Details

---

BUY ADS1230IPWRG4 https://www.utsource.net/itm/p/12541682.html

Parameter	Description	Min	Typ	Max	Unit
Supply Voltage (VDD)	Operating supply voltage range	2.7	-	5.5	V
Input Voltage Range	Differential input voltage range	-0.3	-	VDD + 0.3	V
Output Data Rate	Configurable output data rate	20	-	2400	SPS (Samples per Second)
Resolution	Effective resolution	-	20	-	bits
Integral Nonlinearity (INL)	Maximum integral nonlinearity error	-	±1	-	LSB
Differential Nonlinearity (DNL)	Maximum differential nonlinearity error	-	±1	-	LSB
Offset Error	Initial offset error	-	±10	-	μV
Gain Error	Initial gain error	-	±0.05	-	% FS
Gain Drift	Temperature coefficient of gain error	-	±5	-	ppm/°C
Common-Mode Rejection Ratio (CMRR)	Rejection of common-mode signals	80	-	100	dB
Power Consumption	Active mode power consumption	-	1.2	-	mA
Shutdown Current	Current consumption in shutdown mode	-	0.5	-	μA
Operating Temperature Range	Temperature range for operation	-40	-	85	°C
Storage Temperature Range	Temperature range for storage	-65	-	150	°C

Instructions for Use

1. Power Supply:

   • Connect the VDD pin to a stable power supply within the range of 2.7V to 5.5V.
   • Ensure the GND pin is connected to the system ground.

2. Input Configuration:

   • Connect the differential input signals to the IN+ and IN- pins.
   • The input voltage should be within the range of -0.3V to VDD + 0.3V.

3. Output Data Rate Configuration:

   • Set the desired output data rate using the configuration registers.
   • Valid data rates range from 20 SPS to 2400 SPS.

4. Resolution and Accuracy:

   • The ADS1230 provides 20-bit effective resolution.
   • Ensure that the system design accounts for the specified INL and DNL errors.

5. Calibration:

   • Perform initial calibration to correct for offset and gain errors.
   • Use the provided calibration routines or external calibration methods as needed.

6. Power Management:

   • To reduce power consumption, use the shutdown mode by setting the appropriate register bit.
   • In shutdown mode, the current consumption is reduced to approximately 0.5 μA.

7. Temperature Considerations:

   • Operate the device within the temperature range of -40°C to 85°C for optimal performance.
   • Store the device within the temperature range of -65°C to 150°C.

8. Signal Integrity:

   • Use proper PCB layout techniques to minimize noise and ensure signal integrity.
   • Place decoupling capacitors close to the VDD and GND pins to filter out supply noise.

9. Communication Interface:

   • Use the SPI interface to communicate with the ADS1230.
   • Refer to the datasheet for specific SPI communication protocols and register maps.

10. Troubleshooting:

    • If the device does not function as expected, check the power supply, input signals, and communication lines.
    • Verify that all configuration settings are correctly set according to the application requirements.

(For reference only)