NE5534 Low-Noise Op-Amp

@@ -0,0 +1,52 @@+# NE5534++**Texas Instruments** · Operational Amplifier · SOIC-8++The NE5534 is a single high-performance operational amplifier with low input noise voltage, high slew rate, and wide bandwidth. It has long been a standard in professional audio for microphone preamplifiers, mixing consoles, and active filters where low noise and clean drive into low-impedance loads are needed.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | BALANCE | passive | External frequency-compensation / offset-null connection. Together with COMP/BAL (pin 8), used with an external potentiometer to null the input offset voltage. |+| 2 | IN- | input | Inverting input of the op-amp. Common-mode input-voltage range ±12 V typ at V_CC± = ±15 V; input bias current 500 nA typ, 1500 nA max at 25°C. |+| 3 | IN+ | input | Noninverting input of the op-amp. Common-mode input-voltage range ±12 V typ at V_CC± = ±15 V; input bias current 500 nA typ, 1500 nA max at 25°C. |+| 4 | VCC- | power_in | Negative supply rail. Recommended operating range -5 V to -15 V; absolute maximum -22 V. Typically ±15 V split-supply operation. |+| 5 | COMP | passive | External frequency-compensation pin. An external capacitor (typically 22 pF) between COMP and COMP/BAL sets the frequency response for gains below three; C_C = 0 for closed-loop gain ≥3. |+| 6 | OUT | output | Amplifier output. Short-circuit protected (I_OS ≈ 38 mA typ); peak-to-peak output-voltage swing 32 V typ into R_L = 600 Ω at V_CC± = ±18 V; slew rate 13 V/µs typ (C_C = 0). |+| 7 | VCC+ | power_in | Positive supply rail. Recommended operating range 5 V to 15 V; absolute maximum 22 V. Total supply current 4 mA typ, 8 mA max (no load). |+| 8 | COMP/BAL | passive | Combined external frequency-compensation and offset-null pin. Connects to the second terminal of the compensation capacitor (to pin 5, COMP) and to the wiper/end of the balance potentiometer used with BALANCE (pin 1). |++## Key specifications++| Parameter | Value |+|---|---|+| Type | Single low-noise op-amp |+| Input noise voltage | 3.5 nV/sqrt(Hz) typ at 1 kHz |+| Slew rate | 13 V/us typ |+| Gain-bandwidth product | 10 MHz typ |+| Supply voltage | +-3 V to +-20 V |+| Input offset voltage | 0.5 mV typ |+| Operating temperature | 0 C to 70 C |++## Ordering variants++- `NE5534D`+- `NE5534P`+- `NE5534PS`++## CAD (KiCad official)++- Symbol: `ne5534.kicad_sym`+- Footprint: `ne5534.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/ne5534.pdf) (27 pp, sha256 `8df0a04b9b16637a`, 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/ne5534-datasheet.pdf)

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