Datasheet AD7864 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | High Speed, Low Power, 4-channel Simultaneous Sampling, 12-Bit ADC |
| 页数 / 页 | 29 / 7 — AD7864. ABSOLUTE MAXIMUM RATINGS. Table 3. Parameter Rating. ESD CAUTION |
| 修订版 | D |
| 文件格式/大小 | PDF / 683 Kb |
| 文件语言 | 英语 |
AD7864. ABSOLUTE MAXIMUM RATINGS. Table 3. Parameter Rating. ESD CAUTION
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文件文字版本
AD7864 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 Rating
rating only; functional operation of the device at these or any AVDD to AGND −0.3 V to +7 V other conditions above those indicated in the operational DVDD to DGND −0.3 V to +7 V section of this specification is not implied. Exposure to absolute AGND to DGND −0.3 V to +0.3 V maximum rating conditions for extended periods may affect AVDD to DVDD −0.3 V to +0.3 V device reliability. Analog Input Voltage to AGND AD7864-1 (±10 V Input Range) ±20 V
ESD CAUTION
AD7864-1 (±5 V Input Range) −7 V to +20 V AD7864-3 −7 V to +20 V AD7864-2 −1 V to +20 V 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 V DRIVE to AGND −0.3 V to AVDD + 0.3 V VDRIVE to DGND −0.3 V to DVDD + 0.3 V Operating Temperature Range Commercial (A and B Versions) −40°C to +85°C Storage Temperature Range −65°C to +150°C Junction Temperature 150°C MQFP Package, Power Dissipation 450 mW θJA Thermal Impedance 95°C/W Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C Rev. D | Page 6 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY THEORY OF OPERATION CONVERTER DETAILS Track-and-Hold Amplifiers Reference CIRCUIT DESCRIPTION ANALOG INPUT AD7864-1 AD7864-2 AD7864-3 SELECTING A CONVERSION SEQUENCE TIMING AND CONTROL Reading Between Each Conversion in the Conversion Sequence Reading After the Conversion Sequence USING AN EXTERNAL CLOCK STANDBY MODE OPERATION ACCESSING THE OUTPUT DATA REGISTERS OFFSET AND FULL-SCALE ADJUSTMENT POSITIVE FULL-SCALE ADJUST NEGATIVE FULL-SCALE ADJUST DYNAMIC SPECIFICATIONS SIGNAL-TO-NOISE RATIO (SNR) EFFECTIVE NUMBER OF BITS INTERMODULATION DISTORTION AC LINEARITY PLOTS MEASURING APERTURE JITTER MICROPROCESSOR INTERFACING AD7864 TO ADSP-2100/ADSP-2101/ADSP-2102 INTERFACE AD7864 TO TMS320C5x INTERFACE AD7864 TO MC68HC000 INTERFACE VECTOR MOTOR CONTROL MULTIPLE AD7864S IN A SYSTEM 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 Rating
rating only; functional operation of the device at these or any AVDD to AGND −0.3 V to +7 V other conditions above those indicated in the operational DVDD to DGND −0.3 V to +7 V section of this specification is not implied. Exposure to absolute AGND to DGND −0.3 V to +0.3 V maximum rating conditions for extended periods may affect AVDD to DVDD −0.3 V to +0.3 V device reliability. Analog Input Voltage to AGND AD7864-1 (±10 V Input Range) ±20 V
ESD CAUTION
AD7864-1 (±5 V Input Range) −7 V to +20 V AD7864-3 −7 V to +20 V AD7864-2 −1 V to +20 V 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 V DRIVE to AGND −0.3 V to AVDD + 0.3 V VDRIVE to DGND −0.3 V to DVDD + 0.3 V Operating Temperature Range Commercial (A and B Versions) −40°C to +85°C Storage Temperature Range −65°C to +150°C Junction Temperature 150°C MQFP Package, Power Dissipation 450 mW θJA Thermal Impedance 95°C/W Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C Rev. D | Page 6 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY THEORY OF OPERATION CONVERTER DETAILS Track-and-Hold Amplifiers Reference CIRCUIT DESCRIPTION ANALOG INPUT AD7864-1 AD7864-2 AD7864-3 SELECTING A CONVERSION SEQUENCE TIMING AND CONTROL Reading Between Each Conversion in the Conversion Sequence Reading After the Conversion Sequence USING AN EXTERNAL CLOCK STANDBY MODE OPERATION ACCESSING THE OUTPUT DATA REGISTERS OFFSET AND FULL-SCALE ADJUSTMENT POSITIVE FULL-SCALE ADJUST NEGATIVE FULL-SCALE ADJUST DYNAMIC SPECIFICATIONS SIGNAL-TO-NOISE RATIO (SNR) EFFECTIVE NUMBER OF BITS INTERMODULATION DISTORTION AC LINEARITY PLOTS MEASURING APERTURE JITTER MICROPROCESSOR INTERFACING AD7864 TO ADSP-2100/ADSP-2101/ADSP-2102 INTERFACE AD7864 TO TMS320C5x INTERFACE AD7864 TO MC68HC000 INTERFACE VECTOR MOTOR CONTROL MULTIPLE AD7864S IN A SYSTEM OUTLINE DIMENSIONS ORDERING GUIDE