Datasheet AD7124-4-EP (Analog Devices) - 8
| Fabricante | Analog Devices |
| Descripción | 4-Channel, Low Noise, Low Power, 24-Bit, Sigma-Delta ADC with PGA and Reference |
| Páginas / Página | 17 / 8 — AD7124-4-EP. Enhanced Product. Parameter1 Min. Typ. Max. Unit. Test. … |
| Formato / tamaño de archivo | PDF / 247 Kb |
| Idioma del documento | Inglés |
AD7124-4-EP. Enhanced Product. Parameter1 Min. Typ. Max. Unit. Test. Conditions/Comments
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AD7124-4-EP Enhanced Product Parameter1 Min Typ Max Unit Test Conditions/Comments
LOGIC OUTPUTS (INCLUDING CLK) Output Voltage2 High, VOH IOVDD − 0.35 V ISOURCE = 100 μA Low, VOL 0.4 V ISINK = 100 μA Floating State Leakage Current −1 +1 μA Floating State Output Capacitance 10 pF Data Output Coding Offset binary SYSTEM CALIBRATION2 Calibration Limit Full Scale (FS) 1.05 × FS V Zero Scale −1.05 × FS V Input Span 0.8 × FS 2.1 × FS V POWER SUPPLY VOLTAGES FOR ALL POWER MODES AVDD to AVSS Low Power Mode 2.7 3.6 V Mid Power Mode 2.7 3.6 V Full Power Mode 2.9 3.6 V IOVDD to GND 1.65 3.6 V AVSS to GND −1.8 0 V IOVDD to AVSS 5.4 V POWER SUPPLY CURRENTS11, 13 IAVDD, External Reference Low Power Mode Gain = 12 125 140 μA All buffers off Gain = 1 IAVDD Increase per AINx Buffer2 15 25 μA Gain = 2 to 8 205 250 μA Gain = 16 to 128 235 300 μA IAVDD Increase per Reference Buffer2 10 20 μA All gains Mid Power Mode Gain = 12 150 170 μA All buffers off Gain = 1 IAVDD Increase per AINx Buffer2 30 40 μA Gain = 2 to 8 275 345 μA Gain = 16 to 128 330 430 μA IAVDD Increase per Reference Buffer2 20 30 μA All gains Full Power Mode Gain = 12 315 350 μA All buffers off Gain = 1 IAVDD Increase per AINx Buffer2 90 135 μA Gain = 2 to 8 660 830 μA Gain = 16 to 128 875 1200 μA IAVDD Increase per Reference Buffer2 85 120 μA All gains IAVDD Increase Due to Internal Reference2 50 70 μA Independent of power mode; the reference buffers are not required when using this reference Due to V 2 BIAS 15 20 μA Independent of power mode Due to Diagnostics2 4 5 μA IIOVDD Low Power Mode 20 35 μA Mid Power Mode 25 40 μA Full Power Mode 55 80 μA Rev. 0 | Page 8 of 17 Document Outline FEATURES ENHANCED PRODUCT FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY GENERAL DESCRIPTION SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS OUTLINE DIMENSIONS ORDERING GUIDE
AD7124-4-EP Enhanced Product Parameter1 Min Typ Max Unit Test Conditions/Comments
LOGIC OUTPUTS (INCLUDING CLK) Output Voltage2 High, VOH IOVDD − 0.35 V ISOURCE = 100 μA Low, VOL 0.4 V ISINK = 100 μA Floating State Leakage Current −1 +1 μA Floating State Output Capacitance 10 pF Data Output Coding Offset binary SYSTEM CALIBRATION2 Calibration Limit Full Scale (FS) 1.05 × FS V Zero Scale −1.05 × FS V Input Span 0.8 × FS 2.1 × FS V POWER SUPPLY VOLTAGES FOR ALL POWER MODES AVDD to AVSS Low Power Mode 2.7 3.6 V Mid Power Mode 2.7 3.6 V Full Power Mode 2.9 3.6 V IOVDD to GND 1.65 3.6 V AVSS to GND −1.8 0 V IOVDD to AVSS 5.4 V POWER SUPPLY CURRENTS11, 13 IAVDD, External Reference Low Power Mode Gain = 12 125 140 μA All buffers off Gain = 1 IAVDD Increase per AINx Buffer2 15 25 μA Gain = 2 to 8 205 250 μA Gain = 16 to 128 235 300 μA IAVDD Increase per Reference Buffer2 10 20 μA All gains Mid Power Mode Gain = 12 150 170 μA All buffers off Gain = 1 IAVDD Increase per AINx Buffer2 30 40 μA Gain = 2 to 8 275 345 μA Gain = 16 to 128 330 430 μA IAVDD Increase per Reference Buffer2 20 30 μA All gains Full Power Mode Gain = 12 315 350 μA All buffers off Gain = 1 IAVDD Increase per AINx Buffer2 90 135 μA Gain = 2 to 8 660 830 μA Gain = 16 to 128 875 1200 μA IAVDD Increase per Reference Buffer2 85 120 μA All gains IAVDD Increase Due to Internal Reference2 50 70 μA Independent of power mode; the reference buffers are not required when using this reference Due to V 2 BIAS 15 20 μA Independent of power mode Due to Diagnostics2 4 5 μA IIOVDD Low Power Mode 20 35 μA Mid Power Mode 25 40 μA Full Power Mode 55 80 μA Rev. 0 | Page 8 of 17 Document Outline FEATURES ENHANCED PRODUCT FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY GENERAL DESCRIPTION SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS OUTLINE DIMENSIONS ORDERING GUIDE