component
njm4558
Public Made by Adomby adom
KEXIN Operational Amplifier, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.
← Commit history
njm4558: restore the component block (pinout + model declarations) from this page's own README and write the datasheet pin names into the symbol
3 files changed
+95−20
njm4558.kicad_sym+4−4@@ -114,7 +114,7 @@ (pin output line (at 7.62 0 180) (length 2.54)- (name ""+ (name "A_OUT" (effects (font (size 1.27 1.27)@@ -150,7 +150,7 @@ (pin input line (at -7.62 2.54 0) (length 2.54)- (name "+"+ (name "A_IN+" (effects (font (size 1.27 1.27)@@ -182,7 +182,7 @@ (pin input line (at -7.62 2.54 0) (length 2.54)- (name "+"+ (name "B_IN+" (effects (font (size 1.27 1.27)@@ -218,7 +218,7 @@ (pin output line (at 7.62 0 180) (length 2.54)- (name ""+ (name "B_OUT" (effects (font (size 1.27 1.27)
njm4558.lbr+19−15@@ -87,20 +87,20 @@ <symbols> <symbol name="NJM4558"> <description>Dual Operational Amplifiers, DIP-8/SOIC-8/TSSOP-8/VSSOP-8</description>- <wire x1="-5.0800" y1="5.0800" x2="5.0800" y2="0.0000" width="0.1524" layer="94"/>- <wire x1="5.0800" y1="0.0000" x2="-5.0800" y2="-5.0800" width="0.1524" layer="94"/>- <wire x1="-5.0800" y1="-5.0800" x2="-5.0800" y2="5.0800" width="0.1524" layer="94"/>- <wire x1="-5.0800" y1="5.0800" x2="5.0800" y2="0.0000" width="0.1524" layer="94"/>- <wire x1="5.0800" y1="0.0000" x2="-5.0800" y2="-5.0800" width="0.1524" layer="94"/>- <wire x1="-5.0800" y1="-5.0800" x2="-5.0800" y2="5.0800" width="0.1524" layer="94"/>+ <wire x1="-5.0800" y1="5.0800" x2="5.0800" y2="0.0000" width="0.2540" layer="94"/>+ <wire x1="5.0800" y1="0.0000" x2="-5.0800" y2="-5.0800" width="0.2540" layer="94"/>+ <wire x1="-5.0800" y1="-5.0800" x2="-5.0800" y2="5.0800" width="0.2540" layer="94"/>+ <wire x1="-5.0800" y1="5.0800" x2="5.0800" y2="0.0000" width="0.2540" layer="94"/>+ <wire x1="5.0800" y1="0.0000" x2="-5.0800" y2="-5.0800" width="0.2540" layer="94"/>+ <wire x1="-5.0800" y1="-5.0800" x2="-5.0800" y2="5.0800" width="0.2540" layer="94"/> <text x="0.0000" y="5.0800" size="1.27" layer="95" align="center">>NAME</text> <text x="0.0000" y="-5.0800" size="1.27" layer="96" align="center">>VALUE</text>- <pin name="1" x="7.62" y="0" length="short" direction="out" rot="R180"/>+ <pin name="A_OUT" x="7.62" y="0" length="short" direction="out" rot="R180"/> <pin name="-" x="-7.62" y="-2.54" length="short" direction="in"/>- <pin name="+" x="-7.62" y="2.54" length="short" direction="in"/>- <pin name="+@2" x="-7.62" y="2.54" length="short" direction="in"/>+ <pin name="A_IN+" x="-7.62" y="2.54" length="short" direction="in"/>+ <pin name="B_IN+" x="-7.62" y="2.54" length="short" direction="in"/> <pin name="-@2" x="-7.62" y="-2.54" length="short" direction="in"/>- <pin name="7" x="7.62" y="0" length="short" direction="out" rot="R180"/>+ <pin name="B_OUT" x="7.62" y="0" length="short" direction="out" rot="R180"/> <pin name="V-" x="-2.54" y="-7.62" length="short" direction="pwr" rot="R90"/> <pin name="V+" x="-2.54" y="7.62" length="short" direction="pwr" rot="R270"/> </symbol>@@ -114,16 +114,20 @@ <devices> <device name="" package="SOIC-8_3.9x4.9mm_P1.27mm"> <connects>- <connect gate="G$1" pin="1" pad="1"/>+ <connect gate="G$1" pin="A_OUT" pad="1"/> <connect gate="G$1" pin="-" pad="2"/>- <connect gate="G$1" pin="+" pad="3"/>- <connect gate="G$1" pin="+@2" pad="5"/>+ <connect gate="G$1" pin="A_IN+" pad="3"/>+ <connect gate="G$1" pin="B_IN+" pad="5"/> <connect gate="G$1" pin="-@2" pad="6"/>- <connect gate="G$1" pin="7" pad="7"/>+ <connect gate="G$1" pin="B_OUT" pad="7"/> <connect gate="G$1" pin="V-" pad="4"/> <connect gate="G$1" pin="V+" pad="8"/> </connects>- <technologies><technology name=""/></technologies>+ <technologies>+ <technology name="">+ <attribute name="ADOM_WIKI" value="https://wiki.adom.inc/adom/njm4558" constant="no"/>+ </technology>+ </technologies> </device> </devices> </deviceset>
page.json+72−1@@ -30,5 +30,76 @@ "author": { "name": "Ray", "email": "[email protected]"+ },+ "component": {+ "mpn": "NJM4558",+ "manufacturer": "KEXIN",+ "package": "SOP-8",+ "pin_count": 8,+ "category": "Operational Amplifier",+ "parts": {+ "symbol": "njm4558.kicad_sym",+ "footprint": "njm4558.kicad_mod",+ "model_3d": "njm4558.glb",+ "model_3d_step": "njm4558.step",+ "lbr": "njm4558.lbr"+ },+ "pins": [+ {+ "number": "1",+ "name": "A_OUT",+ "type": "output",+ "description": "Amplifier A output. Class-AB output stage capable of swinging ±14 V typ. into a ≥10 kΩ load (±13 V typ. into ≥2 kΩ) at ±15 V supply."+ },+ {+ "number": "2",+ "name": "A_IN-",+ "type": "input",+ "description": "Amplifier A inverting input. Input bias current 50 nA typ., input offset current 5 nA typ., input resistance 5 MΩ typ."+ },+ {+ "number": "3",+ "name": "A_IN+",+ "type": "input",+ "description": "Amplifier A non-inverting input. Common-mode input range ±12 V typ. at ±15 V supply; differential input voltage rated to ±30 V absolute maximum."+ },+ {+ "number": "4",+ "name": "V-",+ "type": "power_in",+ "description": "Negative supply rail. Rated -18 V absolute maximum relative to V+; shared by both amplifier channels. Typical operating current 3.5 mA at ±15 V."+ },+ {+ "number": "5",+ "name": "B_IN+",+ "type": "input",+ "description": "Amplifier B non-inverting input. Common-mode input range ±12 V typ. at ±15 V supply."+ },+ {+ "number": "6",+ "name": "B_IN-",+ "type": "input",+ "description": "Amplifier B inverting input. Input bias current 50 nA typ., input offset current 5 nA typ., input resistance 5 MΩ typ."+ },+ {+ "number": "7",+ "name": "B_OUT",+ "type": "output",+ "description": "Amplifier B output. Class-AB output stage capable of swinging ±14 V typ. into a ≥10 kΩ load (±13 V typ. into ≥2 kΩ) at ±15 V supply."+ },+ {+ "number": "8",+ "name": "V+",+ "type": "power_in",+ "description": "Positive supply rail. Rated +18 V absolute maximum relative to V-; shared by both amplifier channels. Typical operating current 3.5 mA at ±15 V."+ }+ ],+ "provenance": {+ "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ } }-}+}