Details

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BUY AD8021ARMZ https://www.utsource.net/itm/p/12607529.html

Parameter	Description	Min	Typ	Max	Unit
Supply Voltage (V+)	Operating supply voltage	2.7	-	5.5	V
Supply Current (I+)	Quiescent supply current	-	2.5	-	mA
Input Voltage Range	Range over which input is valid	0	-	V+ - 1.2	V
Output Voltage Swing	Output voltage range	0.1	-	V+ - 0.1	V
Bandwidth (-3 dB)	Frequency at which gain drops to -3 dB	-	220	-	MHz
Slew Rate	Maximum rate of change of output voltage	-	1000	-	V/μs
Large Signal Voltage Gain	Gain for large signals	-	1000	-	V/V
Noise Voltage Density	Noise voltage spectral density	-	1.6	-	nV/√Hz
Input Bias Current	Average DC current flowing into the input terminals	-	1	-	pA
Input Offset Current	Difference between the two input bias currents	-	0.2	-	pA
Input Offset Voltage	Differential DC voltage required to produce zero output voltage	-	0.5	-	mV
Common-Mode Rejection Ratio (CMRR)	Ability to reject common-mode signals	-	90	-	dB
Power Supply Rejection Ratio (PSRR)	Ability to reject changes in supply voltage	-	90	-	dB
Output Impedance	Impedance seen by the load at the output	-	10	-	Ω

Instructions for Use:

1. Power Supply:

   • Connect the positive supply (V+) to the appropriate pin.
   • Ensure the supply voltage is within the specified range (2.7V to 5.5V).

2. Input Signals:

   • Apply input signals within the valid input voltage range (0V to V+ - 1.2V).
   • Avoid exceeding the input voltage limits to prevent damage.

3. Output Configuration:

   • The output can swing from 0.1V to V+ - 0.1V.
   • Ensure the load impedance is compatible with the output impedance (10Ω).

4. Noise Considerations:

   • The noise voltage density is 1.6 nV/√Hz. Use appropriate filtering if low noise is critical.

5. Bias and Offset:

   • The input bias current is 1 pA and the input offset current is 0.2 pA.
   • The input offset voltage is 0.5 mV. These parameters should be considered for precision applications.

6. Common-Mode and Power Supply Rejection:

   • The CMRR and PSRR are both 90 dB, indicating good rejection of common-mode signals and power supply variations.

7. Slew Rate and Bandwidth:

   • The slew rate is 1000 V/μs, and the bandwidth is 220 MHz. These parameters are crucial for high-frequency applications.

8. Handling and Storage:

   • Handle the device with care to avoid electrostatic discharge (ESD) damage.
   • Store in a dry, cool place away from direct sunlight and corrosive environments.

For detailed specifications and application notes, refer to the AD8021ARMZ datasheet provided by Analog Devices.

(For reference only)