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Product Detailed Parameters
- Description：IC COMPARATOR DL TMP 3/5V 8-SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Type：-
- Number of Elements：-
- Output Type：-
- Voltage - Supply, Single/Dual (±)：-
- Voltage - Input Offset (Max)：-
- Current - Input Bias (Max)：-
- Current - Output (Typ)：-
- Current - Quiescent (Max)：-
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-
- Package / Case：-
- Mounting Type：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The DS56S is a dual temperature comparator housed in an 8-pin narrow-body SOIC package. It operates within a supply voltage range of 2.7V to 5.5V and supports an operating temperature range from -40°C to +125°C. The device features two independent open-drain thermostat outputs with typical hysteresis of 5.0°C. It includes an integrated bandgap voltage reference outputting 1.25V nominal and a temperature sensor with a sensitivity of +6.2mV/°C. Factory calibration ensures thermometer accuracy of ±2.0°C over the 0°C to 85°C range.
Feature Summary
- Integrates a precision bandgap voltage reference and temperature sensor for accurate thermal monitoring
- Provides two independent open-drain thermostat outputs with settable trip points via external resistors
- Offers exposed VTEMP pin for applications requiring simultaneous temperature measurement and control
Applications
- Disk drive thermal management
- Printer and office equipment temperature control
- HVAC system monitoring
- Appliance thermal protection
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm datasheet revision levels match design requirements. Ensure environmental compliance status aligns with project specifications, as historical records indicate non-compliant variants exist. Validate package dimensions against PCB footprint constraints prior to procurement.
Selection Notes
Select this component when dual independent temperature thresholds are required without digital interface complexity. The exposed sensor voltage allows custom measurement logic. Verify that external pull-up resistors are included in the design for the open-drain outputs. Ensure the application environment remains within the specified -40°C to +125°C operational limits.
Part Context
The DS56S belongs to the DS56 family of dual temperature comparators manufactured by Analog Devices Inc./Maxim Integrated. It serves as a functional equivalent to the LM56xIM series. The device is designed for cost-sensitive environments where discrete comparator solutions would increase board space and component count.
Replacement Considerations
Functionally compatible with LM56xIM.
