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Home > Products > Integrated Circuits (ICs) > Specialized ICs > SP202EIBNZ
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SP202EIBNZ

Manufacturer Part Number:
SP202EIBNZ
Manufacturer / Brand
SIPEX
Part of Description:
SIPEX SO-3.9
Datasheets:
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 7639 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number SP202EIBNZ
Manufacturer / Brand SIPEX
Stock Quantity 7639 pcs Stock
Category Integrated Circuits (ICs) > Specialized ICs
Description SIPEX SO-3.9
Lead Free Status / RoHS Status: RoHS Compliant
Condition New Original Stock
Warranty 100% Perfect Functions
Lead Time 2-3days after payment.
Payment Credit Card / PayPal / Telegraphic Transfer (T/T) / Western Union
Shipping by DHL / Fedex / UPS / TNT
Port HongKong
RFQ Email Info@IC-Components.com

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.



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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 sequencing requirements for the SP202EIBNZ to avoid latch-up or improper initialization during system startup?
The SP202EIBNZ requires that VCC rise before or simultaneously with any input signals to prevent CMOS latch-up conditions. Power supply ramp rate should be maintained between 0.1V/ms and 1V/ms to ensure reliable internal biasing. Simultaneous switching of multiple channels must not exceed 10mA per channel instantaneous current draw to avoid voltage droop on the 5V supply rail.
How does the SP202EIBNZ handle ESD protection when used in industrial environments with frequent hot-plugging of serial peripherals?
The SP202EIBNZ incorporates ±15kV HBM (Human Body Model) ESD protection at all I/O pins, which exceeds typical industrial requirements. However, for hot-plug applications involving RS-232 transceivers, external transient voltage suppressors (TVS) diodes such as Littelfuse SMAJ15CA are recommended on the driver outputs to protect against cable discharge events (CDM) and inductive kickback from long cable runs.
Can the SP202EIBNZ operate reliably over the full industrial temperature range (-40°C to +85°C) without derating its output drive strength?
Yes, the SP202EIBNZ is qualified for operation across -40°C to +85°C with no required derating of output drive capability. However, output voltage swing may decrease by up to 0.3V at the upper temperature limit due to increased MOSFET Rds(on). For applications requiring consistent logic levels at high temperatures, consider using a higher-supply variant or adding series termination resistors to improve signal integrity.
What configuration methods are available for setting the SP202EIBNZ's internal charge pump frequency, and how does this affect EMI performance in sensitive analog systems?
The SP202EIBNZ uses an internally fixed oscillator running at approximately 50kHz, which cannot be externally configured. This frequency minimizes audible noise but may require careful layout to suppress conducted emissions in EMI-sensitive environments. Use a π-filter (10μH inductor, 100nF ceramic capacitor) on the V+ and V− rails near the device to attenuate switching harmonics below 1MHz.
When replacing the SP202EIBNZ in legacy designs, what are the key differences between it and modern pin-compatible alternatives like the MAX202EPE+ regarding supply current and shutdown behavior?
Unlike the MAX202EPE+, which features automatic shutdown when inputs are idle, the SP202EIBNZ draws continuous quiescent current (~2mA) regardless of input state. Replacement with MAX202EPE+ can reduce power consumption in battery-powered applications by up to 80%, but requires verification that the lower supply current (50μA vs 2mA) does not compromise noise margin under light loads.
What are the maximum capacitive load limits for the SP202EIBNZ’s receiver inputs when driving long RS-232 cables in noisy factory environments?
The SP202EIBNZ supports up to 1000pF load capacitance on receiver inputs. Exceeding this may cause ringing or false triggering in high-noise industrial settings. For cable lengths over 15 meters, use shielded twisted-pair cabling and ensure the shield is grounded at one end only. Add 1kΩ series resistors at receiver inputs to dampen reflections and improve noise immunity.
How does the SP202EIBNZ’s output impedance behave under varying load conditions, and what design considerations apply when driving optoisolators or level translators downstream?
The SP202EIBNZ has a typical output impedance of 25Ω at 5V supply. When driving devices with input capacitance exceeding 500pF (e.g., optoisolators like HCPL-2630), the resulting RC time constant can delay edge rates beyond specification. Insert a 33Ω series resistor close to the SP202EIBNZ output to match transmission line impedance and prevent overshoot; this also reduces radiated emissions from fast transitions.
Is it safe to operate the SP202EIBNZ with floating ground connections, such as in isolated communication modules powered by separate SMPS units?
No, the SP202EIBNZ is not designed for floating ground operation. Both supply rails (V+ and V−) must be referenced to the same local ground plane. In isolated systems, use digital isolators (e.g., TI ISO7240) combined with isolated DC-DC converters and separate SP202EIBNZ instances on each side to maintain galvanic isolation while preserving functional compatibility.
What happens if the SP202EIBNZ’s V+ and V− supplies are reversed during assembly, and are there internal protections against such misconnection?
Reversing V+ and V− will likely destroy the SP202EIBNZ due to lack of reverse-voltage protection on the charge pump circuit. Although the package includes ESD protection, it does not tolerate sustained reverse polarity. Implement external Schottky diodes (e.g., BAT54S) in series with both supply lines to block reverse current and prevent catastrophic failure during incorrect wiring.
Can the SP202EIBNZ be used in bidirectional RS-485 half-duplex communication nodes without additional transceiver components?
No, the SP202EIBNZ is strictly a dual RS-232 transceiver and lacks differential drivers/receivers required for RS-485 protocols. It cannot directly interface with RS-485 networks. For mixed-protocol designs, pair the SP202EIBNZ with dedicated RS-485 transceivers such as the SN65HVD1050D, ensuring proper termination resistors and bias networks are included on the RS-485 bus.

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