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DSP102JP Datasheet(PDF) 6 Page - Burr-Brown (TI) |
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DSP102JP Datasheet(HTML) 6 Page - Burr-Brown (TI) |
6 / 22 page ® DSP101/102 6 DSP102 PIN ASSIGNMENTS PIN # NAME DESCRIPTION 1 VPOTA Channel A Trim Reference Out. 10 µF Tantalum to AGND. Voltage on this pin is approximately 2.75V. 2 VINA Channel A Analog In. 3 MSBA Channel A MSB Adjust In. 4 VOSA Channel A VOS Adjust In. 5VA– –5V Analog Power. 6VA+ +5V Analog Power. 7 DGND Digital Ground. 8 DGND Digital Ground. 9VD +5V Digital Power. 10 CLKIN Conversion Clock In. 11 CLKOUT Conversion Clock Out. Can drive multiple DSP101/ DSP102s to synchronize conversion. 12 SSF Select Synch Format In. If HIGH, SYNC will be active High. If LOW, SYNC will be active Low. See timing diagram (Figure 1). 13 OSC1 Oscillator Point 1 Input / External Clock In. If using external clock, drive with 74HC logic levels. Connect to DGND if not used. 14 OSC2 Oscillator Point 2 Output. Provides drive for crystal oscillator. Make no electrical connection if using external clock. 15 SYNC Data Synchronization Out. Active High when SSF is HIGH; active Low when SSF is LOW. 16 XCLK Data Transfer Clock In. 17 SOUTB Channel B Serial Data Out. MSB first, Binary Two’s Complement format. 18 TAGA Channel A User Tag In. Data clocked into this pin is appended to the conversion results of SOUTA. See timing diagram (Figure 1). 19 TAGB Channel B User Tag In. Data clocked into this pin is appended to the conversion results of SOUTB. See timing diagram (Figure 1). 20 SOUTA Channel A Serial Data Out. MSB first, Binary Two’s Complement format. If CASC is HIGH, 32 bits of data output, with first 16 bits being Channel A data. 21 CONV Convert Command In. Falling edge puts converter into hold state, initiates conversion, and transmits previous conversion results to DSP IC with appropriate SYNC pulse. 22 CASC Select Cascade Mode In. If HIGH, DSP102 transmits a 32-bit word on SOUTA, with the first 16 bits being data on Channel A. If LOW, DSP102 transmits data for both channels simultaneously. 23 VOSB Channel B VOS Adjust In. 24 MSBB Channel B MSB Adjust In. 25 VINB Channel B Analog In. 26 VPOTB Channel B Trim Reference Out. 10 µF Tantalum to AGND. Voltage on this pin is approximately 2.75V. 27 REF Reference Bypass. 0.1 µF Ceramic to AGND. Voltage on this pin is approximately 3.8V. 28 AGND Analog Ground. DSP102 PIN CONFIGURATION The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant any BURR-BROWN product for use in life support devices and/or systems. Top View DIP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VPOTA VINA MSBA VOSA V A– V A+ DGND DGND V D CLKIN CLKOUT SSF OSC1 OSC2 AGND REF VPOTB VINB MSBB VOSB CASC CONV SOUTA TAGB TAGA SOUTB XCLK SYNC DSP102 ORDERING INFORMATION NUMBER SIGNAL-TO- OF (NOISE + DIST.) RATIO MODEL CHANNELS dB min DSP101JP 1 83 DSP101KP 1 86 DSP102JP 2 83 DSP102KP 2 86 PACKAGE INFORMATION PACKAGE DRAWING MODEL PACKAGE NUMBER(1) DSP101JP 28-Pin Plastic DIP 215 DSP101KP 28-Pin Plastic DIP 215 DSP102JP 28-Pin Plastic DIP 215 DSP102KP 28-Pin Plastic DIP 215 NOTE: (1) For detailed drawing and dimension table, please see end of data sheet, or Appendix D of Burr-Brown IC Data Book. |
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