Datasheet AD7863 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | Simultaneous Sampling Dual 175 kSPS 14-Bit A/D Converter |
| 页数 / 页 | 25 / 7 — AD7863. ABSOLUTE MAXIMUM RATINGS. Table 3. Parameter Ratings. ESD CAUTION |
| 修订版 | B |
| 文件格式/大小 | PDF / 458 Kb |
| 文件语言 | 英语 |
AD7863. ABSOLUTE MAXIMUM RATINGS. Table 3. Parameter Ratings. ESD CAUTION
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文件文字版本
AD7863 ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
Table 3.
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress
Parameter Ratings
rating only; functional operation of the device at these or any VDD to AGND −0.3 V to +7 V other conditions above those indicated in the operational VDD to DGND −0.3 V to +7 V section of this specification is not implied. Exposure to absolute Analog Input Voltage to AGND maximum rating conditions for extended periods may affect AD7863-10 ±17 V device reliability. AD7863-3 ±7 V AD7863-2 7 V
ESD CAUTION
Reference Input Voltage to AGND −0.3 V to VDD + 0.3 V Digital Input Voltage to DGND −0.3 V to VDD + 0.3 V Digital Output Voltage to DGND −0.3 V to VDD + 0.3 V Operating Temperature Range Commercial (A Version and B Version) −40°C to +85°C Storage Temperature Range −65°C to +150°C Junction Temperature 150°C SOIC Package, Power Dissipation 450 mW θJA Thermal Impedance 71.40°C/W θJC Thermal Impedance 23.0°C/W Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C SSOP Package, Power Dissipation 450 mW θJA Thermal Impedance 109°C/W θJC Thermal Impedance 39.0°C/W Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C Rev. B | Page 6 of 24 Document Outline FEATURES GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY CONVERTER DETAILS TRACK-AND-HOLD SECTION REFERENCE SECTION CIRCUIT DESCRIPTION ANALOG INPUT SECTION OFFSET AND FULL-SCALE ADJUSTMENT Positive Full-Scale Adjust (−10 Version) Negative Full-Scale Adjust (−10 Version) TIMING AND CONTROL Read Options OPERATING MODES MODE 1 OPERATION Normal Power, High Sampling Performance MODE 2 OPERATION Power-Down, Auto-Sleep After Conversion AD7863 DYNAMIC SPECIFICATIONS SIGNAL-TO-NOISE RATIO (SNR) EFFECTIVE NUMBER OF BITS TOTAL HARMONIC DISTORTION (THD) INTERMODULATION DISTORTION PEAK HARMONIC OR SPURIOUS NOISE DC LINEARITY PLOT POWER CONSIDERATIONS MICROPROCESSOR INTERFACING AD7863 TO ADSP-2100 INTERFACE AD7863 TO ADSP-2101/ADSP-2102 INTERFACE AD7863 TO TMS32010 INTERFACE AD7863 TO TMS320C25 INTERFACE AD7863 TO MC68000 INTERFACE AD7863 TO 80C196 INTERFACE VECTOR MOTOR CONTROL MULTIPLE AD7863S APPLICATIONS HINTS PC BOARD LAYOUT CONSIDERATIONS GROUND PLANES POWER PLANES SUPPLY DECOUPLING OUTLINE DIMENSIONS ORDERING GUIDE
TA = 25°C, unless otherwise noted.
Table 3.
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress
Parameter Ratings
rating only; functional operation of the device at these or any VDD to AGND −0.3 V to +7 V other conditions above those indicated in the operational VDD to DGND −0.3 V to +7 V section of this specification is not implied. Exposure to absolute Analog Input Voltage to AGND maximum rating conditions for extended periods may affect AD7863-10 ±17 V device reliability. AD7863-3 ±7 V AD7863-2 7 V
ESD CAUTION
Reference Input Voltage to AGND −0.3 V to VDD + 0.3 V Digital Input Voltage to DGND −0.3 V to VDD + 0.3 V Digital Output Voltage to DGND −0.3 V to VDD + 0.3 V Operating Temperature Range Commercial (A Version and B Version) −40°C to +85°C Storage Temperature Range −65°C to +150°C Junction Temperature 150°C SOIC Package, Power Dissipation 450 mW θJA Thermal Impedance 71.40°C/W θJC Thermal Impedance 23.0°C/W Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C SSOP Package, Power Dissipation 450 mW θJA Thermal Impedance 109°C/W θJC Thermal Impedance 39.0°C/W Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C Rev. B | Page 6 of 24 Document Outline FEATURES GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY CONVERTER DETAILS TRACK-AND-HOLD SECTION REFERENCE SECTION CIRCUIT DESCRIPTION ANALOG INPUT SECTION OFFSET AND FULL-SCALE ADJUSTMENT Positive Full-Scale Adjust (−10 Version) Negative Full-Scale Adjust (−10 Version) TIMING AND CONTROL Read Options OPERATING MODES MODE 1 OPERATION Normal Power, High Sampling Performance MODE 2 OPERATION Power-Down, Auto-Sleep After Conversion AD7863 DYNAMIC SPECIFICATIONS SIGNAL-TO-NOISE RATIO (SNR) EFFECTIVE NUMBER OF BITS TOTAL HARMONIC DISTORTION (THD) INTERMODULATION DISTORTION PEAK HARMONIC OR SPURIOUS NOISE DC LINEARITY PLOT POWER CONSIDERATIONS MICROPROCESSOR INTERFACING AD7863 TO ADSP-2100 INTERFACE AD7863 TO ADSP-2101/ADSP-2102 INTERFACE AD7863 TO TMS32010 INTERFACE AD7863 TO TMS320C25 INTERFACE AD7863 TO MC68000 INTERFACE AD7863 TO 80C196 INTERFACE VECTOR MOTOR CONTROL MULTIPLE AD7863S APPLICATIONS HINTS PC BOARD LAYOUT CONSIDERATIONS GROUND PLANES POWER PLANES SUPPLY DECOUPLING OUTLINE DIMENSIONS ORDERING GUIDE