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Analog Devices DS2482S-800+T&R — Sensors & Transducers

DS2482S-800+T&R – Analog Devices 1-Wire to I²C Bridge IC

MPNDS2482S-800+T&R
End of Life

Analog Devices DS2482S-800+T&R, 1-Wire® to I²C bridge master, 8-channel, 16-SOIC (3.90 mm width), 3.3 V / 5 V supply, 750 µA supply current, -40°C to 85°C, ROHS3 compliant.

$10.82Ref. price · indicative, final on quote
Analog Devices DS2482S-800+T&R datasheet (PDF)
Packaging16-SOIC (0.154", 3.90mm Width)
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

DS2482S-800+T&R specifications
ParameterValue
Supply voltage3.3V, 5V
Current - supply750µA
Protocol1-Wire®
InterfaceI²C
Operating temperature-40°C ~ 85°C
PackageTape & Reel (TR); Cut Tape (CT)
FunctionBridge, 1-Wire® to I²C
Case16-SOIC (0.154\", 3.90mm Width)

Product details

What this bridge does on the bus

The DS2482S-800+T&R acts as a protocol translator, converting an I²C master command stream into the 1-Wire® timing and signalling needed to communicate with up to eight 1-Wire slave devices on a single bus.

Supply voltage flexibility and temperature grade

Rated for both 3.3 V and 5 V supply rails, the DS2482S-800+T&R bridges systems where the I²C master runs at one voltage and the 1-Wire bus needs the other — no external level shifter required.

ROHS3 compliant — no exemption-based solder restrictions.

Frequently asked questions

Is DS2482S-800+T&R compatible with both 3.3V and 5V systems?

Yes — the voltage supply range covers both 3.3 V and 5 V. The I²C interface operates at the supply voltage; the 1-Wire bus can be driven at the same level or with an external pull-up resistor to a different rail, depending on the 1-Wire slave requirements.

How many 1-Wire devices can be connected to one DS2482S-800+T&R?

The DS2482S-800+T&R supports up to eight 1-Wire devices on a single bus (implied by the '8CH' in the description,). The practical limit depends on cable length and parasitic capacitance — for long runs, a 1-Wire repeater or shorter stub lengths may be needed.

What is the difference between DS2482S-800+T&R and DS2482S-800+?

The DS2482S-800+T&R is the tape-and-reel (T&R) packaging variant of the DS2482S-800+ (tube). The electrical function, pinout, and package (16-SOIC) are identical. The T&R suffix is for automated pick-and-place assembly.

What is the maximum cable length for 1-Wire with DS2482S-800?

The evidence does not specify a maximum cable length. In practice, 1-Wire networks with the DS2482S-800 can run up to 100–300 meters depending on wire gauge, number of devices, and data rate, but this is application-specific and not guaranteed by the datasheet alone.