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PT7314E

Public Made by Adom

by adom

PTC(Princeton Tech) Audio Interface ICs, SOP-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Symbol & Footprint

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Datasheet

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Contents

README

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PT7314E

PTC(Princeton Tech) · Audio Interface ICs · SOP-28-300mil

PT7314E from PTC(Princeton Tech), in a SOP-28-300mil. 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 VDD power_in Supply input voltage, operating range 4V to 10V.
2 AGND power_in Analog ground.
3 TREB_L input Left channel input for treble controller.
4 TREB_R input Right channel input for treble controller.
5 RIN input Right channel volume controller input.
6 ROUT output Right channel input selector output.
7 LOUD_R input Right channel loudness input.
8 RIN4 input Right channel input 4.
9 RIN3 input Right channel input 3.
10 RIN2 input Right channel input 2.
11 RIN1 input Right channel input 1.
12 LOUD_L input Left channel loudness input.
13 LIN4 input Left channel input 4.
14 LIN3 input Left channel input 3.
15 LIN2 input Left channel input 2.
16 LIN1 input Left channel input 1.
17 LIN input Left channel volume controller input.
18 LOUT output Left channel input selector output.
19 BIN_L input Left channel input for bass controller.
20 BOUT_L output Left channel output for bass controller.
21 BIN_R input Right channel input for bass controller.
22 BOUT_R output Right channel output for bass controller.
23 OUT_R output Right channel output.
24 OUT_L output Left channel output.
25 DGND power_in Digital ground.
26 SDA bidirectional I2C data line; the device pulls it low to acknowledge each received byte (chip address 88H).
27 SCL input I2C clock input.
28 REF passive Analog reference voltage (1/2 VDD), decoupled with a capacitor that sets the I2C initial time.

Key specifications

Parameter Value
Manufacturer PTC(Princeton Tech)
Package SOP-28-300mil
Category Interface ICs
Pins 28

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Operating supply voltage VDD 10 V 11
Input latch up current Iin -100 100 mA 11
ESD HBM HBM -2 2 KV Human body model 11
ESD MM MM -0.2 0.2 KV Machine model 11
Input voltage Vin -0.3 V max VDD+0.3 V 11
Operating temperature Topr -40 85 ℃ 11
Storage temperature Tstg -65 150 ℃ 11
Supply voltage VDD 4 9 10 V Quick reference data 11
Supply voltage VDD 5 9 10 V 12
Supply current Is 30 40 mA VDD=9V 12
Supply current Is 25 32 mA VDD=5V 12
Input resistance (input selector) RIN 35 50 70 KΩ Input 1,2,3,4 12
Max. input level Vimax 2.3 2.6 Vrms All Gain=0dB; THD=1% 12
Input separation ISIN 90 100 dB F=20~20KHz 12
Min. input gain GINmin -1 0 1 dB 12
Max. input gain GINmax 10.5 11.25 12 dB 12
Gain set error EA -1 0 1 dB 12
Minimum load (selector) RL 5 KΩ Vo=2Vrms, LOUT,ROUT 12
DC offset (selector) VDCO 3 10 mV 0dB to +11.25dB 12
Input resistance (volume) RIN 13 20 27 KΩ VOL=0dB 12
Min. attenuation (volume) AVMIN -1 0 1 dB 12
Max. attenuation (volume) AVMAX -75 -78.75 -82 dB 12
Step resolution (volume) ASTEP 1.15 1.25 1.3 dB 12
Attenuation set error (volume) EA -1 0 1 dB VOL=0 ~ -70dB 12
Max. gain (speaker) AVMIN -1 0 1 dB 12
Max. attenuation (speaker) AVMAX -36 -37.5 -39 dB 12
Step resolution (speaker) SSTEP 1.15 1.25 1.35 dB 12
Attenuation set error (speaker) EA -1 0 1 dB 12
Output mute attenuation AMUTE 100 dB 12
DC offset (speaker) VDCO 5 10 mV 0dB to MUTE 12
Bass control range Gb -12 14 12 dB Max. Boost/Cut, ±12 to ±16 12
Bass step resolution BSTEP 1.7 2 2.3 dB 12
Feedback resistance RB 34 44 58 KΩ 12
Treble control range Gt -12 14 12 dB Max. Boost/Cut, ±12 to ±16 12
Treble step resolution TSTEP 1.7 2 2.3 dB 12
Loudness boost gain GLD 18 20 22 dB Volume=-40dB, F=20Hz 12
Max. output level VOMAX 2.3 2.6 Vrms THD=1% 12
DC voltage level VOUT 0.49 0.5 0.51 VDD 12
Minimum load (output) RL 5 KΩ 12
Distortion THD 0.03 0.07 % All Gain=0, Vin=1Vrms 12
Distortion THD 0.01 0.03 % All Gain=0, Vin=100Vrms 12
Channel separation Cs 90 100 dB L to R or R to L channel 12
Input low voltage VIL 1 V VDD=9V 12
Input high voltage VIH 3 V VDD=9V 12
Input current IIN -5 5 µA 12
Signal to noise ratio SNR 100 dBV All Gain=0dB,A-weighted 12
I2C crosstalk Ct 90 dB I2C to audio output 12
Ripple rejection PSRR 75 dB CREF=22µF, F=100Hz 12
SDA pull down voltage Vack 0.4 V Rpull up=3K, ACK=active 12

CAD (KiCad official)

  • Symbol: PT7314E
  • Footprint: Package_SO:SOP-28_8.4x18.16mm_P1.27mm
  • 3D model: SOP-28-300mil (KiCad packages3D, STEP)
  • 3D model files: pt7314e-etched.step / pt7314e-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pt7314e.step / pt7314e.glb are the bare package body.

Provenance

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

  • Datasheet: PTC(Princeton Tech) datasheet (16 pp, sha256 0386e16470eb8534, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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