component
MAX3221
Public Made by Adomby adom
ADI (Maxim) 1-driver 1-receiver RS-232 transceiver, SSOP-16. 3-5.5 V, charge-pump, auto-shutdown. Datasheet-verified.
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max3221: datasheet-first component page (KiCad sym+mod+step+lbr, hero, viewers)
1 file changed
+170−8
page.json+170−8@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "max3221",+ "title": "MAX3221",+ "brief": "ADI (Maxim) 1-driver 1-receiver RS-232 transceiver, SSOP-16. 3-5.5 V, charge-pump, auto-shutdown. Datasheet-verified.", "version": "0.1.0",- "type": "component",- "description": "ADI (Maxim) 1-driver 1-receiver RS-232 transceiver, SSOP-16. 3-5.5 V, charge-pump, auto-shutdown. Datasheet-verified.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "interface",@@ -12,6 +15,170 @@ "ssop-16", "analog-devices" ],+ "component": {+ "mpn": "MAX3221",+ "manufacturer": "Analog Devices",+ "package": "SSOP-16",+ "pin_count": 16,+ "category": "Interface",+ "subcategory": "RS-232 transceiver",+ "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/MAX3221-MAX3243.pdf",+ "parts": {+ "symbol": "max3221.kicad_sym",+ "footprint": "max3221.kicad_mod",+ "model_3d": "max3221.glb",+ "model_3d_step": "max3221.step",+ "lbr": "max3221.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "EN",+ "type": "input",+ "description": "Active-low receiver enable. Drive low for normal receiver operation; drive high to force R_OUT into high-Z. Logic threshold VIL=0.8V max, VIH=2.0V (3.3V) / 2.4V (5.0V)."+ },+ {+ "number": "2",+ "name": "C1+",+ "type": "passive",+ "description": "Positive terminal of the voltage-doubler charge-pump flying capacitor (C1). Typ 0.1\u00b5F at 3.3V, 0.047\u00b5F at 5.0V (Note 2)."+ },+ {+ "number": "3",+ "name": "V+",+ "type": "power_out",+ "description": "+5.5V output generated by the doubling charge pump. Bypass to GND with the reservoir capacitor C3 (0.1\u00b5F typ at 3.3V, 0.33\u00b5F at 5.0V)."+ },+ {+ "number": "4",+ "name": "C1-",+ "type": "passive",+ "description": "Negative terminal of the voltage-doubler charge-pump flying capacitor (C1)."+ },+ {+ "number": "5",+ "name": "C2+",+ "type": "passive",+ "description": "Positive terminal of the inverting charge-pump flying capacitor (C2). Typ 0.1\u00b5F at 3.3V, 0.33\u00b5F at 5.0V."+ },+ {+ "number": "6",+ "name": "C2-",+ "type": "passive",+ "description": "Negative terminal of the inverting charge-pump flying capacitor (C2)."+ },+ {+ "number": "7",+ "name": "V-",+ "type": "power_out",+ "description": "-5.5V output generated by the inverting charge pump. Bypass to GND with reservoir capacitor C4."+ },+ {+ "number": "8",+ "name": "R_IN",+ "type": "input",+ "description": "RS-232 receiver input. Accepts \u00b125V EIA/TIA-232 levels; typical input resistance 5k\u03a9 (3-7k\u03a9). VIL \u2248 0.6-1.2V, VIH \u2248 1.5-2.4V, 0.3V typical hysteresis."+ },+ {+ "number": "9",+ "name": "R_OUT",+ "type": "tri_state",+ "description": "TTL/CMOS receiver output (inverted from R_IN). Three-state: high-Z in shutdown, when EN is high, or when the part is in AutoShutdown. VOL \u2264 0.4V at 1.6mA; VOH \u2265 VCC-0.6V at -1.0mA."+ },+ {+ "number": "10",+ "name": "INVALID",+ "type": "output",+ "description": "Active-low valid-signal detector output. Low (asserted) while all receiver inputs are between -0.3V and +0.3V for \u226530\u00b5s (invalid RS-232 present); high when a valid RS-232 level (>+2.7V or <-2.7V) appears. Useful for DTR/RI monitoring."+ },+ {+ "number": "11",+ "name": "T_OUT",+ "type": "output",+ "description": "RS-232 transmitter output. Inverting driver to EIA/TIA-232 levels, \u00b15.0V typ swing into 3k\u03a9\u20161000pF, short-circuit current \u00b135mA typ. High-Z in shutdown."+ },+ {+ "number": "12",+ "name": "FORCEON",+ "type": "input",+ "description": "Active-high override that keeps the transmitter and charge pumps on regardless of receiver-input activity (FORCEOFF must be high). See AutoShutdown truth table."+ },+ {+ "number": "13",+ "name": "T_IN",+ "type": "input",+ "description": "TTL/CMOS transmitter input. Drives the inverting RS-232 transmitter. VIL \u2264 0.8V, VIH \u2265 2.0V (3.3V) / 2.4V (5.0V)."+ },+ {+ "number": "14",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground reference for logic and charge-pump return."+ },+ {+ "number": "15",+ "name": "VCC",+ "type": "power_in",+ "description": "+3.0V to +5.5V supply input. Bypass with 0.1\u00b5F to GND. Absolute max -0.3V to +6V."+ },+ {+ "number": "16",+ "name": "FORCEOFF",+ "type": "input",+ "description": "Active-low master shutdown. Drive low to disable transmitters and on-board power supply (overrides FORCEON and all AutoShutdown circuitry). Tie high for normal operation; can be tied to FORCEON as a single SHDN-style input."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/MAX3221-MAX3243.pdf",+ "pages": 16,+ "sha256": "4b10ea08c7155060",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Type": "RS-232 transceiver (1 driver, 1 receiver)",+ "Supply": "3-5.5 V",+ "Line levels": "RS-232 via on-chip charge pump",+ "Power control": "Auto-shutdown, FORCEON / FORCEOFF",+ "Status": "INVALID (valid-signal detect)",+ "Data rate": "Up to 250 kbps",+ "Package": "SSOP-16"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "max3221",+ "rs-232 transceiver",+ "3.3v rs232",+ "single channel rs232"+ ],+ "discovery_pitch": "ADI MAX3221 1-driver 1-receiver RS-232 transceiver (SSOP-16) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -29,10 +196,5 @@ "docs/max3221-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }