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AM26LV31CDR
Texas Instruments
IC DRIVER 4/0 16SOIC
37802 Pcs New Original In Stock
4/0 Driver RS422, RS485 16-SOIC
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*Quantity
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Minimum 1
5.0 / 5.0
- (42 Ratings)
AM26LV31CDR
Product Overview
1237800
DiGi Electronics Part Number
AM26LV31CDR-DGManufacturer
Texas Instruments
AM26LV31CDR
Description
IC DRIVER 4/0 16SOICInventory
37802 Pcs New Original In Stock
4/0 Driver RS422, RS485 16-SOIC
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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365 - Day Quality Guarantee - Every part fully backed.
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Worldwide Delivery in 3-5 Business Days
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AM26LV31CDR Technical Specifications
Category
Interface, Drivers, Receivers, Transceivers
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Last Time Buy
Type
Driver
Protocol
RS422, RS485
Number of Drivers/Receivers
4/0
Duplex
-
Data Rate
-
Voltage - Supply
3V ~ 3.6V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (0.154", 3.90mm Width)
Supplier Device Package
16-SOIC
Base Product Number
AM26LV31
Datasheet & Documents
HTML Datasheet
AM26LV31CDR-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
AM26LV31CDR-DG
296-25912-1
296-25912-2
927-AM26LV31CDRTR
927-AM26LV31CDRCT
2156-AM26LV31CDR
TEXTISAM26LV31CDR
927-AM26LV31CDRDKR
927-AM26LV31CDRDKR-DG
927-AM26LV31CDRTR-DG
296-25912-6
927-AM26LV31CDRCT-DG
Standard Package
2,500
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
가격도 좋고 배송도 빨라서 매번 믿고 구매합니다.
Dec 02, 2025
이 회사와 거래하며 느낀 최고의 점은 바로 고객 배려와 포장 품질입니다.
Dec 02, 2025
Always punctual and careful with packaging—DiGi Electronics is exemplary.
Dec 02, 2025
Their customer care is prompt, knowledgeable, and genuinely helpful.
Dec 02, 2025
Fast delivery times combined with safe packaging made my purchase enjoyable.
Dec 02, 2025
The quality of service at DiGi Electronics is unmatched—I am very satisfied.
Dec 02, 2025
I appreciated the quick shipment, which made my project start seamlessly.
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Frequently Asked Questions (FAQ)
Can the AM26LV31CDR reliably interface with legacy 5V RS485 systems, and what level-shifting considerations should I account for in a mixed-voltage design?
The AM26LV31CDR operates on a 3V to 3.6V supply and is not 5V I/O tolerant, so direct connection to 5V RS485 buses risks device damage. When interfacing with legacy 5V systems, use bidirectional level translators like the TXS0108E or isolation buffers such as the ISO3072 to ensure signal compatibility and protect the AM26LV31CDR. Additionally, confirm that the external fail-safe biasing network on the differential lines doesn't pull beyond the driver's output common-mode range. This approach maintains signal integrity while mitigating long-term reliability risks due to overvoltage stress.
Is the AM26LV31CDR a viable drop-in replacement for the MAX3031EESE+T in a high-noise industrial environment, and what design adjustments are needed?
While the AM26LV31CDR and MAX3031EESE+T both support RS422/RS485 protocols, the AM26LV31CDR lacks integrated ESD and surge protection, unlike the MAX3031EESE+T which includes ±15kV ESD protection. Replacing the MAX3031EESE+T with the AM26LV31CDR requires adding external TVS diodes (e.g., SP3301-4LC) on A/B lines and robust PCB layout practices—such as minimizing stub lengths and using ground planes—to maintain signal integrity and noise immunity in industrial settings. Always verify bus loading, as the MAX3031 supports higher node counts due to lower input leakage.
What are the key thermal and PCB layout concerns when using the AM26LV31CDR in a densely populated 485 network with continuous high-speed transmission?
The AM26LV31CDR dissipates heat through its SOIC package, which has limited thermal conductivity. In dense layouts with continuous data transmission, ensure adequate copper planes connected to GND pins for heat spreading and avoid placing heat-sensitive components nearby. Use at least two thermal vias under the exposed pad (if available) and maintain spacing of 0.5mm between traces to prevent crosstalk. Consider duty cycling or reducing slew rates via external filtering if average current exceeds 30mA to prevent junction temperature rise beyond recommended limits.
How does the end-of-life (Last Time Buy) status of the AM26LV31CDR impact long-term reliability and supply chain planning for new designs?
With the AM26LV31CDR marked as Last Time Buy, new designs risk future obsolescence and potential redesign costs. For long-term reliability and supply continuity, consider pin-compatible alternatives like the SN65LVDS31 (with extended supply range) or redesign with modular interface boards to ease future swaps. Secure at least 2–3 years of inventory or engage with distributors for allocation programs. Also verify the AM26LV31IDR (industrial temp version) isn’t a better fit, though it’s also nearing obsolescence—evaluate long-term availability of second sources early in the design cycle.
What signal integrity trade-offs should I expect when replacing the AM26LV31CDR with the MAX3030ECSE+T in an existing high-speed RS422 link?
Swapping the AM26LV31CDR with the MAX3030ECSE+T introduces differences in slew rate control and output drive strength. The MAX3030ECSE+T has controlled rise/fall times optimized for reduced EMI, whereas the AM26LV31CDR may require external RC filtering to prevent signal reflections at high speeds (above 10 Mbps). Adjust termination resistors to match cable impedance (typically 120 Ω) and ensure the MAX3030ECSE+T’s lower max data rate (if applicable) doesn’t bottleneck performance. Validate with eye diagram testing on the prototype to mitigate timing margin risks in high-speed RS422 links using the AM26LV31CDR footprint.
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.
AM26LV31CDR CAD Models
Texas Instruments AM26LV31CDR PCB symbols & footprints
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