Details

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BUY AD7741BNZ https://www.utsource.net/itm/p/12597156.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD	-	2.7	-	5.25	V
Reference Voltage	VREF	-	2.5	-	5.0	V
Input Range	VIN	VREF = 2.5V	0	-	2.5	V
Input Range	VIN	VREF = 5.0V	0	-	5.0	V
Resolution	-	-	-	24	-	bits
Output Data Rate	fODR	-	0.1	-	200	Hz
Power Consumption	IDD	VDD = 5V, fODR = 10Hz	-	1.3	-	mA
Power Consumption	IDD	VDD = 5V, fODR = 100Hz	-	2.5	-	mA
Temperature Range	Toperating	-	-40	-	85	°C
Package	-	-	-	8-lead SOIC	-	-

Instructions for Using AD7741BNZ

1. Power Supply:

   • Connect the supply voltage (VDD) to the appropriate power source within the range of 2.7V to 5.25V.
   • Ensure the reference voltage (VREF) is within the range of 2.5V to 5.0V.

2. Input Signal:

   • The input signal (VIN) should be within the range of 0V to the reference voltage (VREF).
   • For VREF = 2.5V, VIN should be between 0V and 2.5V.
   • For VREF = 5.0V, VIN should be between 0V and 5.0V.

3. Output Data Rate:

   • Set the output data rate (fODR) according to the application requirements, ranging from 0.1Hz to 200Hz.

4. Power Consumption:

   • Monitor the power consumption based on the operating conditions:
     • At VDD = 5V and fODR = 10Hz, the typical current consumption is 1.3mA.
     • At VDD = 5V and fODR = 100Hz, the typical current consumption is 2.5mA.

5. Temperature Range:

   • Ensure the device operates within the temperature range of -40°C to 85°C.

6. Package:

   • The AD7741BNZ comes in an 8-lead SOIC package. Ensure proper soldering and handling to avoid damage.

7. Initialization:

   • Initialize the device by setting the necessary configuration registers via the SPI interface.
   • Refer to the datasheet for specific register addresses and bit configurations.

8. Data Conversion:

   • Start the conversion process by writing to the control register.
   • Read the conversion results from the data register at the desired output data rate.

9. Error Handling:

   • Monitor the status register for any errors or flags indicating issues such as overrange or underrange conditions.

10. Shutdown Mode:

    • To reduce power consumption, use the shutdown mode by setting the appropriate bit in the control register.

For detailed information and specific register settings, refer to the AD7741BNZ datasheet provided by Analog Devices.

(For reference only)