Details

---

BUY AD822AR https://www.utsource.net/itm/p/12610962.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC	Operating	2.7	-	11	V
Quiescent Current	IQ	Each Amplifier, VCC = 5V	-	400	-	μA
Input Offset Voltage	VOS	VCC = 5V	-	25	-	μV
Input Bias Current	IB	VCC = 5V	-	20	-	nA
Input Voltage Noise Density	en	VCC = 5V, f = 1kHz	-	8	-	nV/√Hz
Common-Mode Rejection Ratio	CMRR	VCC = 5V, f = 60Hz	80	-	100	dB
Power-Supply Rejection Ratio	PSRR	VCC = 5V, f = 60Hz	80	-	100	dB
Slew Rate	SR	VCC = 5V	0.3	-	0.5	V/μs
Bandwidth (Unity Gain)	BW	VCC = 5V	-	1	-	MHz
Output Voltage Swing	VOUT	VCC = 5V, RL = 2kΩ	0.1	-	4.9	V

Instructions for Using AD822AR:

1. Power Supply:

   • The AD822AR operates with a supply voltage range from 2.7V to 11V. Ensure that the power supply is stable and within this range to avoid damage or erratic behavior.

2. Biasing:

   • For optimal performance, use a dual power supply (±V_CC/2) or a single-ended supply with a biasing network to ensure the input common-mode voltage range is met.

3. Input Protection:

   • Avoid exceeding the maximum input voltage limits. Use external resistors or diodes to protect the inputs if necessary.

4. Output Load:

   • The output can swing close to the supply rails but not exactly to them. Ensure the load resistance is appropriate to achieve the desired output swing.

5. Stability:

   • The AD822AR is unity-gain stable. However, for high-frequency applications, consider adding a compensation capacitor to maintain stability.

6. Noise Considerations:

   • The input voltage noise density is relatively low, making it suitable for precision applications. Use shielded cables and proper grounding techniques to minimize external noise.

7. Temperature Range:

   • The AD822AR is specified for operation over the extended temperature range (-40°C to +125°C). Ensure the operating environment does not exceed these limits.

8. Layout Considerations:

   • Use short leads and ground planes to minimize parasitic capacitance and inductance. Place bypass capacitors close to the power pins to filter out any supply noise.

9. Storage and Handling:

   • Store the device in a dry environment and handle with care to prevent electrostatic discharge (ESD) damage. Use ESD-safe equipment when handling the device.

10. Testing:

    • When testing the device, ensure all connections are secure and the test setup is calibrated. Follow the datasheet recommendations for test conditions to obtain accurate results.

(For reference only)