HCPL-7840-000E

@@ -0,0 +1,52 @@+# HCPL-7840-000E++**Broadcom AVAGO** · Isolation Amplifiers · DIP-8++HCPL-7840-000E from Broadcom AVAGO, in a DIP-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 | VDD1 | power_in | Input-side supply, 4.5 V to 5.5 V nominal 5 V. Powers the input sigma-delta modulator. Requires a 0.1 uF bypass capacitor between pins 1 and 4 (VDD1 to GND1). |+| 2 | VIN+ | input | Non-inverting analog input. Connected across the external current-sense resistor with VIN-. Recommended linear input range approximately +/-200 mV (referenced to GND1). |+| 3 | VIN- | input | Inverting analog input. Together with VIN+ forms the differential sense input across the shunt resistor. Typically tied to GND1 for single-ended sensing. |+| 4 | GND1 | power_in | Input-side ground reference for VDD1 and the analog inputs. Isolated from GND2 by the optical isolation barrier (3750 Vrms/1 min UL 1577). |+| 5 | GND2 | power_in | Output-side ground reference for VDD2 and the differential outputs. Isolated from GND1 by the optical isolation barrier. |+| 6 | VOUT- | output | Inverting side of the differential analog output (referenced to GND2). Combined with VOUT+ forms a fully differential output nominally 8x the differential input voltage. |+| 7 | VOUT+ | output | Non-inverting side of the differential analog output (referenced to GND2). Typically fed into an external differential-to-single-ended op-amp stage. |+| 8 | VDD2 | power_in | Output-side supply, 4.5 V to 5.5 V nominal 5 V. Powers the isolated output amplifier stage. Requires a 0.1 uF bypass capacitor between pins 5 and 8 (VDD2 to GND2). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Broadcom AVAGO |+| Package | DIP-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++- `HCPL-7840-000E-000E`+- `HCPL-7840-000E-060E`+- `HCPL-7840-000E-300E`+- `HCPL-7840-000E-500E`+- `HCPL-7840-000E-360E`+- `HCPL-7840-000E-560E`++## CAD (KiCad official)++- Symbol: `HCPL-7840-000E`+- Footprint: `Package_DIP:DIP-8_W7.62mm`+- 3D model: DIP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Broadcom AVAGO datasheet](docs/hcpl-7840-000e-datasheet.pdf) (19 pp, sha256 `ee447b310c078c12`, 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/hcpl-7840-000e-datasheet.pdf)

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