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LTC2635CMSE-LZ12#PBF
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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT 10MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：12
- Number of D/A Converters：4
- Settling Time：4.4µs (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：0°C ~ 70°C
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
- Supplier Device Package：10-MSOP-EP
- Mounting Type：Surface Mount
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Overview
The LTC2635CMSE-LZ12#PBF is a quad 12-bit voltage-output digital-to-analog converter (DAC) from Analog Devices, housed in a 10-lead MSOP package. It features an integrated precision reference yielding a 2.5V full-scale output with a temperature coefficient of 10ppm/°C. The device operates on a single 2.7V to 5.5V supply and includes rail-to-rail output buffers guaranteed monotonic over the commercial temperature range of 0°C to 70°C. Communication occurs via a 2-wire I²C-compatible serial interface supporting standard (100kHz) and fast (400kHz) modes. A power-on reset circuit defaults outputs to zero-scale.
Feature Summary
- Quad 12-bit resolution with maximum INL error of ±2.5 LSB
- Integrated 2.5V precision reference with 10ppm/°C drift
- Rail-to-rail output buffers with ultralow crosstalk (3nV•s)
- Power-on reset to zero-scale with low power consumption (0.6mA at 3V)
Applications
- Mobile communications systems
- Process control and industrial automation
- Portable equipment requiring low power
Procurement Notes
Verify the specific ordering suffix #PBF indicates lead-free construction. Confirm the MSE package designation corresponds to the 10-lead MSOP form factor required for the design. Ensure the LZ12 suffix aligns with the zero-scale power-on reset requirement and 2.5V internal reference specification.
Selection Notes
Select this component when four independent 12-bit DAC channels are needed in a compact surface-mount package. The 2.5V internal reference simplifies board layout by eliminating external reference components. Verify that the 0°C to 70°C commercial temperature grade meets the environmental requirements, as the H-grade variant is required for –40°C to 125°C operation.
Part Context
This part belongs to the LTC2635 family, which offers 8-, 10-, and 12-bit resolutions. The 'L' suffix denotes the 2.5V full-scale version operating from 2.7V to 5.5V, while 'H' denotes the 4.096V version requiring 4.5V to 5.5V. The 'MSE' package distinguishes it from the 16-pin QFN ('UD') option.
Replacement Considerations
Publicly confirmed substitutes include other members of the LTC2635 family such as LTC2635CMSE-LZ10#PBF or LTC2635CMSE-LZ8#PBF for lower resolution needs. Cross-family replacements require verification of pin compatibility and electrical specifications.
