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MAX3281EAUT+T

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Maxim Integrated Buffers / Drivers, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MAX3281EAUT+T

Maxim Integrated · Buffers / Drivers · SOT-23-6

MAX3281EAUT+T from Maxim Integrated, in a SOT-23-6. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VCC power_in Positive Supply: 3V ≤ VCC ≤ 5.5V; bypass with a 0.1µF capacitor to GND.
2 GND power_in Ground reference; all device voltages are referenced to GND.
3 RO output Receiver Output: RO is high if (VA - VB) ≥ -50mV and low if (VA - VB) ≤ -200mV.
4 B input Inverting Receiver Input; the common-mode input range is -7V to +12V.
5 EN input Receiver Output Enable (active high): drive EN high to enable RO; when EN is low, RO is high impedance.
6 A input Noninverting Receiver Input; the common-mode input range is -7V to +12V.

Key specifications

Parameter Value
Manufacturer Maxim Integrated
Package SOT-23-6
Category Logic ICs
Pins 6

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply Voltage VCC 3 5.5 V 3
Receiver Enable Input Low VENIL 0.4 V MAX3281E, MAX3283E only 3
Receiver Enable Input High VENIH 2 V MAX3281E, MAX3283E only 3
Receiver Enable Input Leakage ILEAK -10 10 µA MAX3281E, MAX3283E only 3
Receiver Differential Threshold Voltage VTH -200 -125 -50 mV -7V ≤ VCM ≤ +12V (Note 4) 3
Receiver Output Low Voltage VOL 0.4 V IOL = 4mA, RO low 3
Three-State Output Current at Receiver IOZR -5 5 µA 0 ≤ VO ≤ VCC, RO = high impedance 3
Receiver Input Resistance RIN 48 kW -7V ≤ VCM ≤ +12V (Note 5) 3
Receiver Output Short-Circuit Current IOSR -130 130 mA 0 ≤ VRO ≤ VCC 3
Input Current (A and B) IA, B 250 µA VCC = VGND or 5.5V; VIN = +12V 3
Input Current (A and B) IA, B -200 µA VCC = VGND or 5.5V; VIN = -7V 3
Receiver Input Hysteresis ∆VTH 25 mV VA + VB = 0V 3
Supply Current ICC 9 15 mA No load 3
ESD Protection Human Body Model (A, B) -15 15 kV Human Body Model 3
ESD Protection IEC1000-4-2 Air-Gap Discharge (A, B) -12 12 kV IEC1000-4-2 (Air-Gap Discharge) 3
ESD Protection IEC1000-4-2 Contact Discharge (A, B) -6 6 kV IEC1000-4-2 (Contact Discharge) 3
Maximum Data Rate fMAX 52 Mbps CL = 15pF (Notes 5, 6) 4
Receiver Propagation Delay (tPLH) tPLH 7 15 ns Figure 1, CL = 15pF, VID = 2V, VCM = 0V 4
Receiver Propagation Delay (tPHL) tPHL 8 15 ns Figure 1, CL = 15pF, VID = 2V, VCM = 0V 4
Receiver Output /tPLH - tPHL/ (skew) tPSKEW 2 ns Figure 1, CL = 15pF, TA = +25°C 4
Device-to-Device Propagation Delay Matching 8 ns Same power supply, maximum temperature difference between devices = +30°C (Note 5) 4
Receiver Enable to Output Low tPRZL 500 ns Figure 2, CL = 15pF 4
Receiver Enable to Output High tPRZH 500 ns Figure 2, CL = 15pF 4
Receiver Disable Time from Low tPRLZ 500 ns Figure 2, CL = 15pF 4
Receiver Disable Time from High tPRHZ 500 ns Figure 2, CL = 15pF 4
Supply Voltage (VCC) absolute maximum VCC -0.3 6 V 2
Control Input Voltage (EN, EN) -0.3 6 V 2
Receiver Input Voltage (A, B) -7.5 12.5 V 2
Operating Temperature Range -40 125 °C MAX328_EA__ 2
Storage Temperature Range -65 150 °C 2
Junction Temperature 150 °C 2
Lead Temperature (soldering) 300 °C soldering, 10s 2
Soldering Temperature (reflow) 260 °C 2
Thermal Resistance, Single-Layer Board, Junction to Case θJC 80 °C/W 2
Thermal Resistance, Multi-Layer Board, Junction to Ambient θJA 115 °C/W 2
Thermal Resistance, Multi-Layer Board, Junction to Case θJC 80 °C/W 2

CAD (KiCad official)

  • Symbol: MAX3281EAUT+T
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: max3281eaut-t-etched.step / max3281eaut-t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max3281eaut-t.step / max3281eaut-t.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Maxim Integrated datasheet (11 pp, sha256 ddcc0fd9510673c4, retrieved 2026-10-28, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF