XR33032ID-F RS422/RS485 Half Duplex Transceiver Equivalent & Substitute Parts

Part Overview

The XR33032ID-F is an active RS422/RS485 half-duplex transceiver manufactured by MaxLinear, Inc., supplied in 8-SOIC surface mount packaging. This interface IC integrates a single driver and receiver pair for industrial communication protocols, operating across a 2.8V to 5.5V supply range with a 250kbps data rate capability. The part maintains active product status with 86,955 units in current inventory. Equivalent and substitute parts are identified based on matching functional specifications, package compatibility, and electrical operating parameters to ensure direct circuit board compatibility and system performance equivalence.

Key Parameters

Parameter	XR33032ID-F
Type	Transceiver Half Duplex
Protocol	RS422, RS485
Drivers/Receivers	1/1
Data Rate	250kbps
Receiver Hysteresis	25 mV
Voltage Supply	2.8V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Package	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the XR33032ID-F is determined by the following critical parameters:

Functional Equivalence: All substitutes must be half-duplex transceivers supporting RS422 and RS485 protocols with 1 driver and 1 receiver configuration
Package Compatibility: All substitutes must use 8-SOIC surface mount packaging with identical 0.154" (3.90mm) width to ensure PCB footprint compatibility
Data Rate: Substitutes must support minimum 250kbps operation; higher data rates are acceptable
Supply Voltage Range: Substitutes must operate within or encompass the 2.8V to 5.5V range; narrower ranges require application verification
Temperature Range: Substitutes must support minimum -40°C to 85°C; extended ranges are acceptable
Compliance: All substitutes must maintain ROHS3 compliance and MSL 1 rating

Substitutes are grouped by voltage supply range compatibility, as this parameter directly impacts circuit design and power supply requirements.

Parameter Comparison

Part Number	Manufacturer	Protocol	Data Rate	Receiver Hysteresis	Voltage Supply	Operating Temp	Package	Inventory
XR33032ID-F	MaxLinear, Inc.	RS422, RS485	250kbps	25 mV	2.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	86,955
MAX13082EASA+	Analog Devices/Maxim	RS422, RS485	250kbps	100 mV	4.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC	3,405
MAX13082ECSA+	Analog Devices/Maxim	RS422, RS485	250kbps	100 mV	4.5V ~ 5.5V	0°C ~ 70°C	8-SOIC	2,088
MAX13082EESA+	Analog Devices/Maxim	RS422, RS485	250kbps	100 mV	4.5V ~ 5.5V	-40°C ~ 85°C	8-SOIC	12,800
MAX13082EESA+T	Analog Devices/Maxim	RS422, RS485	250kbps	100 mV	4.5V ~ 5.5V	-40°C ~ 85°C	8-SOIC	3,900
MAX14780EESA+T	Analog Devices/Maxim	RS422, RS485	20Mbps	50 mV	4.5V ~ 5.5V	-40°C ~ 85°C	8-SOIC	16,160
MAX3072EASA+	Analog Devices/Maxim	RS422, RS485	250kbps	100 mV	3V ~ 3.6V	-40°C ~ 125°C	8-SOIC	2,200
MAX3072EASA+T	Analog Devices/Maxim	RS422, RS485	250kbps	100 mV	3V ~ 3.6V	-40°C ~ 125°C	8-SOIC	2,008
MAX3072EESA+T	Analog Devices/Maxim	RS422, RS485	250kbps	100 mV	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	25,200
MAX3082ECSA+	Analog Devices/Maxim	RS422, RS485	115Kbps	100 mV	4.75V ~ 5.25V	0°C ~ 70°C	8-SOIC	1,900
MAX3082ECSA+T	Analog Devices/Maxim	RS422, RS485	115Kbps	100 mV	4.75V ~ 5.25V	0°C ~ 70°C	8-SOIC	12,362

Engineering Selection Recommendations

Full Voltage Range Compatibility (2.8V ~ 5.5V)

The XR33032ID-F operates across an extended supply voltage range. No substitute parts in the provided list maintain this full range. Selection of any substitute requires circuit design modification to accommodate narrower voltage specifications.

5V Supply Systems (4.5V ~ 5.5V Range)

MAX13082EESA+ and MAX13082EESA+T are direct functional equivalents for 5V-based applications. Both maintain 250kbps data rate, half-duplex RS422/RS485 operation, and -40°C to 85°C temperature range. MAX13082EESA+ is supplied in tube packaging; MAX13082EESA+T is supplied in cut tape format. MAX13082EASA+ extends operating temperature to -40°C to 125°C for enhanced thermal margin. MAX13082ECSA+ operates within 0°C to 70°C commercial temperature range.

MAX14780EESA+T provides enhanced data rate capability (20Mbps) within the same 5V supply and temperature range, suitable for applications requiring higher bandwidth.

3.3V Supply Systems (3V ~ 3.6V Range)

MAX3072EASA+, MAX3072EASA+T, and MAX3072EESA+T are designated for 3.3V operation. All three maintain 250kbps data rate and half-duplex RS422/RS485 functionality. MAX3072EESA+T offers the highest inventory availability (25,200 units) with -40°C to 85°C temperature range. MAX3072EASA+ and MAX3072EASA+T extend temperature operation to -40°C to 125°C.

Legacy 5V Systems (4.75V ~ 5.25V Range)

MAX3082ECSA+ and MAX3082ECSA+T operate within a narrower 5V window (4.75V to 5.25V) with reduced data rate (115Kbps). These parts are suitable only for applications with lower bandwidth requirements and strict 5V supply tolerance specifications. Both operate within 0°C to 70°C commercial temperature range.

All substitute parts maintain ROHS3 compliance and MSL 1 rating consistent with the primary part.

Frequently Asked Questions (FAQ)

Q: Can MAX13082EESA+ directly replace XR33032ID-F in existing designs?

A: MAX13082EESA+ is functionally equivalent for RS422/RS485 half-duplex operation at 250kbps. However, the supply voltage range differs: XR33032ID-F operates 2.8V to 5.5V while MAX13082EESA+ requires 4.5V to 5.5V. Direct substitution is valid only if the circuit supplies 4.5V or higher. Lower voltage applications require design modification or alternative selection.

Q: What is the difference between MAX13082EESA+ and MAX13082EESA+T?

A: Both parts are electrically identical. The suffix "+T" indicates cut tape and digi-reel packaging format, while the non-suffixed version uses tube packaging. Selection depends on assembly process requirements and tape reel compatibility with pick-and-place equipment.

Q: Is MAX14780EESA+T suitable for 250kbps applications?

A: Yes. MAX14780EESA+T supports data rates up to 20Mbps, which exceeds the 250kbps requirement. It operates within the same 4.5V to 5.5V supply range and -40°C to 85°C temperature window as MAX13082EESA+. The higher bandwidth capability does not degrade performance at lower data rates.

Q: Why do MAX3082 parts have lower data rate (115Kbps)?

A: MAX3082ECSA+ and MAX3082ECSA+T are legacy RS485 transceiver designs with reduced bandwidth specification. These parts are suitable only for applications with data rates at or below 115Kbps. They are not recommended for designs requiring 250kbps operation.

Q: Can I use a 3.3V part (MAX3072) in a 5V circuit?

A: No. MAX3072 series parts are specified for 3V to 3.6V operation. Applying 5V supply voltage exceeds maximum ratings and will damage the device. Conversely, 5V-rated parts (MAX13082, MAX14780) cannot operate reliably at 3.3V supply levels. Supply voltage range compatibility is non-negotiable.

Q: What does receiver hysteresis affect in my application?

A: Receiver hysteresis determines the voltage differential between logic high and low thresholds. XR33032ID-F has 25 mV hysteresis; most substitutes have 100 mV. Higher hysteresis improves noise immunity in electrically noisy environments but may reduce sensitivity to small signal transitions. Application-specific noise conditions determine whether this difference is significant.

Q: Are all parts ROHS3 compliant?

A: Yes. All listed parts, including XR33032ID-F and all substitutes, maintain ROHS3 compliance and MSL 1 (unlimited moisture sensitivity level) rating, ensuring compatibility with standard manufacturing and storage processes.

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