component
ADS7028IRTER
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADCs), WQFN-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"name": "AIN2/GPIO2",
"type": "bidirectional",
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{
"number": "2",
"name": "AIN3/GPIO3",
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{
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{
"number": "4",
"name": "AIN5/GPIO5",
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{
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"name": "AIN6/GPIO6",
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{
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{
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"description": "Analog supply input, also used as the reference voltage to the ADC; connect a 1-µF decoupling capacitor to GND."
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{
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"name": "DECAP",
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"description": "Connect a 1-µF decoupling capacitor to GND for the internal power supply."
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{
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"description": "Ground for the power supply; all analog and digital signals are referred to this pin voltage."
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{
"number": "10",
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"description": "Digital I/O supply voltage; connect a 1-µF decoupling capacitor to GND."
},
{
"number": "11",
"name": "CS",
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"description": "Active-low chip-select input; the device takes control of the data bus when CS is low, starts converting the active input channel on the rising edge of CS, and SDO goes hi-Z when CS is high."
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{
"number": "12",
"name": "SDO",
"type": "output",
"description": "Serial data out for the device."
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{
"number": "13",
"name": "SCLK",
"type": "input",
"description": "Serial clock for the SPI interface."
},
{
"number": "14",
"name": "SDI",
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"description": "Serial data in for the device."
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{
"number": "15",
"name": "AIN0/GPIO0",
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{
"number": "16",
"name": "AIN1/GPIO1",
"type": "bidirectional",
"description": "Channel 1 can be configured as either an analog input (default), digital input, or digital output."
},
{
"number": "17",
"name": "Thermal pad",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
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"exposed pad 17 added from the footprint"
],
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{
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"name": "Full-scale input range (AINX - GND)",
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{
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"name": "Ambient temperature",
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"min": -40,
"typ": 25,
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{
"name": "Differential nonlinearity",
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{
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"min": -1.3,
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{
"name": "Input offset error",
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"conditions": "Post offset calibration",
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{
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"min": -0.075,
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{
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},
{
"name": "Signal-to-noise + distortion ratio (SINAD)",
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"min": 70.2,
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"max": null,
"conditions": "AVDD = 5 V, fIN = 2 kHz",
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{
"name": "Signal-to-noise + distortion ratio (SINAD)",
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"conditions": "AVDD = 3 V, fIN = 2 kHz",
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{
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{
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"symbol": "SNR",
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{
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{
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{
"name": "SPI input low logic level",
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{
"name": "SPI output low logic level",
"symbol": "VOL",
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"typ": null,
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"conditions": "Sink current = 2 mA, DVDD > 2 V",
"source_page": 6,
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{
"name": "SPI output low logic level",
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"kind": "electrical",
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"typ": null,
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"conditions": "Sink current = 2 mA, DVDD ≤ 2 V",
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{
"name": "GPIO input low logic level",
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{
"name": "GPIO input leakage current",
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{
"name": "GPIO output low logic level",
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"conditions": "ISINK = 2 mA",
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{
"name": "Analog supply current (full throughput, AVDD = 5 V)",
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{
"name": "Analog supply current (full throughput, AVDD = 3 V)",
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{
"name": "Analog supply current (no conversion, AVDD = 5 V)",
"symbol": "IAVDD",
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"min": null,
"typ": 7,
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"conditions": "No conversion, AVDD = 5 V",
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{
"name": "Resolution",
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"max": null,
"conditions": "No missing codes",
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{
"name": "Sampling capacitance",
"symbol": "CSH",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 12,
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{
"name": "Total harmonic distortion",
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"kind": "electrical",
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"min": null,
"typ": -87.5,
"max": null,
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{
"name": "Spurious-free dynamic range",
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{
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},
{
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{
"name": "GPIO output low sink current",
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"conditions": "VOL < 0.3 x AVDD",
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},
{
"name": "Junction-to-ambient thermal resistance",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 49.7,
"max": null,
"conditions": "",
"source_page": 5,
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},
{
"name": "Junction-to-case (top) thermal resistance",
"symbol": "RθJC(top)",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 53.4,
"max": null,
"conditions": "",
"source_page": 5,
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},
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