TL441

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Amplificador logarítmico con factor de escala de 8 mV/década

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Hoja de datos

document-pdfAcrobat Logarithmic Amplifier datasheet (Inglés)

TL441

ACTIVO

Hoja de datos

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Detalles del producto

Vs (±) (min) (V)

6

Vs (±) (max) (V)

16

Iq (max) (mA)

23

Dynamic range (typ) (dB)

120

Operating temperature range (°C)

0 to 70

Rating

Catalog

Vs (±) (min) (V)

6

Vs (±) (max) (V)

16

Iq (max) (mA)

23

Dynamic range (typ) (dB)

120

Operating temperature range (°C)

0 to 70

Rating

Catalog

PDIP (N)

16

181.42 mm² (19.3 mm × 9.4 mm)

SOP (NS)

16

79.56 mm² (10.2 mm × 7.8 mm)

Excellent Dynamic Range
Wide Bandwidth
Built-In Temperature Compensation
Log Linearity (30-dB Sections)...1 dB Typ
Wide Input Voltage Range

Excellent Dynamic Range
Wide Bandwidth
Built-In Temperature Compensation
Log Linearity (30-dB Sections)...1 dB Typ
Wide Input Voltage Range

This amplifier circuit contains four 30-dB logarithmic stages. Gain in each stage is such that the output of each stage is proportional to the logarithm of the input voltage over the 30-dB input voltage range. Each half of the circuit contains two of these 30-dB stages summed together in one

differential output that is proportional to the sum of the logarithms of the input voltages of the two stages. The four stages may be interconnected to obtain a theoretical input voltage range of 120-dB. In practice, this permits the input voltage range typically to be greater than 80-dB with log linearity of ± 0.5-dB (see application data). Bandwidth is from dc to 40 MHz.

This circuit is useful in data compression and analog compensation. This logarithmic amplifier is used in log IF circuitry as well as video and log amplifiers.

The TL441 is characterized for operation over 0°C to 70°C.

This amplifier circuit contains four 30-dB logarithmic stages. Gain in each stage is such that the output of each stage is proportional to the logarithm of the input voltage over the 30-dB input voltage range. Each half of the circuit contains two of these 30-dB stages summed together in one

differential output that is proportional to the sum of the logarithms of the input voltages of the two stages. The four stages may be interconnected to obtain a theoretical input voltage range of 120-dB. In practice, this permits the input voltage range typically to be greater than 80-dB with log linearity of ± 0.5-dB (see application data). Bandwidth is from dc to 40 MHz.

This circuit is useful in data compression and analog compensation. This logarithmic amplifier is used in log IF circuitry as well as video and log amplifiers.

The TL441 is characterized for operation over 0°C to 70°C.

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Documentación principal	Tipo	Título	Opciones de formato	Descargar la versión más reciente en inglés	Fecha
*	Hoja de datos	Logarithmic Amplifier datasheet			18/10/2000

TL441

Amplificador logarítmico con factor de escala de 8 mV/década

TL441

Detalles del producto

Productos similares que pueden interesarle

Misma funcionalidad con diferente configuración de pines que el dispositivo comparado

Documentación técnica

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