Analog Devices LTC1484CN8#PBF — Sensors & Transducers
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RoHS Compliant · Lead-Free EIA-481 Standard
Analog Devices / Sensors & Transducers

LTC1484CN8#PBF RS485 Transceiver Half-Duplex 4Mbps 8-DIP

MPN LTC1484CN8#PBF
End of Life Spot Stock · 24-48h Dispatch 100% Original Sealed

Analog Devices LTC1484CN8#PBF, half-duplex RS422/RS485 transceiver, 1 driver / 1 receiver, 4Mbps data rate, 8-DIP through-hole package, 4.75V–5.25V supply, 0°C–70°C operating temperature.

In Stock: 454 pcs
MOQ: 1 pcs
Logistics: DHL / FedEx DAP (Global Express · 3-7d) Russia & CIS DDP (Door-to-Door Cleared)
Dispatch: Shenzhen / HK
Unit Price (USD)
$5.70 / pc
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1+ pcs
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454 in stock — maximum per order · 3–4 days lead time

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[SPEC] Essential Parameters Snapshot Full Specifications (11)
Package / Case 8-DIP (0.300", 7.62mm)
Supply Voltage 4.75V ~ 5.25V

Full Technical Specifications

11 Parameters
LTC1484CN8#PBF specifications
Parameter / AttributeSpecification / Value
TypeTransceiver
MountingThrough Hole
Supply voltage4.75V ~ 5.25V
ProtocolRS422, RS485
Operating temperature0°C ~ 70°C
DuplexHalf
PackageTube
Data rate4Mbps
Case8-DIP (0.300\", 7.62mm)
Receiver hysteresis30 mV
Number of drivers (Receivers)1/1
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Technical Details & Description

The 4Mbps data rate suits moderate-speed industrial buses — think PLC-to-sensor links, building automation backplanes, or motor-drive status lines where the cable run stays under a few hundred metres. Supply voltage spans 4.75V to 5.25V, so it runs directly off a 5V rail without an external regulator. The 30 mV receiver hysteresis gives a noise margin that handles common-mode shifts on twisted-pair cabling in electrically noisy factory floors.

Temperature grade and package — design constraints

For industrial or automotive temperature exposure, the ADM4852ARZ extends the range to -40°C to 85°C. The 8-DIP through-hole package (0.300-inch row spacing) is a legacy footprint still common in breadboard prototyping, socketed modules, and wave-solder production lines. It mates with standard 8-pin DIP sockets or can be soldered directly into plated through-holes.

The ROHS3 compliance covers current EU and global solderability requirements.

Frequently asked questions

Is LTC1484CN8#PBF a half-duplex or full-duplex transceiver?

Half-duplex — the driver and receiver share the same bus pair, so the line must be turned around between transmit and receive. This is standard for multi-drop RS485 networks where only one node talks at a time.

Can LTC1484CN8#PBF work with 3.3V logic inputs?

The supply voltage is 4.75V–5.25V, and the logic input thresholds are referenced to that 5V rail. 3.3V logic may not reliably cross the VIH minimum — a level shifter or open-drain buffer is recommended between a 3.3V controller and this transceiver.

When sourcing LTC1484CN8#PBF, what is the closest functional second-source — ADM485JNZ?

The ADM485JNZ is a near pin-compatible half-duplex RS485 transceiver in the same 8-DIP package, with a slightly higher 5Mbps data rate and a larger 70 mV receiver hysteresis. It operates over the same 0°C–70°C commercial range. Confirm the receiver hysteresis difference — 70 mV vs 30 mV — may affect noise margin on long cable runs.

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