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TC534CKW Scheda tecnica(PDF) 5 Page - TelCom Semiconductor, Inc |
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TC534CKW Scheda tecnica(HTML) 5 Page - TelCom Semiconductor, Inc |
5 / 15 page 3-51 TELCOM SEMICONDUCTOR, INC. 7 6 5 4 3 1 2 8 PIN DESCRIPTION Pin No. Pin No. Pin No Pin No. (TC530 (TC530 (TC534 (TC534 28-Pin 28-Pin 40-Pin 44-Pin PDIP, 300 Mil.) SOIC) PDIP) PQFP) Symbol Description 11 1 40 VSS Analog Output. Negative power supply converter output and reservoir capacitor connection. This output can be used to provide negative bias to other devices in the system. 22 2 41 CINT Analog Output. Integrator capacitor connection and integrator output. 33 3 42 CAZ Analog Input. Auto Zero capacitor connection. 4 4 4 43 BUF Analog Output. Integrator capacitor connection and voltage buffer output. 5 5 5 2 ACOM Analog Input. This pin is ground for all of the analog switches in the A/D converter. It is grounded for most applications. ACOM and the input common pin (V – IN or Chx –) should be within the common mode range, CMR. 66 6 3 C – REF Analog Input. Reference cap negative connection. 77 7 4 C + REF Analog Input. Reference cap positive connection. 88 8 5 V – REF Analog Input. External voltage reference negative connection. 99 9 6 V + REF Analog Input. External voltage reference positive connection. Not Used Not Used 10 7 CH4– Analog Input. Multiplexer channel 4 negative differential analog input. Not Used Not Used 11 8 CH3– Analog Input. Multiplexer channel 3 negative differential analog input. Not Used Not Used 12 9 CH2– Analog Input. Multiplexer channel 2 negative differential analog input. Not Used Not Used 13 10 CH1– Analog Input. Multiplexer channel 1 negative differential analog input. Not Used Not Used 14 11 CH4+ Analog Input. Multiplexer channel 4 positive differential analog input. Not Used Not Used 15 12 CH3+ Analog Input. Multiplexer channel 3 positive differential analog input. Not Used Not Used 16 13 CH2+ Analog Input. Multiplexer channel 2 positive differential analog input. Not Used Not Used 17 14 CH1+ Analog Input. Multiplexer channel 1 positive differential analog input. 10 10 Not Used Not Used V – IN Analog Input. Negative differential analog voltage input. 11 11 Not Used Not Used V + IN Analog Input. Positive differential analog voltage input. 12 12 18 15 DGND Analog Input. Ground connection for serial port circuit. Not Used Not Used 19 16 A1 Logic Level Input. Multiplexer address MSB. Not Used Not Used 20 17 A0 Logic Level Input. Multiplexer address LSB. 14 14 21 18 OSCOUT Analog Input. Timebase for state machine. This pin connects to one side of an AT-cut crystal having an effective series resistance of 100 Ω (typ) and a parallel capacitance of 20pF If an external frequency source is used to clock the TC530/534, this pin must be left floating. 5V PRECISION DATA ACQUISITION SUBSYSTEMS TC530 TC534 |
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