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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CS42L52 датащи(PDF) 16 Page - Cirrus Logic |
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CS42L52 датащи(HTML) 16 Page - Cirrus Logic |
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16 / 82 page  16 DS680A1 CS42L52 ANALOG OUTPUT CHARACTERISTICS (AUTOMOTIVE - DNZ) (Test conditions (unless otherwise specified): Input test signal is a full-scale 997 Hz sine wave; VL = VD = VHP = 1.8 V; TA = -40 to +85°C; Measurement bandwidth is 10 Hz to 20 kHz; Sample Frequency = 48 kHz and 96 kHz; test load RL = 10 kΩ, CL = 10 pF for the line output (see Figure 2), and test load RL = 16 Ω, CL = 10 pF (see Figure 2) for the headphone output. HPGAIN[2:0] = 011.) 8. See Figure 2. RL and CL reflect the recommended minimum resistance and maximum capacitance re- quired for the internal op-amp's stability and signal integrity. In this circuit topology, CL will effectively move the band-limiting pole of the amp in the output stage. Increasing this value beyond the recom- mended 150 pF can cause the internal op-amp to become unstable. VA = 2.37 - 2.5 V VA = 1.65 - 1.89 V Parameters (Note 6) Min Typ Max Min Typ Max Unit RL = 10 kΩ Dynamic Range 18 to 24-Bit A-weighted unweighted 16-Bit A-weighted unweighted 90 87 - - 98 95 96 93 - - - - 87 84 - - 95 92 93 90 - - - - dB dB dB dB Total Harmonic Distortion + Noise 18 to 24-Bit 0 dB -20 dB -60 dB 16-Bit 0 dB -20 dB -60 dB - - - - - - -86 -75 -35 -86 -73 -33 -78 - -27 - - - - - - - - - -88 -72 -32 -88 -70 -30 -80 - -24 - - - dB dB dB dB dB dB RL = 16 Ω Dynamic Range 18 to 24-Bit A-weighted unweighted 16-Bit A-weighted unweighted 90 87 - - 98 95 96 93 - - - - 87 84 - - 95 92 93 90 - - - - dB dB dB dB Total Harmonic Distortion + Noise 18 to 24-Bit 0 dB -20 dB -60 dB 16-Bit 0 dB -20 dB -60 dB - - - - - - -75 -75 -35 -75 -73 -33 -67 - -27 - - - - - - - - - -75 -72 -32 -75 -70 -30 -67 - -24 - - - dB dB dB dB dB dB Other Characteristics for RL = 16 Ω or 10 kΩ Output Parameters Modulation Index (MI) (Note 7) Analog Gain Multiplier (G) - 0.6787 0.6047 - - 0.6787 0.6047 - Full-scale Output Voltage (2•G•MI•VA) (Note 7) Refer to the table in “Line Output Voltage Level Charac- teristics” on page 18 Vpp Full-scale Output Power (Note 7) Refer to the table in “Headphone Output Power Characteristics” on page 19 Interchannel Isolation (1 kHz) 16 Ω 10 k Ω - - 80 95 - - - - 80 93 - - dB dB Speaker Amp to HP Amp Isolation - 80 - - 80 - dB Interchannel Gain Mismatch - 0.1 0.25 - 0.1 0.25 dB Gain Drift - ±100 - - ±100 - ppm/°C AC-Load Resistance (RL) (Note 8) 16 - - 16 - - Ω Load Capacitance (CL) (Note 8) - - 150 - - 150 pF |
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