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LTC2635HMSE-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：-40°C ~ 125°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 LTC2635HMSE-LZ12#PBF is a quad 12-bit voltage-output digital-to-analog converter (DAC) in a 10-lead MSOP package. It features an integrated precision reference with a full-scale output of 4.096V and operates from a single 4.5V to 5.5V supply. The device includes rail-to-rail output buffers, guaranteed monotonicity over the –40°C to 125°C automotive temperature range, and communicates via a 2-wire I²C-compatible serial interface supporting standard (100kHz) and fast (400kHz) modes. Maximum integral nonlinearity error is ±2.5 LSB.
Feature Summary
- Quad 12-bit resolution with integrated 4.096V precision reference (±10ppm/°C)
- Automotive temperature grade (–40°C to 125°C) with guaranteed monotonicity
- Rail-to-rail output buffers and ultralow crosstalk (3nV•s)
- Power-on reset to zero-scale in internal reference mode
Applications
- Process control and industrial automation
- Portable equipment
- Automotive systems
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current documentation to confirm package type, temperature grade, and power-on reset behavior. Ensure the design supports the required 4.5V to 5.5V supply voltage range for the H-grade variant.
Selection Notes
Select this part when four independent 12-bit outputs are required in a compact MSOP footprint. The H-grade designation ensures operation at higher supply voltages (up to 5.5V) and wider temperature ranges compared to the L-grade. Confirm that the I²C address configuration pins (CA0-CA2) meet system addressing requirements.
Part Context
This component belongs to the LTC2635 family of quad DACs, which also offers 10-bit and 8-bit resolutions. Variants include QFN packages and different power-on reset options such as mid-scale or high-impedance states. The LZ12 suffix specifically denotes the 12-bit resolution, zero-scale reset, and 4.096V full-scale output configuration.
Replacement Considerations
Direct substitutes within the same family include LTC2635HMSE-HZ12#PBF (mid-scale reset) or LTC2635HMSE-MI12#PBF (mid-scale external reference). Cross-package equivalents like the QFN version LTC2635HUD-LZ12#PBF share identical electrical characteristics but require different PCB footprints.
