ICBOMS
Analog Devices LT1781CN#PBF — Sensors & Transducers
Technical Documents PDF / CAD
Manufacturer Datasheet (External) ↗
RoHS Compliant · Lead-Free EIA-481 Standard
Analog Devices / Sensors & Transducers

LT1781CN#PBF RS-232 Transceiver, 250 kBd, 16-PDIP

MPN LT1781CN#PBF
End of Life Spot Stock · 24-48h Dispatch 100% Original Sealed

Analog Devices LT1781CN#PBF, RS-232 Transceiver, Full Duplex, 2/2 Drivers/Receivers, 250 kBd, 4.5V–5.5V Supply, 0°C–70°C, 16-PDIP (0.300", 7.62mm), Tube

In Stock: 525 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)
$7.42 / pc
Direct Purchase Ready
Volume Pricing Breaks Confirmed upon quotation
1+ pcs
$7.42
10+ pcs
$6.68
30+ pcs
$6.08
100+ pcs
$5.49
500+ pcs
$5.12
Working on a production BOM or have a target unit price? Submit Target Price
Buy Now

$7.42 / ea

525 in stock — maximum per order · 3–4 days lead time

$6.68 / ea from 10 pcs
Upload Full BOM List
100% Original Sealed 45x Microscope QC 30-Day Warranty · COC USD T/T & PI · DAP/DDP
[SPEC] Essential Parameters Snapshot Full Specifications (11)
Package / Case 16-DIP (0.300", 7.62mm)
Supply Voltage 4.5V ~ 5.5V

Full Technical Specifications

11 Parameters
LT1781CN#PBF specifications
Parameter / AttributeSpecification / Value
TypeTransceiver
MountingThrough Hole
Supply voltage4.5V ~ 5.5V
ProtocolRS232
Operating temperature0°C ~ 70°C
DuplexFull
PackageTube
Data rate250KBd
Case16-DIP (0.300\", 7.62mm)
Receiver hysteresis400 mV
Number of drivers (Receivers)2/2
[DESK] Shenzhen Spot Allocation · 2h Response

Need Immediate Spot Stock or Shortage Allocation for LT1781CN#PBF?

Factory lead times blocking production? We lock verified brand-new original stock in Shenzhen within 2 hours.

Quote SLA 2 Hours
[01] Emergency Shortage 24-48h Shenzhen Dispatch

Direct access to Shenzhen floor inventory, franchised allocation buffers, and factory bonded stock to resolve line-down shutdowns.

[02] Industrial Packaging Tape & Reel / Tray / Tube

Standard factory-sealed packaging compliant with EIA-481 standards for automated high-speed SMT pick-and-place lines.

[03] WhatsApp QC Proof 45x Microscope QC Photos

High-resolution photos of original reel labels, 2D DataMatrix, and pin coplanarity sent via WhatsApp/Telegram before you release wire payment.

● USD Wire Transfer (SWIFT T/T) · DAP Express / DDP Delivery
WhatsApp Inquiry Request Spot Quote

Technical Details & Description

RS-232 Interface IC in 16-PDIP

It operates from a single 4.5V to 5.5V supply and supports a data rate of 250 kBd, making it suitable for legacy serial ports, industrial control panels, and test equipment that still use DB-9 or DB-25 connectors.

Commercial Temperature Range and Through-Hole Mounting

The 16-DIP (0.300", 7.62mm) package with through-hole mounting simplifies prototyping and field replacement compared to surface-mount packages, but occupies more board area and limits placement density on high-volume boards. Among RS-232 transceivers in similar DIP packages, the ADM233LJNZ runs at 120 Kbps (roughly half the data rate) and the ADM222ANZ offers 200 Kbps with a wider -40°C to 85°C temperature range, so the LT1781CN#PBF sits in the middle on speed but is limited to commercial temperature.

Frequently asked questions

Where can I buy LT1781CN#PBF?

Buyers need immediate sourcing options to place orders.

What is the price of LT1781CN#PBF?

Price determines purchase decisions and budget planning.

Is LT1781CN#PBF obsolete?

Lifecycle status affects availability and long-term reliability for designs.

What are the alternatives to LT1781CN#PBF?

Engineers and buyers need drop-in replacements or cross references for sourcing flexibility.

Does LT1781CN#PBF require external capacitors?

RS232 transceivers often need charge pump capacitors; missing this spec can cause design failures.

What is the pinout of LT1781CN#PBF?

Designers need pin mapping to ensure correct PCB layout and circuit integration.

LT1781CN#PBF
Verified Allocation
Quote