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MCP4922-E/SL

Dual 12-bit DAC, SPI, 2.7-5.5V, 4.5us settling, SOIC-14, AEC-Q100

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Manufacturer Part：

MCP4922-E/SL

Package：

SOIC-14 (8.65 x 3.9 x 1.5 mm)

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Description

Product Overview

The MCP4922-E/SL from Microchip Technology is a dual-channel 12-bit voltage output Digital-to-Analog Converter (DAC) with SPI interface and external voltage reference. Operating from 2.7V to 5.5V with 350 uA typical current consumption and 4.5 us settling time, it is available in a 14-pin SOIC package rated for extended temperature (-40C to +125C) and AEC-Q100 Grade 1 qualified.

Key Specifications

Resolution 12-bit
Channels 2 (Dual)
Interface SPI (up to 20 MHz)
Supply Voltage 2.7V to 5.5V
Output Settling Time 4.5 us
INL (typ) +/-2 LSB
DNL (max) +/-0.75 LSB
Operating Current 350 uA typical
Package SOIC-14 (8.65 x 3.9 mm)
Operating Temperature -40C to +125C

Features

  • 12-bit resolution with dual channel output
  • External voltage reference input (VREF)
  • Fast settling time: 4.5 us
  • SPI interface up to 20 MHz clock
  • AEC-Q100 Grade 1 qualified for automotive
  • Shutdown mode reduces current to 0.1 uA

Applications

  • Set point and offset adjustment
  • Sensor calibration and trimming
  • Motor speed control references
  • Audio volume and gain control

The MCP4922-E/SL from Microchip Technology is a dual-channel 12-bit voltage output DAC with an SPI interface and external voltage reference pin. It provides high accuracy with INL of +/-2 LSB typical and DNL of +/-0.75 LSB maximum. The device operates from 2.7V to 5.5V with typical current consumption of 350 uA, making it suitable for both portable and industrial applications. The SPI interface supports clock rates up to 20 MHz for fast data loading. AEC-Q100 Grade 1 qualification makes it suitable for automotive applications. An optional shutdown mode reduces power consumption to 0.1 uA for battery-powered designs.

The MCP4922-E/SL uses a resistor-string DAC architecture with an output buffer amplifier. The 12-bit digital input code selects a tap point on the resistor string, which is buffered to produce the analog output voltage. The output voltage is determined by: VOUT = VREF * (D / 4096) * (2 * GAIN), where D is the 12-bit digital code (0-4095) and GAIN is selectable as 1x or 2x via the SPI command. The external VREF pin allows the output range to be set independently of the supply voltage. The SPI interface loads a 16-bit command word containing channel select, output gain, shutdown control, and 12-bit data. Both DAC channels share the same VREF input.

Pin Name Type Function
1 VDD Power Supply voltage 2.7-5.5V
2 CS# Input SPI chip select (active low)
3 SCK Input SPI clock input
4 SDI Input SPI serial data input
5 LDAC# Input Latch DAC input (active low, for simultaneous update)
6 SHDN# Input Hardware shutdown (active low)
7 VOUTB Output DAC channel B analog output
8 AVSS Ground Analog ground
9 VREF Input External voltage reference input
10 VOUTA Output DAC channel A analog output
11 SDO Output SPI serial data output (daisy-chain)
  • Set point and offset adjustment in industrial control
  • Sensor calibration and trimming circuits
  • Motor speed and torque control voltage references
  • Audio volume, balance, and gain control
  • Automotive actuator position control
Manufacturer Part Number Package Notes
Microchip MCP4922-E/P PDIP-14 Through-hole version
Microchip MCP4922-E/ST TSSOP-14 Smaller TSSOP package
Microchip MCP4912-E/SL SOIC-14 10-bit resolution, lower cost
Microchip MCP4902-E/SL SOIC-14 8-bit resolution, lowest cost
TI DAC7513E/2K5 SOT-23-6 Single 12-bit DAC, smaller package
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Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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