Datasheet AD4020 (Analog Devices) - 9
| Fabricante | Analog Devices |
| Descripción | 20-Bit, 1.8 MSPS, Precision SAR, Differential ADC |
| Páginas / Página | 37 / 9 — AD4020. Data Sheet. ABSOLUTE MAXIMUM RATINGS Table 5. Parameter. Rating. … |
| Revisión | A |
| Formato / tamaño de archivo | PDF / 802 Kb |
| Idioma del documento | Inglés |
AD4020. Data Sheet. ABSOLUTE MAXIMUM RATINGS Table 5. Parameter. Rating. THERMAL RESISTANCE. Table 6. Thermal Resistance
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AD4020 Data Sheet ABSOLUTE MAXIMUM RATINGS Table 5.
Note that the clamp cannot sustain the overvoltage condition
Parameter Rating
for an indefinite time. Analog Inputs
THERMAL RESISTANCE
IN+, IN− to GND1 −0.3 V to VREF + 0.4 V, Thermal performance is directly linked to printed circuit board or ±50 mA (PCB) design and operating environment. Careful attention to Supply Voltage PCB thermal design is required. REF, VIO to GND −0.3 V to +6.0 V VDD to GND −0.3 V to +2.1 V
Table 6. Thermal Resistance
VDD to VIO −6 V to +2.4 V
Package Type θJA θJC Unit
Digital Inputs to GND −0.3 V to VIO + 0.3 V RM-101 147 38 °C/W Digital Outputs to GND −0.3 V to VIO + 0.3 V CP-10-91 114 33 °C/W Storage Temperature Range −65°C to +150°C Junction Temperature 150°C 1 Test Condition 1: thermal impedance simulated values are based upon use of 2S2P JEDEC PCB. See the Ordering Guide. Lead Temperature Soldering 260°C reflow as per JEDEC J-STD-020 ESD Ratings
ESD CAUTION
Human Body Model 4 kV Machine Model 200 V Field Induced Charged Device Model 1.25 kV 1 See the Analog Inputs section for an explanation of IN+ and IN−. Stresses at or above those listed under Absolute Maximum Ratings may cause permanent damage to the product. This is a stress rating only; functional operation of the product at these or any other conditions above those indicated in the operational section of this specification is not implied. Operation beyond the maximum operating conditions for extended periods may affect product reliability. Rev. A | Page 8 of 36 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION TRANSFER FUNCTIONS APPLICATIONS INFORMATION TYPICAL APPLICATION DIAGRAMS ANALOG INPUTS Input Overvoltage Clamp Circuit Differential Input Considerations Switched Capacitor Input RC Filter Values DRIVER AMPLIFIER CHOICE Single to Differential Driver High Frequency Input Signals Multiplexed Applications EASE OF DRIVE FEATURES Input Span Compression High-Z Mode Long Acquisition Phase VOLTAGE REFERENCE INPUT POWER SUPPLY DIGITAL INTERFACE REGISTER READ/WRITE FUNCTIONALITY STATUS WORD /CS MODE, 3-WIRE TURBO MODE /CS MODE, 3-WIRE WITHOUT THE BUSY INDICATOR /CS MODE, 3-WIRE WITH THE BUSY INDICATOR /CS MODE, 4-WIRE TURBO MODE /CS MODE, 4-WIRE WITHOUT THE BUSY INDICATOR /CS MODE, 4-WIRE WITH THE BUSY INDICATOR DAISY-CHAIN MODE LAYOUT GUIDELINES EVALUATING THE AD4020 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE
AD4020 Data Sheet ABSOLUTE MAXIMUM RATINGS Table 5.
Note that the clamp cannot sustain the overvoltage condition
Parameter Rating
for an indefinite time. Analog Inputs
THERMAL RESISTANCE
IN+, IN− to GND1 −0.3 V to VREF + 0.4 V, Thermal performance is directly linked to printed circuit board or ±50 mA (PCB) design and operating environment. Careful attention to Supply Voltage PCB thermal design is required. REF, VIO to GND −0.3 V to +6.0 V VDD to GND −0.3 V to +2.1 V
Table 6. Thermal Resistance
VDD to VIO −6 V to +2.4 V
Package Type θJA θJC Unit
Digital Inputs to GND −0.3 V to VIO + 0.3 V RM-101 147 38 °C/W Digital Outputs to GND −0.3 V to VIO + 0.3 V CP-10-91 114 33 °C/W Storage Temperature Range −65°C to +150°C Junction Temperature 150°C 1 Test Condition 1: thermal impedance simulated values are based upon use of 2S2P JEDEC PCB. See the Ordering Guide. Lead Temperature Soldering 260°C reflow as per JEDEC J-STD-020 ESD Ratings
ESD CAUTION
Human Body Model 4 kV Machine Model 200 V Field Induced Charged Device Model 1.25 kV 1 See the Analog Inputs section for an explanation of IN+ and IN−. Stresses at or above those listed under Absolute Maximum Ratings may cause permanent damage to the product. This is a stress rating only; functional operation of the product at these or any other conditions above those indicated in the operational section of this specification is not implied. Operation beyond the maximum operating conditions for extended periods may affect product reliability. Rev. A | Page 8 of 36 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION TRANSFER FUNCTIONS APPLICATIONS INFORMATION TYPICAL APPLICATION DIAGRAMS ANALOG INPUTS Input Overvoltage Clamp Circuit Differential Input Considerations Switched Capacitor Input RC Filter Values DRIVER AMPLIFIER CHOICE Single to Differential Driver High Frequency Input Signals Multiplexed Applications EASE OF DRIVE FEATURES Input Span Compression High-Z Mode Long Acquisition Phase VOLTAGE REFERENCE INPUT POWER SUPPLY DIGITAL INTERFACE REGISTER READ/WRITE FUNCTIONALITY STATUS WORD /CS MODE, 3-WIRE TURBO MODE /CS MODE, 3-WIRE WITHOUT THE BUSY INDICATOR /CS MODE, 3-WIRE WITH THE BUSY INDICATOR /CS MODE, 4-WIRE TURBO MODE /CS MODE, 4-WIRE WITHOUT THE BUSY INDICATOR /CS MODE, 4-WIRE WITH THE BUSY INDICATOR DAISY-CHAIN MODE LAYOUT GUIDELINES EVALUATING THE AD4020 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE