SSM2018TPZ Analog Devices Inc, SSM2018TPZ Datasheet
SSM2018TPZ
Specifications of SSM2018TPZ
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SSM2018TPZ 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 Low External Parts Count Low Cost GENERAL ...
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SSM2018T–SPECIFICATIONS ELECTRICAL SPECIFICATIONS circuit with 18 k resistors, –V floating, and Class AB gain core bias (R IN specifications apply C.) A Parameter AUDIO PERFORMANCE Noise Headroom Total Harmonic Distortion plus Noise INPUT AMPLIFIER Bias Current ...
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ABSOLUTE MAXIMUM RATINGS Supply Voltage Dual Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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SSM2018T–Typical Performance Characteristics 0 + 15V 18k +20dB 0.010 AV = –20dB AV = 0dB 0.001 20 100 1k FREQUENCY – Hz TPC 1. SSM2018T THD + N ...
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15V S 400 300 200 100 0 10 100 1k FREQUENCY – Hz TPC 7. SSM2018T Noise Density vs. Frequency (Unity Gain, Referred to Input +25 C ...
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SSM2018T –20 –40 –60 –80 100 1k 10k 100k FREQUENCY – Hz TPC 13. SSM2018T 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 TPC 19. SSM2018T Gain Constant vs. Temperature – + 15V S –29 –30 –31 –32 –33 –80 ...
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SSM2018T APPLICATIONS The SSM2018T is a trimless Voltage Controlled Amplifier (VCA) for volume control in audio systems. The SSM2018T is identi- cal to the original SSM2018 in functionality and pinout; how- ever the first professional quality audio VCA ...
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COMP 2 COMPENSATION –IN +IN V– shown later in the data sheet. Thus, for the Basic VCA circuit or the OVCE circuit, COMP3 should be left open. A compensation capacitor does need to be added between COMP1 and COMP2. Because ...
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SSM2018T Proper Operating Mode for the SSM2018T The SSM2018T has the flexibility of operating in either Class A or Class AB. This is accomplished by adjusting the amount of current flowing in the gain core (I in Figure 2). The ...
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As explained above, the gain constant has a –3500 ppm/∞C that is due to its reciprocal dependence on absolute temperature. This will cause the gain to vary over the temperature range from –40∞C to +85∞C when the ...
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SSM2018T If a symmetry trim performed, it should precede the control feedthrough trim and be done as follows: 1. Apply a 1 kHz sine wave of 10 dBu to the input with the control voltage set for ...
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Plastic DIP (N-16) Package 16 9 0.280 (7.11) PIN 1 0.240 (6.10 0.840 (21.33) 0.745 (18.93) 0.060 (1.52) 0.210 0.015 (0.38) (5.33) MAX 0.160 (4.06) 0.115 (2.93) SEATING 0.070 (1.77) 0.022 (0.558) 0.100 (2.54) PLANE 0.045 (1.15) ...
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