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LTC2631ITS8-LM8#TRPBF
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Product Detailed Parameters
- Description：IC DAC 8BIT V-OUT TSOT23-8
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Number of Bits：8
- Number of D/A Converters：1
- Settling Time：3.2µs (Typ)
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：I2C
- 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：-40°C ~ 85°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 LTC2631ITS8-LM8#TRPBF is an 8-bit voltage-output digital-to-analog converter (DAC) from Analog Devices Inc., housed in an 8-lead TSOT-23 package. It features a rail-to-rail output buffer and operates on a single 2.7V to 5.5V supply. The device includes an integrated precision reference providing a 2.5V full-scale output with a temperature coefficient of 10ppm/°C. It utilizes a 2-wire I²C-compatible serial interface supporting standard (100kHz) and fast (400kHz) modes. Power-on reset options allow the output to initialize to mid-scale, as indicated by the 'M' suffix.
Feature Summary
- 8-Bit Resolution with Guaranteed Monotonicity
- Integrated 2.5V Reference (10ppm/°C)
- I²C Interface (100kHz/400kHz)
- Power-On Reset to Mid-Scale
Applications
- Mobile Communications
- Process Control and Industrial Automation
- Portable Equipment
Procurement Notes
Verify the specific ordering suffix #TRPBF corresponds to the 2,500-piece tape and reel packaging format as defined in the manufacturer's documentation. Confirm that the LM8 designation correctly specifies the 8-bit resolution, mid-scale power-on reset, and 2.5V internal reference configuration required for the application.
Selection Notes
Select this component when an 8-bit resolution is sufficient for the system requirements. Ensure the supply voltage remains within the 2.7V to 5.5V range specified for the LTC2631-L series. Verify that the mid-scale power-on reset behavior aligns with the system initialization sequence, as opposed to zero-scale options available in other variants.
Part Context
This part belongs to the LTC2631 family of single-channel DACs. The 'L' indicates the 2.5V full-scale variant operating from 2.7V–5.5V. The 'M' denotes the mid-scale power-on reset option, while 'Z' would indicate zero-scale reset. The '8' specifies the 8-bit resolution, distinguishing it from 10-bit or 12-bit versions in the same package.
Replacement Considerations
Direct replacements within the same family include LTC2631ITS8-LZ8#TRPBF (zero-scale reset) or LTC2631ITS8-LM10#TRPBF (10-bit resolution). Cross-family replacements require verification of pin compatibility, I²C addressability, and reference voltage specifications.
