DAC7565IAPWG4

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC7565IAPWG4 is a high-performance, 12-bit digital-to-analog converter designed for various applications that require precise analog output generation. It is commonly used in industrial automation, test and measurement equipment, audio systems, and communication devices.

Characteristics: - Resolution: 12 bits - Number of Channels: 4 - Interface: Serial Peripheral Interface (SPI) - Output Type: Voltage - Supply Voltage Range: 2.7V to 5.5V - Operating Temperature Range: -40°C to +105°C

Package: The DAC7565IAPWG4 is available in a small-sized TSSOP-16 package, which ensures ease of integration into space-constrained designs.

Essence: This DAC offers high accuracy and stability in converting digital signals to analog voltages. It provides precise control over the output voltage levels, making it suitable for applications that demand accurate analog outputs.

Packaging/Quantity: The DAC7565IAPWG4 is typically sold in reels containing 250 units per reel.

Specifications

• Resolution: 12 bits
• Number of Channels: 4
• Output Type: Voltage
• Output Voltage Range: 0V to Vref
• Reference Voltage Range: 2.5V to 5.5V
• Integral Non-Linearity (INL): ±1 LSB (max)
• Differential Non-Linearity (DNL): ±1 LSB (max)
• Settling Time: 10 µs (typ)
• Power Supply Rejection Ratio (PSRR): 80 dB (typ)
• Total Harmonic Distortion (THD): -90 dB (typ)
• Operating Temperature Range: -40°C to +105°C

Pin Configuration

The DAC7565IAPWG4 features a TSSOP-16 package with the following pin configuration:

___________ Vref |1 16| VDD A |2 15| CS B |3 14| SCLK C |4 13| DIN D |5 12| LDAC E |6 11| GND F |7 10| OUTB G |8 9| OUTA ‾‾‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• High-resolution digital-to-analog conversion
• Four independent output channels
• SPI interface for easy integration with microcontrollers and other digital devices
• Low power consumption
• Power-on reset to ensure predictable startup behavior
• Software and hardware LDAC (Load DAC) functionality for simultaneous update of multiple channels
• Internal reference voltage or external reference option for flexibility in design

Advantages and Disadvantages

Advantages: - High accuracy and stability in analog output generation - Compact package size for space-constrained designs - Wide operating temperature range for versatile applications - Multiple channels for simultaneous control of multiple outputs - Flexible reference voltage options

Disadvantages: - Limited resolution compared to higher-end DACs - Requires an external microcontroller or digital device for control and communication

Working Principles

The DAC7565IAPWG4 operates by converting digital input signals received through the SPI interface into corresponding analog voltages. It utilizes a precision internal reference voltage or an external reference voltage to generate accurate analog outputs. The digital input values are converted into 12-bit binary codes, which are then transformed into analog voltages proportional to the input values. These analog voltages can be used to control various parameters in different applications.

Detailed Application Field Plans

The DAC7565IAPWG4 finds extensive application in various fields, including:

1. Industrial Automation: Used for precise control of motor speed, position control, and process control in manufacturing systems.
2. Test and Measurement Equipment: Enables accurate signal generation for calibration, waveform synthesis, and sensor testing.
3. Audio Systems: Provides high-fidelity audio signal generation for professional audio equipment, musical instruments, and sound reproduction systems.
4. Communication Devices: Used in wireless communication systems, base stations, and transceivers for generating accurate modulation signals.

Detailed and Complete Alternative Models

1. DAC8564IAPWG4: Similar to DAC7565IAPWG4 but with 16-bit resolution and 4 channels.
2. DAC7321EVM: Evaluation module featuring a 12-bit, single-channel DAC with SPI interface.
3. AD5667RBRMZ-1: 16-bit, quad-channel DAC with I2C interface and internal