COS128UA

@@ -8,14 +8,14 @@ COS128UA from COSINE, in a SOP-8. Pinout and pin descriptions extracted from the  | Pin | Name | Type | Function | |---|---|---|---|-| 1 | RG | passive | Gain-setting pin. Connect an external gain resistor R_G between pins 1 and 8 to set voltage gain per G = 1 + 50kΩ/R_G. Leave open (NC) for unity gain. |-| 2 | VIN- | input | Inverting (negative) analog signal input to the instrumentation amplifier. Diode-clamped to the supply rails; input signals swinging >0.5V beyond the rails must be current-limited to ≤10mA. |-| 3 | VIN+ | input | Non-inverting (positive) analog signal input to the instrumentation amplifier. Diode-clamped to the supply rails; input signals swinging >0.5V beyond the rails must be current-limited to ≤10mA. |-| 4 | -Vs | power_in | Negative supply rail. Accepts −2.25V to −18V (dual supply) or ground (single-supply mode with up to +36V on +Vs). Bypass to ground with a 0.1µF ceramic capacitor close to the pin. |-| 5 | REF | input | Output reference pin. Must be driven from a low-impedance source or tied to ground; sets the DC level about which V_OUT swings. Series resistance as small as 8Ω can degrade CMR to ~80dB. |-| 6 | VOUT | output | Amplifier output. Swings from (−Vs + 1.1V) to (+Vs − 1.1V), delivers ±10mA typical with V_DROPOUT < 1.2V; short-circuit current ±24mA typical. |-| 7 | +Vs | power_in | Positive supply rail. Accepts +2.25V to +18V (dual supply) or +4.5V to +36V (single supply). Bypass to ground with a 0.1µF ceramic capacitor close to the pin. |-| 8 | RG | passive | Gain-setting pin. Connect an external gain resistor R_G between pins 1 and 8 to set voltage gain per G = 1 + 50kΩ/R_G. Leave open (NC) for unity gain. |+| 1 | RG | passive | Gain setting pin. Connect an external gain resistor RG between pin 1 and pin 8 to set voltage gain G = 1 + 50kΩ/RG (COS128). Leave open (NC) for unity gain. |+| 2 | VIN- | input | Inverting (negative) analog input to the instrumentation amplifier. Diode-clamped to the supply rails; input signals exceeding rails by >0.5V should be current-limited to ≤10mA. Bias current ±2nA typ. |+| 3 | VIN+ | input | Non-inverting (positive) analog input to the instrumentation amplifier. Diode-clamped to supply rails; input signals exceeding rails by >0.5V should be current-limited to ≤10mA. Bias current ±2nA typ. |+| 4 | -VS | power_in | Negative power supply pin. Operating range ±2.25V to ±18V (dual supply) or ground for single-supply operation. Bypass to ground with a 0.1µF ceramic capacitor close to the pin. |+| 5 | REF | input | Reference input pin. Sets the DC offset of the output; must be driven by a low-impedance source or tied to ground. Series resistance as small as 8Ω degrades CMR to ~80dB. |+| 6 | VOUT | output | Amplifier output. Swings to within 1.1V of each supply rail with ±10mA typical load current; short-circuit current ±24mA. Output = G × (VIN+ − VIN−) + VREF. |+| 7 | +VS | power_in | Positive power supply pin. Operating range ±2.25V to ±18V dual, or +4.5V to +36V single supply. Bypass with a 0.1µF ceramic capacitor close to the pin; 2.2µF tantalum optional for better performance. Quiescent current 1.0mA typ. |+| 8 | RG | passive | Gain setting pin. Connect an external gain resistor RG between pin 1 and pin 8 to set voltage gain G = 1 + 50kΩ/RG (COS128). Leave open (NC) for unity gain. |  ## Key specifications @@ -28,16 +28,11 @@ COS128UA from COSINE, in a SOP-8. Pinout and pin descriptions extracted from the  ## Ordering variants -- `COS128UACOS128U`-- `COS128UA`-- `COS128UACOS128C`-- `COS128UACOS129U`-- `COS128UACOS129UA`-- `COS128UACOS129C`-- `COS128UACOS128P`-- `COS128UACOS128PA`-- `COS128UACOS129P`-- `COS128UACOS129PA`+- `COS128UAU`+- `COS128UAUA`+- `COS128UAC`+- `COS128UAP`+- `COS128UAPA`  ## CAD (KiCad official) 

@@ -21,7 +21,7 @@       (number "3" (effects (font (size 1.27 1.27))))     )     (pin power_in line (at -17.78 -5.08 0) (length 5.08)-      (name "-Vs" (effects (font (size 1.27 1.27))))+      (name "-VS" (effects (font (size 1.27 1.27))))       (number "4" (effects (font (size 1.27 1.27))))     )     (pin passive line (at 17.78 2.54 180) (length 5.08)@@ -29,7 +29,7 @@       (number "8" (effects (font (size 1.27 1.27))))     )     (pin power_in line (at 17.78 0.00 180) (length 5.08)-      (name "+Vs" (effects (font (size 1.27 1.27))))+      (name "+VS" (effects (font (size 1.27 1.27))))       (number "7" (effects (font (size 1.27 1.27))))     )     (pin output line (at 17.78 -2.54 180) (length 5.08)

@@ -50,7 +50,7 @@ <layer number="98" name="Guide" color="6" fill="1" visible="yes" active="yes"/> </layers> <library>-<description></description>+<description>COSINE Instrumentation OpAmps, SOP-8</description> <packages> <package name="SOIC-8_3.9x4.9mm_P1.27mm">   <description>SOIC-8, 3.9 x 4.9 mm, 1.27 mm pitch</description>@@ -86,6 +86,7 @@ </packages> <symbols> <symbol name="COS128UA">+  <description>COSINE Instrumentation OpAmps, SOP-8</description>   <wire x1="-12.7" y1="5.08" x2="12.7" y2="5.08" width="0.254" layer="94"/>   <wire x1="12.7" y1="5.08" x2="12.7" y2="-7.62" width="0.254" layer="94"/>   <wire x1="12.7" y1="-7.62" x2="-12.7" y2="-7.62" width="0.254" layer="94"/>@@ -95,16 +96,16 @@   <pin name="RG" x="-17.78" y="2.54" length="middle" direction="pas"/>   <pin name="VIN-" x="-17.78" y="0" length="middle" direction="in"/>   <pin name="VIN+" x="-17.78" y="-2.54" length="middle" direction="in"/>-  <pin name="-Vs" x="-17.78" y="-5.08" length="middle" direction="pwr"/>+  <pin name="-VS" x="-17.78" y="-5.08" length="middle" direction="pwr"/>   <pin name="RG@2" x="17.78" y="2.54" length="middle" direction="pas" rot="R180"/>-  <pin name="+Vs" x="17.78" y="0" length="middle" direction="pwr" rot="R180"/>+  <pin name="+VS" x="17.78" y="0" length="middle" direction="pwr" rot="R180"/>   <pin name="VOUT" x="17.78" y="-2.54" length="middle" direction="out" rot="R180"/>   <pin name="REF" x="17.78" y="-5.08" length="middle" direction="in" rot="R180"/> </symbol> </symbols> <devicesets> <deviceset name="COS128UA" prefix="U">-  <description></description>+  <description>COSINE Instrumentation OpAmps, SOP-8</description>   <gates>     <gate name="G$1" symbol="COS128UA" x="0" y="0"/>   </gates>@@ -114,13 +115,18 @@         <connect gate="G$1" pin="RG" pad="1"/>         <connect gate="G$1" pin="VIN-" pad="2"/>         <connect gate="G$1" pin="VIN+" pad="3"/>-        <connect gate="G$1" pin="-Vs" pad="4"/>+        <connect gate="G$1" pin="-VS" pad="4"/>         <connect gate="G$1" pin="RG@2" pad="8"/>-        <connect gate="G$1" pin="+Vs" pad="7"/>+        <connect gate="G$1" pin="+VS" pad="7"/>         <connect gate="G$1" pin="VOUT" pad="6"/>         <connect gate="G$1" pin="REF" pad="5"/>       </connects>-      <technologies><technology name=""/></technologies>+      <technologies>+        <technology name="">+          <attribute name="MPN" value="COS128UA" constant="no"/>+          <attribute name="MANUFACTURER" value="COSINE" constant="no"/>+        </technology>+      </technologies>     </device>   </devices> </deviceset>

@@ -32,49 +32,49 @@         "number": "1",         "name": "RG",         "type": "passive",-        "description": "Gain-setting pin. Connect an external gain resistor R_G between pins 1 and 8 to set voltage gain per G = 1 + 50kΩ/R_G. Leave open (NC) for unity gain."+        "description": "Gain setting pin. Connect an external gain resistor RG between pin 1 and pin 8 to set voltage gain G = 1 + 50k\u03a9/RG (COS128). Leave open (NC) for unity gain."       },       {         "number": "2",         "name": "VIN-",         "type": "input",-        "description": "Inverting (negative) analog signal input to the instrumentation amplifier. Diode-clamped to the supply rails; input signals swinging >0.5V beyond the rails must be current-limited to ≤10mA."+        "description": "Inverting (negative) analog input to the instrumentation amplifier. Diode-clamped to the supply rails; input signals exceeding rails by >0.5V should be current-limited to \u226410mA. Bias current \u00b12nA typ."       },       {         "number": "3",         "name": "VIN+",         "type": "input",-        "description": "Non-inverting (positive) analog signal input to the instrumentation amplifier. Diode-clamped to the supply rails; input signals swinging >0.5V beyond the rails must be current-limited to ≤10mA."+        "description": "Non-inverting (positive) analog input to the instrumentation amplifier. Diode-clamped to supply rails; input signals exceeding rails by >0.5V should be current-limited to \u226410mA. Bias current \u00b12nA typ."       },       {         "number": "4",-        "name": "-Vs",+        "name": "-VS",         "type": "power_in",-        "description": "Negative supply rail. Accepts −2.25V to −18V (dual supply) or ground (single-supply mode with up to +36V on +Vs). Bypass to ground with a 0.1µF ceramic capacitor close to the pin."+        "description": "Negative power supply pin. Operating range \u00b12.25V to \u00b118V (dual supply) or ground for single-supply operation. Bypass to ground with a 0.1\u00b5F ceramic capacitor close to the pin."       },       {         "number": "5",         "name": "REF",         "type": "input",-        "description": "Output reference pin. Must be driven from a low-impedance source or tied to ground; sets the DC level about which V_OUT swings. Series resistance as small as 8Ω can degrade CMR to ~80dB."+        "description": "Reference input pin. Sets the DC offset of the output; must be driven by a low-impedance source or tied to ground. Series resistance as small as 8\u03a9 degrades CMR to ~80dB."       },       {         "number": "6",         "name": "VOUT",         "type": "output",-        "description": "Amplifier output. Swings from (−Vs + 1.1V) to (+Vs − 1.1V), delivers ±10mA typical with V_DROPOUT < 1.2V; short-circuit current ±24mA typical."+        "description": "Amplifier output. Swings to within 1.1V of each supply rail with \u00b110mA typical load current; short-circuit current \u00b124mA. Output = G \u00d7 (VIN+ \u2212 VIN\u2212) + VREF."       },       {         "number": "7",-        "name": "+Vs",+        "name": "+VS",         "type": "power_in",-        "description": "Positive supply rail. Accepts +2.25V to +18V (dual supply) or +4.5V to +36V (single supply). Bypass to ground with a 0.1µF ceramic capacitor close to the pin."+        "description": "Positive power supply pin. Operating range \u00b12.25V to \u00b118V dual, or +4.5V to +36V single supply. Bypass with a 0.1\u00b5F ceramic capacitor close to the pin; 2.2\u00b5F tantalum optional for better performance. Quiescent current 1.0mA typ."       },       {         "number": "8",         "name": "RG",         "type": "passive",-        "description": "Gain-setting pin. Connect an external gain resistor R_G between pins 1 and 8 to set voltage gain per G = 1 + 50kΩ/R_G. Leave open (NC) for unity gain."+        "description": "Gain setting pin. Connect an external gain resistor RG between pin 1 and pin 8 to set voltage gain G = 1 + 50k\u03a9/RG (COS128). Leave open (NC) for unity gain."       }     ],     "provenance": {@@ -138,8 +138,5 @@     "docs/cos128ua-datasheet.pdf",     "viewers/symbol.html",     "viewers/footprint.html"-  ],-  "visibility": {-    "public": true-  }+  ] }\ No newline at end of file