Datasheet AD7650 (Analog Devices) - 10

Typical Performance Characteristics AD7650 – 4 3 10000 9514 9000 3 2 8000 2 7000 1 1 6000 LSB LSB – 0 – 0 5000 INL COUNTS 4000 –1 DNL 3336 3303 –1 3000 –2 2000 –2 –3 1000 0 0 79 151 1 0 0 –4 –3 0 0 16384 32768 49152 65536 0 16384 32768 49152 65536 7FFD 7FFF 8001 8003 8005 CODE CODE 7FFE 8000 8002 8004 8006 CODE – Hexa
TPC 1. Integral Nonlinearity TPC 2. Differential Nonlinearity TPC 3. Histogram of 16,384 vs. Code vs. Code Conversions of a DC Input at the Code Transition
8000 0 100 15.0 7396 7353 fS = 571kSPS 7000 –20 fIN = 45.01kHz 95 14.5 SNR = 87dB 6000 –40 THD = –96dB ENOB SFDR = 98dB dB – 90 14.0 5000 –60 SINAD = 86.5dB SNR Bits – 4000 dB of Full Scale –80 85 SINAD 13.5 – COUNTS 3000 –100 ENOB 80 13.0 2000 –120 SNR AND S/[N+D] AMPLITUDE 75 12.5 759 850 1000 –140 0 0 12 14 0 0 0 –160 70 12.0 7FFC 7FFE 8000 8002 8004 0 57 114 171 228 285 1 10 100 1k 7FFD 7FFF 8001 8003 8005 FREQUENCY – kHz FREQUENCY – kHz CODE – Hexa
TPC 4. Histogram of 16,384 TPC 5. FFT Plot TPC 6. SNR, S/(N+D), and ENOB Conversions of a DC Input at the vs. Frequency Code Center
–60 115 100k 50 –65 AVDD, WARP/NORMAL 110 SFDR 10k OVDD = 2.7V, 85
ⴗ
C –70 105 A 40
␮
DVDD, WARP/NORMAL –75 – 1k dB 100 – –80 95 100 AVDD, IMPULSE ns – 30 –85 90 dB – Y DVDD, IMPULSE 10 OVDD = 2.7V, 25
ⴗ
C –90 85 THD SFDR DELA 20 –95 2ND HARMONIC ING CURRENT 1 , HARMONICS 80 T t 12 OVDD = 5V, 85
ⴗ
C –100 THD 75 0.1 –105 10 70 OPERA 3RD HARMONIC OVDD, ALL MODES OVDD = 5V, 25
ⴗ
C 0.01 –110 65 –115 60 0.001 0 0 10 100 1k 0.1 1 10 100 1k 10k 100k 1M 0 50 100 150 200 FREQUENCY – kHz SAMPLING RATE – SPS CL – pF
TPC 7. THD, Harmonics, and SFDR TPC 8. Operating Currents TPC 9. Typical Delay vs. Load vs. Frequency vs. Sample Rate Capacitance CL REV. 0 –9–