Details

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BUY LM348 https://www.utsource.net/itm/p/12600149.html

Parameter	Symbol	Min	Typ	Max	Unit
Supply Voltage	VCC	4.5	-	16	V
Supply Current (per op-amp)	ICC	-	0.8	-	mA
Output Short-Circuit Current	IOS	-	25	-	mA
Differential Input Voltage Range	VID	-	0	32	V
Common-Mode Input Voltage Range	VICM	-0.5	-	VCC + 0.5	V
Output Voltage Swing (VCC = 15V)	VOUT	0.5	-	14.5	V
Slew Rate	SR	-	0.5	-	V/渭s
Bandwidth (Unity Gain)	fBW	-	1.2	-	MHz
Input Offset Voltage	VIO	-	2	-	mV
Input Bias Current	IIB	-	50	-	nA
Input Offset Current	IIO	-	10	-	nA

Instructions for Using the LM348

1. Power Supply:

   • The LM348 can operate with a supply voltage ranging from 4.5V to 16V.
   • Ensure that the supply voltage is stable and within the specified range to avoid damage to the device.

2. Supply Current:

   • Each operational amplifier in the LM348 typically draws about 0.8mA of supply current.
   • Consider this when designing your power supply circuit to ensure adequate current capacity.

3. Output Short-Circuit Protection:

   • The device can handle short-circuits at the output, but it is recommended to limit the duration of such events to prevent overheating.
   • Use appropriate current-limiting resistors if necessary.

4. Input Voltage Range:

   • The differential input voltage range is up to 32V, but the common-mode input voltage should not exceed V_CC + 0.5V or go below -0.5V.
   • Ensure that input signals stay within these limits to avoid damaging the device.

5. Output Voltage Swing:

   • The output voltage swing is limited to 0.5V above ground and 0.5V below V_CC when V_CC is 15V.
   • Use external components like pull-up or pull-down resistors if you need to achieve rail-to-rail output.

6. Slew Rate:

   • The typical slew rate is 0.5V/渭s, which limits the maximum rate of change of the output voltage.
   • This is important for high-frequency applications and should be considered when designing the circuit.

7. Bandwidth:

   • The unity gain bandwidth is typically 1.2MHz.
   • For higher gain configurations, the bandwidth will decrease according to the gain-bandwidth product.

8. Input Offset Voltage and Current:

   • The input offset voltage and current are typically 2mV and 50nA, respectively.
   • These parameters can affect the accuracy of your circuit, especially in precision applications.
   • Use trimming techniques or feedback networks to minimize their impact.

9. Handling and Storage:

   • Handle the LM348 with care to avoid static discharge, which can damage the device.
   • Store the device in a dry, cool place to prevent moisture damage.

10. Mounting and PCB Design:

    • Ensure proper heat dissipation by using adequate copper areas on the PCB.
    • Follow good PCB layout practices to minimize noise and interference.

By following these guidelines, you can ensure reliable and efficient operation of the LM348 in your circuits.

(For reference only)