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Summary of Contents for Texas Instruments TLC5540
- Page 1 TLC5540/TLC5510/TLC5510A Evaluation Module User’s Guide July 2002 Mixed-Signal Products SLAU007D...
- Page 2 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.
- Page 3 Information About Cautions and Warnings Preface Read This First About This Manual This user’s guide serves as a reference book for the TLC5540/ TLC5510/TLC5510A. This document provides information to assist managers and hardware / software engineers in application development. How to Use This Manual...
- Page 4 Related Documentation From Texas Instruments Related Documentation From Texas Instruments The following documents may be ordered by contacting the Texas Instruments Product Information Center at one of the numbers listed on the next page, or, they may be downloaded at: http://www–s.ti.com/sc/docs/psheets/pids2.htm...
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Page 5: Table Of Contents
Running Title—Attribute Reference Contents Overview ............... . Purpose . - Page 6 Running Title—Attribute Reference Figures 2–1 Board Schematic ............. . 3–1 EVM Board Layout .
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Page 7: Overview
Chapter 1 Overview This chapter gives an overview of the TLC5540/TLC5510/TLC5510A evaluation module (EVM). Topic Page Power Supply Requirements ........ -
Page 8: Purpose
Purpose 1.1 Purpose The TLC5540/TLC5510/TLC5510A evaluation module (EVM) provides a plat- form for lab prototype evaluation of the Texas Instruments TLC5540/ TLC5510/TLC5510A 8-bit, high-speed analog-to-digital converters. Since practical operation can be acheived with a clock speed in excess of 40 MHz, the circuit layout is critical and does not lend itself to classic breadboarding techniques. -
Page 9: Circuit Description
Chapter 2 Circuit Description This chapter describes the EVM circuit and its operation. Topic Page EVM Analog Input ..........2–2 Digital Output . -
Page 10: Evm Analog Input
Jumper J6 bypasses one of the internal bias resistors and thus alters the input bias range required by the input signal. With J6 installed, the voltage range of the TLC5540/TLC5510 is 0 V to 2.28 V (at 3.3 V The TLC5510A uses only the center internal bias resistor with an externally- applied regulated 4-V reference to generate the device reference voltage. -
Page 11: Amplifier Input, Ac-Coupled
With an amplifier gain of two, the output approaches the positive power supply when the bias potentiometer approaches 2.5 V for the TLC5510/TLC5540. For a 4-V input and a gain of 1 (R6 removed and R8 set to 1 kΩ for optimum settling time and minimum ringing) bias potentiometer R2 is adjusted such that E1 is at 2 V and the amplifier output swing is 0 V to 4 V at TP2. -
Page 12: User Supplied Input Circuit
R1 should be removed from the circuit. The clock is buffered by inverters (U1) and provides a true (noninverted) output to the TLC5540/TLC5510/TLC5510A and a true equivalent output at pin 22 of the output connector J5. This provides the user a buffered reference clock output for external circuitry. -
Page 13: Board Schematic
ANALOG 4 5 6 7 74AC11004B See Note C THS3001 E1 E2 –5 VA E3 E4 74AC573 – See Note 3 R13H TLC5540/TLC5510/TLC5510A E5 E6 R13G CLOCK E7 E8 ANALOG IN R13F R13E VDDA See Note 6 Breadboard R13D VDDA... - Page 14 Board Schematic...
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Page 15: Physical Description
Chapter 3 Physical Description This chapter describes the physical characteristics and PCB layout of the EVM and lists the components used on the module. Topic Page Board Layout ..........3–2 Board Layers . -
Page 16: Evm Board Layout
Board Layout 3.1 Board Layout Figure 3–1 shows the EVM board layout. Figure 3–1. EVM Board Layout... -
Page 17: Evm Board Layer
Board Layers 3.2 Board Layers Figures 3–2 through 3–5 show the EVM board layers. Figure 3–2. EVM Board Layer 1 Physical Description... -
Page 18: Evm Board Layer
Board Layers Figure 3–3. EVM Board Layer 2... -
Page 19: Evm Board Layer
Board Layers Figure 3–4. EVM Board Layer 3 Physical Description... -
Page 20: Evm Board Layer
Board Layers Figure 3–5. EVM Board Layer 4... -
Page 21: Part Descriptions
C1, C3, C6, C8–C10, C12, C18, C19, C21, C22, C24, C27 † 68 pF capacitor, 50 V, 5%, NPO, SMD, size 1210 100 pF (TLC5540)/150 pF(TLC5510/TLC5510A) capacitor, 50 V, 5%, NPO, SMD, size 0805 † FB1–FB5 Ferrite bead, SMD, size 1206, Murata BLM31B601SPT Connector, BNC, 50 Ω, vertical, PC mount... - Page 23 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments TLC5510EVM TLC5540EVM...
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