component
AD7195BCPZ-RL7
Public Made by Adomby adom
Analog Devices Analog To Digital Converters (ADC), QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "AD7195BCPZ-RL7",
"brief": "Analog Devices Analog To Digital Converters (ADC), QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"component": {
"mpn": "AD7195BCPZ-RL7",
"manufacturer": "Analog Devices",
"package": "QFN-32-EP(5x5)",
"pin_count": 33,
"category": "Data Acquisition",
"subcategory": "Analog To Digital Converters (ADC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588885974302527488",
"parts": {
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"digikey": "505-AD7195BCPZ-RL7TR-ND"
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"number": "1",
"name": "ACX2",
"type": "output",
"description": "Digital output for AC-excitation bridge switching; it is the inverse of ACX1 and is held low when the ACX bit is 0, with a non-overlap of 1/f(MCLK), which is 200 ns with a 4.92 MHz clock."
},
{
"number": "2",
"name": "ACX2",
"type": "output",
"description": "Complement of the ACX2 output for AC-excitation bridge switching; it is held high when the ACX bit is 0."
},
{
"number": "3",
"name": "ACX1",
"type": "output",
"description": "Digital output for AC-excitation bridge polarity control; high means normal excitation and low means reversed (chopped) excitation, and it is held high when the ACX bit is 0."
},
{
"number": "4",
"name": "ACX1",
"type": "output",
"description": "Complement of the ACX1 output for AC-excitation bridge switching; it is held low when the ACX bit is 0."
},
{
"number": "5",
"name": "AVDD",
"type": "power_in",
"description": "Analog supply voltage, 4.75 V to 5.25 V, independent of DVDD."
},
{
"number": "6",
"name": "AGND",
"type": "power_in",
"description": "Analog reference ground point."
},
{
"number": "7",
"name": "NC",
"type": "unconnected",
"description": "No connect; the datasheet states this pin should be connected to AGND."
},
{
"number": "8",
"name": "AINCOM",
"type": "passive",
"description": "Reference input to which AIN1 to AIN4 are referenced when the part is configured for pseudo-differential operation."
},
{
"number": "9",
"name": "AIN1",
"type": "passive",
"description": "Analog input that acts as the positive input of a fully differential pair with AIN2, or as a pseudo-differential input referenced to AINCOM."
},
{
"number": "10",
"name": "AIN2",
"type": "passive",
"description": "Analog input that acts as the negative input of a fully differential pair with AIN1, or as a pseudo-differential input referenced to AINCOM."
},
{
"number": "11",
"name": "NC",
"type": "unconnected",
"description": "No connect; the datasheet states this pin should be connected to AGND."
},
{
"number": "12",
"name": "NC",
"type": "unconnected",
"description": "No connect; the datasheet states this pin should be connected to AGND."
},
{
"number": "13",
"name": "NC",
"type": "unconnected",
"description": "No connect; the datasheet states this pin should be connected to AGND."
},
{
"number": "14",
"name": "NC",
"type": "unconnected",
"description": "No connect; the datasheet states this pin should be connected to AGND."
},
{
"number": "15",
"name": "AIN3",
"type": "passive",
"description": "Analog input that acts as the positive input of a fully differential pair with AIN4, or as a pseudo-differential input referenced to AINCOM."
},
{
"number": "16",
"name": "AIN4",
"type": "passive",
"description": "Analog input that acts as the negative input of a fully differential pair with AIN3, or as a pseudo-differential input referenced to AINCOM."
},
{
"number": "17",
"name": "REFIN(+)",
"type": "passive",
"description": "Positive reference input that may be placed between AVDD and AGND + 1 V, with a nominal reference (REFIN(+) minus REFIN(-)) of AVDD and operation from 1 V to AVDD."
},
{
"number": "18",
"name": "REFIN(-)",
"type": "passive",
"description": "Negative reference input that may be any value between AGND and AVDD - 1 V."
},
{
"number": "19",
"name": "NC",
"type": "unconnected",
"description": "No connect; the datasheet states this pin should be connected to AGND."
},
{
"number": "20",
"name": "BPDSW",
"type": "passive",
"description": "Bridge power-down switch to AGND; it can sink 30 mA continuously with a maximum on-resistance of 10 Ω."
},
{
"number": "21",
"name": "AGND",
"type": "power_in",
"description": "Analog reference ground point."
},
{
"number": "22",
"name": "DGND",
"type": "power_in",
"description": "Digital ground reference point."
},
{
"number": "23",
"name": "AVDD",
"type": "power_in",
"description": "Analog supply voltage, 4.75 V to 5.25 V, independent of DVDD."
},
{
"number": "24",
"name": "DVDD",
"type": "power_in",
"description": "Digital supply voltage, 2.7 V to 5.25 V, independent of AVDD."
},
{
"number": "25",
"name": "SYNC",
"type": "input",
"description": "Logic input for synchronizing the digital filter with the analog modulator; driving it low resets the filter and holds the modulator in reset, and it has an internal pull-up to DVDD."
},
{
"number": "26",
"name": "NC",
"type": "unconnected",
"description": "No connect; the datasheet states this pin should be connected to AGND."
},
{
"number": "27",
"name": "DOUT/RDY",
"type": "output",
"description": "Serial data output and data-ready output; it goes low when a conversion is complete and returns high when the data is read or before a new update."
},
{
"number": "28",
"name": "DIN",
"type": "input",
"description": "Serial data input to the ADC input shift register, which loads the communications register."
},
{
"number": "29",
"name": "MCLK1",
"type": "passive",
"description": "Connects to MCLK2 for an external crystal; it is left unconnected when a CMOS clock drives MCLK2."
},
{
"number": "30",
"name": "MCLK2",
"type": "bidirectional",
"description": "Master clock pin that can output the 4.92 MHz internal clock, or accept a crystal (between MCLK1 and MCLK2) or a CMOS-compatible external clock."
},
{
"number": "31",
"name": "SCLK",
"type": "input",
"description": "Serial clock input with a Schmitt-trigger input that is suitable for opto-isolated applications."
},
{
"number": "32",
"name": "CS",
"type": "input",
"description": "Active-low chip select input for selecting the ADC; it can be hard-wired low for 3-wire operation."
},
{
"number": "33",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
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"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
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"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The exposed pad is not given a pin number in the datasheet. Figure 5 says to connect it to AGND, so ; Overbars were lost in text extraction. Pins 1 and 2 are both printed as ACX2, and pins 3 and 4 are b; The pin table says the NC pins should be connected to AGND, but the figure note defines NC as no con",
"exposed pad 33 added from the footprint"
],
"pages_sent": 34,
"cost_usd": 0.216,
"at": "2026-10-18T16:15:36"
},
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},
"cad": "KiCad official (CC-BY-SA 4.0)",
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"described": 33,
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"metadata": {
"specs": {
"Manufacturer": "Analog Devices",
"Package": "QFN-32-EP(5x5)",
"Category": "Data Acquisition",
"Pins": "33"
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{
"name": "Output data rate, Sinc4 filter, chop disabled",
"symbol": "",
"kind": "electrical",
"unit": "Hz",
"min": 4.7,
"typ": null,
"max": 4800,
"conditions": "斩波禁用",
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{
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{
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"conditions": "4.92 MHz内部时钟",
"source_page": 32,
"source": "datasheet"
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{
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"min": null,
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"conditions": "增益 = 1，缓冲关",
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{
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"max": 1.3,
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{
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"kind": "electrical",
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"min": null,
"typ": 3.5,
"max": 4.5,
"conditions": "增益 = 8，缓冲关",
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{
"name": "AIDD supply current",
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"kind": "electrical",
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{
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"kind": "electrical",
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{
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{
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{
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"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
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"conditions": "省电模式",
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{
"name": "Logic input high voltage",
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{
"name": "Logic input low voltage",
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{
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"conditions": "DVDD = 5 V, ISOURCE = 200 µA",
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"name": "DOUT/RDY output low voltage",
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"conditions": "DVDD = 3 V, ISINK = 100 µA",
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{
"name": "ACX digital output high voltage",
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"conditions": "AVDD = 5 V, ISOURCE = 200 µA",
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"source": "datasheet"
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{
"name": "ACX digital output low voltage",
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"conditions": "AVDD = 5 V, ISINK = 800 µA",
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