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MAX3226EEAE+

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by adom

Maxim Integrated Pre-ordered Chips, SSOP-16-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MAX3226EEAE+

Maxim Integrated · Pre-ordered Chips · SSOP-16-208mil

MAX3226EEAE+ from Maxim Integrated, in a SSOP-16-208mil. 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 READY output READY is an active-high ready-to-transmit output that goes high when V- goes below -4V and the device is ready to transmit.
2 C1+ passive Positive terminal of the voltage-doubler charge-pump capacitor.
3 V+ power_out V+ is the +5.5V supply generated by the charge pump.
4 C1- passive Negative terminal of the voltage-doubler charge-pump capacitor.
5 C2+ passive Positive terminal of the inverting charge-pump capacitor.
6 C2- passive Negative terminal of the inverting charge-pump capacitor.
7 V- power_out V- is the -5.5V supply generated by the inverting charge pump.
8 R1IN input RS-232 receiver input that tolerates ±25V relative to GND per the absolute maximum ratings.
9 R1OUT output TTL/CMOS receiver output.
10 INVALID output Active-low valid-signal detector output; a logic high indicates that a valid RS-232 level is present on a receiver input.
11 T1IN input TTL/CMOS transmitter input with no pullup; connect unused inputs to GND or VCC.
12 FORCEON input Active-high force-on input that overrides AutoShutdown Plus to keep transmitters and receivers on, provided FORCEOFF is high.
13 T1OUT output RS-232 transmitter output that goes high impedance when disabled and can be driven to ±12V when powered off or shut down.
14 GND power_in Ground reference for the device.
15 VCC power_in Single supply voltage input, +3.0V to +5.5V.
16 FORCEOFF input Active-low force-off input; when low, transmitters are high impedance, charge pumps are shut down, and receivers stay active.

Key specifications

Parameter Value
Manufacturer Maxim Integrated
Package SSOP-16-208mil
Category Interface ICs
Pins 16

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 Current, AutoShutdown Plus 1 10 μA FORCEON = GND, FORCEOFF = VCC, all R_IN idle, all T_IN idle 6
Supply Current, Shutdown 1 10 μA FORCEOFF = GND 6
Supply Current, AutoShutdown Plus Disabled 0.3 1 mA FORCEON = FORCEOFF = VCC, no load 6
Input Logic Threshold Low 0.8 V T_IN, FORCEON, FORCEOFF 6
Input Logic Threshold High 2 V T_IN, FORCEON, FORCEOFF, VCC = 3.3V 6
Input Logic Threshold High 2.4 V T_IN, FORCEON, FORCEOFF, VCC = 5.0V 6
Transmitter Input Hysteresis 0.5 V 6
Input Leakage Current -1 0.01 1 μA T_IN, FORCEON, FORCEOFF 6
Output Voltage Low 0.4 V IOUT = 1.6mA 6
Input Voltage Range -25 25 V RECEIVER INPUTS 6
Input Hysteresis 0.5 V RECEIVER INPUTS 6
Input Resistance 3 5 7 kΩ TA = +25°C 6
Output Voltage Swing -5 5.4 V All transmitter outputs loaded with 3kΩ to ground 6
Output Resistance 300 Ω VCC = V+ = V- = 0V, transmitter outputs = ±2V 6
Output Short-Circuit Current -60 60 mA 6
Output Leakage Current -25 25 µA VCC = 0V or 3V to 5.5V, VOUT = ±12V, Transmitters disabled 6
ESD Protection IEC 1000-4-2 Air Discharge -15 15 kV R_IN, T_OUT 7
ESD Protection IEC 1000-4-2 Contact Discharge -8 8 kV R_IN, T_OUT 7
ESD Protection Human Body Model -15 15 kV R_IN, T_OUT 7
INVALID, READY Output Voltage Low 0.4 V IOUT = -1.6mA (MAX3224E-MAX3227E) 7
Receiver Input Threshold to INVALID Output Low tAUTOSHDN tAUTOSHDN 15 30 60 s VCC = 5V, Figure 5b (Note 2) 7
Maximum Data Rate 250 kbps RL = 3kΩ, CL = 1000pF, one transmitter switching 8
Transmitter Skew 100 ns │tPHL - tPLH│ (Note 3) 8
Receiver Skew 50 ns │tPHL - tPLH│ 8
Transition-Region Slew Rate 6 30 V/μs VCC = 3.3V, TA = +25°C, RL = 3kΩ to 7kΩ, measured from +3V to -3V or -3V to +3V, one transmitter switching, CL = 150pF to 1000pF 8
Supply Voltage VCC VCC 3 5.5 V C1-C4 = 0.1μF, tested at 3.3V ±10% 6
Operating Temperature Range MAX32_ EE _ TA -40 85 °C 2
VCC to GND VCC -0.3 6 V 2
V+ to GND V+ -0.3 7 V Note 1 2
V- to GND V- -7 0.3 V Note 1 2
V+ + /V-/ 13 V Note 1 2
T_IN, FORCEON, FORCEOFF to GND -0.3 6 V 2
R_IN to GND -25 25 V 2
T_OUT to GND -13.2 13.2 V 2
Storage Temperature Range -65 160 °C 2
Lead Temperature (soldering, 10s) 300 °C soldering, 10s 2
Soldering Temperature (reflow) 260 °C reflow 2
Thermal Resistance Junction to Ambient, single layer board (16-SSOP) θJA 140 Single layer board 2
Thermal Resistance Junction to Case, single layer board (16-SSOP) θJC 34 Single layer board 2
Thermal Resistance Junction to Ambient, four-layer board (16-SSOP) θJA 86 Four-layer board 2
Thermal Resistance Junction to Case, four-layer board (16-SSOP) θJC 33 Four-layer board 2

CAD (KiCad official)

  • Symbol: MAX3226EEAE+
  • Footprint: Package_SO:SSOP-16_5.3x6.2mm_P0.65mm
  • 3D model: SSOP-16-208mil (KiCad packages3D, STEP)
  • 3D model files: max3226eeae-etched.step / max3226eeae-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max3226eeae.step / max3226eeae.glb are the bare package body.

Provenance

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

  • Datasheet: Maxim Integrated datasheet (25 pp, sha256 8542587c6f3a36a5, 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