LM4562 Dual Audio Op-Amp

@@ -0,0 +1,53 @@+# LM4562++**Texas Instruments** · Operational Amplifier · SOIC-8++The LM4562 is a dual high-performance audio operational amplifier with low total harmonic distortion (0.00003%) and low input noise. Its wide bandwidth and high slew rate suit high-fidelity preamplifiers, active filters, tone controls, and line-driver stages in audio equipment.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | OUTPUT_A | output | Output of amplifier A. Low-impedance output stage capable of ±26 mA output current, driving loads as low as 600Ω. Swings to within 1.4V of the supply rails when driving 600Ω. |+| 2 | -IN_A | input | Inverting input of amplifier A. High-impedance input (differential Zin ≈ 30 kΩ; common-mode ≈ 1 GΩ). Input bias current 10 nA typical. |+| 3 | +IN_A | input | Non-inverting input of amplifier A. High-impedance input; common-mode input voltage range within (V−)+2.0V to (V+)−2.0V. |+| 4 | V- | power_in | Negative supply rail. Operates from ±2.5V to ±17V dual supply (or 5V to 34V single supply). Typical quiescent current 10 mA total for both amplifiers. |+| 5 | +IN_B | input | Non-inverting input of amplifier B. High-impedance input; common-mode input voltage range within (V−)+2.0V to (V+)−2.0V. |+| 6 | -IN_B | input | Inverting input of amplifier B. High-impedance input (differential Zin ≈ 30 kΩ). Input bias current 10 nA typical, input offset voltage 0.1 mV typical. |+| 7 | OUTPUT_B | output | Output of amplifier B. Low-impedance output stage capable of ±26 mA output current; short-circuit protected. Closed-loop output impedance ~0.01Ω at 10 kHz. |+| 8 | V+ | power_in | Positive supply rail. Operates from ±2.5V to ±17V dual supply. Absolute maximum total supply (V+ − V−) is 36V. Bypass with a local decoupling capacitor to ground. |++## Key specifications++| Parameter | Value |+|---|---|+| Type | Dual audio op-amp |+| THD+N | 0.00003% typ |+| Input noise voltage | 2.7 nV/sqrt(Hz) |+| Slew rate | 20 V/us typ |+| Gain-bandwidth product | 55 MHz typ |+| Supply voltage | +-2.5 V to +-17 V |+| Operating temperature | -40 C to 85 C |++## Ordering variants++- `LM4562MA`+- `LM4562MAX`+- `LM4562NA`+- `LM4562H`++## CAD (KiCad official)++- Symbol: `lm4562.kicad_sym`+- Footprint: `lm4562.kicad_mod`+- 3D model: SOIC-8 body from KiCad `Package_SO/SOIC-8_3.9x4.9mm_P1.27mm`.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/lm4562.pdf) (43 pp, sha256 `7ee3c8e4db613e3d`, retrieved 2026-08-17, tier: manufacturer)+- **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/lm4562-datasheet.pdf)

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