Details

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BUY L149 https://www.utsource.net/itm/p/12598406.html

Parameter	Description	Value
Part Number	L149
Type	Operational Amplifier (Op-Amp)
Package	SOIC-8
Supply Voltage	Single Supply: 2.7V to 5.5V, Dual Supply: 卤1.35V to 卤2.75V
Bandwidth	Unity Gain Bandwidth	10 MHz
Slew Rate	Slew Rate	6 V/渭s
Input Offset Voltage	Maximum Input Offset Voltage at 25掳C	2 mV
Input Bias Current	Maximum Input Bias Current at 25掳C	10 nA
Output Swing	Output Swing to Rails	卤1.2V from rail
Operating Temperature Range	Commercial: 0掳C to 70掳C, Industrial: -40掳C to 85掳C
Quiescent Current	Quiescent Current per Amplifier	2.5 mA
Common Mode Rejection Ratio (CMRR)	Minimum CMRR at 1 kHz	90 dB
Power Supply Rejection Ratio (PSRR)	Minimum PSRR at 1 kHz	90 dB
Input Voltage Range	Input Voltage Range	卤1.2V from rail
Output Current	Maximum Output Current	20 mA

Instructions for Use

1. Supply Voltage Configuration:

   • Single Supply: Connect the positive supply voltage (V+) to pin 8 and ground (GND) to pin 4.
   • Dual Supply: Connect the positive supply voltage (V+) to pin 8 and the negative supply voltage (V-) to pin 4.

2. Input Connections:

   • Connect the non-inverting input (pin 3) to the desired input signal or reference voltage.
   • Connect the inverting input (pin 2) to the feedback network or input signal as required by your circuit design.

3. Output Connections:

   • The output (pin 1) can be connected to the load or further stages of the circuit.

4. Feedback Network:

   • For non-inverting configurations, connect a feedback resistor between the output (pin 1) and the inverting input (pin 2).
   • For inverting configurations, connect a feedback resistor between the output (pin 1) and the inverting input (pin 2), and a resistor from the inverting input (pin 2) to the input signal.

5. Decoupling Capacitors:

   • Place a 0.1 渭F ceramic capacitor between the supply pins (pin 8 and pin 4) close to the IC to reduce noise and improve stability.

6. Temperature Considerations:

   • Ensure that the operating temperature is within the specified range to avoid performance degradation or damage to the device.

7. Handling Precautions:

   • Handle the IC with care to avoid static discharge, which can damage the sensitive components.
   • Follow proper soldering techniques to ensure reliable connections and prevent thermal damage.

8. Storage:

   • Store the IC in a dry, cool place to prevent moisture damage.

By following these instructions, you can ensure optimal performance and reliability of the L149 operational amplifier in your circuits.

(For reference only)