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TI DAC81408RHAR product image
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TI DAC81408RHARRoHS

Manufacturer
TI
MPN
DAC81408RHAR
LCSC Part #
C2680134
Packaging
QFN-40-EP(6x6)
Customer #
Key Attributes
8-channel high-voltage output DAC with internal reference voltage
Datasheetpdf iconTI DAC81408RHAR
In-Stock: 54
54 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 26.7421$ 26.74
3+$ 25.5583$ 76.67
30+$ 24.3745$ 731.24
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Data Acquisition/Digital to Analog Converters (DAC)
ManufacturerTI
PackagingQFN-40-EP(6x6)
Settling Time12us
Operating Temperature-40℃~+125℃
Voltage - Supply1.7V~5.5V
Quiescent Current (Iq)500uA
FunctionBuilt-in reference source;Differential output;Power-on reset;Soft reset;Power-down mode;Built-in temperature sensor;Over temperature protection
Integral non - linearity1LSB
Number of Channels8
Resolution (Bits)16;-
Interface TypeSPI
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The DAC81408, DAC71408, and DAC61408 (DACx1408) are an 8-channel buffered high-voltage output digital-to-analog converter (DAC) product series with pin compatibility and 16/14/12-bit resolution. The DACx1408 includes a low-drift 2.5V internal voltage reference, eliminating the need for an external precision reference in most applications. These devices are monotonic and offer high linearity of ±1 LSB INL. Users can choose the output configuration, including full-scale bipolar output voltages of ±20V, ±10V, ±5V, or ±2.5V and full-scale unipolar output voltages of 40V, 20V, 10V, or 5V. Moreover, the full-scale output voltage of each DAC channel can be individually programmed and controlled. The integrated DAC output buffer can sink or source up to 25mA, reducing the need for additional operational amplifiers. Each channel pair can be configured to provide a differentially output with offset calibration. Up to three frequencies of dither signals can be generated through three dedicated A - B switching pins. The DACx1408 includes a power-on reset circuit that connects the DAC outputs to ground when power is applied. The outputs will remain in this state until the device registers are properly configured for operation. Communication with the DACx1408 is via a 4-wire serial interface that supports an operating voltage of 1.7V to 5.5V.

Features

AI Translation
  • Monotonic at 16-bit resolution
  • INL: ±1 LSB (max) at 16-bit resolution
  • TUE: ±0.1% FSR (max)
  • Integrated 2.5V precision internal reference — initial accuracy: ±2.5mV (max); low tempco: 5ppm/°C (typ)
  • Flexible output configuration
  • Output ranges: ±2.5V, ±5V, ±10V, ±20V, 0 to 5V, 0 to 10V, 0 to 20V, 0 to 40V differential output mode
  • High drive capability: ±25mA (1.5V swing from supply rails)
  • Three dedicated A-B toggle pins for dither signal generation
  • Analog temperature output sensor gain: -4mV/°C
  • 50MHz SPI-compatible serial interface — 4-wire mode, 1.7V to 5.5V operation, daisy-chain operation, CRC error check
  • Temperature range: -40°C to +125°C
  • Compact package: 6mm×6mm, 40-pin VQFN

Applications

AI Translation
  • Fiber optic networks: Mach-Zehnder modulator bias control
  • Industrial automation
  • Test and measurement