Datasheet AD7691-EP (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | 18-Bit, 1.5 LSB INL, 250 kSPS PulSAR® Differential ADC in MSOP/QFN |
| Pages / Page | 13 / 10 — AD7691-EP. Enhanced Product. 104. –105. SNR. 102. –110. 100. SINAD. –115. … |
| Revision | A |
| File Format / Size | PDF / 444 Kb |
| Document Language | English |
AD7691-EP. Enhanced Product. 104. –105. SNR. 102. –110. 100. SINAD. –115. B) d. ts). THD. ENOB. DR (. INAD (. B (. F –120. NO E. NR,. HD,. –125. –130. SFDR. –135. 2.3. 2.6
Model Line for this Datasheet
Text Version of Document
AD7691-EP Enhanced Product 104 18 –105 SNR 102 –110 100 17 SINAD 98 –115 B) d B) d ts) THD 96 ENOB Bi 16 DR ( INAD ( B ( F –120 S 94 S NO E NR, HD, S T 92 –125 15 90 –130 88 SFDR 86 14 –135 2.3 2.6 2.9 3.2 3.5 3.8 4.1 4.4 4.7 5.0 5.3
032
2.3 2.6 2.9 3.2 3.5 3.8 4.1 4.4 4.7 5.0 5.3
038
REFERENCE VOLTAGE (V)
12156-
REFERENCE VOLTAGE (V)
12156- Figure 12. SNR, SINAD, and ENOB vs. Reference Voltage Figure 15. THD, SFDR vs. Reference Voltage
105 –90 VREF = 5V 100 –100 VREF = 2.5V 95 B) B) d d –110 NR ( HD ( S T 90 VREF = 5V –120 85 VREF = 2.5V 80 –130 –55 –35 –15 5 25 45 65 85 105 125
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–55 –35 –15 5 25 45 65 85 105 125
039
TEMPERATURE (°C)
12156-
TEMPERATURE (°C)
12156- Figure 13. SNR vs. Temperature Figure 16. THD vs. Temperature
105 –60 VREF = 5V, –10dB VREF = 5V, –1dB 100 –70 95 –80 VREF = 5V, –1dB VREF = 2.5V, –1dB B) d 90 B) –90 d VREF = 2.5V, –1dB HD ( INAD ( 85 VREF = 2.5V, –10dB T –100 S 80 –110 VREF = 2.5V, –10dB 75 –120 VREF = 5V, –10dB 70 –130 0 25 50 75 100 125
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0 25 50 75 100 125
040
FREQUENCY (kHz)
12156-
FREQUENCY (kHz)
12156- Figure 14. SINAD vs. Frequency Figure 17. THD vs. Frequency Rev. A | Page 10 of 13 Document Outline Features Enhanced Product Features Applications Application Diagram General Description Table of Contents Revision History Specifications Timing Specifications Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Outline Dimensions Ordering Guide
032
2.3 2.6 2.9 3.2 3.5 3.8 4.1 4.4 4.7 5.0 5.3
038
REFERENCE VOLTAGE (V)
12156-
REFERENCE VOLTAGE (V)
12156- Figure 12. SNR, SINAD, and ENOB vs. Reference Voltage Figure 15. THD, SFDR vs. Reference Voltage
105 –90 VREF = 5V 100 –100 VREF = 2.5V 95 B) B) d d –110 NR ( HD ( S T 90 VREF = 5V –120 85 VREF = 2.5V 80 –130 –55 –35 –15 5 25 45 65 85 105 125
033
–55 –35 –15 5 25 45 65 85 105 125
039
TEMPERATURE (°C)
12156-
TEMPERATURE (°C)
12156- Figure 13. SNR vs. Temperature Figure 16. THD vs. Temperature
105 –60 VREF = 5V, –10dB VREF = 5V, –1dB 100 –70 95 –80 VREF = 5V, –1dB VREF = 2.5V, –1dB B) d 90 B) –90 d VREF = 2.5V, –1dB HD ( INAD ( 85 VREF = 2.5V, –10dB T –100 S 80 –110 VREF = 2.5V, –10dB 75 –120 VREF = 5V, –10dB 70 –130 0 25 50 75 100 125
037
0 25 50 75 100 125
040
FREQUENCY (kHz)
12156-
FREQUENCY (kHz)
12156- Figure 14. SINAD vs. Frequency Figure 17. THD vs. Frequency Rev. A | Page 10 of 13 Document Outline Features Enhanced Product Features Applications Application Diagram General Description Table of Contents Revision History Specifications Timing Specifications Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Outline Dimensions Ordering Guide
