Difference between revisions of "UNI-OPAMP-08"

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[[File:tindie-mediums.png|link=https://www.tindie.com/products/land_boards/beaglebone-sensor-connection-cape-bbb-gvs-3/]]
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[[File:tindie-mediums.png|link=https://www.tindie.com/products/land_boards/universal-op-amp-card-uni-opamp-08/]]
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== Eight Channel Universal Op Amp ==
  
 
[[File:UNI-OPAMP-08_6122-512pxV.jpg]]
 
[[File:UNI-OPAMP-08_6122-512pxV.jpg]]
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* 8 Channels
 
* 8 Channels
 
* 2 Quad OpAmps
 
* 2 Quad OpAmps
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** LM324 parts (typical) in SOIC-14 package
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** [https://www.onsemi.com/pub/Collateral/LM324-D.PDF LM324] parts (typical) in SOIC-14 package
−
** Also supports lower voltage op amps such as MCP6004
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*** 3V to 32V
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** Also supports lower voltage op amps such as [https://www.microchip.com/wwwproducts/en/MCP6004 MCP6004]
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*** 1.8V to 6V
 
** SMT parts
 
** SMT parts
 
* Individual 4-pin headers per channel
 
* Individual 4-pin headers per channel
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* 49X49mm form factor
 
* 49X49mm form factor
 
* (4) 4-40 mounting holes
 
* (4) 4-40 mounting holes
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 +
== Connectors ==
 +
 +
[[File:UNI-OPAMP-08_Conn.PNG]]
  
 
== Configurations ==
 
== Configurations ==
 +
 +
* The reference designs (below) are for the first channel.
 +
 +
[[File:OpAMP-sch - 787px.PNG]]
 +
 +
* The resistor mapping from the first channel on the schematic to the other channels are as follows.
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 +
=== Resistors ===
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 +
{| class="wikitable"
 +
!OpAmp
 +
!Ax-/Ix-
 +
!Ax+/Ix+
 +
!Ax-/Qx
 +
!Ax-/Gnd
 +
!Ax+/Gnd
 +
|-
 +
|U1A
 +
|R1
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|R2
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|R3
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|R4
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|R5
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|-
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|U1B
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|R6
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|R7
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|R8
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|R10
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|R9
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|-
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|U1C
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|R11
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|R12
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|R13
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|R14
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|R15
 +
|-
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|U1D
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|R16
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|R17
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|R18
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|R20
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|R19
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|-
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|U2A
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|R23
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|R24
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|R25
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|R21
 +
|R22
 +
|-
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|U2B
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|R28
 +
|R29
 +
|R30
 +
|R27
 +
|R26
 +
|-
 +
|U2C
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|R33
 +
|R34
 +
|R35
 +
|R31
 +
|R32
 +
|-
 +
|U2D
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|R38
 +
|R39
 +
|R40
 +
|R37
 +
|R36
 +
|-
 +
|}
 +
 +
== Reference Designs ==
  
 
* Reference drawings are from [https://www.ti.com/lit/an/snla140c/snla140c.pdf Ap Note 31]
 
* Reference drawings are from [https://www.ti.com/lit/an/snla140c/snla140c.pdf Ap Note 31]
 
* Reference designators are for channel 1
 
* Reference designators are for channel 1
−
** See [http://land-boards.com/UNI-OPAMP-08/UNI-OPAMP-08_Schematic.pdf schematic] for other channels
+
** See resistor values table (above) [http://land-boards.com/UNI-OPAMP-08/UNI-OPAMP-08_Schematic.pdf schematic] for other channels
  
 
=== Differential Amplifier ===
 
=== Differential Amplifier ===
 +
 +
==== Differential Amplifier - Reference Design ====
  
 
[[File:Ap31-OpAmp-DiffAmp.PNG]]
 
[[File:Ap31-OpAmp-DiffAmp.PNG]]
  
−
=== Differential Amplifier Stuffing Options ===
+
==== Differential Amplifier Stuffing Options ====
  
 
[[File:OpAMP-DiffAmp.PNG]]
 
[[File:OpAMP-DiffAmp.PNG]]
  
 
=== Current to Voltage Converter ===
 
=== Current to Voltage Converter ===
 +
 +
==== Current to Voltage Converter - Reference Design  ====
  
 
[[File:Ap31-OpAmp-Curr2Volts.PNG]]
 
[[File:Ap31-OpAmp-Curr2Volts.PNG]]
  
−
=== Voltage to Current Stuffing Options ===
+
==== Voltage to Current Stuffing Options ====
  
 
[[File:OpAMP-sch - Curr2Volts.PNG]]
 
[[File:OpAMP-sch - Curr2Volts.PNG]]
  
−
=== Inverting Amplifier ===
+
=== Inverting Amplifier ===
 +
 
 +
==== Inverting Amplifier - Reference Design ====
  
 
[[File:Ap31-OpAmp-InvAmp.PNG]]
 
[[File:Ap31-OpAmp-InvAmp.PNG]]
  
−
=== Inverting Amplifier Stuffing Options ===
+
==== Inverting Amplifier Stuffing Options ====
  
 
[[File:OpAMP-sch - InvAmp.PNG]]
 
[[File:OpAMP-sch - InvAmp.PNG]]
  
 
=== Non-inverting Amplifier ===
 
=== Non-inverting Amplifier ===
 +
 +
==== Non-inverting Amplifier - Reference Design  ====
  
 
[[File:Ap31-OpAmp-NonInvAmp.PNG]]
 
[[File:Ap31-OpAmp-NonInvAmp.PNG]]
  
−
=== Non-inverting Stuffing Options ===
+
==== Non-inverting Stuffing Options ====
  
 
[[File:OpAMP-sch - NonInvAmp.PNG]]
 
[[File:OpAMP-sch - NonInvAmp.PNG]]

Latest revision as of 19:22, 5 January 2020

Tindie-mediums.png

Eight Channel Universal Op Amp

UNI-OPAMP-08 6122-512pxV.jpg

Features

  • Universal OpAmp Board
    • Configurable for typical OpAmp circuits
  • 8 Channels
  • 2 Quad OpAmps
    • LM324 parts (typical) in SOIC-14 package
      • 3V to 32V
    • Also supports lower voltage op amps such as MCP6004
      • 1.8V to 6V
    • SMT parts
  • Individual 4-pin headers per channel
  • Terminal block for power
  • Bypass capacitors
  • 49X49mm form factor
  • (4) 4-40 mounting holes

Connectors

UNI-OPAMP-08 Conn.PNG

Configurations

  • The reference designs (below) are for the first channel.

OpAMP-sch - 787px.PNG

  • The resistor mapping from the first channel on the schematic to the other channels are as follows.

Resistors

OpAmp Ax-/Ix- Ax+/Ix+ Ax-/Qx Ax-/Gnd Ax+/Gnd
U1A R1 R2 R3 R4 R5
U1B R6 R7 R8 R10 R9
U1C R11 R12 R13 R14 R15
U1D R16 R17 R18 R20 R19
U2A R23 R24 R25 R21 R22
U2B R28 R29 R30 R27 R26
U2C R33 R34 R35 R31 R32
U2D R38 R39 R40 R37 R36

Reference Designs

  • Reference drawings are from Ap Note 31
  • Reference designators are for channel 1
    • See resistor values table (above) schematic for other channels

Differential Amplifier

Differential Amplifier - Reference Design

Ap31-OpAmp-DiffAmp.PNG

Differential Amplifier Stuffing Options

OpAMP-DiffAmp.PNG

Current to Voltage Converter

Current to Voltage Converter - Reference Design

Ap31-OpAmp-Curr2Volts.PNG

Voltage to Current Stuffing Options

OpAMP-sch - Curr2Volts.PNG

Inverting Amplifier

Inverting Amplifier - Reference Design

Ap31-OpAmp-InvAmp.PNG

Inverting Amplifier Stuffing Options

OpAMP-sch - InvAmp.PNG

Non-inverting Amplifier

Non-inverting Amplifier - Reference Design

Ap31-OpAmp-NonInvAmp.PNG

Non-inverting Stuffing Options

OpAMP-sch - NonInvAmp.PNG

Schematic

Single Channel Schematic

OpAMP-sch- Ch1 X2.PNG

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