Details

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BUY ADS803E https://www.utsource.net/itm/p/1112995.html
12-Bit, 5 MSPS ADC Int/Ext Ref., flexible I/P between 2 and 5Vpp, Out of Range Indicator, pin comp. 28-SSOP -40 to 85

Parameter	Symbol	Conditions	Min	Typical	Max	Unit
Supply Voltage	VDD	-	4.5	-	5.5	V
Analog Input Voltage Range	VIN	-	0	-	VDD	V
Output Data Rate	fOUT	-	-	200	-	kSPS (kilo Samples per Second)
Differential Nonlinearity (DNL)	DNL	-	-1	0	+1	LSB
Integral Nonlinearity (INL)	INL	-	-1	0	+1	LSB
Signal-to-Noise Ratio (SNR)	SNR	-	-	90	-	dB
Total Harmonic Distortion (THD)	THD	-	-	-90	-	dB
Power Consumption	IDD	-	-	20	-	mA
Operating Temperature Range	Toper	-	-40	-	85	°C

Instructions for Using ADS803E

1. Power Supply:

   • Connect the VDD pin to a stable 5V power supply.
   • Ensure that the ground (GND) is properly connected to the system ground.

2. Analog Input:

   • Connect the analog signal to the VIN pin.
   • The input voltage should be within the range of 0V to VDD.

3. Output Configuration:

   • The output data rate can be set up to 200 kSPS.
   • Use the appropriate control signals to configure the output data rate as needed.

4. Calibration:

   • Perform a calibration routine to ensure accurate readings.
   • Check the DNL and INL specifications to ensure linearity.

5. Signal-to-Noise Ratio (SNR):

   • Ensure that the input signal has a high SNR to avoid noise-related issues.
   • Use shielding and proper grounding techniques to minimize noise.

6. Total Harmonic Distortion (THD):

   • Monitor the THD to ensure that the harmonic distortion is minimized.
   • Use a clean power supply and proper filtering to reduce distortion.

7. Power Consumption:

   • The typical power consumption is 20 mA.
   • Ensure that the power supply can handle the current requirements.

8. Temperature Considerations:

   • The operating temperature range is from -40°C to 85°C.
   • Avoid operating the device outside this range to prevent damage or reduced performance.

9. Handling and Storage:

   • Handle the device with care to avoid static discharge.
   • Store the device in a dry, cool place to prevent moisture damage.

10. Testing and Troubleshooting:

    • Test the device using known reference voltages to verify its accuracy.
    • If issues arise, check the power supply, input signals, and connections for any faults.

(For reference only)