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DS3695N
Texas Instruments
IC TRANSCEIVER HALF 1/1 8DIP
1426 Pcs New Original In Stock
1/1 Transceiver Half RS422, RS485 8-PDIP
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5.0 / 5.0
- (468 Ratings)
DS3695N
Product Overview
1364072
DiGi Electronics Part Number
DS3695N-DGManufacturer
Texas Instruments
DS3695N
Description
IC TRANSCEIVER HALF 1/1 8DIPInventory
1426 Pcs New Original In Stock
1/1 Transceiver Half RS422, RS485 8-PDIP
Quantity
Minimum 1
Minimum 1
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DS3695N Technical Specifications
Category
Interface, Drivers, Receivers, Transceivers
Packaging
-
Series
-
Product Status
Obsolete
Type
Transceiver
Protocol
RS422, RS485
Number of Drivers/Receivers
1/1
Duplex
Half
Receiver Hysteresis
70 mV
Data Rate
-
Voltage - Supply
4.75V ~ 5.25V
Operating Temperature
0°C ~ 70°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Supplier Device Package
8-PDIP
Base Product Number
DS3695
Datasheet & Documents
Datasheets
Download DS3695N Product Specification (PDF)
HTML Datasheet
DS3695N-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Standard Package
40
Alternative Parts
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MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
가격이 좋아서 계속 이용하고 있으며, 고객 서비스도 최고입니다.
de desembre 02, 2025
DiGi Electronics exemplifies excellence both in their products and their professional team.
de desembre 02, 2025
Their after-sales support made troubleshooting a breeze.
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Frequently Asked Questions (FAQ)
Can the DS3695N be used in new designs given its obsolete status, and what are the long-term reliability risks?
The DS3695N is marked as obsolete by Texas Instruments, which means it's no longer recommended for new designs due to potential long-term availability and support issues. While current stock (1393 pcs) may suffice for small or legacy system repairs, using the DS3695N in new production designs carries supply chain risks including end-of-life component shortages and lack of manufacturer warranty or failure analysis support. For reliable, scalable designs, consider migrating to active-recommended alternatives like the SN75179B or MAX3085, which offer improved obsolescence resilience and better long-term support. If you must use the DS3695N, secure enough lifetime buy stock and evaluate second-source options early in the design phase to mitigate field failure risks.
How does the DS3695N handle bus contention in half-duplex RS485 networks, and what design precautions are needed?
The DS3695N is a half-duplex transceiver (1 driver/1 receiver), meaning the driver and receiver share the same bus, so timing-critical control of the driver-enable signal is essential to prevent bus contention. In RS485 networks, if multiple nodes transmit simultaneously due to improper enable timing, it can cause data corruption or increased bus current. To mitigate this with the DS3695N, ensure the driver-enable control line has fast fall/rise times and is tightly synchronized with your MCU’s UART logic—preferably using hardware flow control or a dedicated GPIO with minimal software latency. Additionally, always include fail-safe biasing (pull-up on non-inverting, pull-down on inverting lines) to prevent receiver chatter during idle periods, especially in electrically noisy environments.
What are the key differences between the DS3695N and modern alternatives like the LTC485CN8#PBF in terms of ESD protection and signal integrity?
The DS3695N lacks modern on-chip ESD protection—typical for older transceivers—which makes it more susceptible to damage during handling or in high-static environments. In contrast, the LTC485CN8#PBF includes ±15kV ESD protection on bus pins, significantly improving field reliability. Additionally, the DS3695N does not specify data rate in its documentation, indicating it's suited only for low-to-moderate speed applications (likely below 1-2 Mbps), while the LTC485 supports up to 5 Mbps. The higher receiver hysteresis (70 mV) in the DS3695N helps noise immunity, but its through-hole DIP package increases parasitic inductance, limiting high-frequency performance. For new designs in harsh environments, the LTC485CN8#PBF or SN65HVD72 offer superior signal integrity, protection, and PCB integration.
Is the DS3695N suitable for industrial environments with temperature variations beyond 70°C, and what are the failure risks?
The DS3695N is specified only for 0°C to 70°C operation, making it unsuitable for industrial environments where ambient temperatures routinely exceed 70°C, such as in outdoor enclosures or motor control cabinets. Operating outside this range risks thermal drift in driver output and receiver threshold voltages, leading to data errors or latch-up. Unlike industrial-grade transceivers (e.g., MAX13487E or SN65HVD30), the DS3695N lacks extended temperature variants (-40°C to +85°C or higher). If you must use the DS3695N in warmer settings, implement forced cooling, derate the supply voltage, and include thermal monitoring. However, for reliable operation, migrate to a drop-in industrial-grade pin-compatible alternative with wider temperature tolerance.
Can the DS3695N replace or be replaced by the LT1785CN8#PBF in existing designs, and what are the compatibility risks?
While the DS3695N and LT1785CN8#PBF are both 8-DIP half-duplex RS422/RS485 transceivers, direct substitution carries risks. The DS3695N operates on a narrow 4.75–5.25V supply and lacks modern ESD protection, whereas the LT1785CN8#PBF supports 4.75–15V supplies and includes ±10kV ESD tolerance—making it more robust. The LT1785 also has faster slew rates, which may increase EMI in legacy PCB layouts designed for the slower DS3695N. Additionally, driver output drive strength and enable pin logic thresholds differ slightly. To safely substitute, verify supply rail compatibility, check enable signal timing margins, and evaluate signal integrity on long lines. For drop-in replacement with fewer risks, the LTC485IN8#PBF, being pin- and function-compatible with DS3695N, is a better fit, though it too includes enhanced protection not present in the original design.
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.
DS3695N CAD Models
Texas Instruments DS3695N PCB symbols & footprints
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