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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, Push-Pull
- 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)：80dB CMRR
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：0°C ~ 70°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 TS3704CDT is a micropower quad CMOS voltage comparator manufactured by STMicroelectronics. It features four independent channels in a 14-SOIC package with push-pull outputs, eliminating the need for external pull-up resistors. The device operates on a single supply 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 25 µA, a response time of 1.2 µs, and an input offset voltage of 5 mV at 10 V. It supports an output current of 4 mA per channel and functions within a commercial temperature range of 0°C to +70°C.
Feature Summary
- Push-pull CMOS output stage eliminates the requirement for external pull-up resistors typically needed with open-collector comparators.
- Pin-to-pin and functionally compatible with bipolar LM339 devices, facilitating direct upgrades.
- Input common-mode voltage range includes ground, allowing for single-supply operation down to low voltages.
Applications
- General-purpose voltage monitoring and threshold detection circuits
- Signal conditioning and waveform generation applications
- Replacement for legacy bipolar LM339 designs in space-constrained PCB layouts
Procurement Notes
Verify the specific suffix 'CDT' corresponds to the SOIC-14 package and commercial temperature grade (0°C to +70°C). Confirm that the required response time and output drive capabilities meet the system specifications, as industrial or automotive variants may offer different performance metrics or extended temperature ranges.
Selection Notes
Select this component when designing systems requiring low power consumption without the complexity of managing external pull-up resistors. It is suitable for general-purpose applications where pin compatibility with existing LM339 footprints is desired. Ensure the operating environment remains within the commercial temperature limits and that the 4 mA output drive is sufficient for the connected load.
Part Context
The TS3704 series represents STMicroelectronics' micropower CMOS comparator family, designed to offer lower power consumption than traditional bipolar counterparts like the LM339. The TSX3704 variant improves upon this line with even lower current consumption and enhanced ESD tolerance, often available in automotive-grade packages such as TSSOP-14 or QFN-16.
Replacement Considerations
- TS3704
