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LTC2632AHTS8-LX12
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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT TSOT23-8
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：12
- Number of D/A Converters：2
- Settling Time：4.4µs (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)：±0.5, ±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 LTC2632AHTS8-LX12 is a dual 12-bit voltage-output digital-to-analog converter (DAC) from Analog Devices, housed in an 8-lead TSOT-23 package. It features an integrated precision reference with a full-scale output of 2.5V and a temperature coefficient of 10ppm/°C. The device operates on a single supply ranging from 2.7V to 5.5V and communicates via a 3-wire SPI/MICROWIRE compatible interface supporting clock rates up to 50MHz. Key specifications include a maximum integral nonlinearity (INL) error of ±1.5LSB, rail-to-rail output buffers, and guaranteed monotonicity over the specified range.
Feature Summary
- Dual 12-bit DACs with integrated 2.5V precision reference (10ppm/°C)
- Maximum INL error of ±1.5LSB for high accuracy
- Rail-to-rail output buffers with 2.7V to 5.5V single supply operation
- Power-on reset configured to mid-scale in external reference mode
Applications
- Mobile communications systems
- Process control and industrial automation
- Automatic test equipment
- Portable battery-powered equipment
- Automotive electronics
Procurement Notes
Verify the specific ordering suffix HTS8 against official documentation to confirm package type and availability. Confirm that the LX suffix correctly configures the power-on reset behavior for external reference applications as defined in the selection guide. Ensure compatibility with the required supply voltage range of 2.7V to 5.5V for the L-grade variant.
Selection Notes
Select this part when dual channel 12-bit resolution with low drift is required. The LX suffix specifically sets the power-on reset state to mid-scale when using an external reference, which differs from the internal reference reset options. Compare INL performance against other grades if tighter linearity is needed, noting that the A-grade guarantees ±1.5LSB max INL.
Part Context
This component belongs to the LTC2632 family of dual SPI DACs. Variants are distinguished by resolution (8, 10, or 12 bits), full-scale voltage (2.5V for L-grade, 4.096V for H-grade), and power-on reset behavior (I, X, or Z). The A-grade designation indicates enhanced linearity performance compared to standard grades.
Replacement Considerations
Direct substitutes within the same family include LTC2632ACTS8-LI12#TRMPBF (internal reference reset) and LTC2632ACTS8-LZ12#TRMPBF (zero-scale reset). For external reference reset configurations, verify pinout and electrical characteristics match before replacing.
