Datasheet AD7327-EP (Analog Devices) - 10

AD7327-EP Enhanced Product TYPICAL PERFORMANCE CHARACTERISTICS 0 1.0 4096 POINT FFT VCC = VDRIVE = 5V INT/EXT 2.5V REFERENCE VCC = VDRIVE = 5V 0.8 TA = 25°C ±10V RANGE –20 VDD, VSS = ±15V VDD, VSS = ±15V +INL = +0.55LSB TA = 25°C 0.6 –INL = –0.68LSB INT/EXT 2.5V REFERENCE –40 ±10V RANGE 0.4 fIN = 50kHz B) SNR = 77.30dB S L 0.2 B) –60 SINAD = 76.85dB d R ( THD = –86.96dB 0 NR ( SFDR = –88.22dB RRO S –80 E –0.2 INL –0.4 –100 –0.6 –120 –0.8 –140 –1.0 0 50 100 150 200 250 0 1024 2048 3072 4096 5120 6144 7168 8192
004 007
512 1536 2560 3584 4608 5632 6656 7680 FREQUENCY (kHz)
12481-
CODE
12481- Figure 4. FFT True Differential Mode Figure 7. Typical INL True Differential Mode
0 1.0 4096 POINT FFT V 0.8 CC = VDRIVE = 5V –20 VDD, VSS = ±15V T 0.6 A = 25°C INT/EXT 2.5V REFERENCE –40 ±10V RANGE 0.4 f B) IN = 50kHz S SNR = 74.67dB L 0.2 B) –60 SINAD = 74.03dB R ( d THD = –82.68dB 0 RRO NR ( SFDR = –85.40dB S –80 E L –0.2 DN –0.4 –100 –0.6 VCC = VDRIVE = 5V ±10V RANGE T +DNL = +0.79LSB –120 A = 25°C –0.8 VDD, VSS = ±15V –DNL = –0.38LSB INT/EXT 2.5V REFERENCE –140 –1.0 0 1024 2048 3072 4096 5120 6144 7168 8192 0 50 100 150 200 250
005 043
512 1536 2560 3584 4608 5632 6656 7680 FREQUENCY (kHz) CODE
12481- 12481- Figure 5. FFT Single-Ended Mode Figure 8. Typical DNL Single-Ended Mode
1.0 1.0 0.8 0.8 0.6 0.6 0.4 0.4 B) B) S 0.2 S L L 0.2 R ( R ( 0 0 RRO RRO E –0.2 E L L –0.2 IN VCC = VDRIVE = 5V DN V –0.4 CC = VDRIVE = 5V T –0.4 T A = 25°C A = 25°C V V –0.6 DD, VSS = ±15V DD, VSS = ±15V INT/EXT 2.5V REFERENCE –0.6 INT/EXT 2.5V REFERENCE ±10V RANGE ±10V RANGE –0.8 +INL = +0.87LSB –0.8 +DNL = +0.72LSB –INL = –0.49LSB –DNL = –0.22LSB –1.0 –1.0 0 1024 2048 3072 4096 5120 6144 7168 8192
044
0 1024 2048 3072 4096 5120 6144 7168 8192 512 1536 2560 3584 4608 5632 6656 7680
006
512 1536 2560 3584 4608 5632 6656 7680 CODE
12481-
CODE
12481- Figure 6. Typical DNL True Differential Mode Figure 9. Typical INL Single-Ended Mode Rev. C | Page 10 of 14 Document Outline FEATURES ENHANCED PRODUCT FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS OUTLINE DIMENSIONS ORDERING GUIDE