component
LTC2850IMS8#TRPBF
Public Made by Adomby adom
Analog Devices RS-485 / RS-422 ICs, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"description": "Driver input: with the driver enabled (DE high), a low on DI drives the positive output low and the negative output high, and a high on DI drives the positive output high and the negative output low."
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{
"number": "5",
"name": "GND",
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"description": "Ground reference for the device; all voltages are referenced to this pin."
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{
"number": "6",
"name": "A",
"type": "bidirectional",
"description": "Noninverting receiver input and noninverting driver output for the LTC2850; input impedance is greater than 96kΩ in receive mode or when unpowered, and the operating common mode range is -7V to 12V."
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"description": "Inverting receiver input and inverting driver output for the LTC2850; input impedance is greater than 96kΩ in receive mode or when unpowered, and the operating common mode range is -7V to 12V."
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{
"number": "8",
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"name": "Supply Voltage (VCC)",
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{
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"name": "Differential Driver Output Voltage |VOD|",
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{
"name": "Difference in Magnitude of Driver Differential Output Voltage",
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"typ": null,
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"name": "Driver Common Mode Output Voltage",
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"min": null,
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"name": "Difference in Magnitude of Driver Common Mode Output Voltage",
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"min": -250,
"typ": null,
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"conditions": "–7V ≤ (Y or Z) ≤ 12V (Figure 2)",
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"name": "Maximum Driver Short-Circuit Current (reverse, extreme cold)",
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{
"name": "Receiver Input Current (A, B) at VIN = 12V (C, I-Grade)",
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"kind": "electrical",
"unit": "µA",
"min": null,
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"conditions": "DE = TE = 0V, VCC = 0V or 3.3V, VIN = 12V (Figure 3) (C, I-Grade)",
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"name": "Receiver Input Current (A, B) at VIN = –7V (C, I-Grade)",
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{
"name": "Receiver Input Resistance (C, I-Grade)",
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"typ": 125,
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"conditions": "RE = VCC or 0V, DE = TE = 0V, VIN = –7V, –3V, 3V, 7V, 12V (Figure 3) (C, I-Grade)",
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{
"name": "Receiver Differential Input Threshold Voltage",
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"min": -0.2,
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"max": 0.2,
"conditions": "–7V ≤ B ≤ 12V",
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{
"name": "Receiver Output High Voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 2.4,
"typ": null,
"max": null,
"conditions": "I(RO) = –4mA, A-B = 200mV, VCC = 3V",
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{
"name": "Receiver Output Low Voltage",
"symbol": "VOL",
"kind": "electrical",
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"min": null,
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"conditions": "I(RO) = 4mA, A-B = –200mV, VCC = 3V",
"source_page": 4,
"source": "datasheet"
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{
"name": "Receiver Three-State Output Current on RO",
"symbol": "IOZR",
"kind": "electrical",
"unit": "µA",
"min": -1,
"typ": null,
"max": 1,
"conditions": "RE = VCC, 0V ≤ RO ≤ VCC (LTC2850, LTC2852)",
"source_page": 4,
"source": "datasheet"
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{
"name": "Receiver Short-Circuit Current",
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"conditions": "0V ≤ RO ≤ VCC",
"source_page": 4,
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{
"name": "Logic Input High Voltage",
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"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "VCC = 3.6V",
"source_page": 4,
"source": "datasheet"
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{
"name": "Logic Input Low Voltage",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "VCC = 3V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Logic Input Current",
"symbol": "IINL",
"kind": "electrical",
"unit": "µA",
"min": -10,
"typ": 0,
"max": 10,
"conditions": "",
"source_page": 4,
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{
"name": "Maximum Data Rate",
"symbol": "fMAX",
"kind": "timing",
"unit": "Mbps",
"min": 20,
"typ": null,
"max": null,
"conditions": "Note 3",
"source_page": 5,
"source": "datasheet"
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{
"name": "Driver Input to Output Propagation Delay",
"symbol": "tPLHD, tPHLD",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 10,
"max": 50,
"conditions": "RDIFF = 54Ω, CL = 100pF (Figure 4)",
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{
"name": "Driver Input to Output Propagation Delay Difference",
"symbol": "ΔtPD",
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"min": null,
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"max": 6,
"conditions": "RDIFF = 54Ω, CL = 100pF (Figure 4)",
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},
{
"name": "Driver Output Y to Output Z Skew",
"symbol": "tSKEWD",
"kind": "timing",
"unit": "ns",
"min": -6,
"typ": 1,
"max": 6,
"conditions": "RDIFF = 54Ω, CL = 100pF (Figure 4)",
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{
"name": "Driver Rise or Fall Time",
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"kind": "timing",
"unit": "ns",
"min": null,
"typ": 4,
"max": 12.5,
"conditions": "RDIFF = 54Ω, CL = 100pF (Figure 4)",
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{
"name": "Driver Enable or Disable Time",
"symbol": "tZLD, tZHD, tLZD, tHZD",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 70,
"conditions": "RL = 500Ω, CL = 50pF, RE = 0V (Figure 5) (LTC2850, LTC2852)",
"source_page": 5,
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{
"name": "Driver Enable from Shutdown",
"symbol": "tZHSD, tZLSD",
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{
"name": "Time to Shutdown",
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"typ": null,
"max": 100,
"conditions": "RL = 500Ω, CL = 50pF, (DE = ↓, RE = VCC) or (DE = 0V, RE = ↑) (Figure 5) (LTC2850, LTC2852)",
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{
"name": "Receiver Input to Output Propagation Delay",
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"min": null,
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"conditions": "CL = 15pF, VCM = 1.5V, |VAB| = 1.5V, tR and tF < 4ns (Figure 6)",
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"name": "Supply Current in Shutdown Mode",
"symbol": "ICCS",
"kind": "electrical",
"unit": "µA",
"min": 0,
"typ": null,
"max": 5,
"conditions": "DE = 0V, RE = VCC, LTC2850, LTC2852 (C and I-Grade)",
"source_page": 5,
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{
"name": "Supply Current in Receive Mode",
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"kind": "electrical",
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"conditions": "DE = 0V, RE = 0V (LTC2850, LTC2852)",
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"name": "Supply Current in Transmit Mode",
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"source_page": 5,
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{
"name": "Supply Current with Both Driver and Receiver Enabled",
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"conditions": "No Load, DE = VCC, RE = 0V",
"source_page": 5,
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{
"name": "Thermal Resistance Junction-to-Ambient (MS8)",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 200,
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