background image

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. All products are sold subject to TI’s terms
and conditions of sale supplied at the time of order acknowledgment.

TI warrants performance of its hardware products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI
deems necessary to support this warranty. Except where mandated by government requirements, testing of all
parameters of each product is not necessarily performed.

TI assumes no liability for applications assistance or customer product design. Customers are responsible for
their products and applications using TI components. To minimize the risks associated with customer products
and applications, customers should provide adequate design and operating safeguards.

TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right,
copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process
in which TI products or services are used. Information published by TI regarding third-party products or services
does not constitute a license from TI to use such products or services or a warranty or endorsement thereof.
Use of such information may require a license from a third party under the patents or other intellectual property
of the third party, or a license from TI under the patents or other intellectual property of TI.

Reproduction of information in TI data books or data sheets is permissible only if reproduction is without
alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction
of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for
such altered documentation.

Resale of TI products or services with statements different from or beyond the parameters  stated by TI for that
product or service voids all express and any implied warranties for the associated 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:

Products

Applications

Amplifiers

amplifier.ti.com

Audio

www.ti.com/audio

Data Converters

dataconverter.ti.com

Automotive

www.ti.com/automotive

DSP

dsp.ti.com

Broadband

www.ti.com/broadband

Interface

interface.ti.com

Digital Control

www.ti.com/digitalcontrol

Logic

logic.ti.com

Military

www.ti.com/military

Power Mgmt

power.ti.com

Optical Networking

www.ti.com/opticalnetwork

Microcontrollers

microcontroller.ti.com

Security

www.ti.com/security

Telephony

www.ti.com/telephony

Video & Imaging

www.ti.com/video

Wireless

www.ti.com/wireless

Mailing Address:

Texas Instruments
Post Office Box 655303 Dallas, Texas 75265

Copyright 

 2006, Texas Instruments Incorporated

Summary of Contents for DAC8554EVM

Page 1: ...sign and Performance 4 3 EVM Operation 14 4 Schematic 20 List of Figures 1 DAC8554EVM Functional Block Diagram 3 2 DAC8554EVM PCB Top Silkscreen Image 5 3 DAC8554EVM PCB Layer 1 Top Signal Layer 5 4 D...

Page 2: ...l section are powered by 5V VDD The VCC supply source is primarily used to provide the positive rail of the external output op amp U2 the reference chip U3 and the reference buffer U4 The negative rai...

Page 3: ...the trouble involved with building a custom cable Additionally there is also an MSP430 based platform HPA449 that uses the MSP430F449 microprocessor to which this EVM can connect and interface as wel...

Page 4: ...ement and proper signal routing Place the bypass capacitors as close as possible to the device pins and properly separate the analog and digital signals from each other In the layout process carefully...

Page 5: ...www ti com PCB Design and Performance Figure 2 DAC8554EVM PCB Top Silkscreen Image Figure 3 DAC8554EVM PCB Layer 1 Top Signal Layer SBAU121 January 2006 DAC8554EVM User s Guide 5...

Page 6: ...www ti com PCB Design and Performance Figure 4 DAC8554EVM PCB Layer 2 Ground Plane Figure 5 DAC8554EVM PCB Layer 3 Power Plane DAC8554EVM User s Guide 6 SBAU121 January 2006...

Page 7: ...www ti com PCB Design and Performance Figure 6 DAC8554EVM PCB Layer 4 Bottom Signal Layer Figure 7 DAC8554EVM PCB Bottom Silkscreen Image SBAU121 January 2006 DAC8554EVM User s Guide 7...

Page 8: ...1 Minimum copper conductor width is 7 mils Minimum conductor spacing is 7 mils 12 Number of finished layers 4 13 Board dimensions 3 250 in x 1 7 in 50 15mil 0 381 mm PTH 43 23 622mil 0 6mm PTH 42 39 3...

Page 9: ...www ti com PCB Design and Performance Figure 9 INL and DNL Characterization Graph of DAC A SBAU121 January 2006 DAC8554EVM User s Guide 9...

Page 10: ...www ti com PCB Design and Performance Figure 10 INL and DNL Characterization Graph of DAC B DAC8554EVM User s Guide 10 SBAU121 January 2006...

Page 11: ...www ti com PCB Design and Performance Figure 11 INL and DNL Characterization Graph of DAC C SBAU121 January 2006 DAC8554EVM User s Guide 11...

Page 12: ...www ti com PCB Design and Performance Figure 12 INL and DNL Characterization Graph of DAC D 12 DAC8554EVM User s Guide SBAU121 January 2006...

Page 13: ...05 X7R 10 3 C1 C2 C3 TDK C3216X7R1C106M Multilayer Ceramic Capacitor 10 F 1206 X7R Not 2 C8 C9 TDK Multilayer Ceramic Capacitor 1206 Installed 16 bit Quad Voltage Output Serial Input DAC 11 1 U1 Texas...

Page 14: ...4 1 is connected to the noninverting input of the output op amp U2 JMP16 1 2 J4 5 is connected to the output of the op amp U2 The host processor drives the DAC Thus proper DAC operation depends on a s...

Page 15: ...channels when stacking two EVMs together The DAC8554EVM includes an optional signal conditioning circuit for the DAC output through an external operational amplifier U2 The output op amp is set to uni...

Page 16: ...pen resistor R9 3 4 2 Output Gain of 2 There are two types of configurations that will yield an output gain of 2 depending on the setup of jumpers JMP5 and JMP6 These configurations allow the user to...

Page 17: ...U4 is used for reference buffering U4A while the other half is unused This unused op amp U4B is left for whatever op amp circuit application the user desires to implement The 1206 footprint for the re...

Page 18: ...9 for output gain of 2 5V analog supply is selected for AVDD JMP7 3 3V analog supply is selected for AVDD Routes the adjustable buffered onboard 5V reference to the VREFH input of the DAC8554 JMP8 Rou...

Page 19: ...Function Routes VOUTB to J4 4 JMP12 Routes VOUTB to J4 12 Routes VOUTC to J4 6 JMP13 Routes VOUTC to J4 14 Routes VOUTD to J4 8 JMP14 Routes VOUTD to J4 16 Routes J4 1 to U2 noninverting input JMP15 R...

Page 20: ...www ti com 4 Schematic Schematic DAC8554EVM User s Guide 20 SBAU121 January 2006...

Page 21: ...DVDD 12 LDAC 16 A1 14 GND 6 VrefH 3 VrefL 5 VoutA 1 ENABLE 15 A0 13 VoutD 8 Din 11 SCLK 10 SYNC 9 AVDD 4 VoutC 7 U1 DAC8554IPW A0 2 A1 4 A2 6 A3 8 A4 10 A5 12 A6 14 A7 16 REF 18 REF 20 A0 1 A1 3 A2 5...

Page 22: ...proceeding User assumes all responsibility and liability for proper and safe handling and use of the EVM and the evaluation of the EVM TI shall have no liability for any costs losses or damages result...

Page 23: ...ute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual pro...

Page 24: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments DAC8554EVM...

Reviews: