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DAC11001A Datasheet(PDF) 32 Page - Texas Instruments

No. de Pieza. DAC11001A
Descripción  DACx1001 20-Bit, 18-Bit, and 16-Bit, Low-Noise, Ultra-Low Harmonic Distortion, Fast-Settling, High-Voltage Output, Digital-to-Analog Converters (DACs)
Descarga  42 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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DAC11001A Datasheet(HTML) 32 Page - Texas Instruments

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DAC11001A, DAC91001, DAC81001
SLASEL0 – OCTOBER 2019
www.ti.com
Product Folder Links: DAC11001A DAC91001 DAC81001
Submit Documentation Feedback
Copyright © 2019, Texas Instruments Incorporated
9.4 What to Do and What Not to Do
9.4.1 What to Do
Follow recommended grounding, decoupling, and layout schemes for achieving best accuracy.
Use a low-jitter LDAC source for best ac performance.
Choose the appropriate amplifiers depending on the application requirements as explained in above sections.
9.4.2 What Not to Do
Do not apply the reference before the DAC power supplies are powered on.
Do not use the reference source directly with the DAC reference inputs without using buffers. or else the
accuracy drastically degrades.
9.5 Initialization Set Up
The following text shows the pseudocode to get started with the DACx1001:
//SPI Settings
//Mode: Mode-1 (CPOL: 0, CPHA: 1)
//CS Type: Active Low, Per Packet
//Frame length: 32
//SYNTAX: WRITE <REGISTER (HEX ADDRESS>, <HEX DATA>
//Select VREF, TnH mode (Good THD), LDAC mode and power-up the DAC
WRITE CONFIG (0x02), 0x004C80
//Write zero code to the DAC
WRITE DACDATA (0x01), 0x000000
//Write mid code to the DAC
WRITE DACDATA (0x01), 0x7FFFF0
//Write full code to the DAC
WRITE DACDATA (0x01), 0xFFFFF0


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