Datasheet LT5524 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | Low Distortion IF Amplifier/ADC Driver with Digitally Controlled Gain |
| Pages / Page | 16 / 6 — TYPICAL PERFOR A CE CHARACTERISTICS Two tones, 200kHz spacing, TA = 25. … |
| File Format / Size | PDF / 189 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS Two tones, 200kHz spacing, TA = 25. C, EN = 3V,
Model Line for this Datasheet
Text Version of Document
LT5524
W U TYPICAL PERFOR A CE CHARACTERISTICS Two tones, 200kHz spacing, TA = 25
°
C, EN = 3V, VCC = 5V, VCCO = 5V, control input levels VIL = 0.6V, VIH = 3V unless otherwise noted. (Test circuit shown in Figure 10) NF vs Attenuation Step at Output Noise Floor vs Attenuation Noise Figure vs Frequency Freq = 100MHz Step, Freq = 100MHz, ROUT = 200
Ω 10.0 30 –136 27 9.5 –137 24 1.5dB ATTENUATION STEP (PGA0 = LOW) 21 9.0 –138 PGA1 = HIGH 18 8.5 15 –139 NF (dB) NF (dB) MAX GAIN 12 PGA1 = LOW 8.0 –140 3dB ATTENUATION STEP 9 NOISE FLOOR (dBm/Hz) (PGA1 = LOW) 6 7.5 –141 3 7.0 0 –142 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) 5524 G09 5524 G10 5524 G11
Pulse Response vs Output Level at Max Gain. Indicated Voltage Levels Single-Ended Output Current are into 50
Ω
External Load vs Attenuation Step VIN(BIAS) vs Attenuation Step
21.0 1.60 COUT = 0.82pF 2VP-P 1.5V 20.5 1.55 P-P 1VP-P (V) INPUTS 20.0 1.50 –40 85°C °C IN(BIAS)V CURRENT (mA) 25°C 25°C 19.5 1.45 85°C –40°C 19.0 1.40 2ns/DIV 0 3 6 9 12 15 18 21 5524 G12 0 3 6 9 12 15 18 21 ATTENUATION STEP (dB) ATTENUATION STEP (dB) 5524 G13 5524 G14
ICC Shutdown Current vs VCC, Total ICC vs Attenuation Step EN = 0.6V
80 70 60 78 85°C 85°C 50 75 25°C A) 25°C µ 40 73 30 –40°C CURRENT (mA) CURRENT ( 70 –40°C 20 68 10 65 0 0 3 6 9 12 15 18 21 4.5 4.7 4.9 5.1 5.3 5.5 ATTENUATION STEP (dB) INPUT VCC (V) 5524 G15 5524 G16 5524f 6
W U TYPICAL PERFOR A CE CHARACTERISTICS Two tones, 200kHz spacing, TA = 25
°
C, EN = 3V, VCC = 5V, VCCO = 5V, control input levels VIL = 0.6V, VIH = 3V unless otherwise noted. (Test circuit shown in Figure 10) NF vs Attenuation Step at Output Noise Floor vs Attenuation Noise Figure vs Frequency Freq = 100MHz Step, Freq = 100MHz, ROUT = 200
Ω 10.0 30 –136 27 9.5 –137 24 1.5dB ATTENUATION STEP (PGA0 = LOW) 21 9.0 –138 PGA1 = HIGH 18 8.5 15 –139 NF (dB) NF (dB) MAX GAIN 12 PGA1 = LOW 8.0 –140 3dB ATTENUATION STEP 9 NOISE FLOOR (dBm/Hz) (PGA1 = LOW) 6 7.5 –141 3 7.0 0 –142 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) 5524 G09 5524 G10 5524 G11
Pulse Response vs Output Level at Max Gain. Indicated Voltage Levels Single-Ended Output Current are into 50
Ω
External Load vs Attenuation Step VIN(BIAS) vs Attenuation Step
21.0 1.60 COUT = 0.82pF 2VP-P 1.5V 20.5 1.55 P-P 1VP-P (V) INPUTS 20.0 1.50 –40 85°C °C IN(BIAS)V CURRENT (mA) 25°C 25°C 19.5 1.45 85°C –40°C 19.0 1.40 2ns/DIV 0 3 6 9 12 15 18 21 5524 G12 0 3 6 9 12 15 18 21 ATTENUATION STEP (dB) ATTENUATION STEP (dB) 5524 G13 5524 G14
ICC Shutdown Current vs VCC, Total ICC vs Attenuation Step EN = 0.6V
80 70 60 78 85°C 85°C 50 75 25°C A) 25°C µ 40 73 30 –40°C CURRENT (mA) CURRENT ( 70 –40°C 20 68 10 65 0 0 3 6 9 12 15 18 21 4.5 4.7 4.9 5.1 5.3 5.5 ATTENUATION STEP (dB) INPUT VCC (V) 5524 G15 5524 G16 5524f 6
