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LTC2633ACTS8-LX12#TRMPBF
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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT TSOT23-8
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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#TRMPBF is a dual 12-bit voltage-output digital-to-analog converter (DAC) from Analog Devices. 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 utilizes 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. The part incorporates a power-on reset circuit configured to set outputs 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 precision reference (10ppm/°C drift)
- I²C interface with selectable internal or external reference input
- Power-on reset to mid-scale in external reference mode
Applications
- Mobile communications
- Process control and industrial automation
- Power supply margining
- Portable equipment
- Automotive systems
Procurement Notes
Verify the #TRMPBF suffix indicates a 500-unit tape and reel packaging configuration. Confirm the LX12 code corresponds to the specific power-on reset behavior for mid-scale initialization in external reference mode. Ensure the AC grade meets the ±1.5 LSB INL requirement for the target application.
Selection Notes
Select this variant when a 2.5V full-scale output is required with a low-voltage supply range of 2.7V to 5.5V. The LX12 designation is critical for applications requiring mid-scale initialization during power-up while using an external reference source. The A-grade ensures tighter linearity performance compared to standard grades.
Part Context
This component belongs to the LTC2633 family of dual DACs available in 8-, 10-, and 12-bit resolutions. The ACTS8 designation identifies the Automotive temperature grade (-40°C to 125°C) and the 8-lead TSOT-23 package. The L suffix specifies the 2.5V internal reference option, distinguishing it from the H-series which offers 4.096V.
Replacement Considerations
Direct substitutes within the same family include LTC2633ACTS8-LI12#TRMPBF (internal reference reset) and LTC2633ACTS8-LZ12#TRMPBF (zero-scale reset). For higher accuracy requirements, consider the LTC2635 series, though pinouts and packages differ.
