Details

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BUY AD7869JRZ https://www.utsource.net/itm/p/328414.html
LC2MOS Complete, 14-Bit Analog I/O System

Parameter	Symbol	Conditions	Min	Typical	Max	Unit
Supply Voltage	VDD	-	2.7	-	5.25	V
Analog Input Voltage Range	VIN	-	0	-	VDD	V
Digital Output Format	-	-	-	12-bit	-	-
Conversion Time (Typical)	tCONV	-	-	20	-	μs
Power Consumption	IDD	VDD = 3V, Continuous Conversion	1.8	-	-	mA
Power Consumption	IDD	VDD = 5V, Continuous Conversion	2.8	-	-	mA
Shutdown Current	ISD	-	0.1	-	-	μA
Differential Nonlinearity (DNL)	DNL	-	-1	0	+1	LSB
Integral Nonlinearity (INL)	INL	-	-1	0	+1	LSB
Signal-to-Noise Ratio (SNR)	SNR	-	-	72	-	dB
Total Harmonic Distortion (THD)	THD	-	-	-85	-	dB

Instructions for Use:

1. Power Supply:

   • Ensure the supply voltage (VDD) is within the range of 2.7V to 5.25V.
   • Connect a stable power source to the VDD and GND pins.

2. Analog Input:

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

3. Digital Output:

   • The AD7869JRZ provides a 12-bit digital output.
   • Configure the digital output format as required by your system.

4. Conversion Time:

   • The typical conversion time is 20 μs.
   • Ensure that the system allows sufficient time for the ADC to complete a conversion before reading the result.

5. Power Consumption:

   • The power consumption varies with the supply voltage.
   • For VDD = 3V, the current consumption is typically 1.8 mA.
   • For VDD = 5V, the current consumption is typically 2.8 mA.

6. Shutdown Mode:

   • To reduce power consumption, use the shutdown mode.
   • The shutdown current is approximately 0.1 μA.

7. Linearity:

   • The differential nonlinearity (DNL) and integral nonlinearity (INL) are both ±1 LSB, ensuring high accuracy.

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

   • The SNR is typically 72 dB, indicating good noise performance.

9. Total Harmonic Distortion (THD):

   • The THD is typically -85 dB, indicating low distortion.

10. Layout and Grounding:

    • Proper layout and grounding are crucial for optimal performance.
    • Use a ground plane and keep signal traces short to minimize noise.

11. Data Sheet:

    • Refer to the full data sheet for detailed specifications and application notes.

(For reference only)