آی سی LM2904

آی سی LM2904

این آی سی در حقیقت یک تقویت کننده عملیاتی کم مصرف است . تقویت‌ کننده عملیاتی درواقع یک تقویت‌ کننده ولتاژ با بهرهٔ ولتاژ بسیار بالاست و معمولاً دارای یک سر خروجی و دو سر ورودی است که سرهای ورودی بصورت تفاضلی عمل می‌کنند. به عبارت دیگر، این تقویت‌کننده، اختلاف ولتاژ میان ورودی را تقویت می‌کند. از آی سی LM2904 در ایسیواستفاده می شود .جایگزین این آی سی قطعه  B57498  می باشد.

كاتالوگ محصول : دیتاشیت آی سی LM2904

Low-power Dual Operational Amplifier

This circuit consists of two independent, high gain operational amplifiers (op amps) that have frequency compensation implemented internally. They are designed specifically for automotive and industrial control systems. The circuit operates from a single power supply over a wide range of voltages. The low power supply drain is independent of the magnitude of the power supply voltage. Application areas include transducer amplifiers, DC gain blocks and all the conventional op amp circuits which can now be more easily implemented in single power supply systems. For example, these circuits can be directly supplied from the standard 5 V which is used in logic systems and easily provides the required electronic interfaces without requiring any additional power supply. In linear mode, the input common-mode voltage range includes ground and the output voltage can also swing to ground, even though operated from a single power supply.

Features:

• Frequency compensation implemented internally
• Large DC voltage gain: 100 dB
• Wide bandwidth (unity gain): 1.1 MHz (temperature compensated)
• Very low supply current/amplifier, essentially independent of supply voltage
• Low input bias current: 20 nA (temperature compensated)
• Low input offset current: 2 nA
• Input common-mode voltage range includes negative rail
• Differential input voltage range equal to the power supply voltage
• Large output voltage swing 0 V to ((VCC+) -1.5 V)