component

TM2314

Public Made by Adom

by adom

TM(Shenzhen Titan Micro Elec) Audio Interface ICs, SOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentcommunication interface chip-uart-485-232tm2314factory-2.0.0extractor-text

Verified TM2314

by Ray · last 30 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier lcsc, 28 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: TM2314 · SOP-28 · 28 pins
  • ✓copper: 28 copper pads, none touching another net
  • ✓datasheet: all 28 pin names found in the 12-page datasheet
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: SOP-28_8.4x18.16mm_P1.27mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-eg1gd445/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 28 pins = 28 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 28 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ tm2314.kicad_sym✓ tm2314.kicad_mod✓ tm2314.step
Spot something wrong? Report it as an issue Propose a fix Records are signed by members of adom.
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 1d ago
viewers tm2314: viewers · Ray 1d ago
package.json Publish 0.1.0 · Ray 1d ago
page.json Set visibility: public · Ray 1d ago
README.md Publish 0.1.0 · Ray 1d ago
tm2314-etched.glb Publish 0.1.0 · Ray 1d ago
tm2314-etched.step tm2314: factory component page (tier=lcsc) · Ray 1d ago
tm2314-hero.glb tm2314: hero GLB from the etched model (keeps the MPN mark) · Ray 1d ago
tm2314-hero.overlay.json Publish 0.1.0 · Ray 1d ago
tm2314.glb Publish 0.1.0 · Ray 1d ago
tm2314.kicad_mod Publish 0.1.0 · Ray 1d ago
tm2314.kicad_sym Publish 0.1.0 · Ray 1d ago
tm2314.lbr Publish 0.1.0 · Ray 1d ago
tm2314.step Publish 0.1.0 · Ray 1d ago
verification.json Verified: Published by the parts factory: tier lcsc, 28 pins · Ray 1d ago

TM2314

TM(Shenzhen Titan Micro Elec) · Audio Interface ICs · SOP-28

TM2314 from TM(Shenzhen Titan Micro Elec), in a SOP-28. 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 voltage pin; the datasheet gives an operating voltage VS of 6 V min, 9 V typ, 10 V max.
2 AGND power_in Analog ground pin for the audio signal path.
3 TREB_L input Left-channel treble control pin.
4 TREB_R input Right-channel treble control pin.
5 RIN input Right-channel input to the audio effects processor.
6 ROUT output Right-channel source output after selected-gain amplification.
7 LOUD_R input Right-channel loudness control pin.
8 RIN4 input Right-channel audio source 4 input.
9 RIN3 input Right-channel audio source 3 input.
10 RIN2 input Right-channel audio source 2 input.
11 RIN1 input Right-channel audio source 1 input.
12 LOUD_L input Left-channel loudness control pin.
13 LIN4 input Left-channel audio source 4 input.
14 LIN3 input Left-channel audio source 3 input.
15 LIN2 input Left-channel audio source 2 input.
16 LIN1 input Left-channel audio source 1 input.
17 LIN input Left-channel input to the audio effects processor.
18 LOUT output Left-channel source output after selected-gain amplification.
19 BIN_L input Left-channel bass processing input.
20 BOUT_L output Left-channel bass processing input/output pin.
21 BIN_R input Right-channel bass processing input.
22 BOUT_R output Right-channel bass processing input/output pin.
23 OUT_R output Right speaker channel output.
24 OUT_L output Left speaker channel output.
25 DGND power_in Digital ground pin.
26 DATA input Data input pin of the serial control bus.
27 CLK input Clock pin of the serial control bus.
28 REF passive Reference voltage pin at 1/2 VDD.

Key specifications

Parameter Value
Manufacturer TM(Shenzhen Titan Micro Elec)
Package SOP-28
Category Communication Interface Chip/UART/485/232
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
工作电压 VS 6 9 10 V 3
静态电流 IS 30 40 mA 3
纹波抑制比 SVR 60 80 dB 3
输入电阻 Rin 35 50 70 KΩ 输入 1，2，3， 3
削波限幅 Vcl 2 2.5 Vrms 3
输入隔离 Sin 80 100 dB 3
输出负载电阻 RI 2 KΩ 脚位 7，17 3
最小输入增益 Ginmin -1 0 1 dB 4
最大输入增益 Ginmax 11.25 dB 4
音量控制输入电阻 Riv 20 33 50 KΩ 4
音量控制范围 Crange 70 75 80 dB 4
最小衰减 Avmin -1 0 1 dB 4
最大衰减 Avmax 70 75 80 dB 4
衰减分辨率 Astep 0.5 1.25 1.75 dB 4
衰减误差 Ea -1.25 0 1.25 dB Av=0~20 dB 4
衰减误差 Ea -3 2 dB Av=-20~-60 dB 4
循迹误差 Et 2 dB 4
直流调整 相邻衰减级别 Vdc 0 3 mV 相邻衰减级别 4
直流调整 由0~最大Av Vdc 0.5 7.5 mV 由 0~最大 Av 4
扬声器衰减控制范围 Crange 35 37.5 40 dB 4
扬声器衰减分辨率 Sstep 0.5 1.25 1.75 dB 4
扬声器衰减误差 Ea 1.5 dB 4
输出静音衰减 Amute 80 100 dB 4
扬声器直流等级 相邻衰减级别 Vdc 0 3 mV 相邻衰减级别 4
扬声器直流等级 由0到静音 Vdc 1 10 mV 由 0 到静音 4
低音控制范围(最大放大/衰减) Gb 12 14 16 dB 最大放大/衰减 4
低音分辨率 Bstep 1 2 3 dB 4
低音内部反馈电阻 Rb 34 44 58 KΩ 4
高音控制范围(最大放大/衰减) Gt 13 14 15 dB 最大放大/衰减 4
高音分辨率 Tstep 1 2 3 dB 4
削波限幅 Vocl 2 2.5 Vrms D=0.3% 4
输出负载电容 CI 10 nF 4
输出电阻 Rout 30 75 120 Ω 4
直流电压等级 Vout 4.2 4.5 4.8 V 4
输出噪声 Eno 2.5 5 15 uV BW=20~20kHz，输出静音，增益=0 dB 4
信噪比 S/N 106 dB ALL=0 dB；Vo=1Vrms 4
左右声道隔离 Sc 80 103 dB 5
输入低电压 Vil 1 V 5
输入高电压 Vih 3 V 5
输入电流 lin -5 5 uA 5
输出电压(低) Vo 0.4 V Io=1.6mA 5
工作温度 Topt -40 80 ℃ 5
储存温度 Tstg -65 150 ℃ 5
最小输入增益(步进) Gstep 3.75 dB 4
输入噪声 Ein 2 μV G=11.25dB 4
输出噪声 Eno 3 uV 增益曲线=0 dB 4

CAD (KiCad official)

  • Symbol: TM2314
  • Footprint: Package_SO:SOP-28_8.4x18.16mm_P1.27mm
  • 3D model: SOP-28 (KiCad packages3D, STEP)
  • 3D model files: tm2314-etched.step / tm2314-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tm2314.step / tm2314.glb are the bare package body.

Provenance

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

  • Datasheet: TM(Shenzhen Titan Micro Elec) datasheet (12 pp, sha256 5603b65a4666ff5a, retrieved 2026-10-30, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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