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LM358AM

Dual general-purpose op-amp, 3-32V single supply, 1.1MHz GBW, SOIC-8

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Pieza del fabricante：

LM358AM

Paquete：

SOIC-8 (M) (4.9 x 3.9 x 1.58 mm)

Marca：
Categorías de productos：
Compromiso de calidad
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Descripción

Productos

The LM358AM from Texas Instruments is a dual general-purpose operational amplifier featuring low power consumption, wide supply voltage range, and unity-gain compensation. It consists of two independent, high-gain, internally frequency-compensated op-amps designed to operate from a single supply over a range of 3V to 32V (or split supplies of +/-1.5V to +/-16V). The ‘M’ suffix indicates the SOIC-8 surface-mount package, suitable for automated PCB assembly.

Especificaciones

Supply Voltage Range 3V to 32V (single), +/-1.5V to +/-16V (dual)
Número de canales 2 (dual)
Producto ganancia-ancho de banda 1.1MHz
Velocidad de giro 0.5V/us typical
Tensión de offset de entrada 2mV typical, 7mV max
Corriente de polarización de entrada 45nA typical
Corriente de salida 20mA typical (source/sink)
Supply Current 0.7mA typical (both amplifiers)
Temperatura de funcionamiento -40 to 85°C
Paquete SOIC-8 (M suffix)

Características

  • Single-supply operation: 3V to 32V
  • Frecuencia compensada internamente para una estabilidad de ganancia unitaria
  • Low input bias current: 45nA typical
  • Large output voltage swing: 0V to VCC-1.5V
  • Low supply current drain: 0.7mA for both amplifiers
  • Common-mode input range includes ground (single-supply operation)
  • ESD protection on all pins

Aplicaciones

  • Signal conditioning and amplification
  • Active filters and integrators
  • Voltage followers and buffers
  • Comparator and oscillator circuits
  • Power supply bias and reference circuits

The LM358AM from Texas Instruments is one of the most widely used dual operational amplifiers in the electronics industry. As a member of the LM358 family, it provides two independent, high-gain, internally compensated op-amps in a single SOIC-8 package. Its key advantage is single-supply operation from 3V to 32V, with the common-mode input range including ground, eliminating the need for a negative supply in many applications. The low supply current of 0.7mA for both amplifiers makes it ideal for battery-powered and low-power designs. The internal compensation ensures stability without external components in unity-gain configurations.

The LM358AM uses a classic two-stage op-amp architecture with an input differential pair, gain stage, and output buffer. The input stage uses PNP transistors in a differential configuration, allowing the common-mode input range to extend down to ground (0V) in single-supply operation. The gain stage provides the high open-loop gain (approximately 100dB), while the internal compensation capacitor ensures stability with 100% feedback (unity gain). The output stage uses a class AB push-pull configuration that can both source and sink current, though the sinking capability is limited compared to sourcing. The output can swing to within approximately 1.5V of the positive supply rail and to ground in single-supply operation, making it suitable for DC-coupled applications.

Pin Nombre Tipo Función
1 1OUT Salida Amplifier 1 output
2 1IN- Entrada Amplifier 1 inverting input
3 1IN+ Entrada Amplifier 1 non-inverting input
4 GND / V- Potencia Ground or negative supply
5 2IN+ Entrada Amplifier 2 non-inverting input
6 2IN- Entrada Amplifier 2 inverting input
7 2OUT Salida Amplifier 2 output
8 V+ Potencia Positive supply (3-32V)
  • Single-supply signal conditioning for sensors (thermistors, photodiodes, strain gauges)
  • Active low-pass, high-pass, and band-pass filter circuits
  • DC bias and reference voltage generation in power supply circuits
  • Window comparator and level detection circuits
  • Audio preamplifier and line driver in consumer electronics
Fabricante Número de pieza Paquete Notas
TI LM358AP DIP-8 Through-hole version, same specs
TI LMV358IDGKR VSSOP-8 Low voltage (2.7-5.5V), rail-to-rail output
Microchip MCP6002-I/SN SOIC-8 1.8-6V, rail-to-rail, low power
ST LM358DT SOIC-8 Pin-compatible equivalent
ON Semi LM358DR2G SOIC-8 AEC-Q100 qualified automotive version
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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