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AS5043ASST 数据表(PDF) 2 Page - ams AG |
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AS5043ASST 数据表(HTML) 2 Page - ams AG |
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2 / 36 page  AS5043 Data Sheet - Pin Configuration www.austriamicrosystems.com Revision 1.80 2 – 36 5 Pin Configuration Figure 2: AS5043 Pin Configuration SSOP16 MagRngn Prog_DI VSS DO NC CLK CSn VDD5V DACref DACout FB Vout NC NC 1 4 3 2 13 12 11 10 9 8 7 6 5 16 15 14 Mode VDD3V3 Package = SSOP16 (16 lead Shrink Small Outline Package) Table 1: Pin Description SSOP16 Pin Symbol Type Description 1 MagRngn DO_OD Magnet Field Magnitude RaNGe warning; active low, indicates that the magnetic field strength is outside of the recommended limits. 2 Mode DI_PD, ST Mode input. Select between low noise (low, connect to VSS) and high speed (high, connect to VDD5V) mode at power up. Internal pull-down resistor. 3 CSn DI_PU, ST C hip Select, active low; Schmitt-Trigger input, internal pull-up resistor (~50k Ω) 4 CLK DI,ST Cl ock Input of Synchronous Serial Interface; Schmitt-Trigger input 5 NC - must be left unconnected 6 DO DO_T D ata Output of Synchronous Serial Interface 7 VSS S Negative Supply Voltage (GND) 8 Prog_DI DI_PD OTP Programming Input and Data Input for Daisy Chain mode. Internal pull-down resistor (~74k Ω). Should be connected to VSS if programming is not used 9 DACref AI DAC Ref erence voltage input for external reference 10 DACout AO DAC out put (unbuffered, Ri ~8k Ω) 11 FB AI F eedback, OPAMP inverting input 12 Vout AO OPAMP output 13 NC - Must be left unconnected 14 NC - Must be left unconnected 15 VDD3V3 S 3V-Regulator Output for internal core, regulated from VDD5V.Connect to VDD5V for 3V supply voltage. Do not load externally. 16 VDD5V S Positive Supply Voltage, 3.0 to 5.5 V DO_OD digital output open drain S supply pin AI analog input DI_PD digital input pull-down DO_T digital output /tri-state AO analog output DI_PU digital input pull-up ST Schmitt-trigger input DI digital input |
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