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Product Detailed Parameters
- Description:IC DAC 12BIT V-OUT 14DFN
- Series:-
- Mfr:Analog Devices Inc.
- Package:Tube
- Number of Bits:12
- Number of D/A Converters:8
- Settling Time:4.8µs (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:-40°C ~ 85°C
- Package / Case:14-WFDFN Exposed Pad
- Supplier Device Package:14-DFN (4x3)
- Mounting Type:Surface Mount
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Overview
The LTC2636IDE-HZ12#PBF is an octal 12-bit voltage-output digital-to-analog converter (DAC) from Analog Devices. It features an integrated precision reference with a full-scale output of 4.096V and operates within a supply voltage range of 4.5V to 5.5V. The device utilizes a 3-wire SPI/MICROWIRE-compatible serial interface with clock rates up to 50MHz. It incorporates a power-on reset circuit that defaults outputs to zero-scale in internal reference mode. The component is housed in a 14-lead DFN package and supports industrial operating temperatures from -40°C to +85°C.
Feature Summary
- Octal 12-bit resolution with rail-to-rail output buffers
- Integrated 4.096V precision reference with ±10ppm/°C drift
- Power-on reset to zero-scale for consistent initialization
- Industrial temperature grade (-40°C to +85°C)
Applications
- Process control and industrial automation
- Automatic test equipment
- Portable equipment
- Automotive systems
- Optical networking
Procurement Notes
Verify the specific ordering suffix #PBF indicates lead-free construction and tube packaging. Confirm the DE package designation corresponds to the 14-lead DFN form factor. Ensure the IDE suffix correctly identifies the industrial temperature range and H-grade full-scale voltage specifications before procurement.
Selection Notes
Select this part when eight independent 12-bit channels are required with a fixed 4.096V span. The H-grade variant necessitates a minimum 4.5V supply, unlike the L-grade which accepts 2.7V. Verify that the zero-scale power-on reset behavior aligns with system startup requirements compared to mid-scale options.
Part Context
This component belongs to the LTC2636 family of octal DACs. Variants differ by resolution (8/10/12-bit), full-scale voltage (2.5V or 4.096V), and temperature grade (C/I/H). The HZ12 designation specifically denotes the 12-bit resolution, zero-scale reset, and 4.096V internal reference configuration.
Replacement Considerations
LTC2636IDE-LZ12#PBF offers identical functionality but with a 2.5V full-scale output and lower minimum supply voltage. LTC2636IDE-MI12#PBF provides mid-scale power-on reset instead of zero-scale.
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