SSM2018TS AD [Analog Devices], SSM2018TS Datasheet
SSM2018TS
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SSM2018TS Summary of contents
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FEATURES 117 dB Dynamic Range 0.006% Typical THD kHz, Unity Gain) 140 dB Gain Range No External Trimming Required Differential Inputs Complementary Gain Outputs Buffered Control Port I–V Converter On-Chip (SSM2018T) Differential Current Outputs (SSM2118T) Low External ...
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SSM1018T/SSM2118T–SPECIFICATIONS ELECTRICAL SPECIFICATIONS circuit with 18 k resistors, –V floating, and Class AB gain core bias (R IN specifications apply +25 C.] A Parameter 1 AUDIO PERFORMANCE Noise Headroom Total Harmonic Distortion plus Noise INPUT AMPLIFIER Bias ...
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... V+ 2 – SSM2018T 4 –I 1–G COMP 1 5 (Not to Scale) +IN 6 –IN 7 COMP 2 8 Model SSM2018TP SSM2018TS SSM2118TP SSM2118TS *N = Plastic DIP SOL. V OUT V– V– 150k 18k V V CONTROL IN IN– 18k SSM2118T Typical Application Circuit – ...
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SSM2018T/SSM2118T–Typical Characteristics 0 + 15V 18k F 0.010 AV = –20dB AV = 0dB 0.001 20 100 1k FREQUENCY – Hz Figure 1. SSM2018T THD + N Frequency (80 kHz Low-Pass ...
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15V S 400 300 200 100 0 10 100 1k FREQUENCY – Hz Figure 7. SSM2018T Noise Density vs. Frequency R = 18k + ...
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SSM2018T/SSM2118T–Typical Characteristics –20 –40 –60 –80 100 1k 10k 100k FREQUENCY – Hz Figure 13. SSM2018T Gain vs. Frequency 0 + 18k +20dB V 0.010 ...
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0.01 0.001 SUPPLY VOLTAGE – Volts Figure 19. SSM2118T THD + N vs. Supply Voltage ( dB rms kHz, 80 ...
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SSM2018T/SSM2118T –20 –40 –60 –80 100 1k 10k 100k FREQUENCY – Hz Figure 25. SSM2118T Gain vs. Frequency 0.06 0. 10dBu IN 0. –20dB V AND V = –10dBu IN 0.03 A ...
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V = 15V S –25 –30 –35 –40 –40 – TEMPERATURE – C Figure 31. SSM2018T and SSM2118T Gain Constant vs. Temperature – + 15V S –29 –30 –31 –32 ...
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SSM2018T/SSM2118T APPLICATIONS The SSM2018T is a trimless Voltage Controlled Amplifier (VCA) for volume control in audio systems. The SSM2018T is identical to the original SSM2018 in functionality and pinout; however the first professional quality audio VCA in the ...
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COMP 2 2 COMPENSATION NETWORK 7 –IN +IN 6 V– 10 Figure 38. SSM2018T Detailed Functional Diagram same is true for the inverting input, which is connected to Pin 1. The overall feedback ensures that the current flowing through the ...
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SSM2018T/SSM2118T COMP COMPENSATION 7 –IN 6 +IN V– 10 Figure 40. SSM2118T Detailed Functional Diagram –0 +6.0 V. The negative compliance is much smaller be- cause the gain core transistors (Q1 and Q3) begin to ...
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Boltzmann’s constant = T 1.38E-23 electron charge = 1.6E-19, and T = absolute temperature in Kelvin). This temperature dependency leads to the –3500 ppm/ C drift of the control law. It ...
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SSM2018T/SSM2118T 1µF 2k CONTROL V C VOLTAGE 1k * 3500ppm/ C *PRECISION RESISTOR CO 10601 75 3500ppm/ C LARGO, FL 34647 (813) 541-5771 Figure 42. Two TCRs Compensate for Temperature Drift of Gain Constant 50pF R1 R3 CONTROL ...
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SSM2018T 18k IN IN– 18k 8 9 47pF V+ V+ 100k OP176 10 F 100k ...
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SSM2018T/SSM2118T Voltage Controlled Panner An interesting circuit that is built with the OVCE building block is a voltage controlled panner. Figure 48 shows the feedback connection for the circuit. Notice that the average of both out- puts is fed back ...