DAC7643VFRG4

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC7643VFRG4 is a high-performance, 16-bit digital-to-analog converter designed for precision applications. It converts digital input signals into analog output voltages with exceptional accuracy and linearity.

Characteristics: - High resolution: 16-bit - Low integral nonlinearity (INL): ±2 LSB - Low differential nonlinearity (DNL): ±0.5 LSB - Wide operating voltage range: 2.7V to 5.5V - Low power consumption: 1.5mW at 3V supply - Rail-to-rail output voltage swing - Fast settling time: 10µs - Small package size: VQFN-32

Package: The DAC7643VFRG4 is available in a VQFN-32 package, which stands for Very Thin Quad Flat No-Lead. This package offers a compact footprint and excellent thermal performance.

Essence: The essence of the DAC7643VFRG4 lies in its ability to accurately convert digital signals into precise analog voltages, making it suitable for a wide range of applications that require high-resolution and low-noise analog outputs.

Packaging/Quantity: The DAC7643VFRG4 is typically sold in reels containing 250 units per reel.

Specifications

• Resolution: 16 bits
• Number of channels: 1
• Supply voltage range: 2.7V to 5.5V
• Output voltage range: 0V to Vref
• Integral nonlinearity (INL): ±2 LSB
• Differential nonlinearity (DNL): ±0.5 LSB
• Settling time: 10µs
• Power consumption: 1.5mW (typical)
• Operating temperature range: -40°C to +105°C

Pin Configuration

The DAC7643VFRG4 has a total of 32 pins, which are assigned specific functions as follows:

Pin Number | Pin Name | Function -----------|----------|--------- 1 | VDD | Positive supply voltage 2 | VSS | Ground 3 | REF | Reference voltage input 4 | AGND | Analog ground 5 | AOUT | Analog output voltage 6-21 | D0-D15 | Digital input data bits 22 | CS | Chip select input 23 | SCLK | Serial clock input 24 | DIN | Serial data input 25 | LDAC | Load DAC input 26 | CLR | Clear DAC input 27 | GAIN | Gain control input 28-32 | NC | No connection

Functional Features

• High-resolution digital-to-analog conversion
• Low nonlinearity and low noise performance
• Wide operating voltage range for flexibility in various applications
• Fast settling time for rapid response
• Rail-to-rail output swing for maximum output range
• Small package size for space-constrained designs

Advantages and Disadvantages

Advantages: - High resolution and accuracy - Low power consumption - Wide operating voltage range - Compact package size - Fast settling time

Disadvantages: - Limited number of channels (only 1 channel) - Relatively high cost compared to lower-resolution DACs

Working Principles

The DAC7643VFRG4 utilizes a digital-to-analog conversion technique known as pulse-width modulation (PWM). It accepts digital input data and converts it into an analog output voltage by varying the width of the output pulse. The width of the pulse is determined by the input data, and the resulting average voltage represents the desired analog value.

Detailed Application Field Plans

The DAC7643VFRG4 finds applications in various fields that require high-precision analog outputs, such as: 1. Industrial automation and control systems 2. Test and measurement equipment 3. Audio processing and synthesis 4. Medical instrumentation 5. Precision motor control 6. Data acquisition systems 7. Programmable logic controllers (PLCs) 8. Communication systems

Detailed and Complete Alternative Models

1. DAC7611 - 12-bit digital-to-analog converter with similar features but lower resolution.
2. DAC8830 - 16-bit digital-to-analog converter with higher accuracy and lower power consumption.
3. DAC8564 - 16-bit digital-to-analog converter with multiple channels for simultaneous conversion.
4. DAC124S085 - 12-bit digital-to-analog converter with low power consumption and small package size.
5. DAC5578 - 16-bit digital-to-analog converter with integrated EEPROM for