component
AD598JRZ
Public Made by Adomby adom
Analog Devices ADC/DAC - Specialized, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"number": "1",
"name": "-VS",
"type": "power_in",
"description": "Negative supply terminal; the total supply from +VS to -VS is rated to +36 V absolute maximum."
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{
"number": "2",
"name": "EXC 1",
"type": "output",
"description": "LVDT primary excitation drive output, with excitation voltage range 2.1 V rms to 24 V rms at 2.5 kHz and output current 30 mA rms."
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{
"number": "3",
"name": "EXC 2",
"type": "output",
"description": "Second LVDT primary excitation drive output, forming the differential sine drive with EXC 1."
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{
"number": "4",
"name": "LEVEL 1",
"type": "passive",
"description": "Excitation amplitude setting node; the excitation amplitude is programmed by external resistor R1 per the R1 versus VEXC curve."
},
{
"number": "5",
"name": "LEVEL 2",
"type": "passive",
"description": "Second excitation amplitude setting node; used with LEVEL 1 for the R1 connection that sets VEXC."
},
{
"number": "6",
"name": "FREQ 1",
"type": "passive",
"description": "Excitation frequency setting node; the external capacitor C1 sets frequency by C1 = 35 µF·Hz/fEXCITATION."
},
{
"number": "7",
"name": "FREQ 2",
"type": "passive",
"description": "Second excitation frequency setting node; grounded or connected to FREQ 1 to disable the internal oscillator in slave operation."
},
{
"number": "8",
"name": "B1 FILTER",
"type": "passive",
"description": "Filter node for the B secondary signal path; system bandwidth is set by the external filter capacitors C2 to C4."
},
{
"number": "9",
"name": "B2 FILTER",
"type": "passive",
"description": "Second filter node for the B secondary signal path, used with B1 FILTER for the filter network."
},
{
"number": "10",
"name": "VB",
"type": "power_in",
"description": "LVDT secondary input B; the signal input range is 0.1 V rms to 3.5 V rms."
},
{
"number": "11",
"name": "VA",
"type": "input",
"description": "LVDT secondary input A; the signal input range is 0.1 V rms to 3.5 V rms."
},
{
"number": "12",
"name": "A2 FILTER",
"type": "passive",
"description": "Second filter node for the A secondary signal path, used with A1 FILTER for the filter network."
},
{
"number": "13",
"name": "A1 FILTER",
"type": "passive",
"description": "Filter node for the A secondary signal path; system bandwidth is set by the external filter capacitors C2 to C4."
},
{
"number": "14",
"name": "OUTPUT FILTER",
"type": "passive",
"description": "Output filter node; the output filter capacitor sets the output ripple and bandwidth."
},
{
"number": "15",
"name": "FEEDBACK",
"type": "passive",
"description": "Feedback node for the scale-setting resistor R2, which sets the full-scale output range."
},
{
"number": "16",
"name": "SIGNAL OUTPUT",
"type": "output",
"description": "Scaled dc position output, equal to IREF×(A-B)/(A+B)×R2 as stated for the decoder."
},
{
"number": "17",
"name": "SIGNAL REFERENCE",
"type": "passive",
"description": "Signal reference node; VOUT is measured with respect to this pin."
},
{
"number": "18",
"name": "OFFSET 2",
"type": "passive",
"description": "Offset adjustment node; offset is set with R3 and R4 per the offset equation, and a potentiometer may connect between pins 18 and 19."
},
{
"number": "19",
"name": "OFFSET 1",
"type": "passive",
"description": "Offset adjustment node paired with OFFSET 2 for the R3 and R4 offset network."
},
{
"number": "20",
"name": "+VS",
"type": "power_in",
"description": "Positive supply terminal; operating range is 13 V to 36 V and absolute maximum total supply is +36 V."
}
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"at": "2026-10-30T22:55:12"
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"pages": 16,
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