Datasheet LT5581 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | 6GHz RMS Power Detector with 40dB Dynamic Range |
| 页数 / 页 | 18 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. Output Voltage and Linearity Error. … |
| 文件格式/大小 | PDF / 640 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Output Voltage and Linearity Error. Supply Current vs RF Input Power. vs VCC at 2140MHz
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LT5581
TYPICAL PERFORMANCE CHARACTERISTICS Output Voltage and Linearity Error Supply Current vs RF Input Power vs VCC at 2140MHz
16 2.0 2.5 TA = 25°C TA = 25°C 1.8 2.0 14 3.3V 1.6 1.5 5V LINEARITY ERROR (dB) 12 1.4 1.0 10 1.2 0.5 (V) 1.0 0 8 V OUT 0.8 –0.5 6 0.6 –1.0 SUPPLY CURRENT (mA) 4 0.4 –1.5 2 0.2 –2.0 0 –2.5 0 –40 –35 –30 –25 –20 –15 –10 –5 0 5 10 –25 –20 –15 –10 –5 0 5 10 15 RF INPUT POWER (dBm) RF INPUT POWER (dBm) 5581 G28 5581 G27
Return Loss vs Frequency Output Transient Response with Reference in Figure 1 Test Circuit RF and EN Pulse
0 3.0 10 TA = 25°C TA = 25°C, VCC = 5V RF & EN RF & EN –5 2.5 5 PULSE RF & EN PULSE ON PULSE RF PULSE ENABLE ( OFF OFF 2.0 0 –10 PIN = 10dBm TAGE (V) 1.5 PIN = 0dBm –5 –15 PIN = –10dBm 1.0 –10 PIN = –20dBm RETURN LOSS (dB) –20 V OUTPUT VOL 0.5 PIN = –30dBm –15 ) –25 0 –20 –30 –0.5 –25 0 1 2 3 4 5 6 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 FREQUENCY (GHz) TIME (ms) L1, C1 = 2.2nH, 1.5pF L1, C1 = 0nH, 0.5pF 5581 G30 L1, C1 = 1nH, 1.5pF L1, C1 = 0nH, 0pF L1, C1 = 0nH, 1pF 5581 G29
Output Transient Response with Output Transient Response CW RF and EN Pulse
3.0 10 3.0 4 TA = 25°C, VCC = 5V TA = 25°C RF RF PULSE ON RF EN PULSE ON EN EN 2.5 5 2.5 2 PULSE PULSE PULSE PULSE RF PULSE ENABLE ( OFF OFF OFF OFF 2.0 0 2.0 0 ENABLE ( PIN = 10dBm TAGE (V) PIN = 10dBm TAGE (V) 1.5 –2 P 1.5 –5 IN = 0dBm PIN = 0dBm PIN = –10dBm V 1.0 –4 ) 1.0 P P IN = –10dBm –10 V IN = –20dBm OUTPUT VOL ) OUTPUT VOL 0.5 –6 P P IN = –30dBm IN = –20dBm 0.5 –15 PIN = –30dBm 0 –8 0 –20 –0.5 –10 0 10 20 30 40 50 60 70 80 90 100 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 TIME (µs) TIME (ms) 5581 G31 5581 G32 5581fb 8 For more information www.linear.com/LT5581 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Typical Performance Characteristics Pin Functions Package Description
TYPICAL PERFORMANCE CHARACTERISTICS Output Voltage and Linearity Error Supply Current vs RF Input Power vs VCC at 2140MHz
16 2.0 2.5 TA = 25°C TA = 25°C 1.8 2.0 14 3.3V 1.6 1.5 5V LINEARITY ERROR (dB) 12 1.4 1.0 10 1.2 0.5 (V) 1.0 0 8 V OUT 0.8 –0.5 6 0.6 –1.0 SUPPLY CURRENT (mA) 4 0.4 –1.5 2 0.2 –2.0 0 –2.5 0 –40 –35 –30 –25 –20 –15 –10 –5 0 5 10 –25 –20 –15 –10 –5 0 5 10 15 RF INPUT POWER (dBm) RF INPUT POWER (dBm) 5581 G28 5581 G27
Return Loss vs Frequency Output Transient Response with Reference in Figure 1 Test Circuit RF and EN Pulse
0 3.0 10 TA = 25°C TA = 25°C, VCC = 5V RF & EN RF & EN –5 2.5 5 PULSE RF & EN PULSE ON PULSE RF PULSE ENABLE ( OFF OFF 2.0 0 –10 PIN = 10dBm TAGE (V) 1.5 PIN = 0dBm –5 –15 PIN = –10dBm 1.0 –10 PIN = –20dBm RETURN LOSS (dB) –20 V OUTPUT VOL 0.5 PIN = –30dBm –15 ) –25 0 –20 –30 –0.5 –25 0 1 2 3 4 5 6 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 FREQUENCY (GHz) TIME (ms) L1, C1 = 2.2nH, 1.5pF L1, C1 = 0nH, 0.5pF 5581 G30 L1, C1 = 1nH, 1.5pF L1, C1 = 0nH, 0pF L1, C1 = 0nH, 1pF 5581 G29
Output Transient Response with Output Transient Response CW RF and EN Pulse
3.0 10 3.0 4 TA = 25°C, VCC = 5V TA = 25°C RF RF PULSE ON RF EN PULSE ON EN EN 2.5 5 2.5 2 PULSE PULSE PULSE PULSE RF PULSE ENABLE ( OFF OFF OFF OFF 2.0 0 2.0 0 ENABLE ( PIN = 10dBm TAGE (V) PIN = 10dBm TAGE (V) 1.5 –2 P 1.5 –5 IN = 0dBm PIN = 0dBm PIN = –10dBm V 1.0 –4 ) 1.0 P P IN = –10dBm –10 V IN = –20dBm OUTPUT VOL ) OUTPUT VOL 0.5 –6 P P IN = –30dBm IN = –20dBm 0.5 –15 PIN = –30dBm 0 –8 0 –20 –0.5 –10 0 10 20 30 40 50 60 70 80 90 100 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 TIME (µs) TIME (ms) 5581 G31 5581 G32 5581fb 8 For more information www.linear.com/LT5581 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Typical Performance Characteristics Pin Functions Package Description