LM1971MX/NOPB National Semiconductor, LM1971MX/NOPB Datasheet
LM1971MX/NOPB
Specifications of LM1971MX/NOPB
*LM1971MX/NOPB
LM1971MX
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LM1971MX/NOPB Summary of contents
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... Key Specifications n Total harmonic distortion > n Frequency response Typical Application FIGURE 1. Typical Audio Attenuator Application Circuit Overture ™ trademark of National Semiconductor Corporation. © 2002 National Semiconductor Corporation Audio Attenuator Series n Attenuation range (excluding mute) n Dynamic range n Mute attenuation Features n 3-wire serial interface ...
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Connection Diagram www.national.com Dual-In-Line Plastic or Surface Mount Package 01235302 Top View Order Number LM1971M or LM1971N See NS Package Number M08A or N08E 2 ...
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... Absolute Maximum Ratings 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Voltage at any pin (GND −0.2V ESD Susceptibility (Note 4) Soldering Information N Package (10s) M Package Vapor Phase (60s) Infrared (15s) ...
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Pin Descriptions V IN (1): The V IN pin provides the reference for the REF REF analog input signal. This pin should be biased at half of the supply voltage shown in Figure 1 and Figure 6. ...
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Typical Performance Characteristics THD + N vs Freq and Amp THD + N vs Amplitude Mute Attenuation vs Frequency (Continued) Noise Floor Spectrum by FFT 01235314 01235316 01235318 5 01235315 THD + N vs Amplitude 01235317 THD vs Freq by ...
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Typical Performance Characteristics THD vs Freq by FFT Application Information SERIAL DATA FORMAT The LM1971 uses a 3-wire serial communication format that is easily controlled by a microcontroller. The timing for the 3-wire set, comprised of DATA, CLOCK, and LOAD ...
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Application Information *Note: Load and clock falling edges can be coincident, however, the clock falling edge cannot be delayed more than 20 ns from the falling edge of load preferrable that the falling edge of clock occurs before ...
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Application Information ATTENUATION STEP SCHEME The fundamental attenuation step scheme for the LM1971 is shown in Figure also possible to obtain any integer value attenuation step through programming, in addition to the 2 dB and 4 dB ...
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Application Information quency power supply fluctuations, a smaller capacitor (0.01 µF–0.1 µF) could be added in parallel to the 10 µF capacitor. FIGURE 6. Higher Performance Active Half-Supply Buffering FIGURE 7. Active Reference with Active Gain Buffering LOGARITHMIC GAIN AMPLIFIER ...
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Physical Dimensions unless otherwise noted 8-Lead (0.150" Wide) Molded Small Outline Package, JEDEC www.national.com inches (millimeters) Order Number LM1971M NS Package Number M08A 10 ...
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... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...