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Product Detailed Parameters
- Description：IC COMPARATOR 1 GEN PUR 8SOIC
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- 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 TS861ID is a single-channel analog comparator from STMicroelectronics, part of the TS86x family. It operates on a supply voltage range of 2.7 V to 10 V and functions within a temperature range of -40 °C to +85 °C. The device features rail-to-rail CMOS inputs and push-pull outputs, eliminating the need for external pull-up resistors. Key electrical parameters include a quiescent current consumption of 6 μA per comparator at 2.7 V, a response time of 2 μs, and an input offset voltage (Vos) of 15 mV. The input bias current is specified at 300 pA, with a maximum output current of 5 mA per channel. It is housed in an SOIC-8 surface-mount package.
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 additional components.
- Ultra-low power consumption suitable for battery-powered systems.
- Integrated ESD protection and latch-up immunity for enhanced reliability.
Applications
- Battery-powered portable electronic devices
- Microcontroller interface circuits
- Signal conditioning applications
Procurement Notes
Verify the specific suffix 'ID' against the manufacturer's official datasheet to confirm the exact package type and tape/reel specifications. Ensure the component meets the required RoHS compliance standards for your region. Cross-reference the ordering code with authorized distributors to confirm availability and authenticity before procurement.
Selection Notes
Select this component when a low-power, single-channel comparator with rail-to-rail input capability is required. The push-pull output simplifies circuit design by removing the need for pull-up resistors. Consider the 2.7 V minimum supply voltage and 6 μA current consumption for energy-efficient designs. Verify that the SOIC-8 package fits the board layout constraints.
Part Context
The TS861ID belongs to the TS86x series, which includes single, dual, and quad comparator variants. This family is characterized by its excellent speed-to-power ratio and ultra-low current consumption. The TS861 specifically provides a single comparator channel, making it ideal for space-constrained applications where only one comparison function is needed.
Replacement Considerations
Other members of the TS86x family, such as the TS862 (dual) or TS864 (quad), offer similar electrical characteristics but with multiple channels. Direct pin-compatible replacements may exist within the same product line; verify pinout compatibility and electrical specifications before substitution.
