Datasheet AD7934-6 (Analog Devices) - 7

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AD7934-6 ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress
Table 4.
rating only; functional operation of the device at these or any
Parameter Rating
other conditions above those listed in the operational sections VDD to AGND/DGND −0.3 V to +7 V of this specification is not implied. Exposure to absolute VDRIVE to AGND/DGND −0.3 V to VDD + 0.3 V maximum rating conditions for extended periods may affect Analog Input Voltage to AGND −0.3 V to V device reliability. DD + 0.3 V Digital Input Voltage to DGND −0.3 V to +7 V VDRIVE to VDD −0.3 V to VDD + 0.3 V Digital Output Voltage to DGND −0.3 V to VDRIVE + 0.3 V
ESD CAUTION
VREFIN to AGND −0.3 V to VDD + 0.3 V AGND to DGND −0.3 V to +0.3 V Input Current to Any Pin Except Supplies1 ±10 mA Operating Temperature Range Commercial (B Version) −40°C to +85°C Storage Temperature Range −65°C to +150°C Junction Temperature 150°C θJA Thermal Impedance 97.9°C/W (TSSOP) θJC Thermal Impedance 14°C/W (TSSOP) Lead Temperature, Soldering Reflow Temperature (10 sec to 30 sec) 255°C ESD 1.5 kV 1 Transient currents of up to 100 mA do not cause SCR latch-up. Rev. B | Page 6 of 28 Document Outline FEATURES FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY CONTROL REGISTER SEQUENCER OPERATION Writing to the Control Register to Program the Sequencer CIRCUIT INFORMATION CONVERTER OPERATION ADC TRANSFER FUNCTION TYPICAL CONNECTION DIAGRAM ANALOG INPUT STRUCTURE ANALOG INPUT CONFIGURATIONS Single-Ended Mode Differential Mode Driving Differential Inputs Using an Op Amp Pair Pseudo Differential Mode ANALOG INPUT SELECTION Traditional Multichannel Operation (SEQ0 = SEQ1 = 0) Using the Sequencer: Consecutive Sequence (SEQ0 = SEQ1 = 1) REFERENCE Digital Inputs VDRIVE Input PARALLEL INTERFACE Reading Data from the AD7934-6 Writing Data to the AD7934-6 POWER MODES OF OPERATION Normal Mode (PM1 = PM0 = 0) Autoshutdown Mode (PM1 = 0; PM0 = 1) Autostandby Mode (PM1 = 1; PM0 = 0) Full Shutdown Mode (PM1 = 1; PM0 = 1) POWER vs. THROUGHPUT RATE MICROPROCESSOR INTERFACING AD7934-6 to ADSP-21xx Interface AD7934-6 to ADSP-21065L Interface AD7934-6 to TMS32020, TMS320C25, and TMS320C5x Interface AD7934-6 to 80C186 Interface APPLICATION HINTS GROUNDING AND LAYOUT EVALUATING THE AD7934-6 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE