SP3496EEN-L RS422/RS485 Transceiver Equivalent & Substitute Parts

Part Overview

The SP3496EEN-L is a 1/1 full-duplex RS422/RS485 transceiver manufactured by MaxLinear, Inc., housed in an 8-SOIC surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations. The part operates across a 3V to 3.6V supply range with a 32 Mbps data rate capability and supports industrial temperature ranges from -40°C to 85°C.

Key Parameters

Parameter	SP3496EEN-L
Manufacturer	MaxLinear, Inc.
Product Status	Obsolete
Type	Transceiver
Protocol	RS422, RS485
Number of Drivers/Receivers	1/1
Duplex	Full
Receiver Hysteresis	25 mV
Data Rate	32 Mbps
Voltage - Supply	3V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SP3496EEN-L is determined by the following critical parameters:

Protocol compatibility: RS422/RS485 full-duplex operation
Electrical configuration: 1/1 driver/receiver topology
Package compatibility: 8-SOIC form factor with 0.154" width (3.90mm)
Operating temperature range: -40°C to 85°C minimum
Data rate capability: Must support or exceed application requirements
Supply voltage: Substitute parts operating at 4.75V to 5.25V are compatible with 3V to 3.6V designs through appropriate voltage regulation

Substitute parts are grouped by data rate capability and supply voltage characteristics. Parts with higher data rates and different supply voltages remain functionally compatible when circuit design accommodates voltage translation and bandwidth requirements.

Parameter Comparison

Part Number	Manufacturer	Product Status	Protocol	Drivers/Receivers	Duplex	Receiver Hysteresis	Data Rate	Supply Voltage	Operating Temp	Package
SP3496EEN-L	MaxLinear, Inc.	Obsolete	RS422, RS485	1/1	Full	25 mV	32 Mbps	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC
ADM4854ARZ	Analog Devices Inc.	Active	RS422, RS485	1/1	Full	20 mV	115 Kbps	4.75V ~ 5.25V	-40°C ~ 85°C	8-SOIC
ADM4855ARZ	Analog Devices Inc.	Active	RS422, RS485	1/1	Full	20 mV	500 Kbps	4.75V ~ 5.25V	-40°C ~ 85°C	8-SOIC
ADM4856ARZ	Analog Devices Inc.	Active	RS422, RS485	1/1	Full	20 mV	2.5 Mbps	4.75V ~ 5.25V	-40°C ~ 85°C	8-SOIC
ADM4856ARZ-REEL7	Analog Devices Inc.	Active	RS422, RS485	1/1	Full	20 mV	2.5 Mbps	4.75V ~ 5.25V	-40°C ~ 85°C	8-SOIC
ADM4857ARZ	Analog Devices Inc.	Active	RS422, RS485	1/1	Full	20 mV	10 Mbps	4.75V ~ 5.25V	-40°C ~ 85°C	8-SOIC
ADM4857ARZ-REEL7	Analog Devices Inc.	Active	RS422, RS485	1/1	Full	20 mV	10 Mbps	4.75V ~ 5.25V	-40°C ~ 85°C	8-SOIC
LTC1686IS8#PBF	Analog Devices Inc.	Active	RS422, RS485	1/1	Full	25 mV	52 Mbps	4.75V ~ 5.25V	-40°C ~ 85°C	8-SOIC
MAX3462CSA+	Analog Devices Inc./Maxim Integrated	Active	RS422, RS485	1/1	Full	50 mV	20 Mbps	4.75V ~ 5.25V	0°C ~ 70°C	8-SOIC
MAX3462CSA+T	Analog Devices Inc./Maxim Integrated	Active	RS422, RS485	1/1	Full	50 mV	20 Mbps	4.75V ~ 5.25V	0°C ~ 70°C	8-SOIC
MAX3462ESA+	Analog Devices Inc./Maxim Integrated	Active	RS422, RS485	1/1	Full	50 mV	20 Mbps	4.75V ~ 5.25V	-40°C ~ 85°C	8-SOIC

Engineering Selection Recommendations

All listed substitute parts maintain active product status with Analog Devices Inc., ensuring long-term availability and manufacturing support. Selection among substitutes depends on application-specific data rate requirements and supply voltage architecture.

For applications requiring the full 32 Mbps data rate capability of the SP3496EEN-L, the LTC1686IS8#PBF offers the closest performance match at 52 Mbps with matching 25 mV receiver hysteresis and full industrial temperature range (-40°C to 85°C). This part requires 4.75V to 5.25V supply voltage.

For lower data rate applications (up to 10 Mbps), the ADM4857ARZ and ADM4857ARZ-REEL7 provide active alternatives with full temperature range support. The ADM4856ARZ series supports up to 2.5 Mbps and offers the highest inventory availability (9,846 units).

The MAX3462 series (CSA+, CSA+T, ESA+) operates at 20 Mbps with extended receiver hysteresis (50 mV). The MAX3462ESA+ variant maintains the full -40°C to 85°C operating range, while MAX3462CSA+ and MAX3462CSA+T are limited to 0°C to 70°C.

All substitute parts carry ROHS3 compliance and REACH unaffected status where applicable, supporting environmental regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can the SP3496EEN-L be directly replaced with any of these substitutes?

A: Direct replacement requires matching the data rate capability of your application. The SP3496EEN-L operates at 32 Mbps. The LTC1686IS8#PBF (52 Mbps) is the closest performance match. Lower data rate applications can use ADM4857ARZ (10 Mbps), ADM4856ARZ (2.5 Mbps), or ADM4855ARZ (500 Kbps). All maintain the 8-SOIC package form factor and RS422/RS485 protocol compatibility.

Q: What is the impact of different supply voltages?

A: The SP3496EEN-L operates at 3V to 3.6V, while all active substitutes operate at 4.75V to 5.25V. Circuit designs must incorporate appropriate voltage regulation or level shifting to accommodate this difference. The 8-SOIC package and pin configuration remain compatible across all listed parts.

Q: Are there packaging differences between substitute options?

A: ADM4856ARZ-REEL7 and ADM4857ARZ-REEL7 are supplied in Cut Tape and Digi-Reel format, while standard ARZ variants and MAX3462 series come in Tube packaging. LTC1686IS8#PBF is supplied in Tube. All maintain the same 8-SOIC physical package dimensions (0.154" width, 3.90mm).

Q: Which substitute offers the best inventory availability?

A: ADM4856ARZ provides the highest stock level at 9,846 units. ADM4857ARZ-REEL7 offers 3,600 units, and MAX3462CSA+T provides 3,003 units. All listed parts are in active production with new original stock available.

Q: Does receiver hysteresis affect substitution compatibility?

A: Receiver hysteresis values range from 20 mV (ADM series) to 50 mV (MAX3462 series) across substitutes, compared to 25 mV for the SP3496EEN-L. Hysteresis affects noise immunity and signal detection thresholds. Applications with marginal signal quality should account for these differences during design validation.

Q: Are all substitutes suitable for industrial temperature range applications?

A: Most substitutes support -40°C to 85°C operation. The MAX3462CSA+ and MAX3462CSA+T variants are limited to 0°C to 70°C and are not suitable for full industrial temperature applications. The MAX3462ESA+, ADM4854ARZ through ADM4857ARZ series, and LTC1686IS8#PBF all support the full -40°C to 85°C range.

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