component
ADF4158CCPZ-RL7
Public Made by Adomby adom
Analog Devices Clock Generators, PLLs, Frequency Synthesizers, LFCSP-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"package": "LFCSP-24(4x4)",
"pin_count": 25,
"category": "Clock/Timing",
"subcategory": "Clock Generators, PLLs, Frequency Synthesizers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588935668093628416",
"parts": {
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"pins": [
{
"number": "1",
"name": "CPGND",
"type": "power_in",
"description": "Charge pump ground; this is the ground return for the charge pump."
},
{
"number": "2",
"name": "AGND",
"type": "power_in",
"description": "Analog ground; this is the ground return for the prescaler."
},
{
"number": "3",
"name": "AGND",
"type": "power_in",
"description": "Analog ground; this is the ground return for the prescaler."
},
{
"number": "4",
"name": "RFINB",
"type": "input",
"description": "Complementary RF prescaler input, decoupled to the ground plane through a small bypass capacitor (typically 100 pF)."
},
{
"number": "5",
"name": "RFINA",
"type": "input",
"description": "RF prescaler input; this small-signal input is normally AC-coupled from the VCO."
},
{
"number": "6",
"name": "AVDD",
"type": "power_in",
"description": "Positive supply for the RF section; decouple to the digital ground plane close to the pin, and AVDD must be the same voltage as DVDD."
},
{
"number": "7",
"name": "AVDD",
"type": "power_in",
"description": "Positive supply for the RF section; decouple to the digital ground plane close to the pin, and AVDD must be the same voltage as DVDD."
},
{
"number": "8",
"name": "AVDD",
"type": "power_in",
"description": "Positive supply for the RF section; decouple to the digital ground plane close to the pin, and AVDD must be the same voltage as DVDD."
},
{
"number": "9",
"name": "REFIN",
"type": "input",
"description": "Reference input; a CMOS input with a nominal threshold of VDD/2 and a 100 kΩ equivalent input resistance that can be driven by a TTL or CMOS crystal oscillator or AC-coupled."
},
{
"number": "10",
"name": "DGND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "11",
"name": "SDGND",
"type": "power_in",
"description": "Ground return for the digital sigma-delta modulator."
},
{
"number": "12",
"name": "TXDATA",
"type": "input",
"description": "Tx data pin; supplies the data sent in FSK or PSK modulation mode."
},
{
"number": "13",
"name": "CE",
"type": "input",
"description": "Chip enable; a logic low on this pin powers the device down and puts the charge pump output into three-state mode."
},
{
"number": "14",
"name": "CLK",
"type": "input",
"description": "Serial clock input used to shift serial data into the register; data is latched into the shift register on the CLK rising edge, and this is a high-impedance CMOS input."
},
{
"number": "15",
"name": "DATA",
"type": "input",
"description": "Serial data input, loaded MSB first with the three LSBs used as control bits; this is a high-impedance CMOS input."
},
{
"number": "16",
"name": "LE",
"type": "input",
"description": "Load enable, CMOS input; when LE goes high, the data stored in the shift register is loaded into one of eight latches selected by the control bits."
},
{
"number": "17",
"name": "MUXOUT",
"type": "output",
"description": "Multiplexer output allowing external access to RF lock detect, scaled RF, or reference frequency."
},
{
"number": "18",
"name": "SDVDD",
"type": "power_in",
"description": "Power supply pin for the digital sigma-delta modulator; its voltage must equal AVDD, and a decoupling capacitor should be placed close to the pin."
},
{
"number": "19",
"name": "DVDD",
"type": "power_in",
"description": "Positive supply for the digital section; decouple close to the pin, and DVDD must be the same voltage as AVDD."
},
{
"number": "20",
"name": "SW1",
"type": "passive",
"description": "Switch used for fast lock."
},
{
"number": "21",
"name": "SW2",
"type": "passive",
"description": "Switch used for fast lock."
},
{
"number": "22",
"name": "VP",
"type": "power_in",
"description": "Charge pump supply; this pin must be greater than or equal to VDD, and in a 3 V system it can be set to 5.5 V to drive a VCO with a tuning range up to 5.5 V."
},
{
"number": "23",
"name": "RSET",
"type": "passive",
"description": "A resistor connected between this pin and ground sets the maximum charge pump output current; the datasheet example gives ICPmax = 5 mA for RSET = 5.1 kΩ."
},
{
"number": "24",
"name": "CP",
"type": "output",
"description": "Charge pump output; when enabled it supplies ±ICP to the external loop filter, which drives the external VCO."
},
{
"number": "25",
"name": "EPAD",
"type": "power_in",
"description": "Exposed paddle on the LFCSP that must be connected to GND."
}
],
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"guards": "pin_guards 0.1: passed",
"guard_notes": [
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],
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"at": "2026-10-20T23:22:45"
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"sha256": "7b6bbb25f289e954",
"source_tier": "lcsc"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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"described": 25,
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"specs": {
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"Package": "LFCSP-24(4x4)",
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"Pins": "25"
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"rows": [
{
"name": "RF input frequency (RFIN)",
"symbol": "RFIN",
"kind": "electrical",
"unit": "GHz",
"min": 0.5,
"typ": null,
"max": 6.1,
"conditions": "−10 dBm (min) to 0 dBm (max)",
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{
"name": "REFIN input frequency",
"symbol": "REFIN",
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"conditions": "If f < 10 MHz, use DC-coupled CMOS square wave, slew rate > 25 V/μs",
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{
"name": "REFIN input frequency (internal reference doubler enabled)",
"symbol": "REFIN",
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{
"name": "REFIN input sensitivity",
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{
"name": "Phase frequency detector frequency",
"symbol": "",
"kind": "electrical",
"unit": "MHz",
"min": null,
"typ": null,
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{
"name": "RSET range",
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"kind": "electrical",
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"min": 2.7,
"typ": null,
"max": 10,
"conditions": "",
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{
"name": "Charge pump three-state leakage current",
"symbol": "ICP",
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"min": null,
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"conditions": "Sink and source current",
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{
"name": "Charge pump current matching",
"symbol": "ICP",
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"conditions": "0.5 V < VCP < VP − 0.5 V",
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"source": "datasheet"
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{
"name": "Charge pump current vs VCP",
"symbol": "ICP",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": null,
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"conditions": "0.5 V < VCP < VP − 0.5 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Charge pump current vs temperature",
"symbol": "ICP",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": null,
"max": 2,
"conditions": "VCP = VP/2",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Charge pump absolute accuracy",
"symbol": "ICP",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": null,
"max": 2.5,
"conditions": "RSET = 5.1 kΩ",
"source_page": 4,
"source": "datasheet"
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{
"name": "High input voltage",
"symbol": "VINH",
"kind": "electrical",
"unit": "V",
"min": 1.4,
"typ": null,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
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{
"name": "Low input voltage",
"symbol": "VINL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input current",
"symbol": "IINH/IINL",
"kind": "electrical",
"unit": "µA",
"min": -1,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 4,
"source": "datasheet"
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{
"name": "High output voltage (open-drain output)",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 1.4,
"typ": null,
"max": null,
"conditions": "Open-drain output selected; 1 kΩ pull-up to 1.8 V",
"source_page": 4,
"source": "datasheet"
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{
"name": "Output low voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "IOL = 500 µA",
"source_page": 4,
"source": "datasheet"
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{
"name": "High output current",
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"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 100,
"conditions": "",
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{
"name": "Supply voltage AVDD",
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"typ": null,
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{
"name": "Charge pump supply voltage VP",
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"typ": null,
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{
"name": "Supply current IDD",
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"unit": "mA",
"min": null,
"typ": 23,
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"conditions": "",
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{
"name": "Write timing LE setup time",
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"min": 20,
"typ": null,
"max": null,
"conditions": "TMIN to TMAX (grade C)",
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"source": "datasheet"
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{
"name": "Write timing DATA to CLK setup time",
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"kind": "timing",
"unit": "ns",
"min": 10,
"typ": null,
"max": null,
"conditions": "TMIN to TMAX (grade C)",
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"source": "datasheet"
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{
"name": "Write timing DATA to CLK hold time",
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"kind": "timing",
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"min": 10,
"typ": null,
"max": null,
"conditions": "TMIN to TMAX (grade C)",
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{
"name": "Write timing CLK high duration",
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"min": 25,
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"conditions": "TMIN to TMAX (grade C)",
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{
"name": "Write timing CLK low duration",
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"kind": "timing",
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"max": null,
"conditions": "TMIN to TMAX (grade C)",
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{
"name": "Write timing CLK to LE setup time",
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"conditions": "TMIN to TMAX (grade C)",
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{
"name": "Write timing LE pulse width",
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"conditions": "TMIN to TMAX (grade C)",
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{
"name": "Readback timing TXDATA setup time",
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"min": 20,
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"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Readback timing CLK to DATA (on MUXOUT) setup time",
"symbol": "t2",
"kind": "timing",
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"min": 20,
"typ": null,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Readback timing CLK high duration",
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"min": 25,
"typ": null,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Readback timing CLK low duration",
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{
"name": "Readback timing CLK to LE setup time",
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{
"name": "VDD to GND",
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{
"name": "VDD to VDD",
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"kind": "absolute_maximum",
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"typ": null,
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},
{
"name": "VP to GND",
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"typ": null,
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{
"name": "VP to VDD",
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"typ": null,
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{
"name": "Digital I/O voltage to GND",
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"typ": null,
"max": null,
"conditions": "Upper limit printed as VDD + 0.3 V",
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{
"name": "Analog I/O voltage to GND",
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"conditions": "Upper limit printed as VDD + 0.3 V",
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},
{
"name": "REFIN, RFIN to GND",
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"kind": "absolute_maximum",
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"typ": null,
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"conditions": "Upper limit printed as VDD + 0.3 V",
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