Datasheet LT5514 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | Ultralow Distortion IF Amplifier/ADC Driver with Digitally Controlled Gain |
| 页数 / 页 | 20 / 8 — TYPICAL PERFOR A CE CHARACTERISTICS (Standard Mode) Two tones, 200kHz … |
| 文件格式/大小 | PDF / 287 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS (Standard Mode) Two tones, 200kHz spacing,. TA = 25
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LT5514
W U TYPICAL PERFOR A CE CHARACTERISTICS (Standard Mode) Two tones, 200kHz spacing, TA = 25
°
C, ENA = ENB = 5V, VCC = 5V, VCCO = 3V, control input levels VIL = 0.6V, VIH = 3V unless otherwise noted. (Test circuit shown in Figure 10) OIP3 vs Frequency at PIN = –23dBm OIP3 vs Frequency at PIN = –23dBm OIP3 vs Frequency at PIN = –23dBm Max Gain and 1.5dB Attenuation Max Gain, ROUT = 200
Ω
Max Gain, ROUT = 100
Ω
Step, ROUT = 200
Ω 57 57 57 25°C 25°C –40°C –40°C 54 54 54 85°C 85°C 51 51 51 MAX GAIN 48 48 48 45 45 45 OIP3 (dBm) OIP3 (dBm) OIP3 (dBm) 1.5dB 42 42 42 ATTENUATION STEP 39 39 39 36 36 36 0 50 100 150 200 0 50 100 150 200 0 50 100 150 200 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 5514 G19 5514 G20 5514 G21
OIP3 vs Attenuation Step at Freq = 100MHz, PIN = –23dB, ICC Shutdown Current vs VCC, ROUT = 200
Ω
ENA = ENB = 0.6V Total ICC vs Attenuation Step
49 70 160 48 60 85°C 155 47 50 3dB ATTENUATION STEP 150 85°C 46 (PGA0 = HIGH) 25 µA) °C 40 25°C 45 145 OIP3 (dBm) 30 44 CURRENT ( CURRENT (mA) 140 1.5dB ATTENUATION STEP –40°C 20 –40°C 43 (PGA0 = LOW) 135 42 10 41 0 130 0 3 6 9 12 15 18 21 4.5 4.7 4.9 5.1 5.3 5.5 0 3 6 9 12 15 18 21 ATTENUATION STEP (dB) INPUT VCC (V) ATTENUATION STEP (dB) 1544 G22 5514 G23 5514 G24
Single-Ended Output Current vs Attenuation Step VIN(BIAS) vs Attenuation Step
41 1.60 1.55 40 (V) 85°C 1.50 –40°C 25°C IN(BIAS)V CURRENT (mA) 39 25°C –40°C 1.45 85°C 38 1.40 0 3 6 9 12 15 18 21 0 3 6 9 12 15 18 21 ATTENUATION STEP (dB) ATTENUATION STEP (dB) 5514 G25 5514 G26 5514f 8
W U TYPICAL PERFOR A CE CHARACTERISTICS (Standard Mode) Two tones, 200kHz spacing, TA = 25
°
C, ENA = ENB = 5V, VCC = 5V, VCCO = 3V, control input levels VIL = 0.6V, VIH = 3V unless otherwise noted. (Test circuit shown in Figure 10) OIP3 vs Frequency at PIN = –23dBm OIP3 vs Frequency at PIN = –23dBm OIP3 vs Frequency at PIN = –23dBm Max Gain and 1.5dB Attenuation Max Gain, ROUT = 200
Ω
Max Gain, ROUT = 100
Ω
Step, ROUT = 200
Ω 57 57 57 25°C 25°C –40°C –40°C 54 54 54 85°C 85°C 51 51 51 MAX GAIN 48 48 48 45 45 45 OIP3 (dBm) OIP3 (dBm) OIP3 (dBm) 1.5dB 42 42 42 ATTENUATION STEP 39 39 39 36 36 36 0 50 100 150 200 0 50 100 150 200 0 50 100 150 200 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 5514 G19 5514 G20 5514 G21
OIP3 vs Attenuation Step at Freq = 100MHz, PIN = –23dB, ICC Shutdown Current vs VCC, ROUT = 200
Ω
ENA = ENB = 0.6V Total ICC vs Attenuation Step
49 70 160 48 60 85°C 155 47 50 3dB ATTENUATION STEP 150 85°C 46 (PGA0 = HIGH) 25 µA) °C 40 25°C 45 145 OIP3 (dBm) 30 44 CURRENT ( CURRENT (mA) 140 1.5dB ATTENUATION STEP –40°C 20 –40°C 43 (PGA0 = LOW) 135 42 10 41 0 130 0 3 6 9 12 15 18 21 4.5 4.7 4.9 5.1 5.3 5.5 0 3 6 9 12 15 18 21 ATTENUATION STEP (dB) INPUT VCC (V) ATTENUATION STEP (dB) 1544 G22 5514 G23 5514 G24
Single-Ended Output Current vs Attenuation Step VIN(BIAS) vs Attenuation Step
41 1.60 1.55 40 (V) 85°C 1.50 –40°C 25°C IN(BIAS)V CURRENT (mA) 39 25°C –40°C 1.45 85°C 38 1.40 0 3 6 9 12 15 18 21 0 3 6 9 12 15 18 21 ATTENUATION STEP (dB) ATTENUATION STEP (dB) 5514 G25 5514 G26 5514f 8