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LTC2632AHTS8-HI12
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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：4.9µs (Typ)
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：SPI
- Reference Type：External, Internal
- Voltage - Supply, Analog：5V
- Voltage - Supply, Digital：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 LTC2632AHTS8-HI12 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 4.096V and a temperature coefficient of 10ppm/°C. The device operates on a single supply voltage ranging from 4.5V to 5.5V. It utilizes a 3-wire SPI/MICROWIRE compatible serial interface with clock rates up to 50MHz. Key electrical specifications include a maximum integral nonlinearity (INL) error of ±1.5LSB, rail-to-rail output buffers, and guaranteed monotonicity over the specified range.
Feature Summary
- Dual 12-bit resolution with ±1.5LSB maximum INL error
- Integrated 4.096V reference with 10ppm/°C drift
- Automotive temperature grade (-40°C to +125°C)
- Power-on reset to mid-scale in internal reference mode
Applications
- Mobile communications
- Process control and industrial automation
- Automatic test equipment
- Portable equipment
- Automotive systems
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current documentation to confirm availability and exact configuration. The part number indicates an automotive-grade device with a tape and reel packaging option. Confirm lead-free status and RoHS compliance through official datasheets or authorized distributor declarations prior to procurement.
Selection Notes
Select this component when a dual-channel DAC with high accuracy and automotive reliability is required. Ensure the system supply voltage supports the 4.5V to 5.5V operating range mandated by the HI series. Consider the power-on reset behavior, which defaults to mid-scale for this specific suffix, versus zero-scale options available in other variants within the family.
Part Context
This part belongs to the LTC2632 family of dual DACs, distinguished by its 'H' designation for the 4.096V internal reference and 'A' grade for enhanced linearity. The 'TS8' suffix denotes the 8-lead TSOT-23 package, while 'HI12' specifies the 12-bit resolution, internal reference mode, and mid-scale power-on reset characteristic.
Replacement Considerations
Direct substitutes within the same family include the LTC2632ACTS8-LI12 for lower voltage applications or the LTC2632ACTS8-HZ12 if a zero-scale power-on reset is preferred. Cross-family replacements require matching resolution, interface type, and package dimensions.
