Datasheet AD7960 (Analog Devices) - 4
| Hersteller | Analog Devices |
| Beschreibung | 18-Bit, 5 MSPS PULSAR® Differential ADC |
| Seiten / Seite | 25 / 4 — Data Sheet. AD7960. SPECIFICATIONS. Table 2. Parameter. Test … |
| Revision | C |
| Dateiformat / Größe | PDF / 813 Kb |
| Dokumentensprache | Englisch |
Data Sheet. AD7960. SPECIFICATIONS. Table 2. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit
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Data Sheet AD7960 SPECIFICATIONS
VDD1 = 5 V; VDD2 = 1.8 V; VIO = 1.8 V; REF = 5 V or 4.096 V; all specifications TMIN to TMAX, unless otherwise noted.
Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
RESOLUTION 18 Bits ANALOG INPUT Voltage Range VIN+ − VIN− −VREF +VREF V Operating Input Voltage VIN+, VIN− to GND −0.1 VREF + 0.1 V Common-Mode Input Range1 VREF/2 − 0.05 VREF/2 VREF/2 + 0.05 V CMRR fIN = 500 kHz 70 dB Input Leakage Current Acquisition phase 60 nA THROUGHPUT Complete Cycle 200 ns Throughput Rate 0 5 MSPS DC ACCURACY No Missing Codes 18 Bits Integral Linearity Error −2 ±0.8 +2 LSB Differential Linearity Error −0.99 ±0.5 +0.99 LSB Transition Noise 1.1 LSB Zero Error −6 +6 LSB Zero Error Drift1 −0.25 ±0.01 +0.25 ppm/°C Gain Error −30 ±5 +30 LSB Gain Error Drift1 −0.5 ±0.05 +0.5 ppm/°C Power Supply Sensitivity2 VDD1 = 5 V ± 5% ±1 LSB VDD2 = 1.8 V ± 5% ±2 LSB AC ACCURACY fIN = 1 kHz, −0.5 dBFS, VREF = 5 V Dynamic Range 98 100 dB Signal-to-Noise Ratio 97 99 dB Spurious-Free Dynamic Range 119 dB Total Harmonic Distortion −117 dB Signal-to-Noise-and-Distortion Ratio 96.5 98.5 dB fIN = 1 kHz, −0.5 dBFS, VREF = 4.096 V Dynamic Range 97 98.5 dB Signal-to-Noise Ratio 95 97 dB Spurious-Free Dynamic Range 115 dB Total Harmonic Distortion −113 dB Signal-to-Noise-and-Distortion Ratio 94.5 96.5 dB −3 dB Input Bandwidth3 EN2 = 0 28 MHz Oversampled Dynamic Range4 OSR = 256, REF = 5 V 120 dB Aperture Delay5 1.6 ns Aperture Jitter5 1 ps REFERENCE BUFFER REFIN Input Voltage Range1 2.042 2.048 2.054 V REF Output Voltage Range REF at 25°C, EN3 to EN0 = 4.086 4.096 4.106 V XX01 or XX10 Line Regulation VDD1 = 5 V ± 5%, VDD2 = ±20 µV 1.8 V ± 5% Gain Drift1 −25 ±4 +25 ppm/°C Rev. C | Page 3 of 24 Document Outline Features Applications Functional Block Diagram General Description Table of Contents Revision History Specifications Timing Specifications Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Circuit Information Converter Information Transfer Function Analog Inputs Typical Applications Voltage Reference Options Wake-Up Time from Power-Down and Snooze Modes Power Supply Power-Up Digital Interface Conversion Control Echoed Clock Interface Mode Self Clocked Mode Applications Information Layout Evaluating AD7960 Performance Outline Dimensions Ordering Guide
Data Sheet AD7960 SPECIFICATIONS
VDD1 = 5 V; VDD2 = 1.8 V; VIO = 1.8 V; REF = 5 V or 4.096 V; all specifications TMIN to TMAX, unless otherwise noted.
Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
RESOLUTION 18 Bits ANALOG INPUT Voltage Range VIN+ − VIN− −VREF +VREF V Operating Input Voltage VIN+, VIN− to GND −0.1 VREF + 0.1 V Common-Mode Input Range1 VREF/2 − 0.05 VREF/2 VREF/2 + 0.05 V CMRR fIN = 500 kHz 70 dB Input Leakage Current Acquisition phase 60 nA THROUGHPUT Complete Cycle 200 ns Throughput Rate 0 5 MSPS DC ACCURACY No Missing Codes 18 Bits Integral Linearity Error −2 ±0.8 +2 LSB Differential Linearity Error −0.99 ±0.5 +0.99 LSB Transition Noise 1.1 LSB Zero Error −6 +6 LSB Zero Error Drift1 −0.25 ±0.01 +0.25 ppm/°C Gain Error −30 ±5 +30 LSB Gain Error Drift1 −0.5 ±0.05 +0.5 ppm/°C Power Supply Sensitivity2 VDD1 = 5 V ± 5% ±1 LSB VDD2 = 1.8 V ± 5% ±2 LSB AC ACCURACY fIN = 1 kHz, −0.5 dBFS, VREF = 5 V Dynamic Range 98 100 dB Signal-to-Noise Ratio 97 99 dB Spurious-Free Dynamic Range 119 dB Total Harmonic Distortion −117 dB Signal-to-Noise-and-Distortion Ratio 96.5 98.5 dB fIN = 1 kHz, −0.5 dBFS, VREF = 4.096 V Dynamic Range 97 98.5 dB Signal-to-Noise Ratio 95 97 dB Spurious-Free Dynamic Range 115 dB Total Harmonic Distortion −113 dB Signal-to-Noise-and-Distortion Ratio 94.5 96.5 dB −3 dB Input Bandwidth3 EN2 = 0 28 MHz Oversampled Dynamic Range4 OSR = 256, REF = 5 V 120 dB Aperture Delay5 1.6 ns Aperture Jitter5 1 ps REFERENCE BUFFER REFIN Input Voltage Range1 2.042 2.048 2.054 V REF Output Voltage Range REF at 25°C, EN3 to EN0 = 4.086 4.096 4.106 V XX01 or XX10 Line Regulation VDD1 = 5 V ± 5%, VDD2 = ±20 µV 1.8 V ± 5% Gain Drift1 −25 ±4 +25 ppm/°C Rev. C | Page 3 of 24 Document Outline Features Applications Functional Block Diagram General Description Table of Contents Revision History Specifications Timing Specifications Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Circuit Information Converter Information Transfer Function Analog Inputs Typical Applications Voltage Reference Options Wake-Up Time from Power-Down and Snooze Modes Power Supply Power-Up Digital Interface Conversion Control Echoed Clock Interface Mode Self Clocked Mode Applications Information Layout Evaluating AD7960 Performance Outline Dimensions Ordering Guide