Datasheet AD7684 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 16-Bit, 100 kSPS PulSAR®, Differential ADC in MSOP |
| 页数 / 页 | 17 / 4 — AD7684. SPECIFICATIONS. Table 2. Parameter. Conditions. Min Typ. Max Unit |
| 修订版 | A |
| 文件格式/大小 | PDF / 336 Kb |
| 文件语言 | 英语 |
AD7684. SPECIFICATIONS. Table 2. Parameter. Conditions. Min Typ. Max Unit
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AD7684 SPECIFICATIONS
VDD = 2.7 V to 5.5 V; VREF = VDD; TA = −40°C to +85°C, unless otherwise noted.
Table 2. Parameter Conditions Min Typ Max Unit
RESOLUTION 16 Bits ANALOG INPUT Voltage Range1 +IN − (−IN) −VREF +VREF V Absolute Input Voltage +IN, −IN −0.1 VDD + 0.1 V Common-Mode Input Range +IN, −IN 0 VREF/2 VREF/2 + 0.1 V Analog Input CMRR fIN = 100 kHz 65 dB Leakage Current at 25°C Acquisition phase 1 nA Input Impedance See the Analog Inputs section THROUGHPUT SPEED Complete Cycle 10 μs Throughput Rate 0 100 kSPS DCLOCK Frequency 0 2.9 MHz REFERENCE Voltage Range 0.5 VDD + 0.3 V Load Current 100 kSPS, V+IN = V−IN = VREF/2 = 2.5 V 50 μA DIGITAL INPUTS Logic Levels VIL −0.3 0.3 × VDD V VIH 0.7 × VDD VDD + 0.3 V IIL −1 +1 μA IIH −1 +1 μA Input Capacitance 5 pF DIGITAL OUTPUTS Data Format Serial 16 bits twos complement VOH ISOURCE = −500 μA VDD − 0.3 V VOL ISINK = +500 μA 0.4 V POWER SUPPLIES VDD Specified performance 2.7 5.5 V VDD Range2 2.0 5.5 V Operating Current 100 kSPS throughput VDD = 5 V 800 μA VDD = 2.7 V 560 μA Standby Current3, 4 VDD = 5 V, 25°C 1 50 nA Power Dissipation VDD = 5 V 4 6 mW VDD = 2.7 V 1.5 mW VDD = 2.7 V, 10 kSPS throughput3 150 μW TEMPERATURE RANGE Specified Performance TMIN to TMAX −40 +85 °C 1 The inputs must be driven differentially 180° from each other. See Pin Configuration and Function Descriptions and Analog Inputs sections. 2 See the Typical Performance Characteristics section for more information. 3 With all digital inputs forced to VDD or GND, as required. 4 During acquisition phase. Rev. A | Page 3 of 16 Document Outline FEATURES APPLICATIONS APPLICATION DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS Timing Diagrams ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY TYPICAL PERFORMANCE CHARACTERISTICS APPLICATION INFORMATION CIRCUIT INFORMATION CONVERTER OPERATION TRANSFER FUNCTIONS TYPICAL CONNECTION DIAGRAM ANALOG INPUTS DRIVER AMPLIFIER CHOICE VOLTAGE REFERENCE INPUT POWER SUPPLY DIGITAL INTERFACE LAYOUT EVALUATING THE PERFORMANCE OF THE AD7684 OUTLINE DIMENSIONS ORDERING GUIDE
AD7684 SPECIFICATIONS
VDD = 2.7 V to 5.5 V; VREF = VDD; TA = −40°C to +85°C, unless otherwise noted.
Table 2. Parameter Conditions Min Typ Max Unit
RESOLUTION 16 Bits ANALOG INPUT Voltage Range1 +IN − (−IN) −VREF +VREF V Absolute Input Voltage +IN, −IN −0.1 VDD + 0.1 V Common-Mode Input Range +IN, −IN 0 VREF/2 VREF/2 + 0.1 V Analog Input CMRR fIN = 100 kHz 65 dB Leakage Current at 25°C Acquisition phase 1 nA Input Impedance See the Analog Inputs section THROUGHPUT SPEED Complete Cycle 10 μs Throughput Rate 0 100 kSPS DCLOCK Frequency 0 2.9 MHz REFERENCE Voltage Range 0.5 VDD + 0.3 V Load Current 100 kSPS, V+IN = V−IN = VREF/2 = 2.5 V 50 μA DIGITAL INPUTS Logic Levels VIL −0.3 0.3 × VDD V VIH 0.7 × VDD VDD + 0.3 V IIL −1 +1 μA IIH −1 +1 μA Input Capacitance 5 pF DIGITAL OUTPUTS Data Format Serial 16 bits twos complement VOH ISOURCE = −500 μA VDD − 0.3 V VOL ISINK = +500 μA 0.4 V POWER SUPPLIES VDD Specified performance 2.7 5.5 V VDD Range2 2.0 5.5 V Operating Current 100 kSPS throughput VDD = 5 V 800 μA VDD = 2.7 V 560 μA Standby Current3, 4 VDD = 5 V, 25°C 1 50 nA Power Dissipation VDD = 5 V 4 6 mW VDD = 2.7 V 1.5 mW VDD = 2.7 V, 10 kSPS throughput3 150 μW TEMPERATURE RANGE Specified Performance TMIN to TMAX −40 +85 °C 1 The inputs must be driven differentially 180° from each other. See Pin Configuration and Function Descriptions and Analog Inputs sections. 2 See the Typical Performance Characteristics section for more information. 3 With all digital inputs forced to VDD or GND, as required. 4 During acquisition phase. Rev. A | Page 3 of 16 Document Outline FEATURES APPLICATIONS APPLICATION DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS Timing Diagrams ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY TYPICAL PERFORMANCE CHARACTERISTICS APPLICATION INFORMATION CIRCUIT INFORMATION CONVERTER OPERATION TRANSFER FUNCTIONS TYPICAL CONNECTION DIAGRAM ANALOG INPUTS DRIVER AMPLIFIER CHOICE VOLTAGE REFERENCE INPUT POWER SUPPLY DIGITAL INTERFACE LAYOUT EVALUATING THE PERFORMANCE OF THE AD7684 OUTLINE DIMENSIONS ORDERING GUIDE