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MAX33040EAKA+T

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Analog Devices Inc Maxim Integrated CAN Transceivers, SOT-23-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MAX33040EAKA+T

Analog Devices Inc Maxim Integrated · CAN Transceivers · SOT-23-8

MAX33040EAKA+T from Analog Devices Inc Maxim Integrated, in a SOT-23-8. 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 TXD input Transmit data input: drive high to set the driver recessive and low to set it dominant, with an internal pullup to VDD.
2 GND power_in Ground reference for the transceiver.
3 VDD power_in Supply voltage input, specified at 3.0V to 3.6V, to be bypassed to GND with a 0.1µF capacitor.
4 RXD output Receive data output: high when CANH and CANL are recessive and low when CANH and CANL are dominant.
5 SHDN input CMOS/TTL-compatible shutdown input: drive high to switch the transmitter and receiver off, with an internal pulldown resistor to GND.
6 CANL bidirectional CAN bus-line low, withstanding a short from -40V to +40V to GND and a common-mode range of ±25V.
7 CANH bidirectional CAN bus-line high, withstanding a short from -40V to +40V to GND and a common-mode range of ±25V.
8 STBY input Standby mode input: logic-high selects standby, logic-low selects normal operation, and a 39.2kΩ resistor to ground selects slow slew rate.

Key specifications

Parameter Value
Manufacturer Analog Devices Inc Maxim Integrated
Package SOT-23-8
Category Interface
Pins 8

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 VDD 3 3.6 V 4
Dominant Supply Current IDD_DOM 4.5 8 mA TXD = SHDN = STBY = 0V, RXD open, No load 4
Dominant Supply Current IDD_DOM 36 50 mA TXD = SHDN = STBY = 0V, RXD open, RLD = 60Ω 4
Recessive Supply Current IDD_REC 3.6 mA VDD = TXD = 3.3V, STBY = SHDN = 0V, RXD open, No load 4
Shutdown Current ISHDN 5 μA SHDN = STBY = TXD = VDD 4
Standby Supply Current ISTBY 60 μA STBY = TXD = VDD, SHDN = 0V, RXD open 4
ESD Protection (CANH, CANL to GND) Human Body Model -40 40 kV Human Body Model (HBM), JEDEC JS-001-2017 4
ESD Protection (All Other Pins) Human Body Model -4 4 kV Human Body Model (HBM) 4
Fault Protection Range VFP -40 40 V CANH or CANL to GND 4
Input High Voltage VIH 2 V 4
Input Low Voltage VIL 0.8 V 4
TXD Input Pullup Resistance RPU_TXD 100 250 kΩ TXD = 0V 4
STBY Input Pullup Resistance RPU_STBY 100 250 kΩ STBY = 0V 4
Output Low Voltage VOL 0.4 V Sinking 4mA, TXD = 0V 4
Input Low Voltage STBY VIL_STBY 0.2 V 4
Bus Output Voltage (Dominant) CANH VO_DOM 2.25 V t < tDOM, TXD = 0V 5
Bus Output Voltage (Dominant) CANL VO_DOM 0.5 1.25 V t < tDOM, TXD = 0V 5
Bus Output Voltage (Recessive) CANH VO_REC 1 2 V TXD = VDD, No load 5
Bus Output Voltage (Recessive) CANL VO_REC 1 2 V TXD = VDD, No load 5
Bus Output Differential Voltage (Dominant) VOD_DOM 1.5 3 V TXD = 0V, RCM = 1KΩ, -5V ≤ VCM ≤ VDD, Figure 1 5
Output Voltage Standby VO_STBY 40 120 mV TXD = STBY = VDD, no load 5
Bus Output Differential Voltage (Recessive) VOD_REC -10 10 mV TXD = VDD, RLD = 60Ω 5
Bus Output Differential Voltage (Recessive) VOD_REC -50 50 mV TXD = VDD, No load 5
Short-Circuit Current CANH ISC_CANH 2 5 mA TXD = 0V, CANH = -40V 5
Short-Circuit Current CANL ISC_CANL 2 5 mA TXD = 0V, CANL = +40V 5
Common-Mode Input Range VCM -25 25 V CANH or CANL to GND, RXD output valid 5
Common-Mode Input Range Standby Mode VCM_STBY -12 12 V CANH or CANL to GND, RXD output valid 5
Input Differential Voltage (Dominant) VID_DOM 0.9 V -25V ≤ VCM ≤ +25V, TXD = VDD 5
Input Differential Voltage (Recessive) VID_REC 0.5 V -25V ≤ VCM ≤ +25V, TXD = VDD 5
Standby Input Differential Voltage (Dominant) VID_STBYDOM 1.15 V -12V ≤ VCM ≤ +12V, TXD = VDD 5
Input Resistance RIN 10 50 kΩ TXD = VDD 5
Differential Input Resistance RIN_DIFF 20 100 kΩ TXD = VDD 5
Input Capacitance CIN 19 35 pF TXD = VDD (Note 2) 5
Input Leakage Current ILKG 100 220 μA VDD = 0V, CANH = CANL = 3.3V 5
Driver Rise Time tR 20 ns RCM = open, Figure 1, VSTBY = 0V 5
Driver Rise Time tR 100 ns RCM = open, Figure 1, 39.2kΩ resistor from STBY to GND 5
Driver Fall Time tF 25 ns RCM = open, Figure 1, VSTBY = 0V 6
Driver Fall Time tF 100 ns RCM = open, Figure 1, 39.2kΩ resistor from STBY to GND 6
TXD to RXD Loop Delay (Dominant-to-Recessive) tLOOP 70 140 ns STBY = 0V, Dominant-to-Recessive, Figure 2 6
TXD to RXD Loop Delay (Recessive-to-Dominant) tLOOP 90 140 ns STBY = 0V, Recessive-to-Dominant, Figure 2 6
TXD Propagation Delay (Recessive to Dominant) tONTXD 43 60 ns VDD = 3.3V, RCM is open, Figure 1 6
TXD Propagation Delay (Dominant to Recessive) tOFFTXD 40 60 ns VDD = 3.3V, RCM is open, Figure 1 6
RXD Propagation Delay (Recessive to Dominant) tONRXD 55 85 ns VDD = 3.3V, CL = 15pF, Figure 3 6
RXD Propagation Delay (Dominant to Recessive) tOFFRXD 45 85 ns VDD = 3.3V, CL = 15pF, Figure 3 6
TXD-Dominant Timeout tDOM 1.3 4.3 ms Figure 4 6
Standby Propagation Delay (Dominant to Recessive) tPLH_STBY 400 ns STBY = VDD, Figure 5 6
Standby to Normal Mode Delay tD_STBYN 20 μs CL = 15pF, Figure 6 6
Normal to Standby Dominant Delay tD_NSTBY 30 μs CL = 15pF, Figure 6 6
Shutdown to Normal Delay tD_SHDNN 25 μs CL = 15pF, Figure 7 6
Supply Voltage (absolute maximum) VDD -0.3 4 V 3
CANH or CANL (Continuous) CANH, CANL -40 40 V Continuous 3
TXD, STBY, SHDN Input Voltage -0.3 4 V 3
RXD Output Voltage RXD -0.3 4 V 3
Continuous Power Dissipation (SOT23) 761.9 mW Multilayer board, TA = +70°C, derate 9.5mW/°C above +70°C 3
Operating Temperature Range TA -40 125 °C 3
Junction Temperature TJ 150 °C 3
Storage Temperature Range TSTG -60 150 °C 3
Junction-to-Ambient Thermal Resistance (SOT23) θJA 105 °C/W Four-layer board, JESD51-7 3
Junction-to-Case Thermal Resistance (SOT23) θJC 42.3 °C/W 3

CAD (KiCad official)

  • Symbol: MAX33040EAKA+T
  • Footprint: Package_TO_SOT_SMD:SOT-23-8
  • 3D model: SOT-23-8 (KiCad packages3D, STEP)
  • 3D model files: max33040eaka-t-etched.step / max33040eaka-t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max33040eaka-t.step / max33040eaka-t.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices Inc Maxim Integrated datasheet (19 pp, sha256 9398f13a085fdfc3, retrieved 2026-10-18, tier: lcsc)
  • 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