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DAC53401_V01 Datasheet(Hoja de datos) 9 Page - Texas Instruments

No. de Pieza. DAC53401_V01
Descripción  DACx3401 10-Bit and 8-Bit, Voltage-Output Digital-to-Analog Converters With Nonvolatile Memory and PMBus™ Compatible I2C Interface in Tiny 2 × 2 WSON
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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 9 page
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DAC
Register
DAC
Buffer
BUF
Power Down Logic
Power-On Reset
AGND
VDD
DAC
Internal
Reference
Nonvolatile
Memory (NVM)
CAP
LDO
+
±
FB
OUT
A0
SDA
SCL
R
R
9
DAC53401, DAC43401
www.ti.com
SLASES7 – JULY 2019
Product Folder Links: DAC53401 DAC43401
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Copyright © 2019, Texas Instruments Incorporated
8 Detailed Description
8.1 Overview
The 10-bit DAC53401 and 8-bit DAC43401 (DACx3401) are a pin-compatible family of buffered voltage-output,
digital-to-analog converters (DACs). These DACs contain nonvolatile memory (NVM), an internal reference, and
a PMBus-compatible I2C interface. The DACx3401 operate with either an internal reference or with a power
supply as the reference, and provide a full-scale output of 1.8 V to 5.5 V.
The devices communicate through an I2C interface. These devices support I2C standard mode (100 kbps), fast
mode (400 kbps), and fast+ mode (1 Mbps). These devices also support specific PMBus commands such as turn
on/off, margin high/low, and more. The DACx3401 also include digital slew rate control, and support basic signal
generation such as square, ramp, and sawtooth waveforms.
The DACx3401 devices have a power-on-reset (POR) circuit that makes sure all the registers start with default or
user-programmed settings using NVM. The DAC output powers on in high-impedance mode (default); this setting
can be programmed to 10k
Ω-GND using NVM.
8.2 Functional Block Diagram




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