component
LT1970ACFE#PBF
Public Made by Adomby adom
Analog Devices Operational Amplifier, TSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"brief": "Analog Devices Operational Amplifier, TSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"category": "Operational Amplifier/Comparator",
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"name": "VEE",
"type": "power_in",
"description": "Minus supply voltage connected to the die substrate, which must always be the most negative voltage applied to the part and may be negative or ground; any or all VEE pins may be used and unused ones must remain open."
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{
"number": "2",
"name": "V–",
"type": "power_in",
"description": "Output stage negative supply that may equal VEE or be smaller in magnitude, carries only output stage current, can drive the base/gate of an external boost device, and should otherwise be decoupled to ground with a low ESR capacitor."
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{
"number": "3",
"name": "OUT",
"type": "output",
"description": "Amplifier output and force connection of a Kelvin sensed load, normally tied to the external current sense resistor and SENSE+, and current limited to ±800mA typical."
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{
"number": "4",
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"type": "input",
"description": "Positive current sense pin normally connected to the driven end of the external sense resistor; sourcing limit activates when VSENSE equals 1/10 of the VCSRC voltage and sinking limit when VSENSE equals -1/10 of the VCSNK voltage."
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{
"number": "5",
"name": "FILTER",
"type": "passive",
"description": "Current sense filter pin normally left open or shorted to SENSE-, which can adapt the current sense response time with a 1nF to 100nF capacitor to SENSE- working with an internal 1k resistor."
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{
"number": "6",
"name": "SENSE–",
"type": "input",
"description": "Negative current sense pin normally connected to the load end of the external sense resistor, with current limiting activating at VSENSE equal to 1/10 of VCSRC (sourcing) or -1/10 of VCSNK (sinking)."
},
{
"number": "7",
"name": "VCC",
"type": "power_in",
"description": "Positive supply voltage for all circuitry except the output transistors, with total VCC to VEE supply between 3.5V and 36V, VCC always greater than or equal to V+, and decoupled to ground with a low ESR capacitor."
},
{
"number": "8",
"name": "–IN",
"type": "input",
"description": "Inverting amplifier input that may be any voltage from VEE - 0.3V to VEE + 36V and stays high impedance at all times, and must never go below VEE - 0.3V even transiently."
},
{
"number": "9",
"name": "+IN",
"type": "input",
"description": "Noninverting amplifier input that may be any voltage from VEE - 0.3V to VEE + 36V and stays high impedance at all times, and must never go below VEE - 0.3V even transiently."
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{
"number": "10",
"name": "VEE",
"type": "power_in",
"description": "Minus supply voltage connected to the die substrate, which must always be the most negative voltage applied to the part; any or all VEE pins may be used and unused ones must remain open."
},
{
"number": "11",
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"type": "power_in",
"description": "Minus supply voltage connected to the die substrate, which must always be the most negative voltage applied to the part; any or all VEE pins may be used and unused ones must remain open."
},
{
"number": "12",
"name": "VCSNK",
"type": "input",
"description": "Sink current limit control voltage input that sets the sink limit at a sense voltage of -1.0 • VVCSNK/10, may be set between VCOMMON and VCOMMON + 6V, and is linear except below 60mV with a typical 4mV minimum VSENSE set point."
},
{
"number": "13",
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"type": "input",
"description": "Source current limit control voltage input that sets the source limit at a sense voltage of VVCSRC/10, may be set between VCOMMON and VCOMMON + 6V, and is linear except below 60mV with a typical 4mV minimum VSENSE set point."
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{
"number": "14",
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"type": "passive",
"description": "Reference pin for the control and ENABLE inputs and flag outputs, which may be at any potential between VEE and VCC - 3V and is normally connected to ground."
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{
"number": "15",
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"description": "TTL-level digital enable input that turns off the amplifier output and drops supply current to less than 1mA when taken low, and can be used to force zero output current."
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{
"number": "16",
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"type": "output",
"description": "Open-collector sourcing current limit flag that pulls low whenever the sourcing current limit amplifier controls the output, sinks up to 10mA, may be wire-ORed with ISNK and TSD, and may be left open if unused."
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{
"number": "17",
"name": "ISNK",
"type": "output",
"description": "Open-collector sinking current limit flag that pulls low whenever the sinking current limit amplifier controls the output, sinks up to 10mA, may be wire-ORed with ISRC and TSD, and may be left open if unused."
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{
"number": "18",
"name": "TSD",
"type": "output",
"description": "Open-collector thermal shutdown flag that pulls low when the internal thermal shutdown activates at a typical die temperature of 160°C, sinks up to 10mA, may be wire-ORed with ISRC and ISNK, and may be left open if unused."
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{
"number": "19",
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"type": "power_in",
"description": "Output stage positive supply that may equal VCC or be smaller in magnitude, carries only output stage current, can drive the base/gate of an external boost device, and should otherwise be decoupled to ground with a low ESR capacitor."
},
{
"number": "20",
"name": "VEE",
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"description": "Minus supply voltage connected to the die substrate, which must always be the most negative voltage applied to the part; any or all VEE pins may be used and unused ones must remain open."
},
{
"number": "21",
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"conditions": "Note 8, exposed pad soldered to PCB",
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{
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{
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{
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"conditions": "VEE = V– = –5V, VCC = V+ = 3V to 30V",
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{
"name": "Output Short-Circuit Current Output Low",
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{
"name": "Current Sense Voltage 4% of Full Scale",
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{
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"name": "Current Sense Voltage 100% of Full Scale",
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{
"name": "Current Limit Control Input Bias Current",
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{
"name": "SENSE– Input Current",
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