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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CS4299 датащи(PDF) 5 Page - Cirrus Logic |
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CS4299 датащи(HTML) 5 Page - Cirrus Logic |
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5 / 52 page  CS4299 5 1. CHARACTERISTICS AND SPECIFICATIONS ANALOG CHARACTERISTICS Standard test conditions unless otherwise noted: T ambient = 25° C, AVdd = 5.0 V ±5%, DVdd = 3.3 V ±5%; 1 kHz Input Sine wave; Sample Frequency, Fs = 48 kHz; ZAL=100 kΩ/ 1000 pF load, CDL = 18 pF load (Note 1); Measurement bandwidth is 20 Hz - 20 kHz, 18-bit linear coding for ADC functions, 20-bit linear coding for DAC functions; Mixer registers set for unity gain. Notes: 1. ZAL refers to the analog output pin loading and CDL refers to the digital output pin loading. 2. Parameter definitions are given in the Section 10, Parameter and Term Definitions. 3. Path refers to the signal path used to generate this data. These paths are defined in the Section 10, Parameter and Term Definitions. 4. This specification is guaranteed by silicon characterization, it is not production tested. Parameter (Note 2) Symbol Path (Note 3) CS4299-KQ CS4299-JQ Unit Min Typ Max Min Typ Max Full Scale Input Voltage Line Inputs Mic Inputs Mic Inputs (20 dB internal gain) A-D A-D A-D 0.91 0.91 0.091 1.00 1.00 0.10 - - - 0.91 0.91 0.091 1.00 1.00 0.10 - - - VRMS VRMS VRMS Full Scale Output Voltage Line,Alternate Line, and Mono Outputs D-A 0.91 1.0 1.13 0.91 1.0 1.13 VRMS Frequency Response (Note 4) Analog Ac = ± 0.25 dB DAC Ac = ± 0.25 dB ADC Ac = ± 0.25 dB FR A-A D-A A-D 20 20 20 - - - 20,000 20,000 20,000 20 20 20 - - - 20,000 20,000 20,000 Hz Hz Hz Dynamic Range Stereo Analog inputs to LINE_OUT Mono Analog inputs to LINE_OUT DAC Dynamic Range ADC Dynamic Range DR A-A A-A D-A A-D 90 85 85 85 95 90 90 90 - - - - - - - - 90 85 87 85 - - - - dB FS A dB FS A dB FS A dB FS A DAC SNR (-20 dB FS input w/ CCIR-RMS filter on output) SNR D-A - 70 -- -- dB Total Harmonic Distortion + Noise (-3 dB FS input signal): Line/Alternate Line Output DAC ADC (all inputs except phone/mic) ADC (phone/mic) THD+N A-A D-A A-D A-D - - - - -90 -91 -88 -84 -80 -80 -80 -74 - - - - - - - - -74 -74 -74 -74 dB FS dB FS dB FS dB FS Power Supply Rejection Ratio (1 kHz, 0.5 VRMS w/ 5 V DC offset)(Note 4) 40 60 - - 40 - dB Interchannel Isolation 70 88 - - 88 - dB Spurious Tone (Note 4) - -100 - - -100 - dB FS Input Impedance (Note 4) 10 - - 10 - - k Ω External Load Impedance 10 - - 10 - - k Ω Output Impedance (Note 4) - 730 - - 730 - Ω Input Capacitance (Note 4) - 5 - - 5 - pF Vrefout 2.0 2.28 2.5 2.0 2.28 2.5 V |
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