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Texas Instruments ADS5553 User Manual
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Texas Instruments ADS5553 User Manual

Texas Instruments ADS5553 User Manual

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ADS5553 EVM User Guide
User's Guide
February 2005
SLWU021
This datasheet has been downloaded from
http://www.digchip.com
at this
page

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Summary of Contents for Texas Instruments ADS5553

  • Page 1 ADS5553 EVM User Guide User's Guide February 2005 SLWU021 This datasheet has been downloaded from http://www.digchip.com at this page...
  • Page 2 TI product or service and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements. Following are URLs where you can obtain information on other Texas Instruments products and application solutions:...
  • Page 3 EVM components. ADS5553 EVM Operational Procedure The ADS5553 EVM provides a flexible means of evaluating the ADS5553 in a number of modes of operation. A basic set-up procedure that can be used as a board confidence check is as follows: 1.
  • Page 4 ADS5553 EVM Operational Procedure Table 1-1. Two Pin Jumper List JUMPER FUNCTION INSTALLED REMOVED DEFAULT SJP4 Removed SJP5 Installed Reserved Installed Reserved Removed Reserved Installed Table 1-2. Three Pin Jumper List JUMPER FUNCTION LOCATION: PINS 1-2 LOCATION: PINS 2-3...
  • Page 5 Chapter 2 SLWU021 – February 2005 Circuit Description Schematic Diagram The schematic diagram for the EVM is attached to the end of this document. Circuit Function The following paragraphs describe the function of individual circuits. Refer to the relevant data sheet for device operating characteristics.
  • Page 6 IREF Control By adjusting the resistance on R4, the user can adjust the bias current used by the ADS5553 device. The default value for the EVM is 56.2 kΩ. Care must be taken when changing this value. See the relevant data sheet for more information.
  • Page 7 Chapter 3 SLWU021 – February 2005 Parts List Table 3-1 lists the parts used in constructing the EVM Table 3-1. Bill of Materials for ADS5553 VALUE PART NUMBER VENDOR REF DES NOT IN- STALLED CAPACITORS 47 uF, tantalum, 20%, 10V...
  • Page 8 Circuit Function Table 3-1. Bill of Materials for ADS5553 (continued) VALUE PART NUMBER VENDOR REF DES NOT IN- STALLED 36.5 Ohm resistor, 1/16 W, 1% ERJ-3EKF36R5V Panasonic R72 R73 R76 R77 49.9 Ohm resistor, 1/16 W, 1% ERJ-3EKF49R9V Panasonic...
  • Page 9 Chapter 4 SLWU021 – February 2005 Physical Description This chapter describes the physical characteristics and PCB layout of the EVM and lists the components used on the module. PCB Layout The EVM is constructed on a 6-layer, 6.0-inch x 5.1-inch, 0.062-inch thick PCB using FR-4 material. The individual layers are shown in the diagrams attached to the end of this document.
  • Page 10 www.ti.com PCB Layout Figure 4-2. Layer 2, Ground Plane Physical Description SLWU021 – February 2005...
  • Page 11 www.ti.com PCB Layout Figure 4-3. Layer 3, Power Plane #1 SLWU021 – February 2005 Physical Description...
  • Page 12 www.ti.com PCB Layout Figure 4-4. Layer 4, Power Plane #2 Physical Description SLWU021 – February 2005...
  • Page 13 www.ti.com PCB Layout Figure 4-5. Layer 5, Ground Plane SLWU021 – February 2005 Physical Description...
  • Page 14 www.ti.com PCB Layout Figure 4-6. Layer 6, Bottom Layer Physical Description SLWU021 – February 2005...
  • Page 15 CLKPA CLKPA DRVSS CLKMA (Sh 5) CLKMA CLKMA DRVDD .1uF REFPA AVSS REFMA C114 C115 REFPA CLKOUTA AVDD ADS5553 CLKOUTA CLKOUTA (Sh 3) AVDD IREF SJP4 IREF Reserved (Sh 6) SCLK (Note 1) AVDD Reserved SCLK (Sh 6) SDATA AVSS...
  • Page 16 (Note 1) (Note 1) INMB INMB (Sh 1) ADT1-1WT 24.9 C105 .01uF .01uF 12500 TI Boulevard. Dallas, Texas 75243 Title: ADS5553 Engineer: J. SETON DOCUMENTCONTROL # REV: Note 1. Part not installed Drawn By: Y. DEWONCK FILE: DATE: 17-Jan-2005 SIZE:...
  • Page 17 3OEB 4OEB DRVDD 470pF .1uF 470pF .1uF 470pF .1uF 470pF .1uF 10uF 12500 TI Boulevard. Dallas, Texas 75243 Title: ADS5553 Note 1. Part not installed Engineer: J. SETON DOCUMENTCONTROL # REV: Drawn By: Y. DEWONCK FILE: DATE: 17-Jan-2005 SIZE: SHEET:...
  • Page 18 C110 C111 C112 470pF .1uF 470pF .1uF 470pF .1uF 470pF .1uF 10uF 12500 TI Boulevard. Dallas, Texas 75243 Title: ADS5553 Note 1. Part not installed Engineer: J. SETON DOCUMENTCONTROL # REV: Drawn By: Y. DEWONCK FILE: DATE: 17-Jan-2005 SIZE: SHEET:...
  • Page 19 (Note 1) (Note 1) CLKPB CLKPB (Sh 1) .1uF CLKMB CLKMB (Sh 1) .1uF 12500 TI Boulevard. Dallas, Texas 75243 Title: ADS5553 Engineer: J. SETON DOCUMENTCONTROL # Note 1. Part not installed REV: Drawn By: Y. DEWONCK FILE: DATE: 17-Jan-2005 SIZE:...
  • Page 20 (Note 1) SDATA (Sh 1) SDATA .1uF 47uF 10uF (Sh 1) (Note 1) 12500 TI Boulevard. Dallas, Texas 75243 Title: ADS5553 Engineer: J. SETON DOCUMENTCONTROL # REV: Drawn By: Y. DEWONCK Note 1. Part not installed FILE: DATE: 17-Jan-2005 SIZE:...
  • Page 21 49.9 10uF -VCC 0.1% .1uF BYPASS 10uF .047uF 470pF .1uF .01uF 4.99K 12500 TI Boulevard. Dallas, Texas 75243 Title: ADS5553 Engineer: J. SETON DOCUMENTCONTROL # REV: Drawn By: Y. DEWONCK Note 1. Part not installed FILE: DATE: 17-Jan-2005 SIZE: SHEET:...