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Features
- 16-Bit Monotonicity Over Temperature
- Deglitched Rail-to-Rail Voltage Output
- SO-8 Package
- ICC(TYP): 600µA
- Internal Reference:
- 2.048V (LTC1655)
- 1.25V (LTC1655L)
- Maximum DNL Error: ±1LSB
- Settling Time: 20µS to ±1LSB
- 750kHz Max Update Rate
- Power-On Reset to Zero Volt
- 3-Wire Cascadable Serial Interface
- Low Cost
- Pin Compatible Upgrade for LTC1451 12-Bit DAC Family
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The LTC1655/LTC1655L are rail-to-rail voltage output, 16-bit digital-to-analog converters in an SO-8 package. They include an output buffer and a reference. The 3-wire serial interface is compatible with SPI/QSPI and MICROWIRE™ protocols. The CLK input has a Schmitt trigger that allows direct optocoupler interface.
The LTC1655 has an on-board 2.048V reference that can be overdriven to a higher voltage. The output swings from 0V to 4.096V when using the internal reference. The typical power dissipation is 3.0mW on a single 5V supply.
The LTC1655L has an on-board 1.25V reference that can be overdriven to a higher voltage. The output swings from 0V to 2.5V when using the internal reference. The typical power dissipation is 1.8mW on a single 3V supply.
The LTC1655/LTC1655L are pin compatible with the 12-bit VOUT DAC family, allowing an easy upgrade path. They are the only buffered 16-bit DACs in an SO-8 package and they include an on-board reference for standalone performance.
Applications
- Digital Calibration
- Industrial Process Control
- Automatic Test Equipment
- Cellular Telephones
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| Parts | Product Life Cycle | Description | ||
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I²C Isolators1 |
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PRODUCTION |
SPI/Digital or I2C μModule Isolator with Adjustable ±12.5V and 5V Regulated Power |
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