Features and Benefits
- Integrated Precision Reference
- 2.5V Full-Scale 10ppm/°C (LTC2636-L)
- 4.096V Full-Scale 10ppm/°C (LTC2636-H)
- Maximum INL Error: 2.5LSB (LTC2636-12)
- Low Noise: 0.75mVP-P 0.1Hz to 200KHz
- Guaranteed Monotonic Over –40°C to 125°C Temperature Range
- Selectable Internal or External Reference
- 2.7V to 5.5V Supply Range (LTC2636-L)
- Ultralow Crosstalk Between DACs (<2.4nV•s)
- Low Power: 0.9mA at 3V (LTC2636-L)
- Power-On-Reset to Zero-Scale/Mid-Scale
- Double-Buffered Data Latches
- Tiny 14-Lead 4mm × 3mm DFN and 16-Lead MSOP Packages
The LTC2636 is a family of octal 12-, 10-, and 8-bit voltage-output DACs with an integrated, high-accuracy, low-drift 10ppm/°C reference in 14-lead DFN and 16-lead MSOP packages. It has a rail-to-rail output buffer and is guaranteed monotonic. The LTC2636-L has a full-scale output of 2.5V, and operates from a single 2.7V to 5.5V supply. The LTC2636-H has a full-scale output of 4.096V, and operates from a 4.5V to 5.5V supply. Each DAC can also operate with an external reference, which sets the DAC full-scale output to the external reference voltage.
These DACs communicate via an SPI/MICROWIRE-compatible 3-wire serial interface which operates at clock rates up to 50MHz. Hardware clear (CLR) and asynchronous DAC update (LDAC) pins are available in the MSOP package. The LTC2636 incorporates a power-on reset circuit. Options are available for reset to zero-scale or reset to mid-scale in internal reference mode, or reset to mid-scale in external reference mode after power-up.
- Mobile Communications
- Process Control and Industrial Automation
- Automatic Test Equipment
- Portable Equipment
- Optical Networking
Product Lifecycle Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (4)
Demonstration circuit 1466B features the LTC2636, 12-Bit, Octal SPI DAC With Internal Reference. This device is a compact 8-channel solution with internal reference that simplifies system design. The DC1466B may be connected directly to the target application’s analog signals while using the DC590 USB serial controller board and supplied software to measure performance.
Tools & Simulations
Linduino is Analog Devices’ Arduino compatible system for developing and distributing firmware libraries and example code for our integrated circuits. Each Linduino-supported product includes an example main program, defined in the LTSketchbook/Part Number folder and driver code, defined in the LTSketchbook/libraries folder.
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
Sample & Buy
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