Details

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BUY LM2902 https://www.utsource.net/itm/p/12555234.html

Parameter	Symbol	Conditions	Min	Typical	Max	Unit
Supply Voltage	VCC	Continuous Operation	2.0	-	36	V
Input Voltage Range	VI	Relative to Ground	0	-	VCC - 1.5	V
Output Voltage Swing	VO	No Load	0	-	VCC - 1.5	V
Quiescent Current	IQ	Per Amplifier	-	0.4	1.0	mA
Input Bias Current	IB		-	25	90	nA
Input Offset Current	IOS		-	5	20	nA
Input Offset Voltage	VOS		-	2	7	mV
Common-Mode Rejection Ratio	CMRR	10 Hz	-	80	100	dB
Power Supply Rejection Ratio	PSRR	10 Hz	-	80	100	dB
Slew Rate	SR		-	0.5	1.0	V/μs
Bandwidth	BW	Unity Gain	-	1	1.5	MHz
Output Short-Circuit Protection	-		Yes	-	-	-

Instructions for Using the LM2902

1. Supply Voltage:

   • The LM2902 can operate with a supply voltage ranging from 2.0V to 36V.
   • Ensure the supply voltage is stable and within the specified range to avoid damage to the device.

2. Input Voltage:

   • The input voltage should be within the range of 0V to V_CC - 1.5V.
   • Exceeding these limits can cause damage or incorrect operation.

3. Output Voltage:

   • The output voltage swing is typically from 0V to V_CC - 1.5V under no load conditions.
   • For optimal performance, ensure the load does not pull the output below 0V or above V_CC - 1.5V.

4. Quiescent Current:

   • Each amplifier in the LM2902 consumes approximately 0.4mA to 1.0mA of quiescent current.
   • This value is important for power budgeting in low-power applications.

5. Input Bias and Offset Currents:

   • The input bias current is typically 25nA to 90nA, and the input offset current is 5nA to 20nA.
   • These parameters affect the accuracy of the amplifier and should be considered when designing circuits with high impedance sources.

6. Input Offset Voltage:

   • The input offset voltage is typically 2mV to 7mV.
   • This parameter is crucial for precision applications and may require calibration or trimming.

7. Common-Mode Rejection Ratio (CMRR):

   • The CMRR is typically 80dB to 100dB at 10Hz.
   • Higher CMRR values indicate better rejection of common-mode signals, which is important in noisy environments.

8. Power Supply Rejection Ratio (PSRR):

   • The PSRR is typically 80dB to 100dB at 10Hz.
   • Higher PSRR values indicate better rejection of power supply noise, which is crucial for maintaining signal integrity.

9. Slew Rate:

   • The slew rate is typically 0.5V/μs to 1.0V/μs.
   • This parameter determines the maximum rate of change of the output voltage and is important for high-frequency applications.

10. Bandwidth:

    • The bandwidth is typically 1MHz to 1.5MHz at unity gain.
    • This parameter affects the frequency response of the amplifier and should be considered for applications requiring high-frequency operation.

11. Output Short-Circuit Protection:

    • The LM2902 has built-in output short-circuit protection, which helps prevent damage in case of accidental short circuits.

12. Handling and Storage:

    • Handle the LM2902 with care to avoid static discharge, which can damage the device.
    • Store the device in a dry, cool place to prevent moisture damage.

By following these guidelines, you can ensure optimal performance and reliability of the LM2902 in your circuit designs.

(For reference only)