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LTC2629IGN#TRPBF
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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT 16SSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Bits：12
- Number of D/A Converters：4
- Settling Time：7µs (Typ)
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：I2C
- Reference Type：External
- Voltage - Supply, Analog：2.7V ~ 5.5V
- Voltage - Supply, Digital：2.7V ~ 5.5V
- INL/DNL (LSB)：±1, ±0.5 (Max)
- Architecture：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：16-SSOP (0.154", 3.90mm Width)
- Supplier Device Package：16-SSOP
- Mounting Type：Surface Mount
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Overview
The LTC2629IGN#TRPBF is a quad 12-bit rail-to-rail voltage output digital-to-analog converter (DAC) from Analog Devices. It operates on a single supply voltage ranging from 2.7V to 5.5V and features built-in high-performance output buffers guaranteed monotonic over temperature. The device utilizes a 2-wire I²C compatible serial interface supporting standard mode (100kHz) and fast mode (400kHz). It incorporates a power-on reset circuit that holds outputs at zero-scale until a valid write and update occur. Packaged in a 16-lead narrow SSOP, it offers low power consumption with individual channel power-down capabilities.
Feature Summary
- Quad 12-bit resolution with rail-to-rail voltage outputs
- I²C interface supporting 100kHz and 400kHz clock rates
- Power-on reset to zero-scale for consistent initialization
- Individual channel power-down reducing current to 1µA max
Applications
- Mobile communications
- Process control and industrial automation
- Automatic test equipment and instrumentation
Procurement Notes
Verify the #TRPBF suffix indicates tape and reel packaging when sourcing this component. Confirm the IGN suffix corresponds to the industrial temperature range of -40°C to +85°C. Ensure the specific lot matches the required lead-free finish specifications provided by the manufacturer.
Selection Notes
Select the LTC2629 for applications requiring four independent 12-bit DAC channels with I²C connectivity. Choose this part over the LTC2609 or LTC2619 if 12-bit resolution is sufficient, as it offers the same pinout and package density. Consider the power-on reset behavior; use the -1 variant if mid-scale initialization is preferred over zero-scale.
Part Context
This component belongs to the LTC2609/LTC2619/LTC2629 family of quad DACs. They share identical pinouts and form factors, differing primarily in resolution: 16-bit (LTC2609), 14-bit (LTC2619), and 12-bit (LTC2629). This allows for design flexibility while maintaining board layout consistency across different precision requirements.
Replacement Considerations
The LTC2629CGN#TRPBF serves as a commercial grade replacement within the same package and specification profile, differing only in the operating temperature range (0°C to 70°C).
