GD75232DBR RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The GD75232DBR is an active RS232 interface transceiver manufactured by Texas Instruments, classified as a full 3/5 transceiver in a 20-SSOP surface mount package. This component functions as a complete RS232 communication interface for serial data transmission and reception. The part maintains active product status with 43,200 units in current inventory. Substitute parts are identified when equivalent electrical specifications, mechanical compatibility, and compliance certifications align with the original component's operational requirements.

Substiute Parts

GD75232DBR

Texas InstrumentsIn Stock: 43310GD75232DBR Datasheet

Current PartRFQ

MAX3185CAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 3409MAX3185CAP+ Datasheet

MFR RecommendedRFQ

MAX3185EAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 1199MAX3185EAP+ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the GD75232DBR are qualified based on the following critical parameters:

Electrical Compatibility: Protocol (RS232), transceiver type (full duplex), and driver/receiver configuration (3/5) must match exactly. Supply voltage ranges and data rate specifications determine functional equivalence within the RS232 interface standard.

Mechanical Compatibility: Package type (20-SSOP) and physical dimensions (0.209", 5.30mm Width) must be identical to ensure PCB footprint compatibility and mounting feasibility.

Compliance & Certification: RoHS3 compliance, MSL rating (1 - Unlimited), and REACH status must align with the original component to meet regulatory and environmental requirements.

Operational Range: Operating temperature range defines the thermal envelope for system deployment. Substitute parts with extended or equivalent temperature ranges are acceptable.

The identified substitute parts (MAX3185CAP+ and MAX3185EAP+) satisfy all mechanical and electrical compatibility criteria while maintaining full compliance certification.

Parameter Comparison

Engineering Selection Recommendations

Both MAX3185CAP+ and MAX3185EAP+ are qualified substitutes for the GD75232DBR based on identical mechanical packaging, matching electrical protocol specifications, and equivalent compliance certifications.

MAX3185CAP+ maintains the same operating temperature range (0°C ~ 70°C) as the original component. This substitute is suitable for applications with standard industrial temperature requirements and identical thermal constraints.

MAX3185EAP+ extends the operating temperature range to -40°C ~ 85°C, providing broader thermal coverage. This variant accommodates extended temperature applications while maintaining all other electrical and mechanical specifications. Selection of this variant is appropriate when system deployment requires operation beyond the original component's thermal envelope.

Both substitutes deliver higher data rate performance (230 Kbps versus 120 Kbps) and increased receiver hysteresis (650 mV versus 500 mV), representing functional enhancements over the original GD75232DBR. All parts maintain active product status and full compliance with ROHS3, REACH, and MSL requirements.

Frequently Asked Questions (FAQ)

Q: Can MAX3185CAP+ and MAX3185EAP+ be used interchangeably with GD75232DBR?

A: Both parts are mechanically and electrically compatible substitutes. They share identical 20-SSOP packaging, RS232 protocol implementation, and 3/5 transceiver configuration. Selection between them depends on operating temperature requirements for your specific application.

Q: What is the difference between MAX3185CAP+ and MAX3185EAP+?

A: The primary difference is operating temperature range. MAX3185CAP+ operates from 0°C to 70°C, matching the GD75232DBR specification. MAX3185EAP+ extends operation to -40°C to 85°C for applications requiring broader thermal coverage.

Q: Are there packaging differences between these substitutes?

A: All three parts use identical 20-SSOP surface mount packaging with 0.209" width and 5.30mm dimensions. PCB footprints are directly compatible without modification.

Q: Do the substitute parts meet the same compliance requirements?

A: Yes. MAX3185CAP+ and MAX3185EAP+ are both ROHS3 compliant, REACH unaffected, and carry MSL rating 1 (Unlimited), matching the GD75232DBR compliance profile.

Q: What performance differences exist between GD75232DBR and the substitute parts?

A: The substitute parts support higher data rates (230 Kbps versus 120 Kbps) and feature increased receiver hysteresis (650 mV versus 500 mV). These represent performance enhancements while maintaining full RS232 protocol compatibility.

Q: Which substitute should I select for my application?

A: Choose MAX3185CAP+ if your system operates within 0°C to 70°C. Choose MAX3185EAP+ if your application requires operation in extended temperature ranges (-40°C to 85°C).