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IS31AP2005-SLS2-TR

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ISSI Integrated Silicon Solution Audio Amplifiers, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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IS31AP2005-SLS2-TR

ISSI Integrated Silicon Solution · Audio Amplifiers · MSOP-8

IS31AP2005-SLS2-TR from ISSI Integrated Silicon Solution, in a MSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 SDB input Shutdown terminal with active-low logic; the datasheet gives VIH of 1.4V minimum and VIL of 0.4V maximum for the logic levels.
2 NC unconnected No internal connection; the pin is not connected inside the device.
3 IN+ input Positive differential audio input to the fully differential amplifier, with input resistor RIN setting the gain (gain of 2V/V or lower recommended for best performance).
4 IN- input Negative differential audio input to the fully differential amplifier, which should be matched with IN+ resistors of 1% accuracy or better.
5 OUT+ output Positive bridge-tied-load (BTL) speaker output of the Class-D amplifier.
6 VCC power_in Power supply, rated 2.7V to 5.5V in operation with an absolute maximum of 6.0V, and decoupled with a low-ESR ceramic capacitor (typically 1μF) placed close to the pin.
7 GND power_in High-current ground for the amplifier output stage.
8 OUT- output Negative bridge-tied-load (BTL) speaker output of the Class-D amplifier.

Key specifications

Parameter Value
Manufacturer ISSI Integrated Silicon Solution
Package MSOP-8
Category Amplifiers/Comparators
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VCC 2.7 5.5 V TA= 25°C, unless otherwise noted 5
Operating temperature range TA -40 85 °C 5
Supply voltage (absolute maximum) VCC -0.3 6 V 5
Voltage at any input pin -0.3 V Printed as VCC+0.3V upper limit 5
Maximum junction temperature TJMAX 150 °C 5
Storage temperature range TSTG -65 150 °C 5
ESD (HBM) -7 7 kV 5
ESD (CDM) -500 500 V 5
Thermal resistance, junction-to-ambient (MSOP-8) θJA 211.4 °C/W MSOP-8 package 5
Output offset voltage (measured differentially) /VOS/ 10 mV VSDB= 0V, AV= 2V/V 5
Quiescent current ICC 2.6 mA VCC= 5.5V, no load 5
Quiescent current ICC 1.2 mA VCC= 2.7V, no load 5
Shutdown current ISD 1 μA VSDB= 0.4V 5
Switching frequency fSW 250 kHz 5
Input resistor RIN 15 kΩ Gain≤ 20V/V 5
Audio input gain Gain 2 V/V RIN= 150kΩ 5
High-level input voltage VIH 1.4 V 5
Low-level input voltage VIL 0.4 V 5
Output power PO 1.7 W THD+N= 10%, f= 1kHz, RL= 8Ω, VCC= 5.0V 6
Output power PO 1.2 W THD+N= 10%, f= 1kHz, RL= 8Ω, VCC= 4.2V 6
Output power PO 0.83 W THD+N= 10%, f= 1kHz, RL= 8Ω, VCC= 3.6V 6
Output power PO 2.95 W THD+N= 10%, f= 1kHz, RL= 4Ω, VCC= 5.0V 6
Output power PO 2.05 W THD+N= 10%, f= 1kHz, RL= 4Ω, VCC= 4.2V 6
Output power PO 1.55 W THD+N= 10%, f= 1kHz, RL= 4Ω, VCC= 3.6V 6
Output power PO 1.45 W THD+N= 1%, f= 1kHz, RL= 8Ω, VCC= 5.0V 6
Output power PO 0.95 W THD+N= 1%, f= 1kHz, RL= 8Ω, VCC= 4.2V 6
Output power PO 0.66 W THD+N= 1%, f= 1kHz, RL= 8Ω, VCC= 3.6V 6
Output power PO 2.5 W THD+N= 1%, f= 1kHz, RL= 4Ω, VCC= 5.0V 6
Output power PO 1.25 W THD+N= 1%, f= 1kHz, RL= 4Ω, VCC= 3.6V 6
Total harmonic distortion plus noise THD+N 0.28 % VCC= 5.0V, PO=1.0W, RL= 8Ω, f= 1kHz 6
Total harmonic distortion plus noise THD+N 0.31 % VCC= 5.0V, PO=1.2W, RL= 4Ω, f= 1kHz 6
Output voltage noise VNO 68 μVrms VCC= 3.6V~5V, f= 20Hz to 20kHz, inputs ac-grounded with CIN= 1μF, A-Weighting 6
Wake-up time from shutdown tWU 36 ms VCC= 3.6V 6
Signal-to-noise ratio SNR 92 dB PO=1.0W, RL= 8Ω, VCC= 5.0V 6
Power supply rejection ratio PSRR -65 dB VCC= 3.6V ~ 5.5V, f= 217kHz 6

CAD (KiCad official)

  • Symbol: IS31AP2005-SLS2-TR
  • Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
  • 3D model: MSOP-8 (KiCad packages3D, STEP)
  • 3D model files: is31ap2005-sls2-tr-etched.step / is31ap2005-sls2-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); is31ap2005-sls2-tr.step / is31ap2005-sls2-tr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: ISSI Integrated Silicon Solution datasheet (17 pp, sha256 532d96c331b5e1b1, retrieved 2026-10-19, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF