Details

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BUY AD8420ARMZ https://www.utsource.net/itm/p/12382669.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vsupply		-0.3		+6.5	V
Input Voltage Range	Vin	Common Mode	-Vs-0.3		+Vs+0.3	V
Output Voltage Swing	Vout	Load = 10 kΩ	-Vs+1.2		+Vs-1.2	V
Input Offset Voltage	Vos			75		μV
Input Bias Current	Ib			2.5		pA
Input Offset Current	Ios			1		pA
Gain Error	ΔG			±0.05		%
Bandwidth	fBW	G = 100		8		MHz
Slew Rate	SR			1.5		V/μs
Settling Time	tsettle	0.1% (G = 100)		2.4		μs
Noise Voltage Density	en	1 kHz		9		nV/√Hz
Quiescent Current	IQ			2.1		mA

Instructions for Use:

1. Power Supply Connections:

   • Connect the supply voltage to the Vsupply pin, ensuring it is within the specified range of -0.3V to +6.5V.

2. Input Signal Application:

   • Apply the input signal within the common-mode input voltage range, which is from -Vs-0.3V to +Vs+0.3V.

3. Output Configuration:

   • Ensure the output load does not exceed the maximum output swing limits, typically -Vs+1.2V to +Vs-1.2V for a 10kΩ load.

4. Offset and Bias Management:

   • Be aware of the input offset voltage (typically 75μV) and bias current (2.5pA) when designing circuits to minimize errors.

5. Gain Setting:

   • Set the gain as required, noting that the gain error is ±0.05%. For optimal performance, consider the bandwidth and slew rate specifications.

6. Noise Considerations:

   • For low-noise applications, account for the noise voltage density of 9nV/√Hz at 1kHz.

7. Thermal Management:

   • Ensure proper thermal management as per the datasheet recommendations to maintain performance and reliability.

8. Handling Precautions:

   • Handle the AD8420ARMZ with care to avoid electrostatic discharge (ESD) damage. Follow standard ESD handling procedures.

For detailed design considerations and advanced usage, refer to the full datasheet available from Analog Devices.

(For reference only)