Datasheet AD7190 (Analog Devices) - 10
| 制造商 | Analog Devices |
| 描述 | 4.8 kHz Ultralow Noise 24-Bit Sigma-Delta ADC with PGA |
| 页数 / 页 | 41 / 10 — Data Sheet. AD7190. ABSOLUTE MAXIMUM RATINGS. THERMAL RESISTANCE. Table … |
| 修订版 | C |
| 文件格式/大小 | PDF / 689 Kb |
| 文件语言 | 英语 |
Data Sheet. AD7190. ABSOLUTE MAXIMUM RATINGS. THERMAL RESISTANCE. Table 3. Parameter. Rating. Table 4. Thermal Resistance. Package Type
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Data Sheet AD7190 ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
THERMAL RESISTANCE Table 3.
θJA is specified for the worst-case conditions, that is, a device
Parameter Rating
soldered in a circuit board for surface-mount packages. AVDD to AGND −0.3 V to +6.5 V
Table 4. Thermal Resistance
DVDD to AGND −0.3 V to +6.5 V
Package Type θJA θJC Unit
AGND to DGND −0.3 V to +0.3 V 24-Lead TSSOP 128 42 °C/W Analog Input Voltage to AGND −0.3 V to AVDD + 0.3 V Reference Input Voltage to AGND −0.3 V to AVDD + 0.3 V
ESD CAUTION
Digital Input Voltage to DGND −0.3 V to DVDD + 0.3 V Digital Output Voltage to DGND −0.3 V to DVDD + 0.3 V AIN/Digital Input Current 10 mA Operating Temperature Range −40°C to +105°C Storage Temperature Range −65°C to +150°C Maximum Junction Temperature 150°C Lead Temperature, Soldering Reflow 260°C Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Rev. C | Page 9 of 40 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Timing Characteristics Circuit and Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics RMS Noise and Resolution Sinc4 Chop Disabled Sinc3 Chop Disabled Sinc4 Chop Enabled Sinc3 Chop Enabled On-Chip Registers Communications Register Status Register Mode Register Configuration Register Data Register ID Register GPOCON Register Offset Register Full-Scale Register ADC Circuit Information Overview Filter, Output Data Rate, Settling Time Chop Disabled Chop Enabled 50 Hz/60 Hz Rejection Zero Latency Channel Sequencer Digital Interface Single Conversion Mode Continuous Conversion Mode Continuous Read Circuit Description Analog Input Channel PGA Bipolar/Unipolar Configuration Data Output Coding Clock Burnout Currents Reference Reference Detect Reset System Synchronization Temperature Sensor Bridge Power-Down Switch Logic Outputs Enable Parity Calibration Grounding and Layout Applications Information Weigh Scales Outline Dimensions Ordering Guide Automotive Products
TA = 25°C, unless otherwise noted.
THERMAL RESISTANCE Table 3.
θJA is specified for the worst-case conditions, that is, a device
Parameter Rating
soldered in a circuit board for surface-mount packages. AVDD to AGND −0.3 V to +6.5 V
Table 4. Thermal Resistance
DVDD to AGND −0.3 V to +6.5 V
Package Type θJA θJC Unit
AGND to DGND −0.3 V to +0.3 V 24-Lead TSSOP 128 42 °C/W Analog Input Voltage to AGND −0.3 V to AVDD + 0.3 V Reference Input Voltage to AGND −0.3 V to AVDD + 0.3 V
ESD CAUTION
Digital Input Voltage to DGND −0.3 V to DVDD + 0.3 V Digital Output Voltage to DGND −0.3 V to DVDD + 0.3 V AIN/Digital Input Current 10 mA Operating Temperature Range −40°C to +105°C Storage Temperature Range −65°C to +150°C Maximum Junction Temperature 150°C Lead Temperature, Soldering Reflow 260°C Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Rev. C | Page 9 of 40 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Timing Characteristics Circuit and Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics RMS Noise and Resolution Sinc4 Chop Disabled Sinc3 Chop Disabled Sinc4 Chop Enabled Sinc3 Chop Enabled On-Chip Registers Communications Register Status Register Mode Register Configuration Register Data Register ID Register GPOCON Register Offset Register Full-Scale Register ADC Circuit Information Overview Filter, Output Data Rate, Settling Time Chop Disabled Chop Enabled 50 Hz/60 Hz Rejection Zero Latency Channel Sequencer Digital Interface Single Conversion Mode Continuous Conversion Mode Continuous Read Circuit Description Analog Input Channel PGA Bipolar/Unipolar Configuration Data Output Coding Clock Burnout Currents Reference Reference Detect Reset System Synchronization Temperature Sensor Bridge Power-Down Switch Logic Outputs Enable Parity Calibration Grounding and Layout Applications Information Weigh Scales Outline Dimensions Ordering Guide Automotive Products