HG8552CM

@@ -0,0 +1,54 @@+# HG8552CM++**HGSEMI** · Operational Amplifier · SOP-8++HG8552CM from HGSEMI, in a SOP-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 | OUTA | output | Amplifier A output. Rail-to-rail CMOS output; can swing to within ~5 mV of the supply rails with light loads (>100 kOhm) and ~60 mV at 10 kOhm. Short-circuit limit typically 43 mA. |+| 2 | INA- | input | Amplifier A inverting input. High-impedance CMOS input; typical bias current 20 pA. Input voltage range: Vss-0.5 V to Vdd+0.5 V (absolute max); common-mode range extends 100 mV beyond the supply rails. |+| 3 | INA+ | input | Amplifier A non-inverting input. High-impedance CMOS input; typical bias current 20 pA. Rail-to-rail input, Vss-0.1 V to Vdd+0.1 V common-mode range. |+| 4 | VSS | power_in | Negative supply / ground. For single-supply operation tie to GND; for dual-supply operation apply the negative rail (±1.05 V to ±2.75 V). Absolute max VDD-VSS = 7.5 V. |+| 5 | INB+ | input | Amplifier B non-inverting input. High-impedance CMOS input; typical bias current 20 pA. Rail-to-rail input, Vss-0.1 V to Vdd+0.1 V common-mode range. |+| 6 | INB- | input | Amplifier B inverting input. High-impedance CMOS input; typical bias current 20 pA. Input voltage range: Vss-0.5 V to Vdd+0.5 V (absolute max). |+| 7 | OUTB | output | Amplifier B output. Rail-to-rail CMOS output; can swing to within ~5 mV of the supply rails with light loads (>100 kOhm) and ~60 mV at 10 kOhm. Short-circuit limit typically 43 mA. |+| 8 | VDD | power_in | Positive supply. Operating range 2.1 V to 5.5 V single-supply (or ±1.05 V to ±2.75 V dual-supply). Bypass with a 0.1 uF ceramic capacitor located close to the pin. Quiescent current 320 uA per amplifier. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | SOP-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++- `HG8552CMCM/TR`+- `HG8552CMIM/TR`+- `HG8552CMCMM/TR`+- `HG8552CMIMM/TR`+- `HG8552CMCDQ/TR`+- `HG8552CMCDQ3/TR`+- `HG8552CMIDQ/TR`+- `HG8552CMIDQ3/TR`++## CAD (KiCad official)++- Symbol: `HG8552CM`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HGSEMI datasheet](docs/hg8552cm-datasheet.pdf) (13 pp, sha256 `b9f0386d7c47e332`, 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/hg8552cm-datasheet.pdf)

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