Datasheet LT5581 (Analog Devices) - 8

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