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See Technical Specifications

LM1971M

High-quality audio power

Manufacturer:

Texas Instruments
Mfr.Part #:

LM1971M
Datasheet:

LM1971M Datasheet (PDF)
Number of channels:

1
Power supply (V):

4.5 to 15
Gain & attenuation (dB):

0dB to -62dB with 1.0dB steps
THD + N at 1 kHz (%):

0.0008
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LM1971M General Description

The LM1971M is a precision digitally controlled potentiometer, commonly referred to as a digital potentiometer. It is manufactured by Texas Instruments. The device features 64 resistive elements, allowing it to function as a 64-tap digital potentiometer. It operates using a serial interface, enabling easy integration into various electronic systems. The LM1971M offers a high degree of accuracy and resolution, with typically low temperature coefficient performance. It can be used for a variety of applications where analog signal conditioning or adjustment is required, such as in audio equipment, instrumentation, and communication systems. With its small form factor and low power consumption, the LM1971M is suitable for portable and battery-operated devices as well. Additionally, the device incorporates nonvolatile memory, allowing it to retain its settings even when powered off, ensuring consistent performance across power cycles

Key Features

Precision logarithmic (log) taper volume control

Low distortion and noise

Wide supply range from ±2.5V to ±20V

Available in 8-pin PDIP and SOIC packages

Suitable for audio applications, such as volume control in audio systems

Compatible with stereo or mono operation

Application

The LM1971M is commonly used in audio volume control applications, such as in audio amplifiers, mixers, and AV receivers

It offers precise attenuation control, making it suitable for high-fidelity audio systems and professional audio equipment

Additionally, it finds applications in automotive audio systems and consumer electronics where accurate volume adjustment is required

Specifications

Number of channels	1	Power supply (V)	4.5 to 15
Gain & attenuation (dB)	0dB to -62dB with 1.0dB steps	THD + N at 1 kHz (%)	0.0008
Dynamic range (dB)	115	Operating temperature range (°C)	-40 to 85
Features	1 Channel, Digitally controlled audio attenuator