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Product Detailed Parameters
- Description：IC COMPARATR 4 W/VOLT REF 16SOIC
- Series：TSM98x
- Mfr：Silicon Labs
- Package：Tube
- Type：with Voltage Reference
- Number of Elements：4
- 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)：8.5µA
- CMRR, PSRR (Typ)：80dB CMRR, 80dB PSRR
- Propagation Delay (Max)：12µs
- Hysteresis：50mV
- Operating Temperature：-40°C ~ 85°C
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：16-SOIC
- Grade：-
- Qualification：-
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Overview
The TSM984ESE+ is a quad, low-voltage, micropower analog comparator manufactured by Silicon Laboratories. It operates from single +2.5V to +11V or dual ±1.25V to ±5.5V supplies. The device features open-drain outputs and an internal 1.182V reference with ±2% accuracy. It draws a maximum of 8.5μA supply current over the -40°C to +85°C temperature range. Propagation delay is 12μs at 10mV overdrive. It is housed in a 16-pin SOIC package.
Feature Summary
- Quad configuration with integrated voltage reference
- Ultra-low quiescent current consumption
- Open-drain output stages for wired-OR capability
- Wide common-mode input voltage range
Applications
- Threshold detectors
- Window comparators
- Level translators
- Oscillator circuits
- Battery-powered systems
Procurement Notes
Verify the specific suffix ESE+ corresponds to the extended industrial temperature range (-40°C to +85°C) and 16-pin SOIC package. Confirm lead-free compliance status as per manufacturer specifications. Ensure compatibility with existing board layouts requiring separate ground pins for the output stages.
Selection Notes
Select this component when four independent comparators are required within a single package. The internal reference eliminates external resistor networks for threshold setting. Verify that the open-drain output architecture aligns with the system's pull-up requirements and logic levels.
Part Context
This part belongs to the TSM97x/98x family, which serves as an alternate source for the MAX971/MAX972/MAX973/MAX982/MAX984 series. The family shares identical electrical characteristics and form factors, ensuring pin-to-pin compatibility with the legacy Maxim Integrated designs.
Replacement Considerations
Direct replacements include the MAX984EPA or MAX984ESA from Analog Devices. Verify that substitute parts maintain the same quad configuration, reference accuracy, and package dimensions for seamless integration.
FAQ
Does the TSM984 support adjustable hysteresis?
No, the TSM984 does not have an internal HYST pin. Hysteresis must be implemented using external positive feedback resistors connected to the comparator outputs.
What is the function of the GND pin on the TSM984?
The TSM984 includes a dedicated GND pin. The output stages sink current to this GND pin, allowing the negative supply (V-) to be set below ground potential while maintaining TTL/CMOS compatible output swings relative to GND.
