Details

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BUY ADA4000-1ARZ https://www.utsource.net/itm/p/4181626.html
Low Cost, Precision JFET Input Operational Amplifier in TSOT

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	Vsupply	2.7	-	5.5	V	Operating supply voltage range
Input Offset Voltage	Vos	-	100	300	μV	Maximum input offset voltage at 25°C
Input Bias Current	Ib	-	0.5	1.5	nA	Input bias current at 25°C
Input Voltage Noise	en	-	12	-	nV/√Hz	Voltage noise density at 1 kHz
Bandwidth (-3 dB)	BW	-	1.8	-	MHz	Small signal bandwidth
Slew Rate	SR	-	0.6	-	V/μs	Slew rate
Output Current	Iout	-	20	40	mA	Short-circuit output current
Quiescent Current	IQ	-	200	300	μA	Supply current per amplifier
Common-Mode Rejection Ratio	CMRR	80	-	100	dB	Common-mode rejection ratio at DC
Power-Supply Rejection Ratio	PSRR	80	-	100	dB	Power-supply rejection ratio at DC

Instructions for ADA4000-1ARZ:

1. Supply Voltage Configuration:

   • Ensure the supply voltage is within the specified range of 2.7V to 5.5V to avoid damage or improper operation.

2. Input Signal Handling:

   • Be mindful of the input offset voltage, which can affect the accuracy of small signals. Use appropriate calibration or trimming if necessary.

3. Noise Consideration:

   • For applications sensitive to noise, consider the input voltage noise of 12 nV/√Hz and design your circuit to minimize this impact.

4. Bandwidth Utilization:

   • The amplifier has a small signal bandwidth of 1.8 MHz. Design your circuits ensuring that the signal frequency is within this range for optimal performance.

5. Output Limitations:

   • Do not exceed the short-circuit output current limit of 40 mA to prevent potential damage to the device.

6. Power Consumption:

   • Monitor the quiescent current of 200 to 300 μA per amplifier to ensure efficient power usage in low-power systems.

7. Rejection Ratios:

   • Utilize the high common-mode and power-supply rejection ratios (80 to 100 dB) to enhance immunity against unwanted signals and supply variations.

8. Installation and Handling:

   • Handle the device with care to avoid electrostatic discharge (ESD) damage. Follow proper ESD precautions during installation.

9. Operational Environment:

   • Ensure the operational environment does not exceed the temperature limits specified by the manufacturer to maintain reliable performance.

(For reference only)