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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8994ECS/R датащи(PDF) 18 Page - Cirrus Logic |
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WM8994ECS/R датащи(HTML) 18 Page - Cirrus Logic |
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18 / 363 page  WM8994 18 Rev 4.6 OUTPUT DRIVER CHARACTERISTICS Test Conditions The following electrical characteristics are valid across the full range of recommended operating conditions. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Line Output Driver (LINEOUT1P, LINEOUT1N, LINEOUT2P, LINEOUT2N) Load resistance 2 k Ω Load capacitance Direct connection 100 pF Connection via 1k Ω series resistor 2000 Output discharge resistance LINEOUTn_DISCH=1, VROI=0 8 k Ω LINEOUTn_DISCH=1, VROI=1, LINEOUTn_ENA=0 500 Ω Headphone Output Driver (HPOUT1L, HPOUT1R) Load resistance Normal operation 15 Ω Device survival with load applied indefinitely (see note 6) 100 m Ω Load capacitance 2 nF DC offset across load DC Servo complete TBD mV Earpiece Output Driver (HPOUT2L, HPOUT2R) Load resistance 15 Ω Load capacitance Direct connection 200 pF DC offset across load ±5 mV Speaker Output Driver (SPKOUTLP, SPKOUTLN, SPKOUTRP, SPKOUTRN) Load resistance Stereo Mode (SPKMODE=0), Class AB 8 Ω Stereo Mode (SPKMODE=0), Class D 4 Mono Mode (SPKMODE=1) 4 DC offset across load ±5 mV SPKVDD leakage current Sum of ISPKVDD1 + ISPKVDD2 1 µA Note 6: In typical applications, the PCB trace resistance, jack contact resistance and ESR of any series passive components (eg. inductor or ferrite bead) are sufficient to provide this minimum resistance; additional series components are not required. |
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