Details

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BUY AD7711ANZ https://www.utsource.net/itm/p/11654035.html

Parameter	Description	Min	Typical	Max	Unit
Supply Voltage (VDD)	Operating supply voltage	2.7	-	5.25	V
Supply Current (IDD)	Quiescent supply current	-	300	-	渭A
Input Voltage Range	Analog input voltage range	0	-	VREF	V
Common-Mode Rejection Ratio (CMRR)	Common-mode rejection ratio	80	-	-	dB
Power-Down Mode Current	Current in power-down mode	-	2	-	渭A
Output Data Rate	Programmable output data rate	4.17	-	1000	Hz
Resolution	ADC resolution	-	24	-	bits
Integral Nonlinearity (INL)	Integral nonlinearity error	-	卤1	-	LSB
Differential Nonlinearity (DNL)	Differential nonlinearity error	-	卤1	-	LSB
Noise-Free Code Resolution	Noise-free code resolution	-	16.5	-	bits
Reference Voltage (VREF)	External reference voltage	2.5	-	5.0	V
Temperature Range	Operating temperature range	-40	-	85	掳C
Package	Package type	-	-	-	SOIC-28

Instructions for Using AD7711ANZ

1. Power Supply:

   • Ensure the supply voltage (VDD) is within the range of 2.7V to 5.25V.
   • Connect the ground (GND) pin to the system ground.

2. Reference Voltage:

   • Provide an external reference voltage (VREF) between 2.5V and 5.0V.
   • Connect VREF to the appropriate pin on the AD7711ANZ.

3. Analog Input:

   • Connect the analog input signal to the appropriate input pins (AIN1, AIN2, etc.).
   • Ensure the input voltage does not exceed the reference voltage (VREF).

4. Output Data Rate:

   • Configure the output data rate using the appropriate register settings.
   • The data rate can be set between 4.17 Hz and 1000 Hz.

5. Power-Down Mode:

   • To reduce power consumption, use the power-down mode by setting the appropriate bit in the control register.
   • In power-down mode, the current consumption is reduced to approximately 2 渭A.

6. Communication:

   • Use the SPI interface to communicate with the AD7711ANZ.
   • Ensure the clock frequency (SCLK) is within the specified range for proper communication.

7. Temperature Considerations:

   • The device operates over a temperature range from -40掳C to 85掳C.
   • Ensure the operating environment is within this range to avoid performance degradation.

8. Package Handling:

   • Handle the SOIC-28 package with care to avoid damage to the pins.
   • Follow standard ESD (Electrostatic Discharge) precautions when handling the device.

9. Calibration:

   • Perform initial calibration to ensure accurate measurements.
   • Use the self-calibration or system-calibration modes as needed.

10. Noise Considerations:

    • To achieve the best noise performance, use a low-noise power supply and proper grounding techniques.
    • Shield the analog input lines if they are susceptible to interference.

(For reference only)