Newsgroups: comp.robotics
Path: brunix!sgiblab!swrinde!elroy.jpl.nasa.gov!decwrl!netcomsv!netcom.com!reinhart
From: reinhart@netcom.com (Rodger Reinhart)
Subject: Sensor Interface Circuit
Message-ID: <reinhartCo21LK.My7@netcom.com>
Keywords: chip sensor interface
Organization: NETCOM On-line Communication Services (408 241-9760 guest)
Date: Sun, 10 Apr 1994 17:51:20 GMT
Lines: 47




The AT1000A is a single chip sensor interface circuit that has been used 
in pressure, acceleration, temperature and humidity applications.

AT1000A Sensor Interface Circuit				
                   ____________________________________
                  |   ____        _____       _____    | 
      D0    <---->|--| C  |      |     |     |     |---|--->  Iout1
      D1    <---->|--| O  |======| DAC |---->| MUX |   |
      D2    <---->|--| N  |      |_____|     |_____|---|--->  Iout2 
      D3    <---->|--| T  |                     |      | 
                  |  | R  |    _________        |      |
      Reset ----->|  | O  |   |         |       |      |
      Dclk  ---- >|  | L  |===|  12-bit |<------       |
                  |  |    |===|   A/D   |    _____     |
      Vpp   ----->|  | L  |===|         |   |     |----|---< Vinp
                  |  | O  |   |         |<--| Amp |    |
      Vdd   ----->|  | G  |   |_________|   |_____|----|---< Vinn
      Vss   ----->|  | I  |    _________               |
                  |  | C  |   |         |              |  
      RC    ----->|  |    |===|  EEPROM |              |
      UPRST <-----|  |____|   |_________|	       |
                  |____________________________________| 

20 PIN SOIC Package , 12-Bit A/D Converter , 64 Bits EEPROM memory
Programmable pulsed current source via EEPROM memory.
Three channel A/D: Iout1,Iout2, and Vdiff. Ratiometric operation

If you would like further information please contact.

Atmos Technology,Inc.  1060 Lincoln Av , San Jose Ca 95125
408-292-8066    Fax 408-292-8241

Rodger Reinhart	
reinhart@netcom.com





-- 
          Rodger Reinhart   reinhart@netcom.com
          Atmos Technology Inc
          1060 Lincoln Av
          San Jose, Ca 95125

