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LTC2640HTS8-LM12#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)
- 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#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 on a 4.5V to 5.5V supply. The device includes a rail-to-rail output buffer guaranteed monotonic over temperature. It utilizes a 3-wire SPI/MICROWIRE compatible serial interface with clock rates up to 50MHz. Power-on reset defaults the output to mid-scale. Key electrical parameters include a maximum integral nonlinearity (INL) of ±2.5 LSB, a typical settling time of 4.6µs at ±1LSB, and a supply current of 200µA at 5V.
Feature Summary
- Integrated 10ppm/°C precision reference yielding 4.096V full-scale output
- Rail-to-rail output buffer guaranteed monotonic over temperature
- Power-on reset to mid-scale via REF_SEL pin configuration
- Low power consumption: 200µA operating current, 4µA in power-down mode
Applications
- Mobile communications systems
- Process control and industrial automation
- Automatic test equipment
- Portable battery-powered equipment
- Optical networking devices
Procurement Notes
Verify the H-grade automotive temperature rating (-40°C to 125°C) and the LM12 suffix indicating mid-scale reset and 12-bit resolution. Confirm the #TRMPBF suffix corresponds to the 500-piece tape and reel packaging quantity as specified in the ordering information.
Selection Notes
Select this part for applications requiring a 4.096V output range and mid-scale initialization upon power-up. Ensure the system supply voltage remains within the 4.5V to 5.5V range required for the H-grade variant. Consider the LTC2640HZ12 if zero-scale reset is preferred instead of mid-scale.
Part Context
This component belongs to the LTC2640 family of single-channel DACs available in 8-, 10-, and 12-bit resolutions. The specific HTS8-LM12 designation identifies the H-temperature grade, TSOT-23 package, mid-scale reset option, and 12-bit accuracy level within the product line.
Replacement Considerations
Public confirmed substitutes are not provided in the source material. For functional equivalents, consider other parts within the LTC2640 family such as the LTC2640HZ12 for zero-scale reset or different resolution variants like the LTC2640HM10.
