DAC7562TDGSR

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC7562TDGSR is a high-performance, dual-channel, 12-bit digital-to-analog converter. It is designed to convert digital signals into analog voltages with high precision and accuracy.

Characteristics: - Dual-channel: Provides two independent output channels for simultaneous conversion. - 12-bit resolution: Offers a wide range of possible output voltage levels. - High accuracy: Ensures precise conversion of digital signals into analog voltages. - Low power consumption: Operates efficiently with minimal power requirements. - Small package size: Comes in a compact package, suitable for space-constrained applications. - Wide temperature range: Can operate reliably in extreme temperature conditions.

Package: The DAC7562TDGSR is available in a small form factor package, making it suitable for use in various electronic devices and systems.

Essence: The DAC7562TDGSR is an essential component in systems that require accurate and reliable conversion of digital signals into analog voltages. It enables the generation of precise analog waveforms, which are crucial in many applications.

Packaging/Quantity: The DAC7562TDGSR is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Resolution: 12 bits
• Number of Channels: 2
• Output Voltage Range: 0V to Vref
• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +105°C
• Interface: Serial Peripheral Interface (SPI)
• Power Consumption: 1.8mW (typical)

Pin Configuration

The DAC7562TDGSR has a total of 16 pins, which are assigned specific functions as follows:

1. VDD: Power supply voltage
2. VREF: Reference voltage input
3. AGND: Analog ground
4. OUTA: Analog output channel A
5. OUTB: Analog output channel B
6. DGND: Digital ground
7. DIN: Serial data input
8. SCLK: Serial clock input
9. SYNC: Chip select input
10. LDAC: Load DAC input
11. CLR: Clear input
12. A0: Address bit 0
13. A1: Address bit 1
14. A2: Address bit 2
15. VLOGIC: Logic supply voltage
16. NC: No connection

Functional Features

• Simultaneous Conversion: The DAC7562TDGSR can convert digital signals into analog voltages on both channels simultaneously.
• High Accuracy: It provides excellent linearity and low integral non-linearity, ensuring accurate conversion.
• Low Glitch: Minimizes unwanted transients during output voltage changes.
• Power-On Reset: Automatically initializes the DAC outputs to zero-scale or midscale voltage upon power-up.
• Software Control: The DAC7562TDGSR can be easily controlled and programmed through the SPI interface.

Advantages and Disadvantages

Advantages: - Dual-channel capability allows for simultaneous conversion. - High accuracy ensures precise analog voltage generation. - Low power consumption makes it suitable for battery-powered devices. - Small package size enables use in space-constrained applications. - Wide temperature range allows for reliable operation in various environments.

Disadvantages: - Limited resolution of 12 bits may not be sufficient for some high-precision applications. - Requires an external reference voltage source.

Working Principles

The DAC7562TDGSR operates by converting digital input codes into corresponding analog voltages using a resistive ladder network. The digital input codes are received through the SPI interface and are then converted into analog voltages on both output channels. The accuracy of the conversion is determined by the resolution of the DAC and the quality of the reference voltage.

Detailed Application Field Plans

The DAC7562TDGSR finds applications in various fields, including:

1. Audio Systems: It can be used to generate high-quality audio signals for amplifiers, mixers, and digital audio equipment.
2. Industrial Automation: It enables precise control of analog actuators and sensors in industrial automation systems.
3. Test and Measurement Equipment: The DAC7562TDGSR is suitable for generating calibrated test signals in laboratory instruments and data acquisition systems.
4. Communication Systems: It can be utilized in communication systems for signal modulation and demodulation purposes.
5. Automotive Electronics: The DAC7562TDGSR is used in automotive applications such as engine control units, infotainment systems, and climate control systems.

Alternative Models

1. DAC8562TDGSR: Similar to the DAC7562TDGSR but with a higher resolution of 16 bits.
2. DAC7321EVM: A single