Details

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BUY LM1458N https://www.utsource.net/itm/p/12426386.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC	卤15V Operation	-16	-15	-14	V
Supply Voltage	VCC	卤5V Operation	-5.5	-5	-4.5	V
Supply Current	ICC	No Load	0.8	1.2	3.0	mA
Input Offset Voltage	VIO		-2	0	2	mV
Input Bias Current	IB		20	80	500	nA
Input Offset Current	IOS		-20	0	20	nA
Differential Input Voltage Range	VID		-30	0	30	V
Output Short-Circuit Duration	tSC		0	30	-	ms
Slew Rate	SR		0.5	1.0	1.5	V/渭s
Large Signal Voltage Gain	AV		50	100	200	dB

Instructions for Use:

1. Power Supply:

   • The LM1458N can operate with a dual supply voltage range of 卤15V or 卤5V.
   • Ensure that the power supply is stable and within the specified range to avoid damage to the device.

2. Input Signals:

   • The differential input voltage range is 卤30V. Ensure that the input signals do not exceed this range to prevent damage.
   • The input bias current and offset current should be considered when designing the input circuitry to minimize errors.

3. Output Configuration:

   • The output can drive loads directly, but it is recommended to use a pull-up resistor if driving a capacitive load.
   • The output short-circuit duration is limited to 30ms to protect the device from overheating.

4. Slew Rate:

   • The slew rate of the LM1458N is 1.0 V/渭s. This limits the maximum rate of change of the output voltage and should be considered when designing high-frequency circuits.

5. Gain:

   • The large signal voltage gain is typically 100 dB. This high gain can amplify small input signals significantly, so careful attention should be paid to feedback and stability in the circuit design.

6. Thermal Considerations:

   • The device should be mounted on a heatsink if it is expected to dissipate significant power. The thermal resistance (胃_JA) should be considered to ensure proper heat dissipation.

7. Storage and Handling:

   • Store the device in a dry, cool place away from direct sunlight and moisture.
   • Handle the device with care to avoid static discharge, which can damage the internal components.

8. Package Information:

   • The LM1458N is available in an 8-pin DIP (Dual In-Line Package) or SOIC (Small Outline Integrated Circuit) package.
   • Ensure that the correct package type is used and that the pins are correctly aligned during installation.

By following these guidelines, you can ensure reliable operation and longevity of the LM1458N in your circuits.

(For reference only)