Details

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BUY LF398N https://www.utsource.net/itm/p/12593433.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC	-	5	15	30	V
Supply Current	ICC	VCC = 15V, no load	-	2.5	-	mA
Input Voltage Range	VI	-	0	VCC - 1.5	-	V
Output Voltage Swing	VO	Load = 1k惟	0.5	-	VCC - 0.5	V
Input Resistance	RI	-	1012	-	-	惟
Output Resistance	RO	-	-	75	-	惟
Bandwidth	fBW	VCC = 15V, VI = 0 to 5V	-	2.4	-	MHz
Rise Time	tr	VCC = 15V, VI = 0 to 5V	-	65	-	ns
Fall Time	tf	VCC = 15V, VI = 5 to 0V	-	65	-	ns
Propagation Delay	td	VCC = 15V, VI = 0 to 5V	-	15	-	ns
Power Dissipation	PD	TA = 25掳C	-	-	600	mW

Instructions for Using LF398N:

1. Power Supply:

   • The LF398N can operate with a supply voltage ranging from 5V to 30V.
   • Ensure the supply current is within the typical range of 2.5mA to avoid overheating.

2. Input and Output:

   • The input voltage should be within the range of 0V to (V_CC - 1.5V).
   • The output voltage swing is typically from 0.5V to (V_CC - 0.5V) when driving a 1k惟 load.

3. Resistance:

   • The input resistance is extremely high, around 10¹²惟, making it suitable for high-impedance applications.
   • The output resistance is relatively low at 75惟, ensuring good signal integrity.

4. Frequency Response:

   • The bandwidth is up to 2.4MHz, which is suitable for most analog signal processing applications.
   • The rise and fall times are both approximately 65ns, and the propagation delay is around 15ns.

5. Thermal Management:

   • The maximum power dissipation is 600mW at 25掳C ambient temperature. Ensure proper heat sinking if operating near this limit.

6. Handling:

   • Handle the LF398N with care to avoid static damage. Use proper ESD protection measures.

7. Circuit Design:

   • When designing circuits, ensure that the input and output signals are within the specified ranges to prevent distortion or damage.
   • Use decoupling capacitors (e.g., 0.1渭F) close to the power pins to filter out noise and stabilize the supply voltage.

(For reference only)