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WM0838CDW Datasheet(PDF) 3 Page - Wolfson Microelectronics plc |
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WM0838CDW Datasheet(HTML) 3 Page - Wolfson Microelectronics plc |
3 / 16 page Wolfson Microelectronics 3 WM0834, WM0838 Electrical Characteristics (5V) VCC = 5.0V, VREF = 5V, fCLK = 250 KHz, TA = TMIN to TMAX , tr = tf = 20ns, unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Digital Inputs High level output voltage VOH VCC = 4.75 V, IOH = -360 mA 2.4 V VCC = 4.75 V, IOH = -10 mA 4.5 V Low level output voltage VOL VCC = 5.25 V, IOH = 1.6 mA 0.4 V High level input current IIH VIH = 5 V 0.005 1 µA Low level input current IIL VIL = 0 V -0.005 -1 µA High level output (source) IOH VOH = 0 V -6.5 -24 mA current Low level output (sink) current IOL VOL = VCC 826 mA High impedance-state IOZ VO = 5 V 0.01 3 µA output current (DO) VO = 0 V -0.01 -3 µA Input capacitance Ci 5pF Output capacitance Co 5pF Converter and Multiplexer Total unadjusted error TUE VREF = 5 V. (note 7) ±1 LSB Differential Linearity (note 8) 8 Bits Supply voltage variation error Vs(error) VCC = 4.75 V to 5.25 V ±1/16 ±1/4 LSB Common mode error Differential mode ±1/16 ±1/4 LSB Common mode input voltage VICR (note 9) GND-0.05 V range VCC+0.05 Standby input leakage II(stdby) On-channel VI = 5 V at ON ch. 1 µA current (note 10) Off-channel VI = 0 V at OFF ch. -1 µA On-channel VI = 0 V at ON ch. -1 µA Off-channel VI = 5 V at OFF ch. 1 µA Conversion time tconv Excluding MUX addressing time 8 clock periods Reference Inputs Input resistance to Ri(REF) 1.3 2.4 5.9 k Ω reference ladder Total device Supply current ICC 0.6 1.25 mA Timing Parameters Setup time, CS low or tsu 350 ns data valid before clock Hold time, data valid after th 90 ns clock Propagation delay time, MSB data first. CL = 100 pF 1500 ns output data after clock tpd LSB data first. CL = 100 pF 600 ns Output disable time, DO tdis CL = 10 pF, RL = 10 k Ω 125 250 ns after CS CL = 100 pF, RL = 2 k Ω 500 ns |
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