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Product Detailed Parameters
- Description：IC COMPARATOR 4 GEN PUR 14SO
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：4
- Output Type：CMOS, Open-Drain
- Voltage - Supply, Single/Dual (±)：2.7V ~ 16V, ±1.35V ~ 8V
- Voltage - Input Offset (Max)：5mV @ 10V
- Current - Input Bias (Max)：1pA @ 5V
- Current - Output (Typ)：20mA
- Current - Quiescent (Max)：25µA
- CMRR, PSRR (Typ)：75dB CMRR
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-40°C ~ 125°C
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：14-SO
- Grade：-
- Qualification：-
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Overview
The TS339IDT is a micropower quad CMOS voltage comparator manufactured by STMicroelectronics. It features an SOIC-14 surface-mount package with four independent channels and open-drain outputs. The device operates on a single supply voltage ranging from 2.7 V to 16 V, or dual supplies of ±1.35 V to ±8 V. Key electrical parameters include a typical supply current of 9 μA per comparator, a maximum input bias current of 1 pA at 5 V, and a response time of 1.5 μs for a 5 mV overdrive. It supports a wide operating temperature range from -40 °C to +125 °C.
Feature Summary
- Extremely low power consumption with typical supply current of 9 μA per comparator
- High input impedance with extremely low input bias and offset currents
- Wide single supply voltage range supporting operation down to 2.7 V
- Pin-to-pin and functionally compatible with bipolar LM339 devices
Applications
- Battery-powered systems requiring low quiescent current
- General-purpose voltage monitoring circuits
- Threshold detection in industrial control applications
Procurement Notes
Verify the specific suffix 'DT' corresponds to the SOIC-14 tape-and-reel packaging configuration. Confirm RoHS compliance status as indicated in official documentation. Ensure the ordering part number matches the required industrial temperature grade (-40°C to +125°C) rather than commercial variants. Cross-reference the manufacturer part number directly with STMicroelectronics catalogs to avoid confusion with similar packages like TSSOP or DIP.
Selection Notes
Select this component when designing for low-power environments where supply current is critical. The open-drain output requires external pull-up resistors, which must be accounted for in the circuit design. Consider the 1.5 μs response time against system speed requirements. Verify that the input common-mode voltage range including ground meets the signal source characteristics. This device serves as a direct replacement for LM339 equivalents in existing designs.
Part Context
The TS339IDT belongs to the TS339 series of micropower comparators. It is designed to offer performance similar to the classic bipolar LM339 but with significantly lower power consumption due to CMOS technology. The 'I' designation indicates the industrial temperature range variant. The 'DT' suffix specifies the SOIC-14 surface-mount package delivered in reel format.
Replacement Considerations
TS339IYDT is listed as a discontinued direct substitute.
