Overview
The DAC8043AFRUZ-REEL7 is a 12-bit serial input multiplying digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is an improved version of the DAC8043, offering high accuracy and excellent analog performance in compact 8-lead packages. It is designed for applications where PC board space is limited, featuring serial input, double buffering, and separate input clock and load DAC control lines for full user control of data loading and analog output.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value |
|---|---|---|---|
| Resolution | 12 bits | - | - |
| Accuracy | ±1/2 LSB | - | - |
| Supply Voltage | 5 V | 4.5 V | 5.5 V |
| Supply Current | 10 µA | - | - |
| Operating Temperature Range | - | -40°C | 85°C |
| Output Current Settling Time | 1 µs | - | - |
| Digital Input Low (VIL) | - | - | 0.8 V |
| Digital Input High (VIH) | - | 2.4 V | - |
| Input Leakage Current (IIL) | - | - | ±1 µA |
| Input Capacitance (CIL) | - | - | 10 pF |
| Output Capacitance (COUT) | 25 pF (Data = 000H) | - | 30 pF (Data = FFFH) |
Key Features
- High accuracy 12-bit multiplying digital-to-analog conversion
- Compact 8-lead packages (SOIC, TSSOP, PDIP)
- Serial input with double buffering
- Separate input clock and load DAC control lines for full user control
- Low power consumption: 10 µA from a single +5 V power supply
- Improved linearity and gain error performance, reducing the need for trimming components
- TTL-compatible digital inputs with ESD protection
- Constant current output regardless of digital input code
- Operating temperature range: -40°C to +85°C
Applications
- Programmable Loop Controllers (PLCs) in industrial control
- Programmable amplifiers and attenuators
- Digitally controlled calibration and filters
- Motion control systems
Q & A
- What is the resolution of the DAC8043AFRUZ-REEL7?
The DAC8043AFRUZ-REEL7 has a resolution of 12 bits.
- What is the typical supply current of the DAC8043AFRUZ-REEL7?
The typical supply current is 10 µA from a single +5 V power supply.
- What are the operating temperature ranges for the DAC8043AFRUZ-REEL7?
The operating temperature range is -40°C to +85°C.
- What types of packages are available for the DAC8043AFRUZ-REEL7?
The component is available in SOIC, TSSOP, and PDIP packages.
- What is the output current settling time of the DAC8043AFRUZ-REEL7?
The output current settling time is 1 µs to ±0.01% of full scale.
- Does the DAC8043AFRUZ-REEL7 have ESD protection on its digital inputs?
- What are some typical applications for the DAC8043AFRUZ-REEL7?
Typical applications include PLCs in industrial control, programmable amplifiers and attenuators, digitally controlled calibration and filters, and motion control systems.
- How does the DAC8043AFRUZ-REEL7 improve over its predecessor?
The DAC8043AFRUZ-REEL7 offers improved linearity and gain error performance, reducing the need for trimming components, and it has a 3 to 1 chip size reduction.
- What is the multiplying bandwidth of the DAC8043AFRUZ-REEL7?
The multiplying bandwidth is improved to 2.4 MHz.
- How is data loaded into the DAC8043AFRUZ-REEL7?
Serial data is clocked into the input register on the rising edge of the CLOCK pulse and then transferred to the DAC register by taking the LD input momentarily low.
