DAC7644E

Name: DAC7644E
Brand: Texas Instruments
Rating: 4.5 (10 reviews)
Author: Lisleapex

16-bit SSOP-48-300mil DAC7644E for 5V voltage supply

3,903 Effective Inventory

DAC7644E

Effective Inventory3,903

16-bit SSOP-48-300mil DAC7644E for 5V voltage supply

Manufacturer Part # : DAC7644E
Package/Case: SSOP (DL)-48
Brand: Texas Instruments
Product Categories : Digital to Analog Converters (DAC)
Series : DAC7644

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DAC7644E DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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DAC7644E Details

The DAC7644E is a micro-power, quad 12-bit voltage output digital-to-analog converter (DAC) from Texas Instruments, designed for precision voltage generation in various applications. This DAC offers four output channels with 12-bit resolution, ensuring accurate and reliable analog output. It is ideal for applications requiring multiple analog voltage outputs with low power consumption.

Pinout

1 (VDD): Positive Power Supply
2 (OUTA): Analog Output Channel A
3 (OUTB): Analog Output Channel B
4 (OUTC): Analog Output Channel C
5 (OUTD): Analog Output Channel D
6 (AGND): Analog Ground
7 (VREF): Reference Voltage Input
8 (DGND): Digital Ground
9-12 (DB0-DB3): Digital Inputs for Data
13 (CS): Chip Select
14 (SCLK): Serial Clock Input
15 (SDIN): Serial Data Input
16 (CLR): Clear Input

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Quad Output Channels: Provides four independent 12-bit DAC outputs.
Low Power Consumption: Micro-power design for energy-efficient operation.
Precision Voltage Output: Ensures accurate and stable analog voltage generation.
SPI Interface: Supports serial peripheral interface for simple communication with microcontrollers.
Wide Voltage Range: Operates over a wide voltage supply range for versatile usage.

Application

Instrumentation: Ideal for precision instrumentation and measurement systems.
Signal Generation: Used in signal generation and waveform synthesis applications.
Control Systems: Suitable for analog control systems and voltage regulation circuits.

Where to Use

The DAC7644E is suitable for applications that require multiple precision voltage outputs with low power consumption. It is commonly used in instrumentation, signal generation, and control systems for accurate and stable voltage generation.

How to Use

Connect the DAC7644E to your microcontroller or control system using the SPI interface for communication. Provide the necessary power supply voltages to VDD and VREF. Use the digital inputs for data transfer and follow the timing requirements for proper operation. Refer to the datasheet for detailed configuration and usage instructions.

Application Circuit

The application circuit diagram for the DAC7644E illustrates how to connect the DAC to your system for voltage output generation. It includes connections for power supplies, ground, digital inputs, and the analog output channels to ensure correct functionality.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

DAC8800: A similar quad 12-bit DAC from Analog Devices with comparable features.
MCP4822: An alternative dual 12-bit DAC from Microchip offering similar functionality.

Complementary

The DAC7644E can be complemented by the DAC7744, which offers higher resolution and additional features for more demanding applications requiring increased precision.

When selecting complementary DACs, ensure compatibility and alignment with your system requirements for optimal performance.

Frequently Asked Questions

Q: What is the resolution of each DAC channel in the DAC7644E?

A: Each DAC channel in the DAC7644E provides 12-bit resolution for accurate voltage output generation. Refer to the datasheet for detailed specifications.

Q: Is the DAC7644E suitable for battery-powered applications?

A: Yes, the DAC7644E's low power consumption makes it suitable for battery-powered systems requiring precision voltage output generation.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Resolution (Bits)	16	Number of DAC channels	4
Interface type	Parallel	Output type	Buffered Voltage
Settling time (µs)	10	Features	Reset to Mid-Scale
Reference type	Ext	Architecture	R-2R
Rating	Catalog	Output range (max) (mA/V)	2.5
Output range (min) (mA/V)	-2.5	Sample/update rate (Msps)	0.1
Power consumption (typ) (mW)	7.5	Operating temperature range (°C)	-40 to 85

FAQs

What is DAC7644E?

The DAC7644E is a quad 16-bit digital-to-analog converter (DAC) designed by Texas Instruments. It is suitable for applications requiring multiple high-precision analog outputs, such as industrial control systems, test and measurement equipment, and audio processing systems.

How Does DAC7644E Work?

The DAC7644E works by converting digital input data into corresponding analog voltage outputs with high precision and accuracy. It utilizes a 16-bit resolution for each of its four channels, providing fine granularity in voltage control. The DAC features a serial interface for easy communication with microcontrollers or digital signal processors.

How Many Pins does DAC7644E have and What are the Functions of the Pinout Configuration?

The DAC7644E is housed in a 16-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:

VDD, VSS: Power supply pins.
A, B, C, D: Analog voltage output pins for channels 1 to 4, respectively.
SCLK: Serial clock input for data communication.
SDI: Serial data input.
CS: Chip select for serial interface control.
LDAC: Load DAC, used to latch input data to the DAC registers.

What are the Pros and Cons of DAC7644E?

Pros:

Quad DAC: Provides four independent 16-bit DACs in a single package, saving board space and cost.
High Resolution: Offers 16-bit resolution for precise analog voltage generation.
Serial Interface: Features a serial interface for easy integration with digital systems.
Low Glitch Energy: Minimizes transient voltage output errors during updates.
Wide Voltage Output Range: Supports a wide output voltage range for flexibility in applications.

Cons:

Complexity: Requires careful consideration of grounding and noise for optimal performance.
External Components: May require external voltage reference and op-amps for specific applications.
Cost: Higher resolution and multiple channels may result in a higher overall cost.

Are There Any Equivalents/Alternatives to DAC7644E for Recommendation?

The DAC8564 from Texas Instruments is a similar quad 16-bit DAC with additional features.
Alternatives to the DAC7644E include the AD5544 from Analog Devices and the MAX5715 from Maxim Integrated.