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WM8593 Datasheet(PDF) 8 Page - Wolfson Microelectronics plc |
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WM8593 Datasheet(HTML) 8 Page - Wolfson Microelectronics plc |
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8 / 98 page  WM8593 Product Preview w PP Rev 1.0 January 2007 8 RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Digital power supply DVDD 2.97 3.3 3.6 V Analogue power supply AVDD1 2.97 3.3 3.6 V Analogue power supply AVDD2 8.1 9 9.9 V Ground DGND/AGND1/ AGND2 0 V Operating temperature range TA -25 +85 °C Notes: 1. Digital supply (DVDD) must never be more than 0.3V greater than AVDD1 in normal operation. 2. Digital ground (DGND) and analogue grounds (AGND1, AGND2) must never be more than 0.3V apart. SUPPLY CURRENT CONSUMPTION PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Digital supply current IDVDD TBD mA Analogue supply current IAVDD1 TBD mA Analogue supply current IAVDD2 TBD mA Standby current TBD µA ELECTRICAL CHARACTERISTICS Test Conditions AVDD2=9V, AVDD1=DVDD=3.3V, AGND1=AGND2=0V, DGND=0V, TA=+25˚C, 1kHz signal, fs=48kHz, MCLK=256fs unless otherwise stated PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Digital logic levels Input low level VIL 0.3xDVDD V Input high level VIH 0.7xDVDD V Output low level VOL 0.1 x DVDD V Output high level VOH 0.9 x DVDD V Digital input leakage current TBD µA Digital input capacitance TBD pF Analogue Reference Levels ADC Midrail Voltage ADCVMID AVDD1/2 V ADC Buffered Positive Reference Voltage ADCREFP ADCVMID V DAC Midrail Voltage DACVMID DACREFP/2 V AVDD1 to ADCVMID ADCVMID to AGND1 100 kΩ Potential divider resistance DACVREFP to DACVMID DACVMID to DACVREFN VMID_SEL[1:0] = 01 50 (Note 2) kΩ Analogue Line Outputs Output signal level (0dB) TBD 2.0x AVDD2 / 9 TBD Vrms Maximum capacitance load 11 nF Minimum resistance load 1 kΩ Analogue Headphone Outputs Output signal level (0dB) RL = 32Ω TBD 0.8x AVDD2 / 9 TBD Vrms Minimum resistance load 16 Ω Analogue Inputs |
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