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LTC2631CTS8-LZ8#TRMPBF
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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：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 LTC2631CTS8-LZ8#TRMPBF 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 2.5V full-scale output with an integrated 10ppm/°C reference, operating on a single 2.7V to 5.5V supply. The device utilizes a 2-wire I²C-compatible serial interface supporting standard (100kHz) and fast (400kHz) modes. Key specifications include ±0.5LSB maximum INL, guaranteed monotonicity, and power-on reset to zero-scale. Supply current is typically 180µA at 3V, with power-down consumption as low as 1.8µA.
Feature Summary
- 8-Bit Resolution with ±0.5LSB Maximum Integral Nonlinearity (INL)
- Integrated 2.5V Full-Scale Reference with 10ppm/°C Temperature Coefficient
- I²C Interface with Nine Selectable Addresses via CA0/CA1 Pins
- Power-On Reset to Zero-Scale Output for Consistent Initialization
Applications
- Mobile Communications
- Process Control and Industrial Automation
- Portable Equipment
Procurement Notes
Verify the specific suffix #TRMPBF indicates a 500-piece tape and reel packaging option. Confirm the C-grade temperature range (0°C to 70°C) aligns with system requirements. Ensure the 2.7V minimum supply voltage is compatible with the host system's power rails.
Selection Notes
Select this part for applications requiring an 8-bit resolution with a 2.5V output span. The LZ suffix ensures the DAC resets to zero upon power-up. For higher accuracy, consider the A-grade variant; for automotive temperatures, select the H-grade. External reference mode is available by tying REF_SEL to GND.
Part Context
This component belongs to the LTC2631 family of single-channel DACs. Variants differ by resolution (8, 10, or 12 bits), full-scale voltage (2.5V or 4.096V), and power-on reset behavior (Zero or Mid-scale). The LTS8 package denotes the 8-lead ThinSOT form factor common across the series.
Replacement Considerations
Direct pin-compatible substitutes within the same family include LTC2631ITS8-LZ8#TRMPBF (Industrial Temp) or LTC2631HTS8-LZ8#TRMPBF (Automotive Temp). Verify temperature grade and reset configuration when substituting.
