Details

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BUY AD7722ASZ https://www.utsource.net/itm/p/844586.html
CMOS, 16-Bit, 195 kSPS Sigma-Delta ADC; Package: PLASTIC QUAL FLATPACK/MQFP; No of Pins: 44; Temperature Range: Industrial

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD	Operating	2.7	-	5.25	V
Reference Input Voltage	VREF	-	2.5	-	5.0	V
Analog Input Voltage Range	VIN	-	0	-	VREF	V
Differential Input Voltage	VIN(DIFF)	-	-	-	±VREF/2	V
Common-Mode Input Voltage	VIN(CM)	-	GND - 0.3	-	VDD + 0.3	V
Input Bias Current	IB	-	-10	0	10	nA
Input Capacitance	CIN	-	-	15	-	pF
Conversion Time (Single Conversion Mode)	tCONV	60 SPS	-	-	16.7	ms
Conversion Time (Continuous Conversion Mode)	tCONV	19.2 kSPS	-	-	52.1	μs
Output Data Rate	fODR	-	19.2 kSPS	-	-	SPS
Output Noise (Typical)	ENOISE	10 SPS, 2.5 VREF	-	1.6	-	μVrms
Power Consumption	PWR	-	-	1.5	3.5	mW
Temperature Range	Toperating	-	-40	-	85	°C

Instructions for Using AD7722ASZ

1. Power Supply:

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

2. Reference Voltage:

   • The reference input voltage (VREF) should be between 2.5V and 5.0V.
   • Connect the reference voltage to the VREF pin.

3. Analog Input:

   • The analog input voltage (VIN) should be within the range of 0V to VREF.
   • For differential inputs, ensure the differential input voltage (VIN(DIFF)) is within ±VREF/2.
   • The common-mode input voltage (VIN(CM)) should be between GND - 0.3V and VDD + 0.3V.

4. Bias Current and Capacitance:

   • The input bias current (IB) can range from -10nA to 10nA.
   • The input capacitance (CIN) is typically 15pF.

5. Conversion Modes:

   • Single Conversion Mode: Set the conversion time (tCONV) to 16.7ms for a sample rate of 60 SPS.
   • Continuous Conversion Mode: Set the conversion time (tCONV) to 52.1μs for a sample rate of 19.2 kSPS.

6. Output Data Rate:

   • The output data rate (fODR) can be set up to 19.2 kSPS.

7. Noise Considerations:

   • At a sample rate of 10 SPS with a 2.5V reference, the typical output noise (ENOISE) is 1.6 μVrms.

8. Power Consumption:

   • The power consumption (PWR) is typically 1.5mW and can go up to 3.5mW.

9. Temperature Range:

   • The operating temperature range (Toperating) is from -40°C to 85°C.

10. Handling and Storage:

    • Handle the device with care to avoid static damage.
    • Store in a dry environment to prevent moisture damage.

11. Pin Configuration:

    • Refer to the datasheet for the specific pin configuration and connections.

For detailed information, refer to the AD7722ASZ datasheet provided by Analog Devices.

(For reference only)