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WM8198SCDS/R 数据表(PDF) 7 Page - Wolfson Microelectronics plc |
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WM8198SCDS/R 数据表(HTML) 7 Page - Wolfson Microelectronics plc |
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7 / 31 page ![]() WM8198 Production Data w PD Rev 4.0 June 2004 7 Test Conditions AVDD = DVDD1 = 5.0, DVDD2 = 3.3, AGND = DGND = 0V, TA = 25 °C, MCLK = 12MHz unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Programmable Gain Amplifier Resolution (PGAMODE=0) 9 bits Gain (PGAMODE=0) 0] : PGA[8 566 416 − V/V Max gain, each channel (PGAMODE=0) GMAX 7.5 V/V Min gain, each channel (PGAMODE=0) GMIN 0.74 V/V Gain error, each channel (PGAMODE=0) 1 % Resolution (PGAMODE=1) 9 bits Gain (PGAMODE=1) 511 4 0] : PGA[8 1 × + V/V Max gain, each channel (PGAMODE=1) GMAX 5 V/V Min gain, each channel (PGAMODE=1) GMIN 1 V/V Gain error, each channel (PGAMODE=1) 1 % Analogue to Digital Converter Resolution 16 bits Speed 6 MSPS Full-scale input range (2*(VRT-VRB)) 3 V DIGITAL SPECIFICATIONS Digital Inputs High level input voltage VIH 0.8 ∗ DVDD2 V Low level input voltage VIL 0.2 ∗ DVDD2 V High level input current IIH 1 µA Low level input current IIL 1 µA Input capacitance CI 5 pF Digital Outputs High level output voltage VOH IOH = 1mA DVDD2 - 0.5 V Low level output voltage VOL IOL = 1mA 0.5 V High impedance output current IOZ 1 µA Digital IO Pins Applied high level input voltage VIH 0.8 ∗ DVDD2 V Applied low level input voltage VIL 0.2 ∗ DVDD2 V High level output voltage VOH IOH = 1mA DVDD2 - 0.5 V Low level output voltage VOL IOL = 1mA 0.5 V Low level input current IIL 1 µA High level input current IIH 1 µA Input capacitance CI 5 pF High impedance output current IOZ 1 µA |
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