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LTC2633HTS8-LI12
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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)：±1, ±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 LTC2633HTS8-LI12 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 a temperature coefficient of 10ppm/°C. The device operates on a single supply voltage ranging from 2.7V to 5.5V and 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.
Feature Summary
- Dual 12-bit DACs with integrated 2.5V precision reference (10ppm/°C drift)
- Rail-to-rail output buffers with ±1.5 LSB maximum INL error
- I²C interface supporting 100kHz and 400kHz clock rates
- Power-on reset configured to mid-scale in internal reference mode
Applications
- Mobile communications systems
- Process control and industrial automation
- Power supply margining
- Portable equipment
- Automotive applications
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current documentation to confirm lead-free status and tape-and-reel packaging details. Ensure the selected variant matches the required power-on reset behavior and temperature grade for the target environment.
Selection Notes
Select this component when dual-channel precision is required in a compact 8-lead package. The LTC2633-L variant supports a wider supply range (2.7V–5.5V) compared to the H variant. Confirm that the I²C address configuration via the CA0 pin aligns with the system bus topology.
Part Context
This part belongs to the LTC2633 family, which offers various resolutions (8-, 10-, 12-bit) and accuracy grades (standard vs. A-grade). The 'A' designation indicates enhanced linearity performance (±1.5 LSB INL), while the 'H' denotes the automotive temperature range (-40°C to 125°C).
Replacement Considerations
Direct replacements within the same family include LTC2633HTS8-HI12 (4.096V FS) or LTC2633HTS8-LZ12 (Zero-Scale POR). Cross-family alternatives like the LTC2635 offer quad channels but require different packaging.
