Datasheet AD7693 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | 16-Bit, ±0.5 LSB, 500 kSPS PulSAR® Differential A/D Converter in MSOP/QFN |
| 页数 / 页 | 25 / 5 — AD7693. Data Sheet. Table 3. Parameter. Conditions/Comments. Min. Typ. … |
| 修订版 | C |
| 文件格式/大小 | PDF / 750 Kb |
| 文件语言 | 英语 |
AD7693. Data Sheet. Table 3. Parameter. Conditions/Comments. Min. Typ. Max. Unit
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AD7693 Data Sheet
VDD = 4.5 V to 5.5 V, VIO = 2.3 V to VDD, VREF = VDD, all specifications TMIN to TMAX, unless otherwise noted.
Table 3. Parameter Conditions/Comments Min Typ Max Unit
REFERENCE Voltage Range 0.5 VDD + 0.3 V Load Current 500 kSPS, REF = 5 V 100 µA SAMPLING DYNAMICS −3 dB Input Bandwidth 9 MHz Aperture Delay VDD = 5V 2.5 ns DIGITAL INPUTS Logic Levels VIL −0.3 +0.3 × VIO V VIH 0.7 × VIO VIO + 0.3 V IIL −1 +1 µA IIH −1 +1 µA DIGITAL OUTPUTS Data Format Serial 16 bits, twos complement Pipeline Delay1 VOL ISINK = +500 µA 0.4 V VOH ISOURCE = −500 µA VIO − 0.3 V POWER SUPPLIES VDD Specified performance 4. 5 5.5 V VIO Specified performance 2.3 VDD + 0.3 V VIO Range 1.8 VDD + 0.3 V Standby Current2, 3 VDD and VIO = 5 V, 25°C 1 50 nA Power Dissipation 100 SPS throughput 5 µW 100 kSPS throughput 4 mW 500 kSPS throughput 18 21.5 mW Energy per Conversion 40 nJ TEMPERATURE RANGE4 Specified Performance TMIN to TMAX −40 +85 °C 1 Conversion results available immediately after completed conversion. 2 With all digital inputs forced to VIO or GND as required. 3 During acquisition phase. 4 Contact an Analog Devices sales representative for the extended temperature range. Rev. B | Page 4 of 24 Document Outline Features Applications Application Diagram General Description Table of Contents Revision History Specification Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Terminology Typical Performance Characteristics Theory of Operation Circuit Information Converter Operation Transfer Functions Typical Connection Diagram Analog Inputs Driver Amplifier Choice Single-Ended-to-Differential Driver Voltage Reference Input Power Supply Supplying the ADC from the Reference Digital Interface /CS Mode, 3-Wire Without Busy Indicator /CS Mode, 3-Wire with Busy Indicator /CS Mode, 4-Wire Without Busy Indicator /CS Mode, 4-Wire with Busy Indicator Chain Mode Without Busy Indicator Chain Mode with Busy Indicator Application Hints Layout Evaluating the AD7693 Performance Outline Dimensions Ordering Guide
AD7693 Data Sheet
VDD = 4.5 V to 5.5 V, VIO = 2.3 V to VDD, VREF = VDD, all specifications TMIN to TMAX, unless otherwise noted.
Table 3. Parameter Conditions/Comments Min Typ Max Unit
REFERENCE Voltage Range 0.5 VDD + 0.3 V Load Current 500 kSPS, REF = 5 V 100 µA SAMPLING DYNAMICS −3 dB Input Bandwidth 9 MHz Aperture Delay VDD = 5V 2.5 ns DIGITAL INPUTS Logic Levels VIL −0.3 +0.3 × VIO V VIH 0.7 × VIO VIO + 0.3 V IIL −1 +1 µA IIH −1 +1 µA DIGITAL OUTPUTS Data Format Serial 16 bits, twos complement Pipeline Delay1 VOL ISINK = +500 µA 0.4 V VOH ISOURCE = −500 µA VIO − 0.3 V POWER SUPPLIES VDD Specified performance 4. 5 5.5 V VIO Specified performance 2.3 VDD + 0.3 V VIO Range 1.8 VDD + 0.3 V Standby Current2, 3 VDD and VIO = 5 V, 25°C 1 50 nA Power Dissipation 100 SPS throughput 5 µW 100 kSPS throughput 4 mW 500 kSPS throughput 18 21.5 mW Energy per Conversion 40 nJ TEMPERATURE RANGE4 Specified Performance TMIN to TMAX −40 +85 °C 1 Conversion results available immediately after completed conversion. 2 With all digital inputs forced to VIO or GND as required. 3 During acquisition phase. 4 Contact an Analog Devices sales representative for the extended temperature range. Rev. B | Page 4 of 24 Document Outline Features Applications Application Diagram General Description Table of Contents Revision History Specification Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Terminology Typical Performance Characteristics Theory of Operation Circuit Information Converter Operation Transfer Functions Typical Connection Diagram Analog Inputs Driver Amplifier Choice Single-Ended-to-Differential Driver Voltage Reference Input Power Supply Supplying the ADC from the Reference Digital Interface /CS Mode, 3-Wire Without Busy Indicator /CS Mode, 3-Wire with Busy Indicator /CS Mode, 4-Wire Without Busy Indicator /CS Mode, 4-Wire with Busy Indicator Chain Mode Without Busy Indicator Chain Mode with Busy Indicator Application Hints Layout Evaluating the AD7693 Performance Outline Dimensions Ordering Guide