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WM5620CD 数据表(PDF) 3 Page - Wolfson Microelectronics plc |
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WM5620CD 数据表(HTML) 3 Page - Wolfson Microelectronics plc |
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3 / 14 page  Wolfson Microelectronics 3 WM5620L, WM5620 Electrical Characteristics: WM5620 Electrical Characteristics: WM5620L VDD = 3V, GND = 0 V, VREF =1.25 V, RL = 10 k Ω, CL = 100 pF, TA = full range, unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Power Supply Supply current IDD VDD = 3.3V 2 mA Static Accuracy Resolution 8 Bits Monotonicity 8 Bits Differential Nonlinearity DNL VREF = 1.25 V, Range x 2. (note 3) ± 0.9 LSB Integral Nonlinearity INL VREF = 1.25 V, Range x 2. (note 4) ± 1.0 LSB Zero-code error ZCE VREF = 1.25 V, Range x 2. (note 5) 0 30 mV Zero-code error Input code = 00 Hex (note 6) 10 µV/OC temperature coefficient Full scale error FSE VREF = 1.25 V, Range x 2. (note 8) ± 60 mV Full scale error Input code = FF Hex (note 9) ± 25 µV/OC temperature coefficient Output sink current IO(SINK) Each DAC output 20 µA Output source current IO(SOURCE) 1mA Ref. input current IREF VDD = 3.3V; Vref = 1.5V ±10 µA PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Digital Inputs High level input current IIH VI = VDD ±10 µA Low level input current IIL VI = 0V ±10 µA Input capacitance CI 15 pF Timing Parameters Data input setup time tSD 50 ns Data input hold time tHD 50 ns CLK to Load tHL 50 ns Load to CLK tSL 50 ns Load duration tWL 250 ns LDAC duration tWD 250 ns Load to LDAC tLD 0ns Electrical Characteristics: WM5620 & WM5620L VDD = 2.7V to 5.5V, GND = 0 V, RL = 10 k Ω, CL = 100 pF, TA = full range, unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Full scale error FSE VREF = 2 V, Range x 2. (note 8) ± 60 mV Full scale error Input code = FF Hex (note 9) ± 25 µV/OC temperature coefficient Full scale error supply Input code= FF Hex, 0.5 mV/V rejection (note 10) Output sink current IO(SINK) Each DAC output 20 µA Output source current IO(SOURCE) 2mA Reference input current IREF VDD=5V, VREF=2V ± 10 µA VDD = 5V ±5%, GND = 0 V, VREF = 2 V, RL = 10 k Ω, CL = 100 pF, TA = full range, unless otherwise stated. |
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