Overview
The DAC8412FPCZ-REEL is a quad, 12-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component features voltage output with readback capability, making it suitable for a variety of applications requiring precise analog signal generation. The DAC8412 is built using a complementary bipolar process and includes buffered voltage outputs, eliminating the need for external amplifiers in many cases.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | DAC8412FPCZ-REEL |
| Package | PLCC-28 (11.5x11.5 mm) |
| Number of Bits | 12 |
| Settling Time | 10 μs (Typical) |
| Integral Nonlinearity (INL) | 4 LSB |
| Polarity | Unipolar |
| Min Dual Supply Voltage | ±4.75 V |
| Supply Voltage | 5 V |
| Max Dual Supply Voltage | ±15.75 V |
| Output Current | ±5 mA at ±10 V |
| Reference Inputs | VREFH and VREFL, code-dependent current |
Key Features
- Quad, 12-bit digital-to-analog conversion with readback capability.
- Buffered voltage outputs, capable of sourcing and sinking 5 mA at ±10 V.
- R-2R ladder configuration with high impedance (R = 50 kΩ) resistors.
- TTL/CMOS compatible digital I/O.
- Asynchronous LDAC input for simultaneous updating of all DACs.
- RESET function to set DAC output registers to center code or zero code.
- Short-circuit protected output amplifiers.
- Support for single +5 V supply operation with appropriate reference voltage settings.
Applications
- Precision instrumentation control.
- Waveform generation.
- Industrial control systems.
- Aerospace and defense systems requiring high precision and reliability.
- Medical devices that need accurate analog signal generation.
- Automotive systems for sensor calibration and signal processing.
Q & A
- What is the resolution of the DAC8412FPCZ-REEL?
The DAC8412FPCZ-REEL has a 12-bit resolution.
- What is the typical settling time of the DAC8412FPCZ-REEL?
The typical settling time is 10 μs.
- What is the polarity of the DAC8412FPCZ-REEL?
The DAC8412FPCZ-REEL is unipolar.
- What are the supply voltage requirements for the DAC8412FPCZ-REEL?
The supply voltage can range from 5 V to ±15.75 V for dual supply operation.
- Does the DAC8412FPCZ-REEL require external amplifiers?
No, the DAC8412FPCZ-REEL features buffered voltage outputs, eliminating the need for external amplifiers in most applications.
- How does the RESET function work on the DAC8412FPCZ-REEL?
The RESET function sets the DAC output registers to center code and is active low, independent of the chip select (CS) input.
- What is the purpose of the LDAC input on the DAC8412FPCZ-REEL?
The LDAC input controls the loading of the second bank of registers, allowing all output registers to be updated simultaneously.
- Is the DAC8412FPCZ-REEL compatible with TTL/CMOS logic?
- How should the reference inputs be configured for optimal performance?
The reference inputs (VREFH and VREFL) should be bypassed with 0.2 μF capacitors when operating with ±10 V references.
- What are some common applications of the DAC8412FPCZ-REEL?
Common applications include precision instrumentation control, waveform generation, industrial control systems, and medical devices.
