Datasheet AD7915, AD7916 (Analog Devices) - 8

AD7915/AD7916 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS 1.0 1.0 POSITIVE INL: +0.35 LSB POSITIVE DNL: +0.31 LSB NEGATIVE INL: –0.39 LSB NEGATIVE DNL: –0.38 LSB 0.8 0.8 0.6 0.6 0.4 0.4 ) 0.2 0.2 B B) S S L L 0 ( ( 0 L IN –0.2 DNL –0.2 –0.4 –0.4 –0.6 –0.6 –0.8 –0.8 –1.0
5
–1.0
8
0 16384 32768 49152 65536
-40
0 16384 32768 49152 65536
-40 583 583
CODE
12
CODE
12 Figure 5. Integral Nonlinearity (INL) vs. Code, REF = 5 V Figure 8. Differential Nonlinearity (DNL) vs. Code, REF = 5 V
1.0 1.0 POSITIVE INL: +0.39 LSB POSITIVE DNL: +0.39 LSB NEGATIVE INL: –0.44 LSB NEGATIVE DNL: –0.39 LSB 0.8 0.8 0.6 0.6 0.4 0.4 ) 0.2 0.2 B B) S S L L 0 ( ( 0 L IN –0.2 DNL –0.2 –0.4 –0.4 –0.6 –0.6 –0.8 –0.8 –1.0
6
–1.0
9
0 16384 32768 49152 65536
-40
0 16384 32768 49152 65536
-40 583 583
CODE
12
CODE
12 Figure 6. INL vs. Code, REF = 2.5 V Figure 9. DNL vs. Code, REF = 2.5 V
0 0 fS = 500kSPS fS = 500kSPS –20 fIN = 1kHz –20 fIN = 1kHz SNR = 94.98dB SNR = 90.61dB ) ) E THD = –114.39dB E THD = –117.23dB –40 –40 AL SFDR = –114.73dB AL SFDR = –102.55dB C SINAD = 94.93dB C SINAD = 90.61dB S –60 S L –60 L UL UL –80 f F –80 f F B o B o –100 (d –100 (d UDE –120 UDE –120 IT IT L L P P –140 –140 AM AM –160 –160 –180
7
–180
0
0 100 200 250
-40
0 100 200 250
-41
FREQUENCY (kHz)
583
FREQUENCY (kHz)
583 12 12 Figure 7. AD7916 FFT Plot, REF = 5 V Figure 10. AD7916 FFT Plot, REF = 2.5 V Rev. 0 | Page 8 of 26 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATIONS CIRCUIT 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 SINGLE TO DIFFERENTIAL DRIVER VOLTAGE REFERENCE INPUT POWER SUPPLY DIGITAL INTERFACE MODE, 3-WIRE, WITHOUT BUSY INDICATOR MODE 3-WIRE, WITH BUSY INDICATOR MODE, 4-WIRE, WITHOUT BUSY INDICATOR MODE 4-WIRE WITH BUSY INDICATOR CHAIN MODE, WITHOUT BUSY INDICATOR CHAIN MODE WITH BUSY INDICATOR APPLICATIONS INFORMATION INTERFACING TO BLACKFIN DSP LAYOUT EVALUATING AD7915/AD7916 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE NOTES