component
ADM3312EARUZ
Public Made by Adomby adom
Analog Devices RS232 ICs, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "adm3312earuz",
"title": "ADM3312EARUZ",
"brief": "Analog Devices RS232 ICs, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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"communication interface chip-uart-485-232",
"adm3312earuz",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ADM3312EARUZ",
"manufacturer": "Analog Devices",
"package": "TSSOP-24",
"pin_count": 24,
"category": "Communication Interface Chip/UART/485/232",
"subcategory": "RS232 ICs",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADM3307E_3310E_3311E_3312E_3315E.pdf",
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"lbr": "adm3312earuz.lbr"
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"lcsc": "C658220",
"digikey": "505-ADM3312EARUZ-ND",
"mouser": "584-ADM3312EARUZ"
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"pins": [
{
"number": "1",
"name": "V+",
"type": "power_out",
"description": "Internally generated positive supply of 7.25 V (6.5 V nominal for ADM3315E); capacitor C4 is connected between VCC and V+."
},
{
"number": "2",
"name": "C2+",
"type": "passive",
"description": "External capacitor 2 positive terminal; 0.1 µF recommended, up to 1 µF can be used."
},
{
"number": "3",
"name": "VCC",
"type": "power_in",
"description": "Power supply input, 2.7 V to 3.6 V."
},
{
"number": "4",
"name": "C2–",
"type": "passive",
"description": "External capacitor 2 negative terminal; 0.1 µF recommended, up to 1 µF can be used."
},
{
"number": "5",
"name": "EN",
"type": "input",
"description": "Receiver enable; a high level three-states all the receiver outputs."
},
{
"number": "6",
"name": "C1+",
"type": "passive",
"description": "External capacitor 1 positive terminal; 0.1 µF recommended, up to 1 µF can be used."
},
{
"number": "7",
"name": "T1IN",
"type": "input",
"description": "Transmitter 1 input accepting TTL/CMOS levels, with an internal 400 kΩ pull-up resistor to VCC."
},
{
"number": "8",
"name": "T2IN",
"type": "input",
"description": "Transmitter 2 input accepting TTL/CMOS levels, with an internal 400 kΩ pull-up resistor to VCC."
},
{
"number": "9",
"name": "T3IN",
"type": "input",
"description": "Transmitter 3 input accepting TTL/CMOS levels, with an internal 400 kΩ pull-up resistor to VCC."
},
{
"number": "10",
"name": "R1OUT",
"type": "output",
"description": "Receiver 1 output with TTL/CMOS levels; three-stated when EN is high."
},
{
"number": "11",
"name": "R2OUT",
"type": "output",
"description": "Receiver 2 output with TTL/CMOS levels; three-stated when EN is high."
},
{
"number": "12",
"name": "R3OUT",
"type": "output",
"description": "Receiver 3 output with TTL/CMOS levels; remains active in shutdown."
},
{
"number": "13",
"name": "R3IN",
"type": "input",
"description": "Receiver 3 input accepting RS-232 levels, with an internal 5 kΩ pull-down resistor to GND."
},
{
"number": "14",
"name": "R2IN",
"type": "input",
"description": "Receiver 2 input accepting RS-232 levels, with an internal 5 kΩ pull-down resistor to GND."
},
{
"number": "15",
"name": "R1IN",
"type": "input",
"description": "Receiver 1 input accepting RS-232 levels, with an internal 5 kΩ pull-down resistor to GND."
},
{
"number": "16",
"name": "T3OUT",
"type": "output",
"description": "Transmitter 3 RS-232 output, typically ±6.4 V for ADM3312E."
},
{
"number": "17",
"name": "T2OUT",
"type": "output",
"description": "Transmitter 2 RS-232 output, typically ±6.4 V for ADM3312E."
},
{
"number": "18",
"name": "T1OUT",
"type": "output",
"description": "Transmitter 1 RS-232 output, typically ±6.4 V for ADM3312E."
},
{
"number": "19",
"name": "SD",
"type": "input",
"description": "Shutdown control; a high level disables the charge pump and reduces quiescent current to less than 1 µA."
},
{
"number": "20",
"name": "C1–",
"type": "passive",
"description": "External capacitor 1 negative terminal; 0.1 µF recommended, up to 1 µF can be used."
},
{
"number": "21",
"name": "V–",
"type": "power_out",
"description": "Internally generated negative supply of −7.25 V; capacitor C5 is connected between GND and V−."
},
{
"number": "22",
"name": "C3–",
"type": "passive",
"description": "External capacitor 3 negative terminal; 0.1 µF recommended, up to 1 µF can be used."
},
{
"number": "23",
"name": "GND",
"type": "power_in",
"description": "Ground pin; must be connected to 0 V."
},
{
"number": "24",
"name": "C3+",
"type": "passive",
"description": "External capacitor 3 positive terminal; 0.1 µF recommended, up to 1 µF can be used."
}
],
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"primary_model": "claude-haiku-5-5",
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"extractor flagged: The Figure 9 TSSOP pin-number labels are scrambled in the extracted text, so the name-to-number mapp; Pin 1 is inferred as C2+ from the figure text order, not from an explicit pin-1 label. The datasheet; Pin 3 is printed as 'C2' in the figure text and read as C2–. Pin 12 SD and pin 6 EN are read from th"
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"Package": "TSSOP-24",
"Category": "Communication Interface Chip/UART/485/232",
"Pins": "24"
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"name": "Supply voltage VCC",
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"name": "Supply current, operating",
"symbol": "ICC",
"kind": "electrical",
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"min": null,
"typ": null,
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"conditions": "ADM3312E, product selection guide maximum",
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"name": "Supply current, shutdown",
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"min": null,
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"conditions": "ADM3312E, shutdown (SD high); footnote: typically 20 nA",
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"name": "Shutdown supply current typical",
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"typ": 20,
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{
"name": "Maximum data rate",
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"unit": "kbps",
"min": 250,
"typ": 460,
"max": null,
"conditions": "RL = 3 kΩ to 7 kΩ, CL = 50 pF to 1000 pF, VCC = 3.0 V",
"source_page": 5,
"source": "datasheet"
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{
"name": "Receiver propagation delay TPHL, TPLH",
"symbol": "TPHL, TPLH",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": 0.3,
"max": null,
"conditions": "CL = 150 pF",
"source_page": 5,
"source": "datasheet"
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{
"name": "Receiver output enable time",
"symbol": "tER",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "Receiver output disable time",
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"typ": null,
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"source_page": 5,
"source": "datasheet"
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"name": "Transmitter propagation delay TPHL, TPLH",
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"unit": "ns",
"min": null,
"typ": null,
"max": 500,
"conditions": "RL = 3 kΩ, CL = 1000 pF",
"source_page": 5,
"source": "datasheet"
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{
"name": "Transition region slew rate",
"symbol": "",
"kind": "timing",
"unit": "V/µs",
"min": 3,
"typ": null,
"max": 18,
"conditions": "RL = 3 kΩ, CL = 50 pF to 1000 pF; measured at +3 V to −3 V or −3 V to +3 V",
"source_page": 5,
"source": "datasheet"
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{
"name": "ESD protection, I/O pins, human body model",
"symbol": "",
"kind": "absolute_maximum",
"unit": "kV",
"min": -15,
"typ": null,
"max": 15,
"conditions": "Human body model",
"source_page": 5,
"source": "datasheet"
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{
"name": "ESD protection, I/O pins, IEC 1000-4-2 air discharge",
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"unit": "kV",
"min": -15,
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"max": 15,
"conditions": "IEC 1000-4-2 air discharge",
"source_page": 5,
"source": "datasheet"
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{
"name": "ESD protection, I/O pins, IEC 1000-4-2 contact discharge",
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"min": -8,
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"max": 8,
"conditions": "IEC 1000-4-2 contact discharge",
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"source": "datasheet"
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{
"name": "Supply voltage VCC",
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"kind": "absolute_maximum",
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"min": -0.3,
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"conditions": "",
"source_page": 6,
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{
"name": "Positive generated supply V+",
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{
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"min": -9,
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"conditions": "Printed as +0.3 V to −9 V",
"source_page": 6,
"source": "datasheet"
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{
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"symbol": "TIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
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"source": "datasheet"
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{
"name": "Receiver input voltage RIN",
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"min": -30,
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{
"name": "Transmitter output voltage TOUT",
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"kind": "absolute_maximum",
"unit": "V",
"min": -15,
"typ": null,
"max": 15,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Receiver output voltage ROUT",
"symbol": "ROUT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "Printed as up to (VCC + 0.3 V); upper bound depends on VCC",
"source_page": 6,
"source": "datasheet"
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{
"name": "Storage temperature range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Lead temperature, soldering",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 300,
"conditions": "10 sec soldering",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Thermal impedance, junction-to-ambient",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 68,
"max": null,
"conditions": "TSSOP (RU-24) package",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Internal positive supply V+ nominal (ADM3312E)",
"symbol": "V+",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 7.25,
"max": null,
"conditions": "Generated by charge pump; 6.5 V nominal applies to ADM3310E/ADM3315E only",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Internal negative supply V− nominal (ADM3312E)",
"symbol": "V−",
"kind": "electrical",
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"min": null,
"typ": -7.25,
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"conditions": "Generated by charge pump; −6.5 V nominal applies to ADM3310E/ADM3315E only",
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"source": "datasheet"
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{
"name": "Transmitter output swing (ADM3312E)",
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"min": null,
"typ": 6.4,
"max": null,
"conditions": "Printed ±6.4 V typical; VCC = 3.0 V, EIA-232 load",
"source_page": 9,
"source": "datasheet"
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{
"name": "Transmitter input pull-up resistor",
"symbol": "",
"kind": "electrical",
"unit": "kΩ",
"min": null,
"typ": 400,
"max": null,
"conditions": "Internal pull-up to VCC on each TIN",
"source_page": 9,
"source": "datasheet"
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{
"name": "Receiver input pull-down resistor (ADM3312E)",
"symbol": "",
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"unit": "kΩ",
"min": null,
"typ": 5,
"max": null,
"conditions": "Internal pull-down to GND on each RIN; 22 kΩ applies to ADM3315E only",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Charge pump capacitors C1 to C3",
"symbol": "C1, C2, C3",
"kind": "recommended_operating",
"unit": "µF",
"min": 0.1,
"typ": null,
"max": 1,
"conditions": "0.1 µF recommended; larger values up to 1 µF can be used",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Charge pump oscillator frequency",
"symbol": "",
"kind": "electrical",
"unit": "kHz",
"min": null,
"typ": 250,
"max": null,
"conditions": "300 kHz applies to ADM3307E only",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Receiver input hysteresis",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.14,
"max": null,
"conditions": "Schmitt trigger inputs",
"source_page": 15,
"source": "datasheet"
}
]
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