ssm2163p Analog Devices, Inc., ssm2163p Datasheet
ssm2163p
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ssm2163p Summary of contents
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... One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 617/329-4700 2 Audio Mixer SSM2163 ACOM AGND V OUTL V OUTR SYSTEM MUTE DATA OUT CLK DATA LD WRITE DGND © Analog Devices, Inc., 1995 Fax: 617/326-8703 ...
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SSM2163–SPECIFICATIONS ELECTRICAL SPECIFICATIONS Parameter AUDIO PERFORMANCE Noise Headroom Total Harmonic Distortion Plus Noise ANALOG INPUT Input Impedance VOLUME CONTROL Step Size Gain Error Gain Match Error Mute Attenuation ANALOG OUTPUT Output Impedance Output Current Minimum Resistive Load Maximum Capacitive Drive ...
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Timing Symbol Description t Input Clock Pulse Width CL t Input Clock Pulse Width CH t Data Setup Time DS t Data Hold Time DH t Positive CLK Edge to End of Write CW t Write to Clock Setup Time ...
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SSM2163 1 CLK 0 1 DATA WRITE CLK DATA WRITE 0 1 LOAD 0 1 SDO ...
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... Logic Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 mA Operating Temperature Range . . . . . . . . . . . . – +85 C Storage Temperature . . . . . . . . . . . . . . . . . . – +150 C Junction Temperature ( +150 C J Lead Temperature (Soldering, 60 sec +300 C THERMAL CHARACTERISTICS 2 Thermal Resistance 28-Pin Plastic DIP (SSM2163P C C/W JC 28-Pin SOIC (SSM2163S C C/W JC TRANSISTOR COUNT Number of Transistors ...
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SSM2163 Pin # Mnemonic Function 1 DGND Digital Ground Digital Negative Supply DATA OUT Serial data output clocked on positive clock edge. Connect DATA OUT to DATA IN pin to daisy-chain multiple SSM2163s. Output levels are ...
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LPF = 22kHz –60. 100k + –70.00 –80.00 20 100 1k FREQUENCY – Hz Figure 4. Frequency Response ...
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SSM2163 0dBu 0dB V LPF = 22kHz R = 100k 0 + 0.010 0.001 20 100 1k FREQUENCY – Hz Figure 8. THD+N vs. Frequency ...
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LOAD 100 Figure 14. Large Signal Transient Response 100 LOAD Figure 15. ...
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SSM2163 THEORY OF OPERATION The SSM2163 is an eight-input, two-output audio mixer and attenuator. The device provides eight analog inputs, each of which can be individually attenuated steps (see the SSM2163 ...
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0 AGND (NC) ACOM V– 0 DGND Figure 22a. Dual Supply stored in the attenuator control registers. ...
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SSM2163 MIXER MIXER SUMMING BUFFER AMP ATTENUATOR AMPLIFIER V MIXER IN SWITCH CHANNEL SELECT R1= Figure 23. Single-Supply Pseudo-Ground Reference (ACOM) Generator For single supply operation, the inputs can either be ac-coupled, as shown ...
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Mixing Additional Channels Some mixing applications require more than four inputs for each stereo channel. To meet the requirements of these systems, two or more SSM2163s can be paralleled to provide additional channels. A typical circuit is shown in Figure ...
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SSM2163 +V +5V 220µ OP279 V OUTL 50k SSM2163 220µ OP279 V OUTR 50k Figure 28. A Single-Supply Stereo Headphone Driver The op amp’s input offset voltage is only 4 mV maximum, ...
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Listing 1. Software for the 80C51-SSM2163 Serial Port Interface ; This subroutine loads an SSM2163 mixer channel with a 6-bit ; attenuator value, and turns the Left or Right mixer switch ON or OFF. ; The attenuator value is stored ...
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SSM2163 number stored in LEVEL_VALUE is the attenuation value, expressed in –dB, so larger values will decrease volume. Also, the register must not be allowed to increment beyond 7FH because the MSB will be set and the SSM2163 will interpret ...