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LTC2640HTS8-LM12#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：1
- Settling Time：4.1µs (Typ)
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：SPI
- 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 LTC2640HTS8-LM12#TRPBF is a single-channel, 12-bit voltage-output digital-to-analog converter (DAC) from Analog Devices. It features an integrated precision reference providing a full-scale output of 4.096V and operates on a 4.5V to 5.5V supply. The device includes a rail-to-rail output buffer guaranteed monotonic over temperature, with a maximum integral nonlinearity error of ±1 LSB. It utilizes a 3-wire SPI/MICROWIRE compatible interface supporting clock rates up to 50MHz. Power-on reset defaults to mid-scale, and the component is housed in an 8-lead TSOT-23 package.
Feature Summary
- Integrated 10ppm/°C precision reference yielding 4.096V full-scale output
- 12-bit resolution with ±1 LSB maximum INL error
- Rail-to-rail output buffer guaranteed monotonic over temperature
- Power-on reset configured for mid-scale output initialization
Applications
- Process control and industrial automation systems
- Automatic test equipment requiring precise voltage generation
- Portable battery-powered instrumentation
- Optical networking signal conditioning
Procurement Notes
Verify the H-grade automotive temperature rating (-40°C to 125°C) matches application requirements. Confirm the LM suffix indicates mid-scale power-on reset behavior. Ensure the 4.5V minimum supply voltage aligns with system power rails. Check RoHS compliance status for environmental regulations.
Selection Notes
Select this part when a 4.096V internal reference is preferred over external components. The H-grade is suitable for high-temperature environments compared to C or I grades. Choose this model if mid-scale initialization upon power-up is required rather than zero-scale. Verify that the 4.5V to 5.5V supply range fits the design constraints.
Part Context
This component belongs to the LTC2640 family of single-channel DACs. Variants differ by resolution (8, 10, or 12 bits), full-scale voltage (2.5V or 4.096V), and power-on reset state (zero or mid-scale). The HTS8-LM12 designation specifically denotes the H-grade temperature range, TSOT-23 package, mid-scale reset, and 12-bit resolution.
Replacement Considerations
Direct replacements within the same family include LTC2640HTS8-HM12#TRPBF for zero-scale reset or LTC2640HTS8-LM12#TRPBF for 2.5V full-scale output. Cross-family replacements require verification of pin compatibility and electrical specifications.
