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Product Detailed Parameters
- Description：IC COMPARATOR 2 W/VOLT REF 8MSOP
- Series：TSM98x
- Mfr：Silicon Labs
- Package：Tube
- Type：with Voltage Reference
- Number of Elements：2
- Output Type：Open-Drain
- Voltage - Supply, Single/Dual (±)：2.5V ~ 11V, ±1.25V ~ 5.5V
- Voltage - Input Offset (Max)：10mV @ 2.5V
- Current - Input Bias (Max)：0.005µA @ 2.5V
- Current - Output (Typ)：40mA
- Current - Quiescent (Max)：6µA
- CMRR, PSRR (Typ)：80dB CMRR, 80dB PSRR
- Propagation Delay (Max)：12µs
- Hysteresis：50mV
- Operating Temperature：0°C ~ 70°C
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-MSOP
- Grade：-
- Qualification：-
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Overview
The TSM982CUA+ is a dual-channel, low-voltage micropower analog comparator from Silicon Labs. It operates on single supplies of +2.5V to +11V or dual supplies of ±1.25V to ±5.5V. The device features an internal 1.182V reference with ±2% accuracy and supports adjustable hysteresis via an external HYST pin. It delivers up to 40mA output current with open-drain stages for wired-OR configurations. Maximum supply current is 6µA over temperature, with a propagation delay of 12µs at 10mV overdrive.
Feature Summary
- Dual comparators with integrated 1.182V voltage reference
- Open-drain outputs enabling wired-OR logic applications
- Adjustable hysteresis capability through dedicated input pin
- Ultra-low quiescent current consumption for battery systems
Applications
- Threshold detectors
- Window comparators
- Level translators
- Oscillator circuits
- Battery-powered systems
Procurement Notes
Verify the specific suffix 'CUA+' against official documentation to confirm the package type and temperature range. Confirm component status as discontinued before finalizing design-in decisions. Ensure compatibility with existing PCB footprints for the 8-pin MSOP/SOIC form factor.
Selection Notes
Select this part when dual comparators with an internal reference are required in a compact footprint. It is suitable for designs needing adjustable hysteresis without additional complex feedback networks. Verify that the open-drain output architecture aligns with the system's pull-up requirements and logic levels.
Part Context
This component belongs to the TSM97x/98x family of ultra-low-power comparators. It serves as an alternate source for the MAX982 device. The family includes single, dual, and quad variants with varying reference accuracies and hysteresis options, all sharing similar electrical characteristics and pinouts.
Replacement Considerations
The datasheet identifies the MAX982 as an electrically and form-factor identical alternative. Verify pinout compatibility and reference voltage tolerances when substituting.
