Low Power Consumption DAC Chip

Low Power Consumption DAC Chip
Details:
Number of bits: 12 bits This means that the DAC chip is capable of resolving and outputting up to 4096 (2^12) different analog voltage values.
Number of digital-to-analog converters: 1
This indicates that the chip is a single-channel DAC, i.e. it has only one analog output.
Build-up time: 4.5µs (standard)
This is the time it takes for the DAC to go from receiving a digital input to stabilizing the output of the corresponding analog voltage.
Output Type: Voltage - Buffered
The output signal is buffered for better stability and drive capability.
Differential Output: None
Indicates that the DAC chip is a single-ended output, not a differential output.
Data Interface: SPI
SPI (Serial Peripheral Interface) is used for digital signal input and configuration.
Reference Type: External
Requires an externally supplied reference voltage for digital-to-analog conversion.
Supply Voltage: Digital 2.7V~5.5V
The supply voltage range of the chip ensures that the chip can work properly within this range.
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Description
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Introduction

Low Power Consumption DAC Chip (MCP4921) - Single-channel voltage output DAC with high precision, low power consumption and fast response, widely used in industrial control, instrumentation and portable electronic devices.

 

High Precision and Low Noise
The MCP4921 features 12-bit resolution, rail-to-rail voltage output, and low noise.

 

Low Power Design
Under typical operating conditions, the chip consumes only 175µA of supply current and supports a low-power mode.

 

Programmable and Flexible Configuration
Gain (1x or 2x), full-scale output range (VREF or 2*VREF), and operating mode can be configured via the SPI interface.

 

Fast Response
With an output settling time of only 4.5µs, it responds quickly to changes in digital inputs, meeting the real-time requirements of high-speed data acquisition and control systems.

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Applications
Industrial Control Systems: Motor Drive Control, Automation Control Modules

Precision Instruments: Test and Measurement Equipment, Signal Simulation and Output

Portable Electronic Devices: Handheld Medical Devices, Low-Power Data Loggers

Communications and Embedded Systems: RF Modules, Embedded Control Units

 

Product Customization

Interface Customization: Supports SPI configuration optimization to meet the requirements of different communication protocols.

Power and Power Consumption: Low-power mode parameters can be adjusted according to customer needs.

Packaging: Available in a variety of packages for easy integration in various application environments.

Output Characteristics: Customizable gain range, reference voltage configuration, and other parameters.

 

Company Strengths
Industry Experience: Founded in 2008, we have nearly two decades of experience in the electronic components and PCB fields.

 

Production Capacity: We can manufacture PCBs up to 32 layers, covering a variety of materials including FR-4, FPC, high-frequency boards, copper substrates, and aluminum substrates.

 

Advanced Equipment: We have high-speed SMT placement machines, AOI inspection, reflow soldering, CNC machining centers, and laser cutting machines to ensure efficiency and precision.

 

Quality Certification: We are ISO 9001, ISO 14001, and ISO 45001 certified, and some products are RoHS and CE certified.

 

Customer Trust: We have long-term partnerships with numerous international OEMs and distributors, and our products and services are widely recognized.

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