Datasheet AD9235 (Analog Devices) - 24

Data Sheet AD9235 AVDD C7 R23 JP5 0.1
µ
F 1k
Ω
SINGLE INPUT 1 S3 2 C9 R5 0.33
µ
F 49.9
Ω
R41 JP42 C15 1k
Ω
10
µ
F AVDD JP40 AVDD 10V C44 R21 15pF 1 2 JP45 22
Ω
C69 VIN+ 0.1
µ
F R32 1k
Ω
C2 C44B VAL R22 JP46 22
Ω
R33 C8 R37 VIN– 1k
Ω
0.1
µ
F 499
Ω
C42 JP41 C43 VAL R6 15pF R34 VCC 40
Ω
JP43 3 –IN 523
Ω
1 4 VO+ AD8138 AMP INPUT R35 2 VOC 1 U2 R10 499
Ω
S2 5 8 VO– 40
Ω
2 R31 +IN 6 49.9
Ω
VEE C45 VAL C18 0.1
µ
F R36 AVDD 499
Ω
XFMR INPUT C19 R16 C17 1 10
µ
F 6 T1–1T 1 1k
Ω
S4 VAL 2 + 10V 5 2 ALT VEE R24 1 2 4 3 TP8 49.9
Ω
2 T2 RED A B R8 C25 C16 1 3 JP8 1k
Ω
0.33
µ
F 0.1
µ
F
02461-046 Figure 46. TSSOP Evaluation Board Schematic, Analog Inputs
DACLK AD9762 U4 DD0 1 MSB-DB11 CLOCK 28 DVDD C30 C31 DD1 2 DB10 DVDD 27 0.1
µ
F 0.01
µ
F DD2 3 DB19 DCOM 26 C29 C46 DD3 4 DB8 NC3 25 0.1
µ
F 0.01
µ
F DD4 5 DB7 AVDD 24 DD5 WHT 6 DB6 COMP2 23 S6 TP18 DD6 7 DB5 IOUTA 22 DD7 R29 8 DB4 IOUTB 21 C56 49.9
Ω
DD8 9 DB3 ACOM 20 0.1
µ
F C55 DD9 10 DB2 COMP1 19 22pF DD10 11 DB1 FSADJ 18 DD11 R28 12 DB0 REFIO 17 49.9
Ω
13 NC1 REFLO 16 C49 R30 C51 0.1
µ
F 2k 14 15
Ω
0.1
µ
F C54 NC2 SLEEP 22pF
02461-047 Figure 47. TSSOP Evaluation Board Schematic, Optional DAC Rev. D | Page 23 of 40 Document Outline Specifications DC Specifications Digital Specifications Switching Specifications AC Specifications Absolute Maximum Ratings Explanation of Test Levels ESD Caution Pin Configurations and Function Descriptions Definitions of Specifications Equivalent Circuits Typical Performance Characteristics Applying the AD9235 Theory of Operation Analog Input Differential Input Configurations Single-Ended Input Configuration Clock Input Considerations Power Dissipation and Standby Mode Digital Outputs Timing Voltage Reference Internal Reference Connection External Reference Operation Operational Mode Selection TSSOP Evaluation Board LFCSP Evaluation Board Outline Dimensions Ordering Guide