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Contents

README

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PT2399-SN

PTC Princeton Tech · Audio Interface ICs · SOP-16

PT2399-SN from PTC Princeton Tech, in a SOP-16. 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 VCC power_in Analog supply voltage input
2 REF passive Analog reference voltage (1/2VCC)
3 AGND power_in Analog ground
4 DGND power_in Digital ground
5 CLK_O output System clock output pin
6 VCO input VCO Frequency adjustment
7 CC1 passive Current control 1
8 CC0 passive Current control 0
9 OP1-OUT output OP amplifier 1 input/output; this pin can be used as modulated/demodulated integrator by connecting capacitor
10 OP1-IN input OP amplifier 1 input pin
11 OP2-IN input OP amplifier 2 input/output; this pin can be used as modulated/demodulated integrator by connecting capacitor
12 OP2-OUT output OP amplifier 2 output pin
13 LPF2-IN input Low pass filter 2 input/output pin
14 LPF2-OUT output Low pass filter 2 output pin
15 LPF1-OUT output Low pass filter 1 input/output pin
16 LPF1-IN input Low pass filter 1 input pin

Key specifications

Parameter Value
Manufacturer PTC Princeton Tech
Package SOP-16
Category Interface
Pins 16

CAD (KiCad official)

  • Symbol: PT2399-SN
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOP-16 (KiCad packages3D, STEP)
  • 3D model files: pt2399-sn-etched.step / pt2399-sn-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pt2399-sn.step / pt2399-sn.glb are the bare package body.

Provenance

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

  • Datasheet: PTC Princeton Tech datasheet (4 pp, sha256 4e41738cd0cd09b4, retrieved 2026-09-21, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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