XR3076XID-F RS422/RS485 Transceiver Equivalent & Substitute Parts

Part Overview

The XR3076XID-F is a 1/1 full-duplex RS422/RS485 transceiver manufactured by MaxLinear, Inc., housed in a 14-SOIC surface mount package. This component operates at 3V to 3.6V supply voltage with a 20 Mbps data rate and -40°C to 85°C operating temperature range. The part is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and ongoing production requirements.

Key Parameters

Parameter	XR3076XID-F
Manufacturer	MaxLinear, Inc.
Type	Transceiver
Protocol	RS422, RS485
Number of Drivers/Receivers	1/1
Duplex	Full
Receiver Hysteresis	25 mV
Data Rate	20 Mbps
Voltage - Supply	3V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the XR3076XID-F is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Protocol: RS422/RS485
Number of Drivers/Receivers: 1/1
Duplex: Full
Voltage Supply Range: 3V ~ 3.6V
Package / Case: 14-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount

Performance Parameters (Application-Dependent):

Data Rate: 20 Mbps (minimum requirement for direct replacement)
Receiver Hysteresis: 25 mV (baseline specification)
Operating Temperature: -40°C ~ 85°C (baseline specification)

Substitute parts are grouped into two categories:

Category 1: Direct Performance Equivalents — Parts meeting or exceeding the 20 Mbps data rate with 25 mV receiver hysteresis, maintaining identical operating temperature range.

Category 2: Enhanced Performance Alternatives — Parts with higher data rates (250 kbps to 16 Mbps) or extended temperature ranges (-55°C to 125°C), offering improved specifications while maintaining electrical and mechanical compatibility.

Parameter Comparison

Part Number	Manufacturer	Data Rate	Receiver Hysteresis	Operating Temperature	Product Status	Packaging
XR3076XID-F	MaxLinear, Inc.	20 Mbps	25 mV	-40°C ~ 85°C	Obsolete	14-SOIC
LTC2852MPS#TRPBF	Analog Devices Inc.	20 Mbps	25 mV	-55°C ~ 125°C	Active	14-SOIC (Tape & Reel)
ADM3070EARZ	Analog Devices Inc.	250 kbps	100 mV	-40°C ~ 85°C	Active	14-SOIC (Tube)
ADM3070EARZ-REEL7	Analog Devices Inc.	250 kbps	100 mV	-40°C ~ 85°C	Active	14-SOIC (Tape & Reel)
ADM3070EYRZ	Analog Devices Inc.	250 kbps	100 mV	-40°C ~ 125°C	Active	14-SOIC (Tube)
ADM3070EYRZ-REEL7	Analog Devices Inc.	250 kbps	100 mV	-40°C ~ 125°C	Active	14-SOIC (Tape & Reel)
ADM3073EARZ	Analog Devices Inc.	500 kbps	100 mV	-40°C ~ 85°C	Active	14-SOIC (Tube)
ADM3073EARZ-REEL7	Analog Devices Inc.	500 kbps	100 mV	-40°C ~ 85°C	Active	14-SOIC (Tape & Reel)
ADM3076EARZ	Analog Devices Inc.	16 Mbps	100 mV	-40°C ~ 85°C	Active	14-SOIC (Tube)
ADM3076EARZ-REEL7	Analog Devices Inc.	16 Mbps	100 mV	-40°C ~ 85°C	Active	14-SOIC (Cut Tape & Digi-Reel)
ADM3076EYRZ	Analog Devices Inc.	16 Mbps	100 mV	-40°C ~ 125°C	Active	14-SOIC (Tube)

Engineering Selection Recommendations

Primary Recommendation: LTC2852MPS#TRPBF

The LTC2852MPS#TRPBF from Analog Devices Inc. is the closest functional equivalent to the XR3076XID-F. It maintains identical data rate (20 Mbps) and receiver hysteresis (25 mV) specifications while offering an extended operating temperature range (-55°C to 125°C). The part is active in production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1), ensuring long-term availability and environmental compliance.

Secondary Recommendations: ADM3076 Series

The ADM3076EARZ, ADM3076EARZ-REEL7, and ADM3076EYRZ parts provide 16 Mbps data rate performance with 100 mV receiver hysteresis. These components are suitable for applications where the original 20 Mbps specification is not critical. The ADM3076EYRZ variant extends the operating temperature to -40°C to 125°C. All ADM3076 variants are active, ROHS3 compliant, and available in high inventory quantities.

Alternative Options: ADM3070 and ADM3073 Series

The ADM3070 and ADM3073 series offer lower data rates (250 kbps and 500 kbps respectively) with 100 mV receiver hysteresis. These parts are suitable only for low-speed RS422/RS485 applications and should not be selected for designs requiring the original 20 Mbps performance specification.

Packaging Considerations:

Tube packaging (EARZ, EYRZ variants) is suitable for manual assembly and small-volume production.
Tape & Reel packaging (REEL7 variants) is optimized for automated pick-and-place assembly and high-volume manufacturing.
All substitute parts maintain the 14-SOIC (0.154", 3.90mm Width) package footprint, ensuring PCB layout compatibility.

Frequently Asked Questions (FAQ)

Q: Can LTC2852MPS#TRPBF be used as a direct drop-in replacement for XR3076XID-F?

A: Yes. Both parts maintain identical protocol (RS422/RS485), driver/receiver configuration (1/1), duplex mode (full), supply voltage range (3V to 3.6V), data rate (20 Mbps), receiver hysteresis (25 mV), and 14-SOIC package footprint. The LTC2852MPS#TRPBF offers extended temperature range and active production status.

Q: What is the difference between ADM3076EARZ and ADM3076EARZ-REEL7?

A: Both parts are electrically identical with 16 Mbps data rate and 100 mV receiver hysteresis. The primary difference is packaging format: EARZ is supplied in tube packaging for manual assembly, while EARZ-REEL7 is supplied on cut tape and Digi-Reel for automated assembly. Select based on manufacturing process requirements.

Q: Why do some substitute parts have lower data rates (ADM3070 at 250 kbps, ADM3073 at 500 kbps)?

A: These parts represent lower-speed variants within the Analog Devices transceiver portfolio. They are electrically compatible with the XR3076XID-F in terms of protocol, package, and supply voltage, but are suitable only for applications with reduced bandwidth requirements. Do not select these parts if the original 20 Mbps specification is required.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts from Analog Devices Inc. carry ROHS3 compliance certification, meeting environmental and regulatory requirements for electronic component manufacturing and distribution.

Q: What is the significance of receiver hysteresis differences (25 mV vs. 100 mV)?

A: Receiver hysteresis affects noise immunity and signal transition characteristics. The original XR3076XID-F specifies 25 mV hysteresis. Substitute parts with 100 mV hysteresis provide enhanced noise immunity but may exhibit different signal transition behavior. Application-specific testing is necessary if hysteresis differences impact system performance.

Q: Can I mix packaging formats (tube and tape & reel) in the same production run?

A: Yes. Tube and tape & reel variants of the same part number (e.g., ADM3076EARZ and ADM3076EARZ-REEL7) are electrically and mechanically identical. Packaging format selection depends on assembly equipment and manufacturing workflow. Mixing formats is permissible but may require separate handling procedures.

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