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LTC2633AHTS8-LZ12#TRPBF
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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT TSOT23-8
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- 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：-40°C ~ 125°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 LTC2633AHTS8-LZ12#TRPBF 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 from 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 defaults to zero-scale in internal 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
- Rail-to-rail output buffers with power-on reset to zero-scale
- I²C interface operating at 100kHz or 400kHz clock rates
Applications
- Mobile communications
- Process control and industrial automation
- Power supply margining
- Portable equipment
- Automotive systems
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 order information. Confirm that the LZ12 designation matches the required zero-scale power-on reset behavior and 2.5V full-scale voltage for the intended circuit design.
Selection Notes
Select this part when a dual-channel DAC with high accuracy (±1.5 LSB INL) and low power consumption is required. Ensure the system supply voltage falls within the 2.7V to 5.5V range compatible with the 'L' grade variant. Verify that the I²C address configuration via the CA0 pin aligns with other devices on the bus.
Part Context
This component belongs to the LTC2633 family of dual DACs available in 8-, 10-, and 12-bit resolutions. The 'A' suffix denotes the higher accuracy grade with ±1.5 LSB INL, while 'H' indicates the automotive temperature grade (-40°C to 125°C). The 'TS8' package refers to the 8-lead ThinSOT-23 form factor.
Replacement Considerations
Direct substitutes within the same family include LTC2633AHTS8-LI12#TRPBF (mid-scale reset) and LTC2633AHTS8-HZ12#TRPBF (4.096V full-scale). Cross-family replacements like the LTC2635 offer quad channels but differ in package and channel count.
