ZJR1000-9AUABR

@@ -0,0 +1,60 @@+# ZJR1000-9AUABR++**ZJW** · Voltage Reference · MSOP-8++ZJR1000-9AUABR from ZJW, in a MSOP-8. 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 | DNC | unconnected | Do Not Connect. Pin has an actual internal connection reserved for factory testing; do not connect anything to it or the device may not function properly. |+| 2 | VIN | power_in | Input supply voltage. Operating range is VOUT+0.3 V to 15 V (2.5 V min for ZJR1000-1/-2 variants). Recommended to bypass with 0.1 µF to 10 µF ceramic capacitor close to the pin. |+| 3 | SHDN | input | Active-low shutdown input. Pulling low powers the device down to 16 µA typical. VIL ≤ 0.8 V, VIH ≥ 2 V (up to VIN). CMOS/TTL compatible with an internal pull-up; recommended to tie high externally for best performance during normal operation. |+| 4 | GND | power_in | Ground reference pin = 0 V. Connect to system ground plane; keep the return path low-impedance. |+| 5 | TRIM | input | Trim terminal for adjusting the output voltage over a ±0.5% range without affecting temperature coefficient. Typically connected to a low-tempco resistor divider network (with wiper going to TRIM) between VOUT and GND. Leave open if adjustment is not needed. |+| 6 | VOUT | power_out | Precision voltage reference output. For ZJR1000-9 the nominal output is 2.5 V with ±0.05% initial accuracy. Requires a 0.1 µF to 10 µF output decoupling capacitor with ESR ≤ 1.5 Ω for stability. Short-circuit current is typically 20 mA. |+| 7 | NIC | unconnected | No Internal Connection. Pin has no internal circuitry; may be left floating or tied to GND. |+| 8 | DNC | unconnected | Do Not Connect. Reserved for factory testing purposes. Do not connect anything or device may malfunction. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | ZJW |+| Package | MSOP-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## Ordering variants++Same part, different packaging or reel option.++- `ZJR1000-9AUABT`+- `ZJR1000-9AUABR`+- `ZJR1000-9AUABRBUABT`+- `ZJR1000-9AUABRBUABR`+- `ZJR1000-9AUABRCUABT`+- `ZJR1000-9AUABRCUABR`+- `ZJR1000-9AUABRASABT`+- `ZJR1000-9AUABRASABR`+- `ZJR1000-9AUABRBSABT`+- `ZJR1000-9AUABRBSABR`+- `ZJR1000-9AUABRCSABT`+- `ZJR1000-9AUABRCSABR`++## CAD (KiCad official)++- Symbol: `ZJR1000-9AUABR`+- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`+- 3D model: MSOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [ZJW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590917048971313152) (None pp, sha256 `6a899a348087251c`, 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/zjr1000-9auabr-datasheet.pdf)

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