component
CJC1808
Public Made by Adomby adom
ESHINE Analog To Digital Converters (ADC), TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793
{
"schema_version": 1,
"type": "component",
"slug": "cjc1808",
"title": "CJC1808",
"brief": "ESHINE Analog To Digital Converters (ADC), TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"data acquisition",
"cjc1808",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "CJC1808",
"manufacturer": "ESHINE",
"package": "TSSOP-14",
"pin_count": 14,
"category": "Data Acquisition",
"subcategory": "Analog To Digital Converters (ADC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907407965380608",
"parts": {
"symbol": "cjc1808.kicad_sym",
"footprint": "cjc1808.kicad_mod",
"model_3d": "cjc1808-hero.glb",
"model_3d_plain": "cjc1808-etched.glb",
"model_3d_step": "cjc1808-etched.step",
"model_3d_step_plain": "cjc1808.step",
"lbr": "cjc1808.lbr"
},
"distributor_links": {
"lcsc": "C7431494"
},
"distributor_check": {
"checked_at": "2026-10-18T11:44:48Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "VREF",
"type": "power_in",
"description": "Reference-voltage decoupling pin held at 1/2 VCC (center voltage 0.5 VCC), to be bypassed to AGND with 0.1 µF ceramic and 10 µF electrolytic capacitors placed as close to the pin as possible."
},
{
"number": "2",
"name": "AGND",
"type": "power_in",
"description": "Analog ground, which must be tied directly to DGND under the package with low impedance to limit digital noise feeding into the analog ground."
},
{
"number": "3",
"name": "VCC",
"type": "power_in",
"description": "Analog power supply at 3.3 V nominal, with a recommended range of 2.7 V to 5.5 V and an absolute maximum of 5.5 V."
},
{
"number": "4",
"name": "VDD",
"type": "power_in",
"description": "Digital power supply at 3.3 V nominal, with a recommended range of 2.7 V to 3.6 V and an absolute maximum of 4 V."
},
{
"number": "5",
"name": "DGND",
"type": "power_in",
"description": "Digital ground, which must be tied directly to AGND under the package with low impedance to reduce noise coupling."
},
{
"number": "6",
"name": "SCKI",
"type": "input",
"description": "System clock input that must be 256 fs, 384 fs or 512 fs (2.048 MHz to 49.152 MHz), with CMOS input levels of VIH 2 V min and VIL 0.8 V max and an absolute maximum of 5.5 V."
},
{
"number": "7",
"name": "LRCK",
"type": "bidirectional",
"description": "Audio-data latch-enable (word clock) that is an input in slave mode and an output in master mode, operating over sampling rates of 8 kHz to 96 kHz."
},
{
"number": "8",
"name": "BCK",
"type": "bidirectional",
"description": "Audio bit clock that is an input in slave mode (64 or 48 BCK per frame) and an output in master mode at 64 BCK per frame."
},
{
"number": "9",
"name": "DOUT",
"type": "output",
"description": "Audio-data digital output (MSB-first, 2's complement) with VOH of 2.8 V min at -4 mA and VOL of 0.5 V max at 4 mA, and a recommended load capacitance of 20 pF; it is forced to zero during clock-halt reset."
},
{
"number": "10",
"name": "MD0",
"type": "input",
"description": "Audio-interface mode select bit 0, which together with MD1 selects slave or master mode and the system clock ratio per Table 2 and must be set before power-on; digital input with VIH 2 V min and VIL 0.8 V max."
},
{
"number": "11",
"name": "MD1",
"type": "input",
"description": "Audio-interface mode select bit 1, which together with MD0 selects slave or master mode and the system clock ratio per Table 2 and must be set before power-on; digital input with VIH 2 V min and VIL 0.8 V max."
},
{
"number": "12",
"name": "FMT",
"type": "input",
"description": "Audio-interface format select, where Low selects I2S 24-bit and High selects left-justified 24-bit; digital input with VIH 2 V min and VIL 0.8 V max."
},
{
"number": "13",
"name": "VINL",
"type": "input",
"description": "Single-ended analog input for the left channel, with full scale of 1.98 Vpp (0 dB), an input range of 0.6 VCC Vpp, and an absolute maximum of -0.3 V to (VCC + 0.3 V) and below 5.5 V."
},
{
"number": "14",
"name": "VINR",
"type": "input",
"description": "Single-ended analog input for the right channel, with full scale of 1.98 Vpp (0 dB), an input range of 0.6 VCC Vpp, and an absolute maximum of -0.3 V to (VCC + 0.3 V) and below 5.5 V."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The pin-number-to-position mapping (pin 1 orientation and left/right side layout) is only given in t; The VREF pin type is set to passive because the datasheet only labels it as a reference-voltage deco; LRCK and BCK are marked I/O in the datasheet and act as inputs in slave mode and outputs in master m"
],
"pages_sent": 21,
"cost_usd": 0.0659,
"at": "2026-10-18T11:41:13"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907407965380608",
"pages": 21,
"sha256": "18f98ee3d2ded2d9",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 14,
"described": 14,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "cjc1808.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
5,
1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cjc1808-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
5,
1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "3e5ac5813bac975704093db4970854de32fb45aa9fde32d9cae5bcd3f03de30a",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "ESHINE",
"Package": "TSSOP-14",
"Category": "Data Acquisition",
"Pins": "14"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "18f98ee3d2ded2d9059df94ca77f5611e8bf4b391ce9b74a63f3ca3c2478a7fc",
"rows": [
{
"name": "VCC Analog supply voltage (absolute maximum)",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VDD Digital supply voltage (absolute maximum)",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Ground voltage differences AGND, DGND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.1,
"typ": null,
"max": 0.1,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Digital input voltage LRCK, BCK, DOUT",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "max printed as (VDD+0.3 V)<4 V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Digital input voltage SCKI, MD0, MD1, FMT",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Analog input voltage VINL, VINR, VREF",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "max printed as (VCC+0.3 V)<5.5 V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input current (any pins except supplies)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": -10,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VCC Analog supply voltage (recommended)",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 2.7,
"typ": 3.3,
"max": 5.5,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "VDD Digital supply voltage (recommended)",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 2.7,
"typ": 3.3,
"max": 3.6,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "High input logic level (recommended)",
"symbol": "VIH",
"kind": "recommended_operating",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "max printed as VDD",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Low input logic level (recommended)",
"symbol": "VIL",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Digital input clock frequency, system clock",
"symbol": "",
"kind": "recommended_operating",
"unit": "MHz",
"min": 2.048,
"typ": null,
"max": 49.152,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Digital input clock frequency, sampling clock",
"symbol": "",
"kind": "recommended_operating",
"unit": "kHz",
"min": 8,
"typ": null,
"max": 96,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Operating ambient temperature range",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": null,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Junction temperature (recommended)",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "°C",
"min": -55,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Sampling frequency fs",
"symbol": "fs",
"kind": "electrical",
"unit": "kHz",
"min": 8,
"typ": 48,
"max": 96,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "System clock frequency 256 fs",
"symbol": "",
"kind": "electrical",
"unit": "MHz",
"min": 2.048,
"typ": 12.288,
"max": 24.576,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "System clock frequency 384 fs",
"symbol": "",
"kind": "electrical",
"unit": "MHz",
"min": 3.072,
"typ": 18.432,
"max": 36.864,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "System clock frequency 512 fs",
"symbol": "",
"kind": "electrical",
"unit": "MHz",
"min": 4.096,
"typ": 24.576,
"max": 49.152,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "High input logic level",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "max printed as VDD",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Low input logic level",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "High input logic current",
"symbol": "IIH",
"kind": "electrical",
"unit": "µA",
"min": -10,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Low input logic current",
"symbol": "IIL",
"kind": "electrical",
"unit": "µA",
"min": -10,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "High output logic level",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 2.8,
"typ": null,
"max": null,
"conditions": "IOUT = –4 mA",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Low output logic level",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "IOUT = 4 mA",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Pass-band ripple",
"symbol": "",
"kind": "electrical",
"unit": "dB",
"min": -0.035,
"typ": null,
"max": 0.035,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "System clock pulse duration, HIGH",
"symbol": "tw(SCKH)",
"kind": "timing",
"unit": "ns",
"min": 8,
"typ": null,
"max": null,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "System clock pulse duration, LOW",
"symbol": "tw(SCKL)",
"kind": "timing",
"unit": "ns",
"min": 8,
"typ": null,
"max": null,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "System clock duty cycle",
"symbol": "",
"kind": "timing",
"unit": "%",
"min": 45,
"typ": null,
"max": 55,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Delay time from SCKI halt to internal reset",
"symbol": "t(CKR)",
"kind": "timing",
"unit": "µs",
"min": 4,
"typ": null,
"max": null,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "LRCK setup time to BCK rising edge (slave)",
"symbol": "t(LRSU)",
"kind": "timing",
"unit": "ns",
"min": 50,
"typ": null,
"max": null,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "LRCK hold time to BCK rising edge (slave)",
"symbol": "t(LRHD)",
"kind": "timing",
"unit": "ns",
"min": 10,
"typ": null,
"max": null,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Delay time, BCK falling edge to DOUT valid (slave)",
"symbol": "t(CKDO)",
"kind": "timing",
"unit": "ns",
"min": -10,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Delay time, LRCK edge to DOUT valid (slave)",
"symbol": "t(LRDO)",
"kind": "timing",
"unit": "ns",
"min": -10,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "BCK period (master)",
"symbol": "t(BCKP)",
"kind": "timing",
"unit": "ns",
"min": 150,
"typ": null,
"max": 2000,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "BCK pulse duration, HIGH (master)",
"symbol": "t(BCKH)",
"kind": "timing",
"unit": "ns",
"min": 65,
"typ": null,
"max": 1200,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "BCK pulse duration, LOW (master)",
"symbol": "t(BCKL)",
"kind": "timing",
"unit": "ns",
"min": 65,
"typ": null,
"max": 1200,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Delay time, BCK falling edge to LRCK valid (master)",
"symbol": "t(CKLR)",
"kind": "timing",
"unit": "ns",
"min": -10,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "LRCK period (master)",
"symbol": "t(LRCP)",
"kind": "timing",
"unit": "ns",
"min": 10,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Delay time, BCK falling edge to DOUT valid (master)",
"symbol": "t(CKDO)",
"kind": "timing",
"unit": "ns",
"min": -10,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Delay time, LRCK edge to DOUT valid (master)",
"symbol": "t(LRDO)",
"kind": "timing",
"unit": "ns",
"min": -10,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Delay time, SCKI rising edge to BCK edge",
"symbol": "t(SCKBCK)",
"kind": "timing",
"unit": "ns",
"min": 5,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 8,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"cjc1808"
],
"discovery_pitch": "CJC1808 (ESHINE) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"cjc1808.kicad_sym",
"cjc1808.kicad_mod",
"cjc1808.glb",
"cjc1808.step",
"cjc1808.lbr",
"docs/hero.png",
"docs/cjc1808-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"cjc1808-hero.glb",
"cjc1808-hero.overlay.json",
"cjc1808-etched.glb"
],
"visibility": {
"public": true
}
}