Datasheet AD4000, AD4004, AD4008 (Analog Devices) - 13

Data Sheet AD4000/ AD4004/ AD4008 94 15.3 –110 113 ENOB THD SINAD 15.2 SFDR –111 112 93 SNR 15.1 111 –112 92 15.0 110 B) d –113 14.9 91 ts) B) B) 109 Bi d d –114 INAD ( 14.8 B ( DR ( S HD ( 108 90 F NO T S 14.7 E NR, –115 S 107 89 14.6 –116 108 14.5 88 –117 107 14.4 87 14.3 –118 106
216
2.4 2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1
213
2.4 2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 REFERENCE VOLTAGE (V) REFERENCE VOLTAGE (V)
14956- 14956- Figure 17. SNR, SINAD, and Effective Number of Bits (ENOB) vs. Figure 20. THD and SFDR vs. Reference Voltage, fIN = 1 kHz Reference Voltage, fIN = 1 kHz
93.2 15.15 –100 111 SNR THD SFDR 93.0 SINAD –102 110 ENOB 15.10 92.8 –104 109 92.6 –106 108 B) d 15.05 ts) B) 92.4 B) –108 107 Bi d d INAD ( B ( DR ( S 92.2 HD ( –110 106 F NO T 15.00 S E NR, S 92.0 –112 105 91.8 –114 104 14.95 91.6 –116 103 91.4 14.90 –118 102
222
–40 –20 0 20 40 60 80 100 120
220
–40 –20 0 20 40 60 80 100 120 TEMPERATURE (°C) TEMPERATURE (°C)
14956- 14956- Figure 18. SNR, SINAD, and ENOB vs. Temperature, fIN = 1 kHz Figure 21. THD and SFDR vs. Temperature, fIN = 1 kHz
125 93.4 15.25 DYNAMIC RANGE fIN = 1kHz 120 fIN = 10kHz 93.2 15.20 115 93.0 15.15 B) d ts) B) 110 92.8 d Bi INAD ( 15.10 B ( NR ( S S 105 92.6 NO E NR, S 15.05 100 92.4 15.00 92.2 ENOB 95 SINAD SNR 90 92.0 14.95 1 2 4 8 16 32 64 128 256 512 1024 2048 0 10 20 30 40 50 60 70
217 214
t DECIMATION RATE QUIET2 (ns)
14956- 14956- Figure 19. SNR vs. Decimation Rate for Various Input Frequencies, 2 MSPS Figure 22. SNR, SINAD, and ENOB vs. tQUIET2 Rev. C | Page 13 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 Switched Capacitor Input RC Filter Values DRIVER AMPLIFIER CHOICE 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 CSB MODE, 3-WIRE TURBO MODE CSB MODE, 3-WIRE WITHOUT BUSY INDICATOR CSB MODE, 3-WIRE WITH BUSY INDICATOR CSB MODE, 4-WIRE TURBO MODE CSB MODE, 4-WIRE WITHOUT BUSY INDICATOR CSB MODE, 4-WIRE WITH BUSY INDICATOR DAISY-CHAIN MODE LAYOUT GUIDELINES EVALUATING THE AD4000/AD4004/AD4008 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE