DAC7558IRHBTG4

Overview

Product Category: Digital-to-Analog Converter (DAC)

Use: The DAC7558IRHBTG4 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: 8 - Interface: Serial Peripheral Interface (SPI) - Supply Voltage: 2.7V to 5.5V - Output Range: 0V to Vref - Package Type: VQFN-32 - Temperature Range: -40°C to +125°C

Package and Quantity: The DAC7558IRHBTG4 is available in a VQFN-32 package, which stands for Very Thin Quad Flat No-Lead. This package offers a compact size and excellent thermal performance. The product is typically sold in reels containing a specific quantity, such as 2500 units per reel.

Specifications

The DAC7558IRHBTG4 provides the following specifications:

• Resolution: 12 bits
• Monotonicity: Guaranteed
• Integral Nonlinearity (INL): ±1 LSB (max)
• Differential Nonlinearity (DNL): ±0.5 LSB (max)
• Settling Time: 10 µs (typ)
• Output Current: ±2 mA (max)
• Power Consumption: 0.6 mW (typ) at 3.3V supply voltage
• Reference Voltage Range: 2.5V to VDD
• Output Voltage Range: 0V to Vref

Pin Configuration

The DAC7558IRHBTG4 features a 32-pin VQFN package with the following pin configuration:

1. VDD
2. VREF
3. AGND
4. AOUT0
5. AOUT1
6. AOUT2
7. AOUT3
8. AOUT4
9. AOUT5
10. AOUT6
11. AOUT7
12. DGND
13. SCLK
14. DIN
15. SYNC
16. LDAC
17. CLR
18. REFSEL
19. GAIN0
20. GAIN1
21. GAIN2
22. GAIN3
23. GAIN4
24. GAIN5
25. GAIN6
26. GAIN7
27. GAIN8
28. GAIN9
29. GAIN10
30. GAIN11
31. GAIN12
32. GAIN13

Functional Features

• High-resolution digital-to-analog conversion
• Eight independent output channels
• Low power consumption
• SPI interface for easy communication with microcontrollers or other devices
• Flexible gain and reference voltage selection options
• Monotonic performance ensures accurate output generation
• Fast settling time for rapid response applications

Advantages and Disadvantages

Advantages: - High resolution and accuracy - Multiple output channels for versatile applications - Low power consumption for energy-efficient designs - Wide supply voltage range allows compatibility with various systems - Compact package size for space-constrained designs

Disadvantages: - Limited output current capability - Requires an external reference voltage source - Higher cost compared to lower-resolution DACs

Working Principles

The DAC7558IRHBTG4 operates by converting digital input codes into corresponding analog voltages. It utilizes a 12-bit resolution, allowing it to generate precise analog outputs. The device communicates with a microcontroller or other digital devices through the SPI interface, enabling easy control and configuration.

The DAC7558IRHBTG4 uses an internal reference voltage or an external reference voltage source to determine the output voltage range. The digital input codes received via the SPI interface are converted into analog voltages, which are then available at the respective output channels.

Detailed Application Field Plans

The DAC7558IRHBTG4 finds applications in various fields, including:

1. Industrial Automation: Used for controlling analog actuators, such as valves, motors, and pumps, in industrial automation systems.
2. Test and Measurement Equipment: Provides accurate analog signals for calibration, signal generation, and sensor testing in test and measurement instruments.
3. Audio Systems: Enables high-fidelity audio signal generation in audio equipment, such as amplifiers, mixers, and digital audio workstations.
4. Communication Devices: Used for generating precise analog signals in communication devices, including transceivers, modems, and wireless routers.

Alternative Models

If the DAC7558IRHBTG4 does not meet specific requirements, alternative models with similar functionality include:

1. DAC855