LTC2634IMSE-LMI8#PBF

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1. DESCRIPTION

The LTC2634IMSE-LMI8#PBF is a family of quad 12-, 10- and 8-bit voltage output DACs with an integrated, high accuracy, low drift 10ppm/°C reference in 16-lead QFN and 10-lead MSOP packages. It has rail-to-rail output buffers and is guaranteed monotonic. The LTC2634-L has a full-scale output of 2.5V, and operates from a single 2.7V to 5.5V supply. The LTC2634-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 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. Serial data output (SDO), a hardware clear (CLR), and an asynchronous DAC update (LDAC) capability are available in the QFN package. The LTC2634 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.

2. FEATURES

    1. AEC-Q100 Qualified for Automotive Applications

    2. Integrated Precision Reference 

        - 2.5V Full-Scale 10ppm/°C (LTC2634-L) 

        - 4.096V Full-Scale 10ppm/°C (LTC2634-H)

    3. Maximum INL Error: ±2.5 LSB (LTC2634-12)

    4. Low Noise: 0.75mVP-P 0.1Hz to 200KHz

    5. Guaranteed Monotonic over −40°C to 125°C Temperature Range

    6. Selectable Internal or External Reference

    7. 2.7V to 5.5V Supply Range (LTC2634-L)

    8. Ultralow Crosstalk Between DACs (2.4nV•s)

    9. Low Power: 0.6mA at 3V

  10. Power-On Reset to Zero-Scale/Mid-Scale

  11. Double Buffered Data Latches

  12. Tiny 16-Lead 3mm × 3mm QFN and 10-Lead MSOP Packages

3. APPLICATIONS

    1. Mobile Communications

    2. Process Control and Industrial Automation

    3. Automatic Test Equipment

    4. Portable Equipment

    5. Automotive