Datasheet AD8368 (Analog Devices) - 8

AD8368 Data Sheet 40 20 ) +85°C +85°C 18 35 Bm ) d +25°C ( m T 16 B P 30 d N ( 14 RCE +25°C IO E 25 S S NT 12 –40°C E R R I 20 P 10 M RDE –40°C -O 8 15 B CO RD 1d HI T 6 T 10 U P UT T 4 P U O 5 UT
09 12
O
0
2
0 7- 7- 90 90
0
05
0
05
70 110 150 190 230 270 310 350 380 70 110 150 190 230 270 310 350 380 RF INPUT (MHz) RF INPUT (MHz)
Figure 9. Output Third-Order Intercept vs. RF Input Frequency at Figure 12. Output 1dB Compression Point vs. RF Input Frequency at Maximum Gain (VMODE = 0 V) Maximum Gain (VMODE = 0 V)
40 20 70MHz 140MHz ) 70MHz 140MHz 18 35 Bm ) d ( m T 16 B P 30 d ( N 14 RCE IO E 25 S S NT 240MHz 12 380MHz RE 240MHz R I 380MHz 20 P 10 M RDE O 8 15 B CO RD- 1d HI 6 T 10 UT P UT T 4 P U O 5 UT
10 13
O
0
2
0 7- 7- 90 90
0
05
0
05
0 0.2 0.4 0.6 0.8 1.0 0 0.2 0.4 0.6 0.8 1.0 VGAIN (V) VGAIN (V)
Figure 10. Output Third-Order Intercept vs. VGAIN (VMODE = 0 V) Figure 13. Output 1dB Compression Point vs. VGAIN (VMODE = 0 V)
0 20 5.5V 18 –10 ) m 16 B –20 d Bc) N ( 14 d IO –30 S D ( 5.0V S 12 M E R R I P 4.5V –40 10 M DE R 380MHz O 240MHz 8 –50 B CO D- R 1d HI T 6 T –60 U P T 4 U O –70
1 14 01
2
0 7-
140MHz
7-
70MHz
90 90
–80
05
0
05
0 0.2 0.4 0.6 0.8 1.0 70 110 150 190 230 270 310 350 380 VGAIN (V) RF INPUT (MHz)
Figure 11. Third-Order IMD vs. V Figure 14. Output 1dB Compression Point vs. RF Input Frequency by GAIN (Output Power = 0 dBm per Tone, V Supply Voltage at Maximum Gain (V MODE = 0 V) MODE = 0 V) Rev. C | Page 8 of 20 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS CIRCUIT DESCRIPTION INPUT ATTENUATOR AND INTERPOLATOR FIXED-GAIN STAGE AND OUTPUT BUFFER OUTPUT OFFSET CORRECTION INPUT AND OUTPUT IMPEDANCES GAIN CONTROL INTERFACE APPLICATIONS INFORMATION VGA OPERATION AGC OPERATION STABILITY AND LAYOUT CONSIDERATIONS EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE