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Product Detailed Parameters
- Description：IC COMPARATOR 1 GEN PUR 8SOIC
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：1
- Output Type：Push-Pull
- Voltage - Supply, Single/Dual (±)：2.7V ~ 10V
- Voltage - Input Offset (Max)：15mV @ 5V
- Current - Input Bias (Max)：300pA @ 5V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：16µA
- CMRR, PSRR (Typ)：70dB CMRR
- Propagation Delay (Max)：2µs
- Hysteresis：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The TS861IDT is a single rail-to-rail micropower BiCMOS comparator manufactured by STMicroelectronics. It operates within a supply voltage range of 2.7 V to 10 V and supports an operating temperature range from -40 °C to +85 °C. The device features ultra-low current consumption of 6 μA per comparator at 2.7 V, with a typical response time of 500 ns at 2.7 V for a 100 mV overdrive. It utilizes push-pull outputs and includes ESD protection rated at 2 kV along with Class A latch-up immunity.
Feature Summary
- Rail-to-rail CMOS inputs enable operation across the full supply voltage range.
- Push-pull output stage allows direct connection to microcontrollers without external pull-up resistors.
- Ultra-low power consumption makes it suitable for battery-powered systems.
Applications
- Battery-powered portable electronic devices
- Microcontroller interface circuits
- Threshold detection applications
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct package type and tape-and-reel specifications. Confirm that the component meets required environmental standards such as RoHS compliance before integration into final designs. Cross-reference the datasheet revision date to ensure all electrical parameters align with current manufacturing specifications.
Selection Notes
Select this component when low power consumption and rail-to-rail input capability are critical requirements. The push-pull output simplifies circuit design by eliminating the need for external pull-up resistors. Ensure the application environment stays within the specified -40 °C to +85 °C temperature range for optimal performance.
Part Context
This part belongs to the TS86x family of rail-to-rail micropower BiCMOS comparators, which includes single (TS861), dual (TS862), and quad (TS864) configurations. The family is characterized by its excellent speed-to-power ratio and availability in compact packages like SOT23-5 and SOIC-8, targeting energy-efficient system designs.
Replacement Considerations
Compatible substitutes include other single-channel rail-to-rail comparators from the same manufacturer family, such as the TS861 series variants. Verify pin compatibility and electrical parameter alignment with the original specification sheet before substitution.
