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HomeProductsIntegrated Circuits (ICs)Interface - Drivers, Receivers, TransceiversSP230ACP-L
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SP230ACP-L - Sipex

Manufacturer Part Number
SP230ACP-L
Manufacturer
Sipex
Allelco Part Number
98D-SP230ACP-L
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
44,952 pcs available, New & Original
Parts Description
5V POWERED MULTI-CH RS232 DRIVER
Package
Bulk
Data sheet
-
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 44952
  • Unit Price: $0.306
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.306 $0.31
200+ $0.118 $23.60
500+ $0.114 $57.00
1000+ $0.112 $112.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

SP230ACP-L Tech Specifications
Sipex - SP230ACP-L technical specifications, attributes, parameters and parts with similar specifications to Sipex - SP230ACP-L

Product Attribute Attribute Value
Manufacturer Sipex
Series *
Product Attribute Attribute Value
Package Bulk

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status Vendor Undefined
ECCN EAR99
HTSUS 8542.39.0001

Frequently Asked Questions(FAQ)

How does the SP230ACP-L handle RS-232 signal conversion in low-voltage environments, and what are the typical supply voltage requirements for reliable operation?
The SP230ACP-L is designed to interface between TTL/CMOS logic levels and standard RS-232 voltage levels, typically requiring a single 5V supply for operation. In low-voltage environments, such as those using 3.3V microcontroller systems, an external charge pump circuit enables generation of the necessary ±10V RS-232 swing. Without proper charge pump support, the device may fail to produce sufficient output voltages for full RS-232 compliance, leading to communication errors. Designers should ensure adequate bypass capacitance on VCC and consider the load capacitance when calculating charge pump timing.
What is the maximum data rate and driver/receiver configuration supported by the SP230ACP-L, and how does this affect its suitability for industrial serial communication applications?
The SP230ACP-L supports data rates up to 500 kbps and features one driver and one receiver channel, making it ideal for point-to-point serial communication. This configuration limits its use to single-device interfaces rather than multi-drop networks. For industrial applications requiring robust ESD protection and wide temperature ranges, this model offers 8kV HBM ESD protection on all pins, supporting operation from -40°C to +85°C. However, the 500 kbps limit may constrain high-speed data logging or real-time control loops requiring faster throughput.
How does the SP230ACP-L compare to modern alternatives like the MAX3232 in terms of power consumption, pin count, and integration level?
Compared to the MAX3232, the SP230ACP-L uses fewer components due to its integrated charge pump but consumes slightly higher quiescent current—typically around 6 mA versus 5 mA for the MAX3232. While both share a 16-pin SOIC package, the SP230ACP-L lacks built-in capacitor integration, requiring four external capacitors for the charge pump, whereas the MAX3232 includes them internally. The SP230ACP-L’s lower cost and simpler layout can be advantageous in volume production, though the MAX3232 offers better space efficiency and reduced BOM complexity.
What are the key electrical characteristics of the SP230ACP-L that influence long-distance RS-232 communication reliability?
The SP230ACP-L maintains RS-232 compliance with ±10V output swings and supports load capacitances up to 1000 pF per line. These specifications enable reliable transmission over longer cables compared to non-compliant transceivers. However, the 500 kbps data rate imposes practical limits on cable length due to signal attenuation and skew. For runs exceeding 15 meters, additional buffering or signal conditioning may be required. Designers must also account for driver output rise/fall times, which directly impact bit error rates in noisy environments.
Can the SP230ACP-L operate reliably in automotive-grade temperature ranges, and what design considerations are necessary for harsh environment deployment?
The SP230ACP-L operates over an industrial temperature range of -40°C to +85°C, but not automotive (-40°C to +125°C). In harsh environments, PCB layout becomes critical: short traces, proper grounding, and decoupling capacitors near VCC reduce noise susceptibility. Additionally, transient voltage suppression diodes should be added at the RS-232 ports to protect against inductive surges. While suitable for most industrial control systems, applications requiring extended thermal cycling or exposure to vibration may need more ruggedized alternatives.
What is the input hysteresis behavior of the SP230ACP-L receiver, and how does this affect noise immunity in electrically noisy environments?
The SP230ACP-L receiver exhibits approximately 0.5V of input hysteresis, providing moderate noise immunity by preventing chatter on slowly changing or noisy input signals. This threshold ensures stable transitions even when RS-232 inputs float near ground or experience electromagnetic interference. However, in environments with rapid signal transitions or high-frequency noise, this hysteresis may not suffice without external filtering. Designers should avoid floating inputs and consider adding series resistors with small capacitors to dampen ringing if operating near EMI limits.
Is the SP230ACP-L RoHS compliant, and what materials or processes might still pose environmental concerns despite its certification?
Yes, the SP230ACP-L is RoHS compliant, meaning it restricts lead, mercury, cadmium, and other hazardous substances per EU Directive 2011/65/EU. However, compliance does not guarantee full recyclability or absence of less-regulated materials such as flame retardants or solder alloys. Manufacturers often rely on halogen-free epoxies and lead-free soldering, which may still contribute to e-waste challenges. Engineers should verify supplier documentation and consider lifecycle assessments when selecting components for green initiatives.
How does the SP230ACP-L manage electrostatic discharge (ESD) protection, and what precautions are needed during handling and board assembly?
The SP230ACP-L provides 8kV human body model (HBM) ESD protection across all pins, enhancing durability during manual handling and automated assembly. Despite this, proper ESD protocols must still be followed: grounded workstations, wrist straps, and anti-static packaging are essential. During reflow soldering, thermal stress must remain below the component’s maximum junction temperature (typically 150°C) to avoid degradation of internal protection structures. Avoid prolonged exposure to static fields above 2kV during testing phases.
What are the recommended PCB layout practices for minimizing crosstalk and ensuring stable performance with the SP230ACP-L?
To minimize crosstalk and ensure stability, keep TX/RX traces separated by at least three times the trace width, especially if routed parallel to digital lines. Place 0.1 µF ceramic bypass capacitors as close as possible to the VCC and GND pins, with a 10 µF tantalum capacitor nearby for bulk filtering. Ensure return paths for RS-232 signals are unbroken under high-speed switching. Ground planes beneath the IC reduce loop area and suppress radiation. Avoid routing charge pump capacitors near sensitive analog sections.
Can multiple SP230ACP-L devices be cascaded on the same RS-232 bus, and what limitations would apply?
Cascading multiple SP230ACP-L devices on a single RS-232 bus is generally not recommended due to cumulative load capacitance and driver loading effects. Each transmitter outputs ±10V, but driving multiple receivers increases total capacitive load beyond the specified 1000 pF limit, potentially degrading signal integrity and reducing effective data rate. Additionally, driver output impedance rises with increased loads, causing voltage droop. For multi-drop configurations, opto-isolated or differential drivers like RS-485 transceivers are better suited.
How does the SP230ACP-L respond to supply voltage fluctuations, and what input protection exists for unpowered operation?
The SP230ACP-L includes internal clamp diodes that prevent latch-up when powered down while RS-232 lines carry voltage. If VCC drops below GND by more than 0.3V, the clamps activate to limit reverse bias. However, absolute maximum ratings specify VCC cannot go below -0.3V. Prolonged negative biasing risks damaging internal circuits. Designers should ensure VCC ramps up before applying RS-232 signals or use external Schottky diodes to isolate inputs during power sequencing.
What are the differences in propagation delay between transmit and receive paths in the SP230ACP-L, and how do they affect synchronous communication timing?
The SP230ACP-L exhibits asymmetrical propagation delays: typically 300 ns for the transmitter and 250 ns for the receiver. This asymmetry can introduce timing skew in bidirectional communication, particularly at high baud rates. For applications requiring tight synchronization, such as flow control or handshake protocols, software compensation may be necessary. At 115.2 kbps, the combined delay remains well within the bit period (~8.7 µs), so no significant timing issues arise under normal conditions.
Does the SP230ACP-L require external termination resistors, and how does its driver strength influence signal integrity over long cables?
No external termination resistors are needed for RS-232 signaling, as it uses unbalanced single-ended lines with inherent noise margin. However, driver strength affects slew rate and overshoot. The SP230ACP-L’s moderate drive capability balances speed and EMI, but aggressive cable lengths (>10 m) may benefit from reduced pull-up/down resistors (e.g., 1 kΩ) to improve rise times. Impedance mismatches are less critical than in differential systems, but consistent cable capacitance remains a limiting factor.
How does the SP230ACP-L perform under rapid power cycling, and what startup characteristics should designers anticipate?
The SP230ACP-L has no explicit specification for rapid power cycling endurance, but typical CMOS devices tolerate frequent on/off cycles if voltage stays within bounds. During power-up, the charge pump requires several milliseconds to stabilize ±V and ±V outputs. Transmitters may glitch during this interval, so enabling UART output after VCC exceeds 4.5V is advisable. Add soft-start circuitry or delayed enable signals in time-critical applications to avoid corrupted initial bytes.
What alternatives exist if the SP230ACP-L cannot meet a project’s baud rate or isolation requirements, and how do those alternatives compare functionally?
When higher speeds (>500 kbps) or galvanic isolation are needed, alternatives include the MAX3221 (with faster drivers) or ISO224 (isolated RS-232). The MAX3221 supports up to 250 kbps but adds two extra receivers; the ISO224 provides 5 kV isolation and operates to 2 Mbps. Both trade off cost and footprint for enhanced performance. The SP230ACP-L remains optimal for low-cost, non-isolated, medium-range applications where simplicity outweighs speed or robustness needs.
Are there any known errata or application notes specific to the SP230ACP-L that address common design pitfalls?
While SIPEX no longer actively supports the SP230ACP-L, legacy application notes emphasize avoiding operation with load capacitance exceeding 1000 pF per channel and recommend 0.1 µF bypass capacitors placed within 5 mm of VCC. One documented issue involves unstable output under light loads with capacitive coupling to adjacent traces; increasing trace spacing resolves this. Users should consult archived datasheets or third-party forums for verified workarounds, as official updates are unavailable.
How does the SP230ACP-L’s package type and pinout facilitate integration into existing PCB layouts?
The SP230ACP-L comes in a 16-pin SOIC package with a standard pinout compatible with most RS-232 transceiver footprints. Pin 1 is marked by a notch or dot, aligning with mechanical orientation guides. Key signals—TXIN, RXOUT, C1+, C1-, C2+, C2-, VCC, GND, and I/O pairs—are arranged logically for easy routing. Its compact form factor suits space-constrained designs, though thermal vias under the package may be needed for high ambient temperatures or extended duty cycles.
What diagnostic features or test points are available with the SP230ACP-L for debugging serial link failures?
The SP230ACP-L contains no internal diagnostics or status flags. Debugging relies on external tools: oscilloscope probing of TX/RX lines to verify voltage levels and timing, logic analyzers for protocol analysis, and continuity checks on charge pump capacitors. Measuring V+ and V− outputs during idle states confirms charge pump activity. If signals appear weak, check capacitor values and ESR; if absent, validate power-up sequence and input thresholds using a DMM set to diode mode on RX inputs.

Parts with Similar Specifications

The three parts on the right have similar specifications to Sipex SP230ACP-L

Product Attribute SP230ACP-L SP232ACN-L/TR SP230AET-L SP232ACN-L
Part Number SP230ACP-L SP232ACN-L/TR SP230AET-L SP232ACN-L
Manufacturer Sipex MaxLinear, Inc. Sipex MaxLinear, Inc.
Series * - * -
Package Bulk Tape & Reel (TR) Bulk Tube

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Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
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SP230ACP-L Image

SP230ACP-L

Sipex
98D-SP230ACP-L

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