SN65HVD23P - 25 Mbps Extended CM RS-485 Transceiver | TI
MPN: SN65HVD23P ✓ সক্রিয়SN65HVD23P সারাংশ
An RS-485 transceiver is the physical-layer interface between a digital controller or microcontroller and a balanced, multipoint communication bus. It combines a differential line driver, a differential receiver, and driver-enable control in one package. In the hierarchy of electronic components, the SN65HVD23P is a bus transceiver within the interface IC category, bridging a logic-level UART or controller connection to a noise-resistant differential bus.
Key features include a 25 Mbps maximum signaling rate, extended common-mode operation from -20 V to 25 V, receiver equalization for improved cable-length capability, and bus I/O protection exceeding 16 kV HBM. The reduced unit-load architecture allows up to 256 nodes on a bus, an important distinction from transceivers designed around one-half or one-eighth unit loads. The 8-pin PDIP package also provides through-hole mechanical compatibility for industrial and legacy control equipment.
The transceiver combines a push-pull differential driver with a high-impedance differential receiver. Because it is a half-duplex device, the driver and receiver share the same bus pair, making the driver-enable function essential for preventing multiple transmitters from driving the bus simultaneously. The extended common-mode capability helps the receiver interpret differential signals correctly when bus nodes are separated by significant ground potential, although cable routing and grounding still determine practical noise immunity.
Typical applications include industrial factory automation, motor controllers, building-automation equipment, remote sensor nodes, and industrial data acquisition. The part is particularly useful when a bus must tolerate ground offsets, longer cable runs, or more nodes than a standard RS-485 transceiver supports. Its 25 Mbps capability also suits high-rate point-to-point RS-422 links and short high-speed industrial bus segments.
For PCB implementation, treat the differential bus as a controlled-impedance routed pair and keep the transceiver close to the connector or cable termination. Place termination resistors only at the physical ends of the bus. Verify the logic polarity of the driver-enable input in the host firmware because incorrect enable sequencing can cause contention or bus termination faults.
This page combines the verified manufacturer and distributor information with engineering guidance covering common-mode range, bus loading, protection, package reuse, replacement constraints, and design trade-offs that are not presented as one consolidated decision source in the manufacturer product listing.
এর জন্য ড্রপ-ইন বিকল্প SN65HVD23P — একই package, pin-to-pin compatible। ভিন্ন package-এর যেসব পার্টে PCB rework প্রয়োজন সেগুলো বাদ দেওয়া হয়েছে।
SN65HVD24P
✅ ড্রপ-ইন ⚠️ স্পেক যাচাইকৃত নয়📋 রেফারেন্স বিকল্প (ক্যাটালগে নেই)
SN65HVD25P
✅ ড্রপ-ইন ⚠️ স্পেক যাচাইকৃত নয়📋 রেফারেন্স বিকল্প (ক্যাটালগে নেই)
SN65HVD26P
✅ ড্রপ-ইন ⚠️ স্পেক যাচাইকৃত নয়📋 রেফারেন্স বিকল্প (ক্যাটালগে নেই)
SN65HVD251P
✅ ড্রপ-ইন📋 রেফারেন্স বিকল্প (ক্যাটালগে নেই)
SN65HVD21P
✅ ড্রপ-ইন ⚠️ স্পেক যাচাইকৃত নয়📋 রেফারেন্স বিকল্প (ক্যাটালগে নেই)
SN65HVD23P বিশেষণ
| Product Type | RS-422/RS-485 transceiver |
| Transceiver Configuration | 1/1 transceiver, half-duplex |
| Maximum Signaling Rate | 25 Mbps |
| Common-Mode Voltage Range | -20 V to 25 V |
| Standard Compliance | TIA/EIA-485-A |
| Bus Node Capacity | Up to 256 nodes |
| Bus I/O ESD Protection | Over 16 kV HBM |
| Receiver Equalization | Yes |
| Package Type | 8-pin PDIP (P) |
| Package Pin Count | 8 pins |
| Package Length | 9.81 mm |
| Package Width | 9.43 mm |
| Package Body Area | 92.5083 mm² |
| মাউন্টিং স্টাইল | Through-hole PDIP |
SN65HVD23P 92.5083 mm² পিন কনফিগারেশন গাইড
SN65HVD23P (92.5083 mm² প্যাকেজ)-এর পিন কনফিগারেশন। পিন নম্বরিং, ফাংশন এবং সংযোগ ডায়াগ্রাম প্রস্তুতকারকের ডেটাশিটে সংজ্ঞায়িত করা আছে। সঠিক ফুটপ্রিন্ট এবং সোল্ডারিং নির্দেশিকার জন্য এটি দেখুন।
এর জন্য বিস্তারিত পিনআউট ডেটা পাওয়া যায়নি SN65HVD23P.
দেখুন ডেটাশিট সম্পূর্ণ পিন কনফিগারেশনের জন্য।
সাধারণ ব্যবহার
SN65HVD23P এর জন্য উপযুক্ত 6 অ্যাপ্লিকেশনs: Industrial Factory Automation Bus, Building Automation and HVAC Control, Motor Drive and Encoder Feedback, Remote Sensor and Telemetry Networks, Point-to-Point High-Speed RS-422 Link, Robotics and Mobile Equipment Communication.
Industrial Factory Automation Bus
The SN65HVD23P suits industrial automation links that require a 25 Mbps signaling rate and a broad common-mode operating range. Its documented -20 V to 25 V range helps the receiver tolerate voltage differences between grounded machines, while support for up to 256 nodes is valuable on a large production line containing controllers, sensors, and remote I/O stations. The device is placed at the bus node, with logic signals routed to the controller and the differential pair routed to a field connector. Because the transceiver is half-duplex, firmware must ensure that only one node enables its driver at a time. Compared with a standard common-mode RS-485 part, the SN65HVD23P provides additional ground-offset tolerance, although cable routing, grounding, and termination remain the primary controls for reliable industrial communication.
সুপারিশকৃত
Building Automation and HVAC Control
The SN65HVD23P fits building-control networks where controllers, thermostats, actuators, and sensors are distributed over a long cable and may sit at different ground potentials. Its extended -20 V to 25 V common-mode range provides more tolerance than the baseline TIA/EIA-485-A requirement, which is valuable in multi-floor installations with imperfect grounding. The 25 Mbps capability also leaves bandwidth margin for low-speed control traffic. The transceiver is normally installed at the edge of the controller board, with the bus pair routed to a terminal block or connector. Termination should be installed only at the two physical ends of the trunk, and long branch stubs should be minimized to preserve edge quality and reduce reflections.
সুপারিশকৃত
Motor Drive and Encoder Feedback
The SN65HVD23P can connect a motion controller to an incremental encoder or remote drive over a balanced RS-422/RS-485 link. The 25 Mbps signaling rate supports high-resolution position feedback and short-distance high-speed data transfer, while the extended common-mode range improves operation when the encoder reference ground differs from the controller ground. Install the transceiver near the differential connector and route the pair as a controlled-impedance pair to reduce noise pickup. The extended range does not replace correct grounding or shielding, and the bus-driver enable should be sequenced so that the controller releases the bus before another node responds, avoiding output contention on the differential pair.
সুপারিশকৃত
Remote Sensor and Telemetry Networks
The SN65HVD23P is appropriate for distributed telemetry networks in which many remote sensing nodes share a two-wire bus. Its reduced unit-load implementation supports up to 256 nodes, enabling larger deployments than transceivers specified with one-half or one-eighth unit loads. The -20 V to 25 V common-mode range also assists installations where sensors are powered from different isolated or locally referenced supplies. Place the transceiver at each sensor node, connect the differential bus to a common routed pair, and apply termination only at the bus endpoints. The 25 Mbps rate is more than sufficient for many sensor protocols and gives additional margin for shorter links where packet timing, rather than baud rate, is the limiting factor.
সুপারিশকৃত
Point-to-Point High-Speed RS-422 Link
Although the SN65HVD23P is widely associated with RS-485 buses, its differential driver and receiver also support point-to-point RS-422-style links. The 25 Mbps signaling rate is valuable for transferring position commands, encoder counts, or machine-control data over a dedicated balanced pair between two cabinets. Extended common-mode tolerance provides additional protection when the two systems are not perfectly grounded. At each endpoint, the transceiver connects the differential pair to a controller UART or logic interface, and the cable should be routed as a pair to minimize differential-mode pickup and impedance discontinuities. For long cables or high data rates, verify skew, attenuation, reflections, and the receiver's valid differential voltage at the far end.
সুপারিশকৃত
Robotics and Mobile Equipment Communication
The SN65HVD23P fits mobile robots and industrial vehicles where controller electronics, motor drives, and sensor modules communicate over a shared bus while power returns and grounding conditions vary. Its extended common-mode range provides tolerance for transients and ground offsets in electrically noisy equipment, and the 25 Mbps capability supports high-rate position or status traffic. The transceiver should be mounted near the connector or protected chassis entry point, with ESD protection and a controlled return path considered in the board layout. Half-duplex operation requires disciplined driver-enable control so that the radio, motor controller, or sensor node does not transmit over an already active driver.
সুপারিশকৃত
সুপারিশকৃত পণ্যের সারসংক্ষেপ
এর জন্য ইঞ্জিনিয়ারিং রেফারেন্স ডেটা SN65HVD23P — তুলনা, ডিজাইন গাইডেন্স এবং কমপ্লায়েন্স তথ্য।
নির্বাচন গাইড
বিকল্পের সাথে তুলনা
| পারামিটার | এই পণ্য | SN65HVD24P | SN65HVD25P | SN65HVD26P | SN65HVD251P | SN65HVD21P |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 8-pin PDIP (P) | 8-pin PDIP (P) | 8-pin PDIP (P) | 8-pin PDIP (P) | 8-pin PDIP (P) | 8-pin PDIP (P) |
মূল পার্থক্যসমূহ
- Wider documented common-mode operating range than the related SN65HVD25P candidate (বনামSN65HVD25P)
- Higher documented signaling rate than the SN65HVD21P candidate (বনামSN65HVD21P)
- Large-network support in an 8-pin through-hole package (বনামSN65HVD251P)
ডিজাইন নোট
Route the differential bus conductors as a tightly coupled pair from the transceiver to the connector, with continuous return routing and no plane splits beneath the pair. Keep the driver and receiver interface close to the device and avoid long stubs. Because the SN65HVD23P supports 25 Mbps, edge-rate harmonics are significant even when the payload baud rate is much lower. Add connector-side protection and controlled chassis grounding if the cable leaves the enclosure.
Do not enable more than one transmitter on the shared bus at a time. The SN65HVD23P is half-duplex, so driver-enable timing must prevent contention when a controller responds to another node. Place termination only at the two physical endpoints of the trunk rather than at every node, and leave branch stubs as short as practical. Confirm that the host firmware uses the correct driver-enable polarity rather than assuming an active-high or active-low input.
The extended -20 V to 25 V common-mode range improves tolerance of ground offsets, but it does not replace proper EMC engineering. Use a shielded cable where required, terminate the cable shield according to the installation's grounding strategy, and keep protective devices away from the high-speed bus pins. Verify conducted and radiated emissions at the final baud rate because the 25 Mbps edge capability can radiate harmonics even when application data is transmitted at a lower rate.
কমপ্লায়েন্স তথ্য
The supplied verified excerpts identify the SN65HVD23P package, interface type, common-mode range, node capacity, protection, and TIA/EIA-485-A compliance but do not explicitly state RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. AEC-Q100 is not applicable to the non-automotive SN65HVD23P ordering code as presented.
