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LTC2631ITS8-LZ8#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-LZ8#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 with a 10ppm/°C temperature coefficient, providing a full-scale output of 2.5V. It utilizes a 2-wire I²C-compatible serial interface supporting standard (100kHz) and fast (400kHz) modes. A power-on reset circuit ensures the output initializes to zero-scale upon power-up.
Feature Summary
- 8-Bit Resolution with Guaranteed Monotonicity
- Integrated 10ppm/°C Precision Reference (2.5V Full-Scale)
- I²C Interface with Zero-Scale Power-On Reset
- Low Power Consumption: 180µA at 3V
Applications
- Mobile Communications
- Process Control and Industrial Automation
- Portable Equipment
Procurement Notes
Verify the specific ordering suffix #TRPBF indicates a 2,500-piece tape and reel packaging format. Confirm the 'L' designation corresponds to the 2.7V–5.5V supply range and 2.5V full-scale output. Ensure the 'Z' suffix matches the required zero-scale power-on reset behavior for the application design.
Selection Notes
Select this part for applications requiring an 8-bit resolution DAC with a compact TSOT-23 footprint. The internal 2.5V reference simplifies design by eliminating external components. Verify that the 2.7V minimum supply voltage aligns with the system power rails, as higher-grade variants may require different input voltages.
Part Context
This component belongs to the LTC2631 family of single-channel DACs available in 8-, 10-, and 12-bit resolutions. The LTS8 package variant offers a thin profile suitable for space-constrained designs. The family supports both internal and external reference configurations, with the LZ suffix specifically denoting the zero-scale reset option.
Replacement Considerations
Direct replacements within the same family include LTC2631ITS8-LZ10#TRPBF (10-bit) or LTC2631ITS8-LZ12#TRPBF (12-bit) if higher resolution is needed. For mid-scale reset requirements, consider the LM suffix variants such as LTC2631ITS8-LM8#TRPBF.
