Datasheet AD7983 (Analog Devices) - 4
| Hersteller | Analog Devices |
| Beschreibung | 16-Bit, 1.33 MSPS PulSAR ADC in MSOP/QFN |
| Seiten / Seite | 25 / 4 — Data Sheet. AD7983. SPECIFICATIONS. Table 2. Parameter. Conditions. Min. … |
| Revision | B |
| Dateiformat / Größe | PDF / 592 Kb |
| Dokumentensprache | Englisch |
Data Sheet. AD7983. SPECIFICATIONS. Table 2. Parameter. Conditions. Min. Typ. Max. Unit
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Data Sheet AD7983 SPECIFICATIONS
VDD = 2.5 V, VIO = 2.3 V to 5.5 V, REF = 5 V, TA = –40°C to +85°C, unless otherwise noted.
Table 2. Parameter Conditions Min Typ Max Unit
RESOLUTION 16 Bits ANALOG INPUT Voltage Range IN+ − IN− 0 VREF V Absolute Input Voltage IN+ −0.1 VREF + 0.1 V IN− −0.1 +0.1 V Analog Input CMRR fIN = 100 kHz 60 dB1 Leakage Current @ 25°C Acquisition phase 1 nA Input Impedance See the Analog Inputs section ACCURACY No Missing Codes 16 Bits Differential Linearity Error −0.9 ±0.4 +0.9 LSB2 Integral Linearity Error −1.0 ±0.6 +1.0 LSB2 Transition Noise 0.52 LSB2 Gain Error, T 3 MIN to TMAX ±2 LSB2 Gain Error Temperature Drift ±0.41 ppm/°C Zero Error, T 3 MIN to TMAX −0.9 ±0.44 +0.9 mV Zero Temperature Drift 0.54 ppm/°C Power Supply Sensitivity VDD = 2.5 V ± 5% ±0.1 LSB2 THROUGHPUT Conversion Rate 0 1.33 MSPS Transient Response Full-scale step 290 ns AC ACCURACY Dynamic Range 93 dB1 Signal-to-Noise Ratio, SNR fIN = 1 kHz 90.5 92 dB1 Spurious-Free Dynamic Range, SFDR fIN = 10 kHz 114 dB1 Total Harmonic Distortion, THD fIN = 10 kHz −115 dB1 Signal-to-(Noise + Distortion), SINAD fIN = 10 kHz 91.6 dB1 1 All specifications in dB are referred to a full-scale input FSR. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified. 2 LSB means least significant bit. With the 5 V input range, 1 LSB is 76.3 µV. 3 See the Terminology section. These specifications include full temperature range variation, but not the error contribution from the external reference. Rev. B | Page 3 of 24 Document Outline Features Applications Application Diagram General Description Table of Contents Revision History Specifications Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Circuit Information Converter Operation Transfer Functions Typical Connection Diagram Analog Inputs Driver Amplifier Choice Voltage Reference Input Power Supply 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 Performance of the AD7983 Outline Dimensions Ordering Guide
Data Sheet AD7983 SPECIFICATIONS
VDD = 2.5 V, VIO = 2.3 V to 5.5 V, REF = 5 V, TA = –40°C to +85°C, unless otherwise noted.
Table 2. Parameter Conditions Min Typ Max Unit
RESOLUTION 16 Bits ANALOG INPUT Voltage Range IN+ − IN− 0 VREF V Absolute Input Voltage IN+ −0.1 VREF + 0.1 V IN− −0.1 +0.1 V Analog Input CMRR fIN = 100 kHz 60 dB1 Leakage Current @ 25°C Acquisition phase 1 nA Input Impedance See the Analog Inputs section ACCURACY No Missing Codes 16 Bits Differential Linearity Error −0.9 ±0.4 +0.9 LSB2 Integral Linearity Error −1.0 ±0.6 +1.0 LSB2 Transition Noise 0.52 LSB2 Gain Error, T 3 MIN to TMAX ±2 LSB2 Gain Error Temperature Drift ±0.41 ppm/°C Zero Error, T 3 MIN to TMAX −0.9 ±0.44 +0.9 mV Zero Temperature Drift 0.54 ppm/°C Power Supply Sensitivity VDD = 2.5 V ± 5% ±0.1 LSB2 THROUGHPUT Conversion Rate 0 1.33 MSPS Transient Response Full-scale step 290 ns AC ACCURACY Dynamic Range 93 dB1 Signal-to-Noise Ratio, SNR fIN = 1 kHz 90.5 92 dB1 Spurious-Free Dynamic Range, SFDR fIN = 10 kHz 114 dB1 Total Harmonic Distortion, THD fIN = 10 kHz −115 dB1 Signal-to-(Noise + Distortion), SINAD fIN = 10 kHz 91.6 dB1 1 All specifications in dB are referred to a full-scale input FSR. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified. 2 LSB means least significant bit. With the 5 V input range, 1 LSB is 76.3 µV. 3 See the Terminology section. These specifications include full temperature range variation, but not the error contribution from the external reference. Rev. B | Page 3 of 24 Document Outline Features Applications Application Diagram General Description Table of Contents Revision History Specifications Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Circuit Information Converter Operation Transfer Functions Typical Connection Diagram Analog Inputs Driver Amplifier Choice Voltage Reference Input Power Supply 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 Performance of the AD7983 Outline Dimensions Ordering Guide