ADM232AARNZ

@@ -0,0 +1,55 @@+# ADM232AARNZ++**UMW** · RS232 ICs · SOP-16++ADM232AARNZ from UMW, in a SOP-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | C1+ | passive | Positive terminal of charge-pump capacitor C1 (0.1µF). Connects to C1- (pin 3) via the flying capacitor used to double VCC to V+. |+| 2 | V+ | power_out | +2·VCC (approximately +10V) generated by the charge-pump. Bypass to GND with 0.1µF capacitor. |+| 3 | C1- | passive | Negative terminal of charge-pump capacitor C1 (0.1µF). Pairs with C1+ (pin 1). |+| 4 | C2+ | passive | Positive terminal of charge-pump capacitor C2 (0.1µF). Connects to C2- (pin 5) via the flying capacitor used to invert V+ to V-. |+| 5 | C2- | passive | Negative terminal of charge-pump capacitor C2 (0.1µF). Pairs with C2+ (pin 4). |+| 6 | V- | power_out | -2·VCC (approximately -10V) generated by the charge-pump. Bypass to GND with 0.1µF capacitor. |+| 7 | T2OUT | output | RS-232 driver 2 output. Swings ±5V minimum (typ ±10V) into a 3kΩ to 7kΩ load. Short-circuit current ±60mA max, short-circuit tolerant continuously. |+| 8 | R2IN | input | RS-232 receiver 2 input. Accepts ±30V RS-232 line levels; input resistance 3-7 kΩ. Thresholds: VIL=0.8V, VIH=2.4V (typ) with 0.2-1V hysteresis. |+| 9 | R2OUT | output | RS-232 receiver 2 TTL/CMOS output. VOL ≤ 0.4V @ 3.2mA sink, VOH ≥ 3.5V @ 1mA source. |+| 10 | T2IN | input | RS-232 driver 2 TTL/CMOS input. VIL ≤ 0.8V, VIH ≥ 2V. Input leakage 0.2µA typ / ±10µA max. |+| 11 | T1IN | input | RS-232 driver 1 TTL/CMOS input. VIL ≤ 0.8V, VIH ≥ 2V. Input leakage 0.2µA typ / ±10µA max. |+| 12 | R1OUT | output | RS-232 receiver 1 TTL/CMOS output. VOL ≤ 0.4V @ 3.2mA sink, VOH ≥ 3.5V @ 1mA source. |+| 13 | R1IN | input | RS-232 receiver 1 input. Accepts ±30V RS-232 line levels; input resistance 3-7 kΩ. Thresholds: VIL=0.8V, VIH=2.4V (typ) with 0.2-1V hysteresis. |+| 14 | T1OUT | output | RS-232 driver 1 output. Swings ±5V minimum (typ ±10V) into a 3kΩ to 7kΩ load. Short-circuit current ±60mA max, short-circuit tolerant continuously. |+| 15 | GND | power_in | Ground reference (0V). |+| 16 | VCC | power_in | +4.5V to +5.5V supply voltage input. ICC ≤ 10mA (no load, TA=25°C). Bypass to GND with 0.1µF. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | UMW |+| Package | SOP-16 |+| Category | Interface |+| Pins | 16 |++## Ordering variants++- `ADM232AARNZARNZ`++## CAD (KiCad official)++- Symbol: `ADM232AARNZ`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOP-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [UMW datasheet](docs/adm232aarnz-datasheet.pdf) (10 pp, sha256 `25692d681f312ba2`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/adm232aarnz-datasheet.pdf)

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