BenR: /* Examples */

2026-02-25T11:12:29Z

Examples

BenR: /* Examples */

2026-02-25T11:10:42Z

Examples

BenR: /* Examples */

2026-02-25T11:03:54Z

Examples

Wiki bot at 11:01, 25 February 2026

2026-02-25T11:01:42Z

Wiki bot: Created page with "{| style="width:50%" |- | width="20%" style="color:gray;" | Author | Matrix TSL |- | width="20%" style="color:gray;" | Version | 1.0 |- | width="20%" style="color:gray..."

2026-02-25T11:01:41Z

Created page with "{| style="width:50%" |- | width="20%" style="color:gray;" | Author | Matrix TSL |- | width="20%" style="color:gray;" | Version | 1.0 |- | width="20%" style="color:gray..."

New page

{| style="width:50%"
|-
| width="20%" style="color:gray;" | Author
| Matrix TSL
|-
| width="20%" style="color:gray;" | Version
| 1.0
|-
| width="20%" style="color:gray;" | Category
| Analog Input
|}

==ADC 24bit ADS1220 component==
A Precision Low power 24Bit SPI ADC 4 channel device with Programmable Gain Amplifier (PGA) and Data Rates up to 2 kSPS

==Detailed description==

''No detailed description exists yet for this component''

==Examples==

''<span style="color:red;">No additional examples</span>''

==Macro reference==

===Initialise===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
|-
| colspan="2" | Initialize the ADS1220 ADC with default settings 
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===ReadRTDResistance===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadRTDResistance'''
|-
| colspan="2" | Reads the RTD sensor and returns resistance in ohms 
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-f32-icon.png]] - FLOAT
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===ReadRTDTemperature===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadRTDTemperature'''
|-
| colspan="2" | Reads the RTD sensor and returns temperature in degrees Celsius using linear approximation - matches GitHub library get_temperature_from_rtd_ohms_with_linear_approx 
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-f32-icon.png]] - FLOAT
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===SampleDiffRAW===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SampleDiffRAW'''
|-
| colspan="2" | Performs a differential ADC sample between two channels and returns 24-bit raw value. Not all channel combinations are possible, see datasheet p40 section MUX. Returns 0 if the channel selection is invalid. 
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | ChannelA
|-
| colspan="2" | Positive channel: 0-3 (AN0-AN3) 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | ChannelB
|-
| colspan="2" | Negative channel: 0-3 (AN0-AN3) 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Gain
|-
| colspan="2" | PGA Gain: 0=1x, 1=2x, 2=4x, 3=8x, 4=16x, 5=32x, 6=64x, 7=128x 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-s32-icon.png]] - LONG
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===SampleDiffVolts===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SampleDiffVolts'''
|-
| colspan="2" | Performs a differential ADC sample and returns voltage in volts 
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | ChannelA
|-
| colspan="2" | Positive channel: 0-3 (AN0-AN3) 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | ChannelB
|-
| colspan="2" | Negative channel: 0-3 (AN0-AN3) 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Gain
|-
| colspan="2" | PGA Gain: 0=1x, 1=2x, 2=4x, 3=8x, 4=16x, 5=32x, 6=64x, 7=128x 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-f32-icon.png]] - FLOAT
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===SampleSglRaw===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SampleSglRaw'''
|-
| colspan="2" | Performs a single-ended ADC sample on the selected channel and returns 24-bit raw value 
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Channel
|-
| colspan="2" | Range: 0-3 (AN0-AN3) 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Gain
|-
| colspan="2" | PGA Gain: 0=1x, 1=2x, 2=4x, 3=8x, 4=16x, 5=32x, 6=64x, 7=128x 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-s32-icon.png]] - LONG
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===SampleSglVolts===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SampleSglVolts'''
|-
| colspan="2" | Performs a single-ended ADC sample and returns voltage in volts 
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Channel
|-
| colspan="2" | Range: 0-3 (AN0-AN3) 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Gain
|-
| colspan="2" | PGA Gain: 0=1x, 1=2x, 2=4x, 3=8x, 4=16x, 5=32x, 6=64x, 7=128x 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-f32-icon.png]] - FLOAT
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

==Property reference==

{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''
|-
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Connections
|-
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Channel
|-
| colspan="2" | SPI Channel selector 
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Prescale
|-
| colspan="2" | Prescale option selector 
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | MOSI
|-
| colspan="2" | SPI Data Out Pin SDO - Also Known as Master Out Slave In (MOSI) when used in Master mode. 
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | MOSI Remap Pin
|-
| colspan="2" | Select which the target pin to assign the MOSI hardware pin functionality. 
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | MISO
|-
| colspan="2" | SPI Data In Pin SDI - Also Known as Master In Slave Out (MISO) when used in Master mode. 
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | MISO Remap Pin
|-
| colspan="2" | Select which the target pin to assign the MISO hardware pin functionality. 
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | CLK
|-
| colspan="2" | SPI Clock Pin CLK - The Clock signal is driven by the SPI master. 
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | CLK Remap Pin
|-
| colspan="2" | Select which the target pin to assign the CLK hardware pin functionality. 
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | CS / SS
|-
| colspan="2" | Chip Select / Slave Select Pin Master Mode: General purpose output pin used to select the remote SPI device. Slave Mode: Hardware chip select pin input used to select the SPI device.  
|-
| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
| width="90%" | Use Ready Pin
|-
| colspan="2" | Use DRDY pin to detect when conversion is complete. If disabled, polling will be used. 
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | DRDY Pin
|-
| colspan="2" | Data Ready pin - goes low when conversion is complete 
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Configuration
|-
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Data Rate
|-
| colspan="2" | Programmable Data Rate (SPS) 
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Operating Mode
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Conversion Mode
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | PGA Gain
|-
| colspan="2" | Programmable Gain Amplifier (PGA) gain setting 
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Voltage Reference
|-
| colspan="2" | Voltage reference source 
|-
| width="10%" align="center" | [[File:Fc9-type-15-icon.png]]
| width="90%" | Reference Voltage
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | FIR Filter
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | IDAC Current (uA)
|-
| colspan="2" | IDAC excitation current in microamperes. Typical values: 100, 250, 500, 750, 1000. Default: 250uA 
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | I1MUX
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | I2MUX
|-
| colspan="2" |  
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | RTD Configuration
|-
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | RTD Type
|-
| colspan="2" | RTD sensor type - determines base resistance at 0°C 
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | RTD Configuration
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-type-14-icon.png]]
| width="90%" | Reference Resistor
|-
| colspan="2" | High precision reference resistor value in ohms. Typically 400Ω for PT100 or 4000Ω for PT1000 
|-
| width="10%" align="center" | [[File:Fc9-type-15-icon.png]]
| width="90%" | Temperature Coefficient
|-
| colspan="2" |  
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation
|-
|-
| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
| width="90%" | Simulate Comms
|-
| colspan="2" | Allows the communications to be simulated overriding the value on the panel slider controls. 
|}

==Component Source Code==

Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_External_ADC24Bit_ADS1220.fcfx FC_Comp_Source_External_ADC24Bit_ADS1220.fcfx]

Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_External_ADC24Bit_ADS1220.fcfx FC_Comp_Source_External_ADC24Bit_ADS1220.fcfx]

@@ Line 28: / Line 28: @@
 Example circuit schematic complete with component values. RREF should be a high accuracy resistor with a low PPM.
-[[File:ADS1220_RTD3.png|center]]
+[[File:ADS1220_RTD3.png|680px]]
 ==Macro reference==

← Older revision		Revision as of 11:10, 25 February 2026
Line 22:		Line 22:

	Example use case of a 3-wire RTD to read high resolution and high accuracy temperature.		Example use case of a 3-wire RTD to read high resolution and high accuracy temperature.
		+
		+	{{Fcfile\|ADS1220_Test.fcfx\|ADS1220_Test}}
		+
		+
		+	Example circuit schematic complete with component values. RREF should be a high accuracy resistor with a low PPM.
		+
		+	[[File:ADS1220_RTD3.png\|center]]

	==Macro reference==		==Macro reference==

@@ Line 21: / Line 21: @@
 ==Examples==
-''<span style="color:red;">No additional examples</span>''
+Example use case of a 3-wire RTD to read high resolution and high accuracy temperature.
 ==Macro reference==

@@ Line 330: / Line 330: @@
 ==Component Source Code==
-Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_External_ADC24Bit_ADS1220.fcfx FC_Comp_Source_External_ADC24Bit_ADS1220.fcfx]
+Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_External_ADC24Bit_ADS1220_1.fcfx FC_Comp_Source_External_ADC24Bit_ADS1220_1.fcfx]
-Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_External_ADC24Bit_ADS1220.fcfx FC_Comp_Source_External_ADC24Bit_ADS1220.fcfx]
+Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_External_ADC24Bit_ADS1220_1.fcfx FC_Comp_Source_External_ADC24Bit_ADS1220_1.fcfx]

Component: ADC 24bit ADS1220 (Analog Input) - Revision history

BenR: /* Examples */

BenR: /* Examples */

BenR: /* Examples */

Wiki bot at 11:01, 25 February 2026

Wiki bot: Created page with "{| style="width:50%" |- | width="20%" style="color:gray;" | Author | Matrix TSL |- | width="20%" style="color:gray;" | Version | 1.0 |- | width="20%" style="color:gray..."