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MAX3238IPWR
Texas Instruments
IC TRANSCEIVER FULL 5/3 28TSSOP
89244 Pcs New Original In Stock
5/3 Transceiver Full RS232 28-TSSOP
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5.0 / 5.0
- (181 Ratings)
MAX3238IPWR
Product Overview
1371665
DiGi Electronics Part Number
MAX3238IPWR-DGManufacturer
Texas Instruments
MAX3238IPWR
Description
IC TRANSCEIVER FULL 5/3 28TSSOPInventory
89244 Pcs New Original In Stock
5/3 Transceiver Full RS232 28-TSSOP
Quantity
Minimum 1
Minimum 1
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MAX3238IPWR Technical Specifications
Category
Interface, Drivers, Receivers, Transceivers
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
Type
Transceiver
Protocol
RS232
Number of Drivers/Receivers
5/3
Duplex
Full
Receiver Hysteresis
300 mV
Data Rate
250kbps
Voltage - Supply
3V ~ 5.5V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-TSSOP (0.173", 4.40mm Width)
Supplier Device Package
28-TSSOP
Base Product Number
MAX3238
Datasheet & Documents
HTML Datasheet
MAX3238IPWR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
296-9600-2
927-MAX3238IPWRDKR-DG
MAX3238IPWRE4
MAX3238IPWRG4-DG
296-9600-6
296-9600-1-NDR
927-MAX3238IPWRCT
MAX3238IPWRG4
-MAX3238IPWRG4-NDR
927-MAX3238IPWRCT-DG
-MAX3238IPWR-NDR
927-MAX3238IPWRTR
927-MAX3238IPWRDKR
-MAX3238IPWRE4-NDR
296-9600-2-NDR
MAX3238IPWRE4-DG
-MAX3238IPWRE4
296-9600-6-NDR
927-MAX3238IPWRTR-DG
-MAX3238IPWRG4
-296-9600-1-DG
296-9600-1
-296-9600-1
Standard Package
2,000
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
제품이 도착했을 때 포장 상태가 완벽했고, 회사의 전문성을 느꼈어요.
грудня 02, 2025
Ich schätze die schnelle Reaktionszeit bei Versandfragen sehr.
грудня 02, 2025
発想が速くて助かりますし、サポートも丁寧で安心です。
грудня 02, 2025
I've noticed that their quick dispatch helps me respond to customer needs faster, giving me an edge.
грудня 02, 2025
Their packaging safeguards items against environmental damage during transit.
грудня 02, 2025
I've purchased from DiGi Electronics multiple times, and each time the shipping speeds amaze me—always quicker than expected.
грудня 02, 2025
Their support staff go above and beyond in troubleshooting issues after purchase, making me feel valued.
грудня 02, 2025
We feel confident in their products due to their transparent and customer-centric support approach.
грудня 02, 2025
The tracking information provided was detailed and updated frequently, giving me peace of mind during the shipping process.
грудня 02, 2025
Their products are perfect for those seeking quality and cost-effectiveness.
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Frequently Asked Questions (FAQ)
When designing in the MAX3238IPWR for a mixed-voltage system, how can I ensure reliable communication between a 3.3V microcontroller and a 5V RS-232 interface without damaging downstream components?
The MAX3238IPWR supports a wide supply voltage range (3V to 5.5V), making it ideal for bridging 3.3V and 5V domains. To ensure reliability, power the MAX3238IPWR from the 5V rail if clean and stable; its I/Os are 3.3V logic-compatible, so connecting to a 3.3V microcontroller is safe. However, confirm that your 5V supply noise stays within tolerance—use a low-ESR bypass capacitor (1μF ceramic) close to VCC to prevent glitches. This avoids level-shifting circuitry while maintaining robust RS-232 signal integrity up to ±15V on driver outputs.
Can the MAX3238IPWR replace the MAX3232E in an existing design without PCB modifications, and what risks should I evaluate?
Yes, the MAX3238IPWR is a drop-in replacement for the MAX3232E in most cases—both are 5-driver/3-receiver, full-duplex RS-232 transceivers in 28-TSSOP. However, verify that your board layout accommodates the MAX3238IPWR’s lower typical quiescent current (1μA vs. up to 1.2mA for MAX3232E), which improves power efficiency. More critically, ensure your external capacitors (charge pump) meet the 0.1μF requirement—while both use similar values, poor PCB decoupling can increase transient glitches. Also, confirm that the higher data rate (250kbps vs. 120kbps) doesn’t expose signal integrity issues in long or unterminated lines.
How does the MAX3238IPWR perform in industrial environments with high EMI, and what design practices reduce receiver errors?
The MAX3238IPWR operates reliably in industrial settings (-40°C to 85°C) and includes 300mV receiver hysteresis to reject noise. To reduce EMI-related errors, use shielded twisted-pair cables for RS-232 lines and terminate them close to the connector. Avoid routing high-speed digital traces near RS-232 signal paths. Additionally, place 1nF feedthrough capacitors on receiver inputs if noise is severe. Keeping the 0.1μF charge pump capacitors ceramic and under 10mm trace length from the device prevents voltage sag during transitions, ensuring stable ±7.5V RS-232 levels.
What are the reliability risks of using the MAX3238IPWR in high-humidity applications, and how does its MSL rating impact manufacturing?
The MAX3238IPWR has an MSL 1 (Unlimited) rating, meaning it can be stored in ambient conditions without moisture sensitivity concerns—ideal for humid environments or extended manufacturing cycles. However, while the device is RoHS3 and REACH compliant, PCBs in high-humidity applications should use conformal coating to prevent leakage currents on exposed traces. Avoid long RS-232 cable runs without shielding, as moisture ingress can increase ground potential differences, leading to false receiver thresholds. Design with robust pull-downs on control inputs to prevent unintended driver activation during power-up.
Compared to the SP3232E, is the MAX3238IPWR a better choice for low-power battery-operated designs, and what trade-offs exist?
Yes, the MAX3238IPWR is superior for low-power designs, drawing only 1μA typical quiescent current in shutdown mode versus ~1mA for the SP3232E. This makes it ideal for portable medical or data logging systems. However, ensure your power supply can handle the inrush current during startup due to the on-chip charge pump. Use a soft-start regulator if needed. While both support 250kbps, the MAX3238IPWR offers better ESD protection (±15kV HBM) than the SP3232E (±8kV), reducing field failure risk. The trade-off is cost—MAX3238IPWR is typically pricier, but the improved reliability justifies it in mission-critical applications.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
MAX3238IPWR CAD Models
Texas Instruments MAX3238IPWR PCB symbols & footprints
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