Datasheet AD8375 (Analog Devices) - 10

AD8375 Data Sheet REF3 POSITION –600mV/DIV REF3 SCALE 500mV 0pF 10pF EACH SIDE INPUT 2 R1 R3 1
1 4 02 02
CH1 500mV Ω CH2 500mV Ω M10.0ns 10.0GS/s IT 10.0ps/pt M2.5ns 20.0GS/s IT 10.0ps/pt
724- 724-
A CH1 960mV
06
REF3 500mV 2.5ns A CH4 28.0mV
06 Figure 22. Gain Step Time Domain Response Figure 25. Pulse Response to Capacitive Loading, Gain 20 dB
REF1 POSITION –1.02/DIV REF1 SCALE OUTPUT 50mV RISE (C2) 1.384ns FALL(C2) 1.39ns INPUT 2 2 REF1 1
5 02 4- 72 022 06
CH1 500mV Ω CH2 500mV Ω M20.0ns 10.0GS/s IT 20.0ps/pt
724-
CH2 500mV M2.5ns 20Gsps A CH2 –610mV A CH1 960mV
06
REF1 50.0mV IT 2.5ps/pt
Figure 23. ENBL Time Domain Response Figure 26. Large Signal Pulse Response
0 180 REF1 POSITION –420mV/DIV REF1 SCALE 2V 0pF –5 120 10pF EACH SIDE –10 60 B) rees) INPUT (d eg D G –15 ( A 0 R1 E R4 R3 11 M HAS S –20 –60 11 P S –25 –120
-023
M2.5ns 20.0GS/s IT 10.0ps/pt –30 –180
6 02
REF1 2.0V 2.5ns A CH4 28.0mV 10 100 1000
06724 4-
FREQUENCY (MHz)
72 06 Figure 24. Pulse Response to Capacitive Loading, Gain −4 dB Figure 27. S11 vs. Frequency Rev. B | Page 10 of 24 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 BASIC STRUCTURE Input System Output Amplifier Gain Control APPLICATIONS BASIC CONNECTIONS SINGLE-ENDED-TO-DIFFERENTIAL CONVERSION BROADBAND OPERATION ADC INTERFACING LAYOUT CONSIDERATIONS CHARACTERIZATION TEST CIRCUITS Differential-to-Differential Characterization EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE