Datasheet LTC6431-20 (Analog Devices) - 7

LTC6431-20
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = 5V, ZSOURCE = ZLOAD = 50Ω unless otherwise noted. Measurements are performed using Test Circuit A, measuring from 50Ω SMA to 50Ω without de-embedding (Note 4). OIP3 vs Frequency Over VCC OIP3 vs Tone Spacing Over OIP3 vs Frequency Over Case Voltage Frequency Temperature
52 50 55 TA = 25°C 50 POUT = 2dBm/TONE 48 f 50 SPACE = 1MHz 48 Z 46 IN = ZOUT = 50Ω 45 46 44 42 44 40 40 T 42 CASE = 35 OIP3 (dBm) OIP3 (dBm) 38 OIP3 (dBm) 85°C 40 70°C 4.5V 36 30 50°C 38 4.75V 28°C VCC = 5V 5V 34 25 0°C POUT = 2dBm/TONE 36 5.25V –20°C fSPACE = 1MHz 5.5V 32 –40°C ZIN = ZOUT = 50Ω 34 30 20 0 200 400 600 800 1000 0 5 10 15 20 25 30 35 40 45 50 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) TONE SPACING (MHz) 643120 G11 FREQUENCY (MHz) 643120 G10 50MHz 300MHz 700MHz 643120 G12 100MHz 400MHz 800MHz 200MHz 500MHz 900MHz 240MHz 600MHz 1000MHz
HD2 vs Frequency Over POUT HD3 vs Input Frequency Over POUT HD4 vs Input Frequency Over POUT
0 0 0 –10 RF P –10 OUT = –10 4dBm –20 –20 6dBm 8dBm –20 –30 –30 10dBm –40 –40 –30 –50 –50 –60 –60 HD2 (dBc) –40 HD3 (dBc) HD4 (dBc) –70 –70 –50 RF POUT = –80 RF POUT = –80 4dBm 4dBm –90 –60 6dBm 6dBm –90 8dBm –100 8dBm –100 10dBm 10dBm –70 –110 –110 0 100 200 300 400 500 600 700 800 900 1000 0 100 200 300 400 500 600 700 800 900 1000 0 100 200 300 400 500 600 700 800 900 1000 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) 643120 G13 643120 G14 643120 G15
Total Current (ITOT) vs VCC Total Current (ITOT) vs Temperature Total Current vs RF Input Power
100 120 100 TCASE = 25°C V 110 CC = 5V 95 90 100 90 90 85 80 80 70 80 (mA) (mA) 60 75 I TOT 70 I TOT 50 70 40 65 30 TOTAL CURRENT (mA) 60 60 20 VSUP = 5V T 10 55 A = 25°C FREQ = 200MHz 50 0 50 4 4.25 4.5 4.75 5 5.25 5.5 5.75 6 –50 –25 0 25 50 75 100 –15 –10 –5 0 5 10 VCC (V) TEMPERATURE (°C) RF INPUT POWER (dBm) 643120 G16 643120 G17 643120 G18 643120f For more information www.linear.com/LTC6431-20 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Order Information DC Electrical Characteristics AC Electrical Characteristics Typical Performance Characteristics Block Diagram Test Circuit A Operation Applications Information Demo Board S Parameters Package Description Typical Application Related Parts