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LTC2640CTS8-HM12#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：1
- Settling Time：4.6µs (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)：±1, ±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 LTC2640CTS8-HM12#TRMPBF 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 within a supply voltage range of 4.5V to 5.5V. The device utilizes a SPI/MICROWIRE compatible 3-wire serial interface with clock rates up to 50MHz. Key electrical characteristics include a maximum integral nonlinearity (INL) error of ±2.5 LSB, a typical settling time of 4.2µs at ±1LSB, and a power-down current of 1.8µA maximum for the C-grade. It is housed in an 8-lead TSOT-23 package.
Feature Summary
- Integrated 4.096V precision reference with 10ppm/°C temperature coefficient
- SPI/MICROWIRE compatible 3-wire serial interface supporting up to 50MHz clock
- Power-on reset to mid-scale code via 'M' suffix configuration
- Rail-to-rail output buffer guaranteed monotonic over temperature
Applications
- Mobile communications systems
- Process control and industrial automation
- Automatic test equipment
- Portable battery-powered equipment
- Automotive applications
Procurement Notes
Verify that the ordering suffix #TRMPBF corresponds to the 500-unit tape and reel packaging format as specified in the manufacturer's documentation. Confirm the component grade matches the required operational temperature range for the specific application environment.
Selection Notes
Select this part when a 4.096V full-scale output is required with a minimum supply voltage of 4.5V. The 'HM' designation indicates a mid-scale power-on reset state. Ensure the system design accommodates the 4.5V to 5.5V operating voltage range and utilizes a 3-wire serial interface for data transmission.
Part Context
This component belongs to the LTC2640 family of single-channel DACs available in 8-, 10-, and 12-bit resolutions. The family shares a common 8-lead TSOT-23 package and integrates a low-drift reference. Variations exist based on full-scale voltage (2.5V or 4.096V), power-on reset behavior (zero or mid-scale), and accuracy grades.
Replacement Considerations
Compatible substitutes within the same family include LTC2640CTS8-LM12#TRMPBF (2.5V full-scale) and LTC2640AITS8-HM12#TRMPBF (higher accuracy grade). Verify pin compatibility and electrical specifications before substitution.
