Overview
The DAC8043GPZ is a high-accuracy 12-bit CMOS multiplying digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is packaged in a space-saving 8-lead PDIP or 8-pin SOIC package, making it ideal for applications where board space is limited. The DAC8043GPZ features a serial data input interface, double buffering, and excellent linearity and stability over a wide temperature range.
It operates from a single +5V power supply and is designed for ease of operation with microprocessors, offering a 3-wire serial interface that minimizes digital noise feedthrough and reduces circuit complexity. The device includes a 12-bit serial-in, parallel-out shift register, a 12-bit DAC register, and control logic, making it a versatile solution for various analog control applications.
Key Specifications
| Parameter | Symbol | Conditions | Limit | Units |
|---|---|---|---|---|
| Resolution | N | - | 12 Bits | - |
| Integral Nonlinearity (INL) | INL | - | ±1 LSB max | - |
| Differential Nonlinearity (DNL) | DNL | - | ±1 LSB max | - |
| Gain Error | GFSE | Using Internal Feedback Resistor | ±2 LSB max | - |
| Power Supply Rejection Ratio (PSRR) | PSRR | ΔVDD = ±5% | - | - |
| Supply Voltage | VDD | - | +5V | V |
| Reference Voltage | VREF | - | +10V | V |
| Temperature Coefficient | - | - | <5 ppm/°C max | ppm/°C |
Key Features
- 12-bit accuracy with integral nonlinearity (INL) and differential nonlinearity (DNL) of ±1 LSB max.
- Fast 3-wire serial interface compatible with TTL/CMOS logic, reducing digital noise feedthrough and circuit complexity.
- Low gain temperature coefficient of 5 ppm/°C max, ensuring high stability over temperature.
- Operates from a single +5V power supply, making it a low-power solution.
- ESD protection on digital inputs to prevent damage from static charges.
- Double buffering and serial data input for easy microprocessor control).
Applications
- Automatic calibration systems: The high accuracy and stability of the DAC8043GPZ make it suitable for calibration applications.
- Motion control: Used in systems that require precise analog control for motor control and positioning).
- Microprocessor control systems: Ideal for integrating with microprocessors for various control applications).
- Programmable amplifiers/attenuators: Can be used to create programmable gain stages in analog circuits).
- Digitally controlled filters: Used in filter circuits where the filter characteristics need to be dynamically adjusted).
Q & A
- What is the resolution of the DAC8043GPZ?
The DAC8043GPZ has a resolution of 12 bits).
- What is the typical supply voltage for the DAC8043GPZ?
The DAC8043GPZ operates from a single +5V power supply).
- What is the temperature coefficient of the DAC8043GPZ?
The gain temperature coefficient is less than 5 ppm/°C max).
- Is the DAC8043GPZ compatible with TTL/CMOS logic?
- What type of interface does the DAC8043GPZ use?
The DAC8043GPZ uses a 3-wire serial interface).
- Does the DAC8043GPZ have ESD protection?
- How is data loaded into the DAC register of the DAC8043GPZ?
Data is loaded into the DAC register by taking the LD input low after the new data word has been clocked into the input register).
- What are some common applications of the DAC8043GPZ?
- How does the DAC8043GPZ minimize digital noise feedthrough?
- What is the package type of the DAC8043GPZ?
