LMC1983CIV National Semiconductor, LMC1983CIV Datasheet
LMC1983CIV
Specifications of LMC1983CIV
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LMC1983CIV Summary of contents
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... LMC1983’s SELECT OUT/SELECT IN external processor loop. Features n Low noise and distortion Block Diagram DNR ® registered trademark of National Semiconductor Corporation. Dolby ® registered trademark of Dolby Labs. © 1999 National Semiconductor Corporation DS011279 n Three pairs of stereo inputs n Loudness compensation n 40 position 2 dB/step volume attenuator plus mute ...
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... Seconds) V Package, (Vapor Phase, 60 Seconds) Infrared, (15 Seconds) 15V ESD Susceptability (Note 0.2V Operating Ratings 5 mA Temperature Range 20 mA LMC1983CIN, LMC1983CIV 500 mW Supply Voltage Range (V +125˚C −65˚C to +150˚ kHz, input signal (300 mV) applied to INPUT 1, volume = 0 dB, bass = IN Conditions = 0 rms ...
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Electrical Characteristics + The following specifications apply for V 0 dB, treble = 0 dB, and loudness is off unless otherwise specified. All limits apply for T Symbol Parameter All Volume Attenuation Settings from Channel-to-Channel 0100010XXX100110 (76 dB) to Tracking ...
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Electrical Characteristics Note 5: Human body model; 100 pF discharged through a 1 +25˚C and represent the most likely parametric norm. Note 6: Typicals are Note 7: Limits are guaranteed to National’s AOQL (Average Outgoing ...
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... Equal Bass and Treble Control Settings DS011279-20 Connection Diagram Top View Order Number LMC1983CIN See NS Package Number N28B (Continued) Loudness Response vs Frequency DS011279-21 DS011279-2 Order Number LMC1983CIV See NS Package Number V28A 5 Select Input Impedance vs Frequency DS011279-22 DS011279-10 Top View www.national.com ...
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Pin Description CLK (1) The INTERMETAL (IM) Bus clock is applied to the CLOCK pin. This input accepts a TTL or CMOS level signal. The input is used to clock the DATA signal. A data bit must be valid on ...
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General Information (Continued) Application Information INPUT SELECTOR The LMC1983’s input selector and mode control are shown in Figure 2 . The input selector selects one of three stereo signal sources or a mute function with typical attenuation of 100 dB. ...
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Application Information at lower output levels. If the load impedance is DC-coupled, an increased quiescent current can flow. Latch-up may occur if the total emitter current exceeds 5 mA. Thus, maximum output voltage can be increased and much lower distortion ...
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Application Information (Continued) TABLE 1. IM Bus Programming Codes for LMC1983 Address Function (A7–A0) 01000000 Input Select + Mute 01000001 Loudness 01000010 Bass 01000011 Treble 01000100 Left Volume 01000101 Right Volume 01000110 Mode Select 01000111 Read Digital Input 1 or ...
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Application Information EXTERNAL SIGNAL PROCESSING The SELECT OUT pins (7 and 22) enable greater system design flexibility by providing a means to implement an ex- ternal processing loop. This loop can be used for noise re- duction circuits such as ...
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Application Information (Continued) FIGURE 4. The Tone Control Amplifier Increasing the values of C2 and C3 decreases the turnover and inflection frequencies: i.e., the Tone Control Response Curves shown in Typical Performance Curves will shift left when C2 and C3 ...
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Application Information no affect on a respective control. They are necessary to properly position the data in the LMC1983’s internal data shift register. Unexpected results may take place if these bits are not sent. The LMC1983’s internal data shift register ...
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... Physical Dimensions inches (millimeters) unless otherwise noted Order Number LMC1983CIN NS Package Number N28B Order Number LMC1983CIV NS Package Number V28A 13 www.national.com ...
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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 ...