Datasheet AD7626 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | 16-Bit, 10 MSPS, PulSAR Differential ADC |
| Pages / Page | 30 / 4 — Data Sheet. AD7626. SPECIFICATIONS. Table 2. Parameter. Test … |
| Revision | D |
| File Format / Size | PDF / 1.0 Mb |
| Document Language | English |
Data Sheet. AD7626. SPECIFICATIONS. Table 2. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit
Model Line for this Datasheet
Text Version of Document
link to page 6
Data Sheet AD7626 SPECIFICATIONS
VDD1 = 5 V; VDD2 = 2.5 V; VIO = 2.5 V; REF = 4.096 V; all specifications TMIN to TMAX, unless otherwise noted.
Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
RESOLUTION 16 Bits ANALOG INPUT Voltage Range VIN+ − VIN− −VREF +VREF V Operating Input Voltage VIN+, VIN− to AGND −0.1 VREF + 0.1 V Common-Mode Input Range VREF/2 − 0.05 VREF/2 VREF/2 + 0.05 V CMRR fIN = 1 MHz 68 dB Input Current Midscale input 168 µA THROUGHPUT Complete Cycle 100 ns Throughput Rate 0.1 10 MSPS DC ACCURACY Integral Linearity Error −1.5 ±0.45 +1.5 LSB No Missing Codes 16 Bits Differential Linearity Error −0.5 ±0.35 +0.5 LSB Transition Noise 0.6 LSB Zero Error, TMIN to TMAX −6 ±1 +6 LSB Zero Error Drift 0.5 ppm/°C Gain Error, TMIN to TMAX 8 20 LSB Gain Error Drift 0.7 ppm/°C Power Supply Sensitivity1 VDD1 = 5 V ± 5% 0.4 LSB VDD2 = 2.5 V ± 5% 0.2 LSB AC ACCURACY fIN = 20 kHz, −0.5 dBFS Dynamic Range 90.5 91.5 dB Signal-to-Noise Ratio 90 91 dB Spurious-Free Dynamic Range 105 dB Total Harmonic Distortion −105.5 dB Signal-to-(Noise + Distortion) 89.5 91 dB fIN = 100 kHz, −0.5 dBFS Signal-to-Noise Ratio 91.3 dB Spurious-Free Dynamic Range 104.5 dB Total Harmonic Distortion −102.5 dB Signal-to-(Noise + Distortion) 91 dB fIN = 2.4 MHz, −1 dBFS Signal-to-Noise Ratio 88.5 dBFS Spurious-Free Dynamic Range 84 dB Total Harmonic Distortion −86 dB Signal-to-(Noise + Distortion) 85 dB fIN = 2.4 MHz, −6 dBFS Signal-to-Noise Ratio 89 dBFS Spurious-Free Dynamic Range 84 dB Total Harmonic Distortion −93 dB Signal-to-(Noise + Distortion) 88 dB −3 dB Input Bandwidth 95 MHz Aperture Delay 1.5 ns Aperture Jitter 0.25 ps rms Rev. D | Page 3 of 29 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION 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 FUNCTIONS ANALOG INPUTS TYPICAL CONNECTION DIAGRAM DRIVING THE AD7626 Differential Analog Input Source Single-Ended to Differential Driver Single-Ended or Fully Differential High Frequency Driver VOLTAGE REFERENCE OPTIONS Wake-Up Time from EN1 = 0, EN0 = 0 POWER SUPPLY Power-Up DIGITAL INTERFACE Conversion Control Echoed Clock Interface Mode Self Clocked Mode APPLICATIONS INFORMATION LAYOUT, DECOUPLING, AND GROUNDING Exposed Paddle VDD1 Supply Routing and Decoupling VIO Supply Decoupling Layout and Decoupling of Pin 25 to Pin 32 OUTLINE DIMENSIONS ORDERING GUIDE
Data Sheet AD7626 SPECIFICATIONS
VDD1 = 5 V; VDD2 = 2.5 V; VIO = 2.5 V; REF = 4.096 V; all specifications TMIN to TMAX, unless otherwise noted.
Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
RESOLUTION 16 Bits ANALOG INPUT Voltage Range VIN+ − VIN− −VREF +VREF V Operating Input Voltage VIN+, VIN− to AGND −0.1 VREF + 0.1 V Common-Mode Input Range VREF/2 − 0.05 VREF/2 VREF/2 + 0.05 V CMRR fIN = 1 MHz 68 dB Input Current Midscale input 168 µA THROUGHPUT Complete Cycle 100 ns Throughput Rate 0.1 10 MSPS DC ACCURACY Integral Linearity Error −1.5 ±0.45 +1.5 LSB No Missing Codes 16 Bits Differential Linearity Error −0.5 ±0.35 +0.5 LSB Transition Noise 0.6 LSB Zero Error, TMIN to TMAX −6 ±1 +6 LSB Zero Error Drift 0.5 ppm/°C Gain Error, TMIN to TMAX 8 20 LSB Gain Error Drift 0.7 ppm/°C Power Supply Sensitivity1 VDD1 = 5 V ± 5% 0.4 LSB VDD2 = 2.5 V ± 5% 0.2 LSB AC ACCURACY fIN = 20 kHz, −0.5 dBFS Dynamic Range 90.5 91.5 dB Signal-to-Noise Ratio 90 91 dB Spurious-Free Dynamic Range 105 dB Total Harmonic Distortion −105.5 dB Signal-to-(Noise + Distortion) 89.5 91 dB fIN = 100 kHz, −0.5 dBFS Signal-to-Noise Ratio 91.3 dB Spurious-Free Dynamic Range 104.5 dB Total Harmonic Distortion −102.5 dB Signal-to-(Noise + Distortion) 91 dB fIN = 2.4 MHz, −1 dBFS Signal-to-Noise Ratio 88.5 dBFS Spurious-Free Dynamic Range 84 dB Total Harmonic Distortion −86 dB Signal-to-(Noise + Distortion) 85 dB fIN = 2.4 MHz, −6 dBFS Signal-to-Noise Ratio 89 dBFS Spurious-Free Dynamic Range 84 dB Total Harmonic Distortion −93 dB Signal-to-(Noise + Distortion) 88 dB −3 dB Input Bandwidth 95 MHz Aperture Delay 1.5 ns Aperture Jitter 0.25 ps rms Rev. D | Page 3 of 29 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION 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 FUNCTIONS ANALOG INPUTS TYPICAL CONNECTION DIAGRAM DRIVING THE AD7626 Differential Analog Input Source Single-Ended to Differential Driver Single-Ended or Fully Differential High Frequency Driver VOLTAGE REFERENCE OPTIONS Wake-Up Time from EN1 = 0, EN0 = 0 POWER SUPPLY Power-Up DIGITAL INTERFACE Conversion Control Echoed Clock Interface Mode Self Clocked Mode APPLICATIONS INFORMATION LAYOUT, DECOUPLING, AND GROUNDING Exposed Paddle VDD1 Supply Routing and Decoupling VIO Supply Decoupling Layout and Decoupling of Pin 25 to Pin 32 OUTLINE DIMENSIONS ORDERING GUIDE
