Datasheet AD7933, AD7934 (Analog Devices) - 8
| Hersteller | Analog Devices |
| Beschreibung | 4-Channel, 1.5 MSPS, 12-Bit Parallel ADC with a Sequencer |
| Seiten / Seite | 32 / 8 — AD7933/AD7934. ABSOLUTE MAXIMUM RATINGS. Table 5. Parameter Rating. ESD … |
| Revision | B |
| Dateiformat / Größe | PDF / 780 Kb |
| Dokumentensprache | Englisch |
AD7933/AD7934. ABSOLUTE MAXIMUM RATINGS. Table 5. Parameter Rating. ESD CAUTION
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AD7933/AD7934 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 5.
rating only; functional operation of the device at these or any
Parameter Rating
other conditions above those indicated in the operational VDD to AGND/DGND −0.3 V to +7 V section 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 AGND −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 (TSSOP) 97.9°C/W θJC Thermal Impedance (TSSOP) 14°C/W 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 8 of 32 Document Outline FEATURES FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS AD7933 SPECIFICATIONS AD7934 SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS 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 INPUTS 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 = 1, SEQ1 = 1) REFERENCE Digital Inputs VDRIVE Input PARALLEL INTERFACE Reading Data from the AD7933/AD7934 Writing Data to the AD7933/AD7934 POWER MODES OF OPERATION Normal Mode (PM1 = PM0 = 0) Autoshutdown (PM1 = 0; PM0 = 1) Autostandby (PM1 = 1; PM0 = 0) Full Shutdown Mode (PM1 = 1; PM0 = 1) POWER vs. THROUGHPUT RATE MICROPROCESSOR INTERFACING AD7933/AD7934 to ADSP-21xx Interface AD7933/AD7934 to ADSP-21065L Interface AD7933/AD7934 to TMS32020, TMS320C25, and TMS320C5x Interface AD7933/AD7934 to 80C186 Interface APPLICATION HINTS GROUNDING AND LAYOUT EVALUATING THE AD7933/AD7934 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE
AD7933/AD7934 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 5.
rating only; functional operation of the device at these or any
Parameter Rating
other conditions above those indicated in the operational VDD to AGND/DGND −0.3 V to +7 V section 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 AGND −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 (TSSOP) 97.9°C/W θJC Thermal Impedance (TSSOP) 14°C/W 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 8 of 32 Document Outline FEATURES FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS AD7933 SPECIFICATIONS AD7934 SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS 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 INPUTS 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 = 1, SEQ1 = 1) REFERENCE Digital Inputs VDRIVE Input PARALLEL INTERFACE Reading Data from the AD7933/AD7934 Writing Data to the AD7933/AD7934 POWER MODES OF OPERATION Normal Mode (PM1 = PM0 = 0) Autoshutdown (PM1 = 0; PM0 = 1) Autostandby (PM1 = 1; PM0 = 0) Full Shutdown Mode (PM1 = 1; PM0 = 1) POWER vs. THROUGHPUT RATE MICROPROCESSOR INTERFACING AD7933/AD7934 to ADSP-21xx Interface AD7933/AD7934 to ADSP-21065L Interface AD7933/AD7934 to TMS32020, TMS320C25, and TMS320C5x Interface AD7933/AD7934 to 80C186 Interface APPLICATION HINTS GROUNDING AND LAYOUT EVALUATING THE AD7933/AD7934 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE