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CS6422 Fiches technique(PDF) 7 Page - Cirrus Logic |
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CS6422 Fiches technique(HTML) 7 Page - Cirrus Logic |
7 / 48 page CS6422 7 ANALOG TRANSMISSION CHARACTERISTICS (T A = -40°C to 85 oC, DVDD = AVDD = 5 V, f XTAL =20.480 MHz, RVol=TVol=RGain=TGain= 0 dB, HDD=TSD=RSD=1, analog inputs and outputs loaded with resistors and capacitors as shown in the typical connection diagram, Figure 4) MICROPHONE AMPLIFIER (T A = 25°C, DVDD = AVDD = 5 V, fXTAL = 20.480 MHz) DIGITAL CHARACTERISTICS (T A = 25°C, DVDD = AVDD = 5 V,fXTAL = 20.480 MHz) Parameter Symbol Min Typ Max Units Idle Channel Noise C-Message weighted (0-4 kHz) (Inputs grounded C-Message weighted (0-4 kHz) through a capacitor) Psophometrically weighted (0-4 kHz) -80 11 -78 -72 dBV dBrnC0 dBm0p Signal-to-Noise Ratio C-Message weighted (0-4 kHz) (1.0 Vrms, 1 kHz sine wave input) SNR 72 80 dB Total Harmonic Distortion C-Message weighted (0-4 kHz) (1.0 Vrms, 1 kHz sine wave input) THD 0.030 0.1 % Programmable Analog Gain RGain/TGain = 00 RGain/TGain = 01 RGain/TGain = 10 RGain/TGain = 11 0 6 9.5 12 dB Volume Control Stepsize (TVol/RVol) 3 dB ADC Full-scale Voltage Input 0.9 1.0 Vrms DAC Full-scale Voltage Output 1.0 1.2 Vrms ADC Noise Floor C-Message weighted (0-4 kHz) -83 dBV DAC Noise Floor, DAC muted C-Message weighted (0-4 kHz) -83 dBV Parameter Symbol Min Typ Max Units Gain (Zsource = 50Ω)Amic 34 dB Signal-to-Noise Ratio C-Message weighted (0-4 kHz) SNRm 70 dB Input Impedance Zinm 8k Ω Input Offset Voltage Voffm 2.12 V Parameter Symbol Min Typ Max Units High-Level Input Voltage VIH DVDD-1.0 V Low-Level Input Voltage VIL 1.0 V Input Leakage Current Ileak 10 µA Input Capacitance CIN 5pF CS6422 DS295F1 7 |
Numéro de pièce similaire - CS6422 |
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Description similaire - CS6422 |
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