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LTC2632CTS8-LX8
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Product Detailed Parameters
- Description：IC DAC 8BIT V-OUT TSOT23-8
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：8
- Number of D/A Converters：2
- Settling Time：3.5µs (Typ)
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：SPI
- Reference Type：External, Internal
- Voltage - Supply, Analog：2.7V ~ 5.5V
- Voltage - Supply, Digital：2.7V ~ 5.5V
- INL/DNL (LSB)：±0.05, ±0.5 (Max)
- Architecture：-
- Operating Temperature：0°C ~ 70°C
- Package / Case：SOT-23-8 Thin, TSOT-23-8
- Supplier Device Package：TSOT-23-8
- Mounting Type：Surface Mount
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Overview
The LTC2632CTS8-LX8 is a dual 8-bit voltage-output digital-to-analog converter (DAC) from Analog Devices, housed in an 8-lead TSOT-23 package. It features an integrated precision reference with a full-scale output of 2.5V and operates on a single supply voltage ranging from 2.7V to 5.5V. The device utilizes a 3-wire SPI/MICROWIRE compatible serial interface for communication. A key characteristic of the 'LX' suffix is its power-on reset behavior, which sets the output to mid-scale when operating in external reference mode. The DACs include rail-to-rail output buffers and are guaranteed monotonic.
Feature Summary
- Dual 8-bit voltage-output DACs with integrated 2.5V full-scale reference
- Power-on reset to mid-scale in external reference mode
- 3-wire SPI/MICROWIRE compatible serial interface
- Single 2.7V to 5.5V supply operation
Applications
- Mobile communications
- Process control and industrial automation
- Automatic test equipment
- Portable equipment
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current documentation to confirm availability and exact specifications. Ensure the selected variant matches the required power-on reset behavior and reference configuration for the target application design.
Selection Notes
Select this component when a dual-channel, low-resolution DAC with a defined mid-scale power-up state in external reference mode is required. The 8-bit resolution suits applications where high precision is not critical, but cost and pin count are constraints. Confirm that the 2.5V internal reference range meets the system voltage requirements.
Part Context
This part belongs to the LTC2632 family of dual DACs, which offers various combinations of resolution (8, 10, or 12 bits), accuracy grades, and power-on reset options. The 'CTS8' designation indicates the commercial temperature grade and TSOT-23 package type, while 'LX8' specifies the 8-bit resolution and external reference mid-scale reset behavior.
Replacement Considerations
Direct replacements within the same family include other LTC2632 variants with different resolutions or reset behaviors, such as LTC2632CTS8-LZ8 (zero-scale reset) or LTC2632CTS8-LI8 (mid-scale reset in internal reference mode). Cross-family replacements would require verifying interface compatibility and electrical specifications.
