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Product Detailed Parameters
- Description：IC COMPARATOR 1 GEN PUR SOT23-5
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：1
- Output Type：CMOS, DTL, ECL, Open-Collector, TTL
- Voltage - Supply, Single/Dual (±)：2V ~ 36V, ±1V ~ 18V
- Voltage - Input Offset (Max)：5mV @ 5V
- Current - Input Bias (Max)：0.25µA @ 5V
- Current - Output (Typ)：16mA @ 5V
- Current - Quiescent (Max)：1.25mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-40°C ~ 125°C
- Package / Case：SC-74A, SOT-753
- Mounting Type：Surface Mount
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
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Overview
The TS391ILT is a low-power, single-supply voltage comparator manufactured by STMicroelectronics. It operates from a wide supply voltage range of 2 V to 36 V or dual supplies of ±1 V to ±18 V. The device features a very low supply current of 0.2 mA and an input common-mode voltage range that includes ground. It offers TTL, DTL, ECL, and CMOS compatible outputs with a response time of 1.3 µs. The component is housed in a SOT-23-5 package and supports an operating temperature range from -40 °C to +125 °C.
Feature Summary
- Low power consumption with supply current independent of voltage
- Input common-mode voltage range includes ground on single supply
- Outputs compatible with TTL, DTL, ECL, and CMOS logic families
Applications
- Signal conditioning circuits
- Threshold detection systems
- Voltage monitoring applications
Procurement Notes
Verify the specific suffix 'IL' against the manufacturer's official datasheet to confirm package type and tape-and-reel specifications. Ensure the ordering part number matches the required SOT-23-5 configuration and automotive qualification status if applicable. Cross-reference the RoHS compliance details with the latest product release notes before finalizing procurement orders.
Selection Notes
Select this component for designs requiring low quiescent current and single-supply operation with ground-referenced inputs. The SOT-23-5 package suits space-constrained surface-mount layouts. Verify that the 1.3 µs response time meets system speed requirements and that the output drive capability aligns with the load interface logic levels.
Part Context
This part belongs to the TS391 series of analog comparators designed for general-purpose signal processing. The series emphasizes low power efficiency while maintaining compatibility with standard digital logic families. The TS391 variant specifically targets applications needing reliable threshold detection with minimal energy usage across a wide voltage range.
Replacement Considerations
Check for direct pin-compatible substitutes within the same family or equivalent performance comparators from other manufacturers. Confirm that any replacement maintains the SOT-23-5 footprint and meets the 2 V to 36 V supply voltage requirements.
