DAC7611U/2K5

Product Overview

• Category: Digital-to-Analog Converter (DAC)
• Use: Converts digital signals into analog voltage or current outputs
• Characteristics: High precision, low power consumption, small package size
• Package: 16-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Provides accurate and reliable conversion of digital data to analog signals
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel

Specifications

• Resolution: 12 bits
• Number of Channels: 1
• Output Type: Voltage or Current
• Output Range: 0V to Vref (Voltage mode) or 4mA to 20mA (Current mode)
• Supply Voltage: 2.7V to 5.5V
• Power Consumption: 0.6mW (typical)
• Operating Temperature Range: -40°C to +105°C

Pin Configuration

The DAC7611U/2K5 has the following pin configuration:

1. VDD - Positive supply voltage
2. VREF - Reference voltage input
3. AGND - Analog ground
4. OUT - Analog output
5. DGND - Digital ground
6. DIN - Serial data input
7. SCLK - Serial clock input
8. CS - Chip select input
9. LDAC - Load DAC input
10. CLR - Clear input
11. A0 - Address input bit 0
12. A1 - Address input bit 1
13. A2 - Address input bit 2
14. A3 - Address input bit 3
15. A4 - Address input bit 4
16. VSS - Negative supply voltage

Functional Features

• High accuracy and linearity
• Low power consumption
• Fast settling time
• Serial interface for easy integration with microcontrollers or digital systems
• Power-on reset function for initialization
• Software and hardware shutdown modes for power saving

Advantages and Disadvantages

Advantages

• High precision conversion of digital signals to analog outputs
• Low power consumption makes it suitable for battery-powered applications
• Small package size allows for space-constrained designs
• Wide operating temperature range enables usage in harsh environments

Disadvantages

• Limited to single-channel output
• Requires an external reference voltage source

Working Principles

The DAC7611U/2K5 utilizes a digital-to-analog conversion technique called pulse-width modulation (PWM). It converts the incoming serial digital data into a corresponding analog voltage or current output. The resolution of 12 bits ensures high accuracy and fine-grained control over the output signal.

Detailed Application Field Plans

The DAC7611U/2K5 finds applications in various fields, including:

1. Industrial Automation: Control of motor speed, valve positioning, and process variable control.
2. Test and Measurement Equipment: Generation of precise analog signals for testing and calibration purposes.
3. Audio Systems: Digital audio processing, volume control, and equalization.
4. Instrumentation: Calibration of sensors, signal conditioning, and data acquisition systems.
5. Communication Systems: Analog modulation, frequency synthesis, and waveform generation.

Detailed and Complete Alternative Models

1. DAC7612U/2K5: Similar to DAC7611U/2K5 but with dual-channel output capability.
2. DAC7614U/2K5: Quad-channel version of the DAC7611U/2K5.
3. DAC7615U/2K5: Five-channel variant with additional features such as internal reference voltage.

These alternative models offer expanded functionality and flexibility depending on the specific application requirements.

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