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SP202ECT-L
MaxLinear, Inc.
IC TRANSCEIVER FULL 2/2 16SOIC
2325 Pcs New Original In Stock
2/2 Transceiver Full RS232 16-SOIC
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Minimum 1
5.0 / 5.0
- (113 Ratings)
SP202ECT-L
Product Overview
6687779
DiGi Electronics Part Number
SP202ECT-L-DGManufacturer
MaxLinear, Inc.
SP202ECT-L
Description
IC TRANSCEIVER FULL 2/2 16SOICInventory
2325 Pcs New Original In Stock
2/2 Transceiver Full RS232 16-SOIC
Quantity
Minimum 1
Minimum 1
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SP202ECT-L Technical Specifications
Category
Interface, Drivers, Receivers, Transceivers
Packaging
Tube
Series
-
Product Status
Active
Type
Transceiver
Protocol
RS232
Number of Drivers/Receivers
2/2
Duplex
Full
Receiver Hysteresis
500 mV
Data Rate
240kbps
Voltage - Supply
4.5V ~ 5.5V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (0.295", 7.50mm Width)
Supplier Device Package
16-SOIC
Base Product Number
SP202
Datasheet & Documents
HTML Datasheet
SP202ECT-L-DG
Environmental & Export Classification
RoHS Status
RoHS Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
1016-1007-5
SP202ECTL
Standard Package
47
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
Die Lieferung kam in einwandfreiem Zustand an, und das Tracking-System hat mir die Dauer und den Fortschritt der Sendung genau angezeigt.
December 02, 2025
The toughness of the product makes it suitable for demanding environments.
December 02, 2025
Delivery was remarkably fast, and the packaging was very secure.
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Frequently Asked Questions (FAQ)
Can the SP202ECT-L be used as a drop-in replacement for the MAX202ECPE in an existing 5V RS232 design, and what layout or power considerations should I verify before making the switch?
Yes, the SP202ECT-L from MaxLinear is functionally compatible with the MAX202ECPE and can serve as a drop-in replacement in most 5V RS232 applications. However, you must verify that your PCB layout supports the 16-SOIC package (vs. the DIP-16 of the MAX202ECPE) and confirm that your charge pump capacitors are rated for at least 10V and match the recommended values (typically 0.1µF). The SP202ECT-L also has a tighter supply voltage range (4.5V–5.5V), so ensure your 5V rail doesn’t sag below 4.5V under load. Additionally, check for any firmware or timing dependencies on slew rate or startup behavior, as subtle differences in internal charge pump architecture may affect power-up sequencing in sensitive systems.
What are the key reliability risks when using the SP202ECT-L in industrial environments near its upper temperature limit (70°C), and how can I mitigate them?
Operating the SP202ECT-L near its maximum rated temperature of 70°C increases the risk of accelerated capacitor aging in the internal charge pump and potential degradation of output signal integrity over time. In industrial settings with ambient temperatures approaching 60°C, self-heating from continuous full-duplex operation can push the junction temperature beyond safe margins, leading to premature failure. To mitigate this, ensure adequate PCB copper pour for thermal dissipation, avoid enclosing the device in tight spaces without airflow, and consider derating the data rate or duty cycle if sustained high-temp operation is unavoidable. For applications regularly exceeding 60°C ambient, evaluate higher-temp-rated alternatives like the SP3222E (–40°C to +85°C).
How does the SP202ECT-L compare to the ST3232CDR in terms of EMI performance and robustness in electrically noisy environments, and when should I choose one over the other?
The SP202ECT-L offers better receiver hysteresis (500 mV vs. ~300 mV on the ST3232CDR), which provides superior noise immunity on the receive lines in electrically noisy environments such as motor control or long cable runs. However, the ST3232CDR supports a wider supply range (3.0V–5.5V) and operates down to -40°C, making it more suitable for battery-powered or extended-temperature designs. Choose the SP202ECT-L when you need robust signal integrity in 5V-only industrial systems with moderate ambient temperatures; opt for the ST3232CDR if you require broader voltage flexibility or operation below 0°C. Always pair either device with proper TVS diodes and ground plane isolation to maximize EMI resilience.
What design constraints should I consider when routing the SP202ECT-L’s RS232 I/O traces on a 2-layer PCB to avoid signal integrity issues at 240 kbps?
When routing the SP202ECT-L on a 2-layer board, keep RS232 I/O traces as short as possible (ideally <15 cm) and avoid crossing split ground planes or running parallel to high-speed digital lines, which can induce crosstalk. Since the SP202ECT-L uses an internal charge pump to generate ±10V RS232 levels, ensure the decoupling capacitor (0.1µF) on VCC is placed within 5 mm of the pin and connected directly to a solid ground pour. Do not route sensitive analog or high-impedance signals beneath the device. Use guard rings or ground shielding if trace length exceeds 10 cm, and terminate unused driver/receiver channels properly—floating inputs can cause excessive power consumption or oscillation.
Is it safe to use the SP202ECT-L in a design where the RS232 cable may be accidentally connected to ±12V industrial serial ports, and what protection circuitry is recommended?
The SP202ECT-L is not rated for continuous exposure to ±12V external voltages and can be damaged by such misconnections, despite RS232 standards nominally supporting ±12V. While its inputs have some built-in ESD protection (±15 kV IEC 61000-4-2), they lack robust overvoltage clamping for sustained ±12V exposure. To protect against accidental connection to higher-voltage ports, add external bidirectional TVS diodes (e.g., SMAJ12A) on each RS232 line, along with 100Ω series resistors to limit fault current. For mission-critical designs, consider using isolated RS232 transceivers like the ADM2587E, but if cost and space constrain you to the SP202ECT-L, the TVS + resistor network is essential for field reliability.
Quality Assurance (QC)
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SP202ECT-L CAD Models
MaxLinear, Inc. SP202ECT-L PCB symbols & footprints
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