Overview
The AD7568BSZ from Analog Devices Inc. is a highly integrated digital-to-analog converter (DAC) that features eight 12-bit DACs in a single monolithic device. This component is designed for applications requiring multiple DAC channels with high precision and reliability. The AD7568BSZ is housed in a 44-pin plastic quad flatpack (QFP) or 44-lead PLCC package, making it a space-saving solution for various electronic systems.
Key Specifications
| Parameter | Value | Units | Comments |
|---|---|---|---|
| Number of DACs | 8 | - | - |
| Resolution | 12-bit | - | - |
| Output Type | Current Output | - | Separate VREF, IOUT1, IOUT2, and RFB terminals |
| Supply Voltage Range | 4.75 to 5.25 | V | - |
| Power Supply Sensitivity | -75 dB (typ) | - | - |
| Maximum Power Dissipation | 250 mW | - | Derates above 75°C by 10 mW/°C |
| Operating Temperature Range | -40°C to +85°C | - | Commercial Plastic (B Versions) |
| Settling Time | 500 ns (typ) | - | - |
| Input Resistance | 5 kΩ min, 9 kΩ max | - | Typical Input Resistance = 7 kΩ |
| Ladder Resistance Mismatch | 2% max | - | Typically 0.6% |
Key Features
- Eight 12-bit DACs in a single package, providing multiple channels for complex analog output requirements.
- Current output with separate VREF, IOUT1, IOUT2, and RFB terminals, allowing for flexible circuit design.
- Serial input interface using FSIN, CLKIN, and SDIN, with an address pin (A0) for device addressing in multi-DAC environments.
- Asynchronous LDAC and CLR inputs for simultaneous updating and clearing of all DACs.
- Low power consumption with a maximum current draw of 3.5 mA.
- Compact 44-pin QFP or PLCC package, ideal for space-constrained applications.
Applications
- Industrial control systems requiring multiple analog outputs for various control functions.
- Aerospace and defense applications where high reliability and precision are critical.
- Medical devices that need accurate and stable analog outputs for diagnostic and treatment purposes.
- Automotive systems for control and monitoring of various vehicle functions.
- Audio and video equipment where multiple DAC channels are necessary for high-quality output.
Q & A
- What is the resolution of the DACs in the AD7568BSZ?
The AD7568BSZ features eight 12-bit DACs.
- What is the output type of the AD7568BSZ?
The output type is current output with separate VREF, IOUT1, IOUT2, and RFB terminals.
- What is the supply voltage range for the AD7568BSZ?
The supply voltage range is from 4.75 V to 5.25 V.
- How many pins does the AD7568BSZ have?
The AD7568BSZ has 44 pins.
- What is the typical settling time for the AD7568BSZ?
The typical settling time is 500 ns.
- What is the operating temperature range for the AD7568BSZ?
The operating temperature range is from -40°C to +85°C.
- How do you update all DACs simultaneously in the AD7568BSZ?
All DACs can be updated simultaneously using the asynchronous LDAC input.
- How do you clear all DACs in the AD7568BSZ?
All DACs can be cleared by asserting the asynchronous CLR input.
- What is the maximum power dissipation for the AD7568BSZ?
The maximum power dissipation is 250 mW, derating above 75°C by 10 mW/°C.
- What are some common applications for the AD7568BSZ?
Common applications include industrial control systems, aerospace and defense, medical devices, automotive systems, and audio/video equipment.
