Details

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BUY LM2904N https://www.utsource.net/itm/p/12543097.html

Below is the parameter table and instructions for the LM2904N operational amplifier.

LM2904N Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Supply Voltage	VCC	2.0	36	44	V	Single supply
Supply Current (per op-amp)	ICC	-	0.8	1.5	mA	VCC = 36V, no load
Input Voltage Range	VI	0	-	VCC - 1.5	V	VCC = 36V
Output Voltage Swing	VO	0	-	VCC - 1.5	V	VCC = 36V, IL = 10mA
Input Offset Voltage	VIO	-	2	7	mV	VCC = 36V, TA = 25°C
Input Bias Current	IB	20	80	500	nA	VCC = 36V, TA = 25°C
Input Offset Current	IIO	-	10	100	nA	VCC = 36V, TA = 25°C
Slew Rate	SR	-	0.5	0.5	V/μs	VCC = 36V, TA = 25°C
Gain Bandwidth Product	GBP	-	1.0	1.2	MHz	VCC = 36V, TA = 25°C
Common Mode Rejection Ratio (CMRR)	CMRR	70	85	95	dB	VCC = 36V, TA = 25°C
Power Supply Rejection Ratio (PSRR)	PSRR	70	85	95	dB	VCC = 36V, TA = 25°C
Operating Temperature Range	TA	-40	25	125	°C	Commercial: 0°C to 70°C, Extended: -40°C to 125°C

Instructions for Using LM2904N

1. Power Supply:

   • The LM2904N can operate from a single supply ranging from 2.0V to 44V or dual supplies up to ±22V.
   • Ensure the power supply voltage is 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 to prevent damage to the inputs.
   • Avoid exceeding the maximum input voltage range to ensure proper operation.

3. Output Voltage:

   • The output voltage swing is typically from 0V to V_CC - 1.5V.
   • For optimal performance, ensure that the load resistance is appropriate to maintain the output within this range.

4. Biasing:

   • Use appropriate biasing techniques to set the operating point of the op-amp.
   • For non-inverting configurations, use a voltage divider to set the reference voltage.

5. Feedback:

   • Use negative feedback to improve stability and control the gain of the op-amp.
   • For inverting configurations, connect the feedback resistor between the output and the inverting input.

6. Capacitive Loading:

   • Be cautious with capacitive loads as they can cause instability.
   • If necessary, add a series resistor to the output to limit the capacitive loading effect.

7. Temperature Considerations:

   • The operating temperature range is -40°C to 125°C for extended temperature ranges.
   • Ensure the device is not exposed to temperatures outside this range to avoid performance degradation or failure.

8. PCB Layout:

   • Keep the power supply lines short and well-decoupled with bypass capacitors (typically 0.1μF and 10μF) placed close to the power pins.
   • Use ground planes to minimize noise and improve thermal dissipation.

9. Handling:

   • Handle the device with care to avoid static discharge, which can damage the sensitive components.
   • Follow proper ESD (Electrostatic Discharge) precautions during handling and installation.

10. Testing:

    • Before finalizing the design, test the circuit under various conditions to ensure it meets the desired specifications.
    • Verify the input and output signals using an oscilloscope to check for any unexpected behavior.

By following these guidelines, you can ensure reliable and efficient operation of the LM2904N in your circuits.

(For reference only)