# SP3222EBEA-L

**MaxLinear** · Pre-ordered Chips · SSOP-20-208mil

SP3222EBEA-L from MaxLinear, in a SSOP-20-208mil. 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 | EN | input | Receiver enable: apply logic LOW for normal operation, logic HIGH to disable the receiver outputs (high-Z state). |
| 2 | C1+ | passive | Positive terminal of the voltage doubler charge-pump capacitor. |
| 3 | V+ | power_out | 5.5V output 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 | -5.5V output generated by the charge pump. |
| 8 | T2OUT | output | RS-232 driver output. |
| 9 | R2IN | input | RS-232 receiver input. |
| 10 | R2OUT | output | TTL / CMOS receiver output. |
| 11 | N.C. | unconnected | No connect. |
| 12 | T2IN | input | TTL / CMOS driver input. |
| 13 | T1IN | input | TTL / CMOS driver input. |
| 14 | N.C. | unconnected | No connect. |
| 15 | R1OUT | output | TTL / CMOS receiver output. |
| 16 | R1IN | input | RS-232 receiver input. |
| 17 | T1OUT | output | RS-232 driver output. |
| 18 | GND | power_in | Ground. |
| 19 | VCC | power_in | 3.0V to 5.5V supply voltage. |
| 20 | SHDN | input | Shutdown control input: drive HIGH for normal operation, drive LOW to shut down the drivers (high-Z output) and the on-board power supply. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MaxLinear |
| Package | SSOP-20-208mil |
| Category | Interface ICs |
| Pins | 20 |

## 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 |  |  | 0.3 | 1 | mA | No load, VCC = 3.3V, TAMB= 25°C, TxIN = GND or VCC | 7 |
| Shutdown supply current |  |  | 1 | 10 | µA | SHDN = GND, VCC = 3.3V, TAMB= 25°C, TxIN = VCC or GND | 7 |
| Input logic threshold LOW |  |  |  | 0.8 | V | TxIN, EN, SHDN | 7 |
| Input logic threshold HIGH |  | 2 |  |  | V | VCC = 3.3V | 7 |
| Input logic threshold HIGH |  | 2.4 |  |  | V | VCC = 5.0V | 7 |
| Input leakage current |  |  | 0.01 | 1 | µA | TxIN, EN, SHDN, TAMB= 25°C, VIN = 0V to VCC | 7 |
| Output leakage current (receiver) |  |  | 0.05 | 10 | µA | Receivers disabled, VOUT = 0V to VCC | 7 |
| Output voltage LOW |  |  |  | 0.4 | V | IOUT = 1.6mA | 7 |
| Driver output voltage swing |  | 5 | 5.4 |  | V | All driver outputs loaded with 3kΩ to GND, TAMB= 25°C | 8 |
| Driver output resistance |  | 300 |  |  | Ω | VCC = V+ = V- = 0V, to VOUT = ±2V | 8 |
| Output short-circuit current |  |  | 35 | 60 | mA | VOUT = 0V | 8 |
| Driver output leakage current |  |  |  | 25 | µA | VCC = 0V or 3.0V to 5.5V, VOUT = ±12V, drivers disabled | 8 |
| Receiver input voltage range |  | -15 |  | 15 | V |  | 8 |
| Receiver input threshold LOW |  | 0.6 | 1.2 |  | V | VCC = 3.3V | 8 |
| Receiver input threshold LOW |  | 0.8 | 1.5 |  | V | VCC = 5.0V | 8 |
| Receiver input threshold HIGH |  |  | 1.5 | 2.4 | V | VCC = 3.3V | 8 |
| Receiver input threshold HIGH |  |  | 1.8 | 2.4 | V | VCC = 5.0V | 8 |
| Receiver input hysteresis |  |  | 0.3 |  | V |  | 8 |
| Receiver input resistance |  | 3 | 5 | 7 | kΩ |  | 8 |
| Maximum data rate |  | 250 |  |  | kbps | RL = 3kΩ, CL = 1000pF, one driver active | 8 |
| Receiver propagation delay tPHL | tPHL |  | 0.15 |  | µs | Receiver input to receiver output, CL = 150pF | 8 |
| Receiver propagation delay tPLH | tPLH |  | 0.15 |  | µs | Receiver input to receiver output, CL = 150pF | 8 |
| Receiver output enable time |  |  | 200 |  | ns |  | 8 |
| Receiver output disable time |  |  | 200 |  | ns |  | 8 |
| Driver skew |  |  | 100 |  | ns | /tPHL- tPLH/, TAMB= 25°C | 8 |
| Receiver skew |  |  | 50 |  | ns | /tPHL- tPLH/ | 8 |
| Transition-region slew rate |  |  |  | 30 | V/µs | VCC = 3.3V, RL = 3kΩ, CL = 1000pF, TAMB= 25°C, measurements taken from -3.0V to +3.0V or +3.0V to -3.0V | 8 |
| Supply voltage | VCC | -0.3 |  | 6 | V |  | 6 |
| V+ | V+ | -0.3 |  | 7 | V |  | 6 |
| V- | V- | -7 |  | 0.3 | V |  | 6 |
| V+ + /V-/ |  |  |  | 13 | V |  | 6 |
| ICC (DC VCC or GND current) | ICC | -100 |  | 100 | mA |  | 6 |
| Input voltage TxIN, EN |  | -0.3 |  | 6 | V |  | 6 |
| Input voltage RxIN |  | -25 |  | 25 | V |  | 6 |
| Output voltage TxOUT |  | -13.2 |  | 13.2 | V |  | 6 |
| Storage temperature |  | -65 |  | 150 | °C |  | 6 |
| Maximum junction temperature |  |  |  | 125 | °C |  | 7 |
| Power dissipation, 20-pin SSOP |  |  |  | 750 | mW | derate 9.25mW/°C above 70°C | 7 |
| Operating temperature range |  | -40 |  | 85 | °C | SP3222EBEA-L/TR, 20 Pin SSOP | 23 |
| Supply voltage range | VCC | 3 |  | 5.5 | V | Electrical characteristics test range | 7 |

## CAD (KiCad official)

- Symbol: `SP3222EBEA-L`
- Footprint: `Package_SO:SSOP-20_5.3x7.2mm_P0.65mm`
- 3D model: SSOP-20-208mil (KiCad packages3D, STEP)
- 3D model files: `sp3222ebea-l-etched.step` / `sp3222ebea-l-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sp3222ebea-l.step` / `sp3222ebea-l.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MaxLinear datasheet](docs/sp3222ebea-l-datasheet.pdf) (24 pp, sha256 `77e58341a1579432`, retrieved 2026-10-30, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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](docs/sp3222ebea-l-datasheet.pdf)