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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8993 датащи(PDF) 14 Page - Wolfson Microelectronics plc |
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WM8993 датащи(HTML) 14 Page - Wolfson Microelectronics plc |
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14 / 229 page  WM8993 Production Data w PD, November 2010, Rev 4.0 14 Test Conditions DCVDD = 1.2V, AVDD2 = DBVDD = CPVDD = 1.8V, AVDD1 = 3.0V, SPKVDD = 5V, DGND=AGND=CPGND=SPKGND=0V, TA = +25 oC, 1kHz sinusoidal signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Input Programmable Gain Amplifiers (PGAs) IN1L, IN2L, IN1R and IN2R C1 Minimum Programmable Gain -16.5 dB C2 Maximum Programmable Gain 30 dB C3 Programmable Gain Step Size Guaranteed monotonic 1.5 dB C4 Mute Attenuation Inputs disconnected 90 dB C5 Common Mode Rejection Ratio (217Hz input) Single PGA in differential mode, gain = +30dB 70 dB Single PGA in differential mode, gain = 0dB 60 dB Single PGA in differential mode, gain = -16.5dB 55 dB Input Mixers MIXINL and MIXINR C6 Minimum Programmable Gain PGA Outputs to MIXINL and MIXINR 0 dB C7 Maximum Programmable Gain PGA Outputs to MIXINL and MIXINR +30 dB C8 Programmable Gain Step Size PGA Outputs to MIXINL and MIXINR 30 dB C9 Minimum Programmable Gain Line Inputs and Record path to MIXINL and MIXINR -12 dB C10 Maximum Programmable Gain Line Inputs and Record path to MIXINL and MIXINR +6 dB C11 Programmable Gain Step Size Line Inputs and Record path to MIXINL and MIXINR 3 dB C12 Minimum Programmable Gain RXVOICE to MIXINL and MIXINR -12 dB C13 Maximum Programmable Gain RXVOICE to MIXINL and MIXINR +6 dB C14 Programmable Gain Step Size RXVOICE to MIXINL and MIXINR 3 dB C16 Common Mode Rejection Ratio (217Hz input) RXVOICE to MIXINL or MIXINR, gain = +6dB 60 dB RXVOICE to MIXINL or MIXINR, gain = 0dB 65 dB RXVOICE to MIXINL or MIXINR, gain = -12dB 65 dB Output Mixers MIXOUTL and MIXOUTR C17 Minimum Programmable Gain -21 dB C18 Maximum Programmable Gain 0 dB C19 Programmable Gain Step Size 3 dB C20 Mute attenuation -67 dB Speaker Mixers SPKMIXL and SPKMIXR C21 Minimum Programmable Gain -15 dB C22 Maximum Programmable Gain 0 dB C23 Programmable Gain Step Size 3 dB C24 Mute attenuation -67 dB Output Programmable Gain Amplifiers (PGAs) HPOUT1LVOL, HPOUT1RVOL, MIXOUTLVOL, MIXOUTRVOL, SPKLVOL and SPKRVOL C25 Minimum Programmable Gain -57 dB C26 Maximum Programmable Gain +6 dB C27 Programmable Gain Step Size Guaranteed monotonic 1 dB C28 Mute attenuation -69 dB Line Output Driver Programmable Gain LINEOUT1NMIX, LINEOUT1PMIX, LINEOUT2NMIX and LINEOUT2PMIX C29 Minimum Programmable Gain -6 dB C30 Maximum Programmable Gain 0 dB C31 Programmable Gain Step Size 6 dB |
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