TLC3702IPW Equivalent & Substitute Parts

Part Overview

The TLC3702IPW is a dual-channel general-purpose comparator manufactured by Texas Instruments, featuring CMOS push-pull TTL output architecture in an 8-TSSOP surface-mount package. This device operates across a wide supply voltage range of 3V to 16V and is designed for precision voltage comparison applications requiring low input offset voltage and minimal input bias current.

The TLC3702IPW currently holds Last Time Buy status, indicating discontinued production. Identifying functionally equivalent substitute parts is necessary to ensure design continuity and maintain component availability for new production runs and field replacements.

Substiute Parts

TLC3702IPW

Texas InstrumentsIn Stock: 1454TLC3702IPW Datasheet

Current PartRFQ

TLC3702IPWR

Texas InstrumentsIn Stock: 35290TLC3702IPWR Datasheet

MFR RecommendedRFQ

MAX962ESA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 3691MAX962ESA+T Datasheet

MFR RecommendedRFQ

TS3702CDT

STMicroelectronicsIn Stock: 19228TS3702CDT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TLC3702IPW is determined by the following critical parameters:

Functional Equivalence Criteria:

• Dual-channel comparator architecture (2 elements)
• General-purpose comparator classification
• CMOS and TTL-compatible output stages
• Supply voltage range compatibility (minimum 3V to 16V overlap)
• Input offset voltage specification ≤ 5mV
• Input bias current specification ≤ 5pA
• Output current capability ≥ 20mA typical
• Operating temperature range overlap with -40°C to 85°C
• Surface-mount package configuration

Substitute Parts Identified:

1. TLC3702IPWR (Texas Instruments) – Direct functional equivalent with identical electrical specifications, differentiated by Cut Tape & Digi-Reel packaging and Active product status.

2. TS3702CDT (STMicroelectronics) – Functionally compatible dual-channel comparator with equivalent CMOS push-pull output, extended supply voltage range, and superior input bias current specification (1pA vs. 5pA).

3. MAX962ESA+T (Analog Devices Inc./Maxim Integrated) – Dual-channel comparator with CMOS and TTL output compatibility, operating within overlapping supply voltage range (2.7V to 5.5V), and enhanced propagation delay performance (7ns vs. 4.5µs).

Parameter Comparison

Engineering Selection Recommendations

TLC3702IPWR (Recommended Primary Substitute)

The TLC3702IPWR is the optimal substitute for the TLC3702IPW. Both parts share identical electrical specifications, functional architecture, and package footprint (8-TSSOP). The primary distinction is packaging format (Cut Tape & Digi-Reel vs. Tube) and active product status. This part requires no circuit redesign and maintains full compatibility with existing PCB layouts. Inventory availability is significantly higher (35,200 units vs. 1,419 units).

TS3702CDT (Secondary Substitute – Package Change Required)

The TS3702CDT provides functional equivalence with superior input bias current performance (1pA vs. 5pA) and lower quiescent current consumption (25µA vs. 65µA). However, this part uses an 8-SOIC package instead of 8-TSSOP, requiring PCB layout modification. The operating temperature range is restricted to 0°C to 70°C, which may not satisfy applications requiring -40°C operation. This substitute is suitable for designs where package footprint flexibility exists and lower power consumption is beneficial.

MAX962ESA+T (Tertiary Substitute – Limited Compatibility)

The MAX962ESA+T operates within a narrower supply voltage range (2.7V to 5.5V), restricting its use to applications not requiring the full 3V to 16V range of the original part. The 8-SOIC package requires PCB redesign. Quiescent current is significantly higher (9mA vs. 65µA), making this option unsuitable for low-power applications. This part is recommended only for designs operating exclusively within the 2.7V to 5.5V supply window where its superior propagation delay (7ns) provides performance advantage.

Frequently Asked Questions (FAQ)

Q: Can TLC3702IPWR be used as a direct replacement for TLC3702IPW without circuit modification?

A: Yes. The TLC3702IPWR is electrically and functionally identical to the TLC3702IPW. Both parts use the same 8-TSSOP package footprint and share all critical electrical specifications. Only the packaging format differs (Cut Tape & Digi-Reel vs. Tube). No circuit redesign is required.

Q: What are the package differences between the substitute parts?

A: The TLC3702IPW and TLC3702IPWR both use 8-TSSOP packages (0.173" width, 4.40mm). The TS3702CDT and MAX962ESA+T use 8-SOIC packages (0.154" width, 3.90mm). SOIC packages have different pin spacing and footprint geometry, requiring PCB layout modification.

Q: Is the TS3702CDT suitable for applications requiring -40°C operation?

A: No. The TS3702CDT operating temperature range is 0°C to 70°C, which does not include -40°C. Applications requiring -40°C operation must use TLC3702IPWR or MAX962ESA+T.

Q: Can MAX962ESA+T be used in applications requiring 16V supply voltage?

A: No. The MAX962ESA+T maximum supply voltage is 5.5V. Applications requiring operation at 16V supply voltage must use TLC3702IPWR or TS3702CDT.

Q: Which substitute offers the lowest power consumption?

A: The TS3702CDT provides the lowest quiescent current at 25µA maximum, compared to 65µA for TLC3702IPW and 9mA for MAX962ESA+T. However, the MAX962ESA+T specification lists quiescent current in milliamps, indicating significantly higher power consumption.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts (TLC3702IPWR, TS3702CDT, MAX962ESA+T) are ROHS3 compliant and meet the same environmental compliance standards as the original TLC3702IPW.