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Home > Products > Integrated Circuits (ICs) > Interface - Drivers, Receivers, Transceivers > SP2209EEY-L/TR
MaxLinear, Inc.
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SP2209EEY-L/TR

In Stock 19750 pcs Reference Price(In US Dollars)
2500+
$1.7219
Manufacturer Part Number:
SP2209EEY-L/TR
Manufacturer / Brand
MaxLinear, Inc.
Part of Description:
IC TRANSCEIVER FULL 6/10 38TSSOP
Datasheets:
SP2209EEY-L/TR.pdf
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 19750 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number SP2209EEY-L/TR
Manufacturer / Brand MaxLinear, Inc.
Stock Quantity 19750 pcs Stock
Category Integrated Circuits (ICs) > Interface - Drivers, Receivers, Transceivers
Description IC TRANSCEIVER FULL 6/10 38TSSOP
Lead Free Status / RoHS Status: RoHS Compliant
Voltage - Supply 10.8V ~ 13.2V
Type Transceiver
Supplier Device Package 38-TSSOP
Series -
Receiver Hysteresis 250 mV
Protocol RS232
Package / Case 38-TFSOP (0.173', 4.40mm Width)
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 85°C
Number of Drivers/Receivers 6/10
Mounting Type Surface Mount
Duplex Full
Data Rate 920Kbps
Base Product Number SP2209

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

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PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

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Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

What are the critical power supply considerations when integrating the SP2209EEY-L/TR in a 3.3V system design?
The SP2209EEY-L/TR operates over a supply voltage range of 10.8V to 13.2V, which exceeds typical 3.3V logic levels. This device requires a higher supply voltage for proper operation, so it cannot be directly powered from a 3.3V rail without additional level-shifting or a dedicated charge pump. Designers must ensure the host system provides a stable 11V–13.2V supply, and any interfacing with lower-voltage microcontrollers must include appropriate voltage translation circuitry to prevent damage or unreliable communication.
Can the SP2209EEY-L/TR interface with modern microcontrollers like STM32 or ESP32 without external components?
No, direct connection is not feasible due to voltage incompatibility. While the SP2209EEY-L/TR generates ±10V RS232 levels suitable for legacy serial interfaces, microcontrollers such as STM32 or ESP32 operate at 3.3V I/O. Direct wiring would risk damaging the microcontroller inputs. A voltage-level translator or bidirectional buffer compatible with both 3.3V logic and the SP2209’s internal logic thresholds (typically TTL/CMOS levels) must be used to ensure reliable data exchange.
What happens if the SP2209EEY-L/TR is used outside its specified operating temperature range (-40°C to 85°C)?
Operating the SP2209EEY-L/TR below -40°C or above 85°C may lead to degraded performance, increased propagation delay, or complete functional failure. At elevated temperatures, internal charge pump efficiency decreases, potentially causing output voltages to fall outside RS232 specifications. In sub-zero environments, input hysteresis and switching characteristics can shift unpredictably, increasing susceptibility to noise-induced errors. Long-term reliability under out-of-range conditions is not guaranteed by datasheet parameters.
How does receiver hysteresis in the SP2209EEY-L/TR affect noise immunity in industrial environments?
The SP2209EEY-L/TR features 250 mV of receiver hysteresis, which helps distinguish valid transitions from noise spikes on the RX line. This improves robustness in electrically noisy settings such as factory floors or motor-driven systems. However, excessive noise with fast rise times may still overwhelm this margin. Designers should evaluate signal integrity using oscilloscope measurements and consider adding series termination resistors or ferrite beads if noise coupling becomes an issue.
Is the SP2209EEY-L/TR suitable for battery-powered applications requiring low quiescent current?
No, the SP2209EEY-L/TR is not ideal for energy-constrained systems. Its internal charge pumps and full-duplex architecture consume relatively high standby current—often several mA—due to continuous oscillator and pump activity even in idle mode. For battery-operated devices like portable instruments or IoT gateways, alternative RS232 transceivers with shutdown modes and lower power consumption (e.g., MAX3221) would be more appropriate unless legacy RS232 signaling is strictly required.
What design precautions are necessary when replacing the SP2209EEY-L/TR with alternatives like the MAX3209EEUU+?
While the MAX3209EEUU+ is a pin-compatible substitute, key differences exist. The MAX3209EEUU+ typically supports a wider supply range (3.0V to 5.5V), enabling direct 3.3V operation without level shifting. It also generally consumes less power and offers better ESD protection. When migrating, verify that the new part maintains the same driver/receiver count (6/10), package footprint (38-TSSOP), and meets the target system’s data rate and temperature requirements. Thermal derating may differ, necessitating layout review.
Can the SP2209EEY-L/TR drive long RS232 cables (>15 meters) reliably at full data rates?
The SP2209EEY-L/TR supports data rates up to 920 kbps, but cable length is limited by capacitive loading and signal attenuation. Beyond approximately 15 meters, reflections, voltage droop, and timing skew can cause bit errors. To extend reach, use lower baud rates (e.g., <19.2 kbps), shielded twisted-pair cabling, or active repeaters. Always perform end-to-end signal integrity testing under worst-case load conditions before final deployment.
Does the SP2209EEY-L/TR require external capacitors for charge pump operation, and what values should be used?
Yes, the SP2209EEY-L/TR relies on an external dual-stage charge pump requiring four ceramic capacitors—typically 0.1 µF each—connected between V+ and GND, and V– and GND pins. These capacitors must be placed close to the IC with minimal trace length to avoid instability or reduced output swing. Low-ESR surface-mount MLCCs rated for at least 16V are recommended. Failure to provide adequate bypassing can result in insufficient RS232 output levels or erratic behavior.
How does Moisture Sensitivity Level (MSL) = 1 impact handling and storage of the SP2209EEY-L/TR in high-humidity manufacturing environments?
With MSL = 1, the SP2209EEY-L/TR has unlimited shelf life before reflow and does not require bake-out prior to soldering. This simplifies handling in cleanroom or humid assembly facilities where moisture accumulation could otherwise trigger popcorning during thermal cycling. Nonetheless, standard ESD precautions and proper storage in dry cabinets remain essential, especially given its TSSOP packaging sensitivity to mechanical stress.
Are there any known compatibility issues between the SP2209EEY-L/TR and certain UART configurations?
The SP2209EEY-L/TR is fully compatible with standard UART protocols used in most embedded systems. However, some advanced UARTs with automatic flow control or sleep modes may not initialize correctly if the transceiver remains active during reset cycles. Ensure proper power sequencing: apply VCC before enabling UART clocks. Additionally, avoid connecting unused driver outputs to floating states; tie them to ground or configure via hardware strapping to prevent shoot-through currents through the charge pump.

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SP2209EEY-L/TR

SP2209EEY-L/TR

MaxLinear, Inc.

IC TRANSCEIVER FULL 6/10 38TSSOP

In Stock: 19750

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