit shown in Figure 10) OIP3 vs Frequency at Pin = –23dBm, Max Gain and 1.5dB Attenuation Harmonic Distortion vs POUT at Step, R 50MHz, Max Gain, R Noise Figure vs Frequency OUT = 200
Ω
OUT = 200
Ω 54 –40 10.0 –45 51 –50 9.5 48 –55 1.5dB ATTENUATION STEP –60 (PGA0 = LOW) 9.0 45 –65 MAX GAIN HD3 HD2 42 –70 8.5 HD(dBc) NF (dB) OIP3 (dBm) –75 39 MAX GAIN –80 8.0 1.5dB 3dB ATTENUATION STEP 36 ATTENUATION –85 (PGA1 = LOW) STEP HD5 HD4 –90 7.5 33 –95 30 –100 7.0 0 50 100 150 200 –6 –3 0 3 6 9 12 15 0 50 100 150 200 250 300 350 400 FREQUENCY (MHz) POUT (dBm) FREQUENCY (MHz) 5514 G34 5514 G35 5514 G36
Pulse Response vs Output Level at NF vs Attenuation Step at Output Noise Floor vs Attenuation Max Gain. Indicated Voltage Levels Freq = 100MHz Step, Freq = 100MHz, ROUT = 200
Ω
are into 50
Ω
External Load
30 –136 COUT = 0.82pF 27 –137 24 2VP-P 1.5V 21 P-P –138 PGA1 = HIGH 1VP-P 18 INPUTS 15 –139 NF (dB) 12 PGA1 = LOW –140 9 NOISE FLOOR (dBm/Hz) 6 –141 3 0 –142 0 3 6 9 12 15 18 21 0 3 6 9 12 15 18 21 2ns/DIV 5514 G39 ATTENUATION STEP (dB) ATTENUATION STEP (dB) 5514 G37 5514 G38
Single-Ended Output Current Total ICC vs VCC vs Attenuation Step VIN(BIAS) vs Attenuation Step
80 21.0 1.60 78 85°C 20.5 1.55 75 25°C (V) 73 20.0 1.50 85°C –40°C IN(BIAS) –40°C V CURRENT (mA) 70 CURRENT (mA) 25°C 25°C 19.5 1.45 85°C 68 –40°C 65 19.0 1.40 0 3 6 9 12 15 18 21 0 3 6 9 12 15 18 21 0 3 6 9 12 15 18 21 ATTENUATION STEP (dB) ATTENUATION STEP (dB) ATTENUATION STEP (dB) 5514 G40 5514 G41 5514 G42 5514f 10
W U TYPICAL PERFOR A CE CHARACTERISTICS (Low Power Mode) TA = 25
°
C, VCC = 5V, VCCO = 5V, ENA = 3V, ENB = 0.6V or ENA = 0.6V, ENB = 3V, control input levels VIL = 0.6V, VIH = 3V unless otherwise noted. (Test circuit shown in Figure 10) OIP3 vs Frequency at Pin = –23dBm, Max Gain and 1.5dB Attenuation Harmonic Distortion vs POUT at Step, R 50MHz, Max Gain, R Noise Figure vs Frequency OUT = 200
Ω
OUT = 200
Ω 54 –40 10.0 –45 51 –50 9.5 48 –55 1.5dB ATTENUATION STEP –60 (PGA0 = LOW) 9.0 45 –65 MAX GAIN HD3 HD2 42 –70 8.5 HD(dBc) NF (dB) OIP3 (dBm) –75 39 MAX GAIN –80 8.0 1.5dB 3dB ATTENUATION STEP 36 ATTENUATION –85 (PGA1 = LOW) STEP HD5 HD4 –90 7.5 33 –95 30 –100 7.0 0 50 100 150 200 –6 –3 0 3 6 9 12 15 0 50 100 150 200 250 300 350 400 FREQUENCY (MHz) POUT (dBm) FREQUENCY (MHz) 5514 G34 5514 G35 5514 G36
Pulse Response vs Output Level at NF vs Attenuation Step at Output Noise Floor vs Attenuation Max Gain. Indicated Voltage Levels Freq = 100MHz Step, Freq = 100MHz, ROUT = 200
Ω
are into 50
Ω
External Load
30 –136 COUT = 0.82pF 27 –137 24 2VP-P 1.5V 21 P-P –138 PGA1 = HIGH 1VP-P 18 INPUTS 15 –139 NF (dB) 12 PGA1 = LOW –140 9 NOISE FLOOR (dBm/Hz) 6 –141 3 0 –142 0 3 6 9 12 15 18 21 0 3 6 9 12 15 18 21 2ns/DIV 5514 G39 ATTENUATION STEP (dB) ATTENUATION STEP (dB) 5514 G37 5514 G38
Single-Ended Output Current Total ICC vs VCC vs Attenuation Step VIN(BIAS) vs Attenuation Step
80 21.0 1.60 78 85°C 20.5 1.55 75 25°C (V) 73 20.0 1.50 85°C –40°C IN(BIAS) –40°C V CURRENT (mA) 70 CURRENT (mA) 25°C 25°C 19.5 1.45 85°C 68 –40°C 65 19.0 1.40 0 3 6 9 12 15 18 21 0 3 6 9 12 15 18 21 0 3 6 9 12 15 18 21 ATTENUATION STEP (dB) ATTENUATION STEP (dB) ATTENUATION STEP (dB) 5514 G40 5514 G41 5514 G42 5514f 10
