Details

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BUY AD8682ARMZ https://www.utsource.net/itm/p/12612486.html

Parameter	Description	Min	Typical	Max	Unit
Supply Voltage (V+)	Operating supply voltage range	2.7	-	5.5	V
Quiescent Current (IQ)	Quiescent current per amplifier	-	100	-	μA
Input Offset Voltage (VOS)	Maximum input offset voltage	-	10	50	μV
Input Bias Current (IB)	Maximum input bias current	-	1	5	pA
Input Voltage Noise (en)	Input voltage noise density at 1 kHz	-	9	-	nV/√Hz
Common-Mode Rejection Ratio (CMRR)	Common-mode rejection ratio at DC	100	-	-	dB
Power-Supply Rejection Ratio (PSRR)	Power-supply rejection ratio at DC	100	-	-	dB
Slew Rate (SR)	Slew rate	-	0.8	-	V/μs
Bandwidth (BW)	Unity-gain bandwidth	-	1.5	-	MHz
Output Voltage Swing (Vout)	Output voltage swing to rails	0.1	-	0.1	V
Operating Temperature Range (Tamb)	Ambient temperature range for operation	-40	-	125	°C

Instructions for Using AD8682ARMZ

1. Power Supply:

   • Ensure the supply voltage is within the specified range of 2.7V to 5.5V.
   • Use decoupling capacitors (typically 0.1μF and 10μF) close to the power pins to reduce noise and transient effects.

2. Input Configuration:

   • Connect the non-inverting (+) and inverting (-) inputs appropriately for your application.
   • For single-ended inputs, ground one input or use a reference voltage.
   • For differential inputs, ensure the common-mode voltage is within the operational range.

3. Output Configuration:

   • The output can swing within 0.1V of the supply rails. Ensure the load impedance is appropriate for the output current capability.
   • Use a feedback resistor and a compensating capacitor if necessary to stabilize the circuit and prevent oscillations.

4. Biasing and Compensation:

   • Use a biasing network to set the operating point of the op-amp if required.
   • For high-frequency applications, add a compensation capacitor between the output and inverting input to improve stability.

5. Thermal Management:

   • Ensure adequate heat dissipation, especially at higher supply voltages and output currents.
   • Follow the recommended PCB layout guidelines to minimize thermal resistance.

6. Storage and Handling:

   • Store the device in a dry environment to prevent moisture damage.
   • Handle with care to avoid static discharge, which can damage the sensitive components.

7. Testing and Troubleshooting:

   • Use a multimeter to check the supply voltage and output levels.
   • Verify the input signals and connections for any errors.
   • If the op-amp is not functioning as expected, check for proper decoupling and grounding.

For detailed specifications and further information, refer to the AD8682 data sheet provided by Analog Devices.

(For reference only)