component
SP232EET-L
Public Made by Adomby adom
MaxLinear RS232 ICs, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownSP232EET-L
MaxLinear · RS232 ICs · SOIC-16-300mil
SP232EET-L from MaxLinear, in a SOIC-16-300mil. 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 | C1+ | passive | Positive terminal of charge pump capacitor C1, which uses a 0.1µF to 10µF ceramic capacitor. |
| 2 | V+ | power_out | Positive charge pump output (doubled VCC) with storage capacitor, absolute maximum 11.0V. |
| 3 | C1- | passive | Negative terminal of charge pump capacitor C1. |
| 4 | C2+ | passive | Positive terminal of charge pump capacitor C2. |
| 5 | C2- | passive | Negative terminal of charge pump capacitor C2. |
| 6 | V- | power_out | Negative charge pump output with storage capacitor, absolute maximum -11.0V. |
| 7 | T2OUT | output | RS-232 transmitter 2 output with typical ±6V swing, short-circuit protected and ESD protected to ±15kV HBM. |
| 8 | R2IN | input | RS-232 receiver 2 input with range of ±15V, internal 5kΩ pull-down and ESD protection to ±15kV HBM. |
| 9 | R2OUT | output | TTL/CMOS receiver 2 output, inverted from R2IN. |
| 10 | T2IN | input | TTL/CMOS transmitter 2 input with logic thresholds of 0.8V low and 2.0V high. |
| 11 | T1IN | input | TTL/CMOS transmitter 1 input with logic thresholds of 0.8V low and 2.0V high. |
| 12 | R1OUT | output | TTL/CMOS receiver 1 output, inverted from R1IN. |
| 13 | R1IN | input | RS-232 receiver 1 input with range of ±15V, internal 5kΩ pull-down and ESD protection to ±15kV HBM. |
| 14 | T1OUT | output | RS-232 transmitter 1 output with typical ±6V swing, short-circuit protected and ESD protected to ±15kV HBM. |
| 15 | GND | power_in | Ground. |
| 16 | VCC | power_in | Single +5V ±10% supply input, absolute maximum 6.0V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MaxLinear |
| Package | SOIC-16-300mil |
| 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 |
|---|---|---|---|---|---|---|---|
| Logic threshold LOW (TIN, EN, SD, ON/OFF) | 0.8 | V | TIN, EN, SD, ON/OFF | 7 | |||
| Logic threshold HIGH (TIN, EN, SD, ON/OFF) | 2 | V | TIN, EN, SD, ON/OFF | 7 | |||
| Logic pull-up current | 15 | 200 | µA | TIN = 0V | 7 | ||
| TTL output voltage LOW | 0.4 | V | IOUT = 3.2mA, VCC = 5V | 7 | |||
| TTL output voltage HIGH | 3.5 | V | IOUT = -1.0mA | 7 | |||
| RS-232 output voltage swing | -5 | 6 | 5 | V | All transmitter outputs loaded with 3kΩ to GND | 7 | |
| RS-232 output resistance | 300 | Ω | VCC = 0V, VOUT = ±2V | 7 | |||
| Output short circuit current | 18 | mA | Infinite duration | 7 | |||
| Maximum data rate | 120 | 240 | kbps | CL = 2500pF, RL = 3kΩ | 7 | ||
| RS-232 input voltage range | -15 | 15 | V | 7 | |||
| RS-232 input voltage threshold LOW | 0.8 | 1.2 | V | VCC = 5V, TA = 25°C | 7 | ||
| RS-232 input voltage threshold HIGH | 1.7 | 2.8 | V | VCC = 5V, TA = 25°C | 7 | ||
| RS-232 input hysteresis | 0.2 | 0.5 | 1 | V | VCC = 5V, TA = 25°C | 7 | |
| RS-232 input resistance | 3 | 5 | 7 | kΩ | TA = 25°C, -15V ≤ VIN ≤ 15V | 7 | |
| Driver propagation delay | 1.5 | 3 | µs | TTL to RS-232; CL = 50pF | 7 | ||
| Receiver propagation delay | 0.1 | 1 | µs | RS-232 to TTL | 7 | ||
| Instantaneous slew rate | 30 | V/µs | CL = 10pF, RL = 3-7kΩ, TA = 25°C | 7 | |||
| Transition region slew rate | 10 | V/µs | CL = 2500pF, RL = 3kΩ, measured from 3V to -3V or -3V to 3V | 7 | |||
| VCC power supply current | ICC | 3 | 5 | mA | No load, VCC = 5V, TA = 25°C | 7 | |
| VCC power supply current, loaded | ICC | 15 | mA | All transmitters RL = 3kΩ, TA = 25°C | 7 | ||
| Supply voltage | VCC | 6 | V | 6 | |||
| V+ voltage | V+ | 11 | V | min printed as VCC - 0.3 | 6 | ||
| V- voltage | V- | -11 | V | 6 | |||
| RIN input voltage | RIN | -15 | 15 | V | 6 | ||
| Package power dissipation, small outline | 375 | mW | derate 7mW/°C above 70°C | 6 | |||
| Storage temperature | -65 | 150 | °C | 6 | |||
| ESD HBM | -15 | 15 | kV | Human Body Model | 6 | ||
| Operating temperature range | -40 | 85 | °C | E grade, per ordering table | 18 |
CAD (KiCad official)
- Symbol:
SP232EET-L - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SOIC-16-300mil (KiCad packages3D, STEP)
- 3D model files:
sp232eet-l-etched.step/sp232eet-l-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sp232eet-l.step/sp232eet-l.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MaxLinear datasheet (19 pp, sha256
942adc867fc83cd3, retrieved 2026-10-22, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-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).