Details

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BUY ADC12048CIV https://www.utsource.net/itm/p/1218497.html
12-Bit Plus Sign 216 kHz 8-Channel Sampling Analog-to-Digital Converter

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Supply Voltage	VDD	2.7	-	5.5	V
Analog Input Voltage	VIN	0	-	VDD	V
Digital Output Voltage	VDO	0	-	VDD	V
Conversion Time	tCONV	-	13	-	μs	100 kSPS
Sampling Rate	fSAMP	-	100	-	kSPS
Resolution		-	12	-	bits
Differential Nonlinearity	DNL	-1	0	+1	LSB
Integral Nonlinearity	INL	-1	0	+1	LSB
Signal-to-Noise Ratio	SNR	-	72	-	dB	@ 100 kSPS, 1 kHz input
Total Harmonic Distortion	THD	-	-80	-	dB	@ 100 kSPS, 1 kHz input
Power Consumption	IDD	-	2.5	-	mA	@ 100 kSPS, VDD = 5 V
Operating Temperature	Toper	-40	-	85	°C	Industrial Grade

Instructions for Use:

1. Power Supply:

   • Connect the VDD pin to a stable power supply between 2.7 V and 5.5 V.
   • Ensure that the power supply is clean and has low noise to avoid affecting the ADC performance.

2. Analog Input:

   • Connect the analog signal to the VIN pins. The input voltage should be within the range of 0 V to VDD.
   • Use a low-pass filter if the input signal contains high-frequency noise.

3. Digital Output:

   • The digital output pins (D0-D11) provide the 12-bit conversion result.
   • Ensure that the digital output voltage (VDO) is compatible with the logic levels of the connected microcontroller or processor.

4. Conversion Control:

   • Initiate a conversion by setting the appropriate control signals (e.g., CONVST for start-of-conversion).
   • Wait for the conversion time (tCONV) before reading the digital output.

5. Sampling Rate:

   • The ADC can operate at up to 100 kSPS (kilo samples per second). Adjust the sampling rate based on your application requirements.

6. Calibration:

   • Perform calibration if required to ensure accurate conversions. Refer to the device datasheet for specific calibration procedures.

7. Temperature Range:

   • The ADC is designed to operate over the industrial temperature range of -40°C to 85°C. Ensure that the operating environment stays within these limits.

8. Power Management:

   • To reduce power consumption, consider using the power-down mode when the ADC is not in use. Refer to the datasheet for power management details.

9. Layout Considerations:

   • Place decoupling capacitors close to the VDD and GND pins to minimize noise and improve stability.
   • Use a ground plane to reduce interference and improve signal integrity.

10. Handling and Storage:

    • Handle the ADC with care to avoid damage from electrostatic discharge (ESD).
    • Store the device in a dry, cool place to prevent moisture damage.

(For reference only)