Details

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BUY AD7706BRZ https://www.utsource.net/itm/p/6112598.html
ADC 16BIT 3CH 16-SOIC

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD		2.7		5.25	V
Supply Current (Active)	IDD	fCLK = 1 MHz, T = 25掳C		4.0		mA
Supply Current (Power-Down)	IDD	All channels powered down		0.3		渭A
Input Voltage Range	VIN		0		VREF	V
Reference Voltage	VREF	Internal	2.5		2.5	V
Differential Input Range			卤VREF/2		卤VREF/2	V
Common-Mode Input Range			GND - 0.3		AVDD + 0.3	V
Output Data Rate			4.17		2000	Hz
Resolution				16		bits
SNR				90		dB
THD				-95		dB

Instructions for Use

1. Power Supply Connection:

   • Connect the power supply to the VDD pin. Ensure the voltage is within the specified range of 2.7V to 5.25V.
   • Connect the ground (GND) to a stable reference point.

2. Reference Voltage Setup:

   • The AD7706BRZ includes an internal 2.5V reference. For external references, connect the external reference voltage to the VREF pin.

3. Input Signal Configuration:

   • Connect the analog input signals to the appropriate differential input pins (AIN1, AIN2, etc.). Ensure the signal levels are within the common-mode and differential input ranges.

4. Output Data Rate Selection:

   • Configure the output data rate using the control register settings. The device supports rates from 4.17 Hz to 2000 Hz.

5. Power Management:

   • To minimize power consumption, use the power-down mode when not actively converting. This can be controlled via the configuration registers.

6. Communication Interface:

   • Communicate with the AD7706BRZ using the SPI interface. Ensure correct configuration of the clock frequency and data format according to the datasheet specifications.

7. Calibration:

   • Perform system calibration if necessary to ensure accurate measurements. Follow the calibration procedure outlined in the datasheet.

8. Handling and Storage:

   • Handle the device with care to avoid damage from electrostatic discharge (ESD). Store in ESD-safe packaging until ready for use.

For detailed programming and specific register configurations, refer to the full datasheet provided by Analog Devices.

(For reference only)