AD7676ACP 데이터 시트보기 (PDF) - Analog Devices

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AD7676ACP

16-Bit, 1 LSB INL, 500 kSPS, Differential ADC

Analog Devices 

AD7676–Typical Performance Characteristics

1.00

0.75

0.50

0.25

0

–0.25

–0.50

–0.75

–1.00

0

16384

32768

CODE

49152

65536

TPC 1. Integral Nonlinearity vs. Code

16000

14000

14640

12000

10000

8000

6000

4000

2000

880

863

0000

0000

0000

7FFA 7FFB 7FFC 7FFD 7FFE 7FFF 8000 8001 8002 8003 8004

CODE IN HEXA

TPC 4. Histogram of 16,384 Conversions of a DC Input at

the Code Center

9000

8000

8271 8094

7000

6000

5000

4000

3000

2000

1000

0008

11 0 0 0

0000

7FFB 7FFC 7FFD 7FFE 7FFF 8000 8001 8002 8003 8004

CODE IN HEXA

TPC 2. Histogram of 16,384 Conversions of a DC Input at

the Code Transition

20

16

12

8

4

0

–1.0 –0.9 –0.8 –0.7 –0.6 –0.5 –0.4 –0.3 –0.2 –0.1 0.0

NEGATIVE INL – LSB

TPC 5. Typical Negative INL Distribution (199 Units)

20

16

12

8

4

0

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

POSITIVE INL – LSB

TPC 3. Typical Positive INL Distribution (199 Units)

0

–20

–40

–60

–80

–100

–120

–140

–160

–180

0

fS = 500kSPS

fIN = 45.01kHz

SNR = 94dB

THD = –110dB

SFDR = 110dB

SINAD = 93.9dB

50

100

150

200

250

FREQUENCY – kHz

TPC 6. FFT Plot

–8–

REV. B

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