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LTC2633ACTS8-LX12
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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT TSOT23-8
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：12
- Number of D/A Converters：2
- Settling Time：4.5µs (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)：±0.5, ±1 (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 LTC2633ACTS8-LX12 is a dual 12-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 2.7V to 5.5V supply. The device communicates via a 2-wire I²C-compatible serial interface supporting standard (100kHz) and fast (400kHz) modes. Key electrical specifications include a maximum integral nonlinearity (INL) error of ±1.5 LSB, rail-to-rail output buffers, and guaranteed monotonicity over the –40°C to 125°C temperature range. Power-on reset is configured to mid-scale in external reference mode.
Feature Summary
- Dual 12-bit resolution with ±1.5 LSB maximum INL error
- Integrated 2.5V full-scale reference with 10ppm/°C drift
- I²C interface with selectable power-on reset to mid-scale
- Rail-to-rail output buffers and guaranteed monotonicity
Applications
- Mobile communications
- Process control and industrial automation
- Power supply margining
- Portable equipment
- Automotive systems
Procurement Notes
Verify the specific ordering suffixes against the manufacturer's current documentation to ensure correct configuration. Confirm that the 'A' grade designation matches the required linearity specifications for the application. Check for lead-free compliance status as indicated by the '#PBF' suffix in official part numbers.
Selection Notes
Select this component when dual-channel precision DAC functionality is required in a compact TSOT-23 footprint. Ensure the system supply voltage falls within the 2.7V to 5.5V range compatible with the 'L' variant. Verify that the I²C address configuration via the CA0 pin aligns with the bus topology requirements.
Part Context
This part belongs to the LTC2633 family of dual DACs, which offers various combinations of resolution, accuracy grades, and power-on reset options. The 'A' suffix denotes the higher accuracy grade with ±1.5 LSB INL, while 'L' indicates the 2.5V internal reference version. The 'X' code specifies the mid-scale reset behavior in external reference mode.
Replacement Considerations
Direct replacements within the same family include LTC2633ACTS8-LI12 or LTC2633ACTS8-LZ12, depending on the desired power-on reset state. Cross-family alternatives may require verification of pin compatibility and I²C register mapping.
