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Product Detailed Parameters
- Description:IC DAC 10BIT V-OUT 12MSOP
- Series:-
- Mfr:Analog Devices Inc.
- Package:Tape & Reel (TR)
- Number of Bits:10
- Number of D/A Converters:2
- Settling Time:7.4µs (Typ)
- Output Type:Voltage - Buffered
- Differential Output:No
- Data Interface:PWM
- Reference Type:External, Internal
- Voltage - Supply, Analog:2.7V ~ 5.5V
- Voltage - Supply, Digital:2.7V ~ 5.5V
- INL/DNL (LSB):±0.2, ±0.5 (Max)
- Architecture:-
- Operating Temperature:0°C ~ 70°C
- Package / Case:12-TSSOP (0.118", 3.00mm Width)
- Supplier Device Package:12-MSOP
- Mounting Type:Surface Mount
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Overview
The LTC2644CMS-L10#TRPBF is a dual 10-bit PWM-to-voltage output DAC in a 12-lead MSOP package. It features an integrated 10ppm/°C reference providing a 2.5V full-scale output, or supports external references. The device converts PWM input signals to analog voltages with no latency, updating outputs within 8µs typically. It operates on a single 2.7V to 5.5V supply, drawing 2.7mA at 3V. Key specifications include ±1LSB maximum DNL and ±1LSB maximum INL for the L10 variant. Rail-to-rail output buffers source/sink up to 5mA (3V) or 10mA (5V).
Feature Summary
- Dual 10-bit resolution with pin-selectable internal (2.5V) or external reference.
- No-latency PWM-to-voltage conversion; updates settle within 8µs.
- Rail-to-rail output capability sourcing/sinking up to 10mA at 5V.
- Low power consumption: 2.7mA typical at 3V, <1µA in power-down mode.
Applications
- Digital Calibration
- Trimming and Adjustment
- Level Setting
- Process Control and Industrial Automation
Procurement Notes
Verify the suffix #TRPBF indicates a tape and reel packaging format containing 2,500 pieces. Confirm the 'C' temperature grade corresponds to the commercial range of 0°C to 70°C. Ensure the 'L10' designation matches the required 10-bit resolution specification for the application design.
Selection Notes
Select this model for applications requiring dual-channel voltage generation from PWM sources without external filters. The 10-bit resolution offers a balance between precision and speed. Consider the H-grade variant if operation below 0°C or above 70°C is required. Verify that the PWM input frequency does not exceed 25kHz for guaranteed 10-bit accuracy.
Part Context
This component belongs to the LTC2644 family, which includes 12-bit (L12), 10-bit (L10), and 8-bit (L8) variants. All share the same 12-lead MSOP package and functional architecture. The CMS-L10 specifically denotes the commercial temperature grade, 12-lead MSOP package, and 10-bit resolution configuration.
Replacement Considerations
Other resolutions in the same package are pin-compatible: LTC2644CMS-L12#TRPBF (12-bit) and LTC2644CMS-L8#TRPBF (8-bit). For industrial temperature ranges, consider the I-grade equivalents such as LTC2644IMS-L10#TRPBF.
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