AS1527 datasheet(8/21 Pages) AMSCO

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AS1526/AS1527

Data Sheet - Ty pi cal Operating Characte ristics

7 Typical Operating Characteristics

VDD = 3.0V, VREF = 2.5V, fSCLK = 2.1MHz, CLOAD = 50pF, TAMB = +25ºC (unless otherwise specified).

Figure 5. Integral Nonlinearity vs. Digital Output Code

Figure 6. Differential Nonlinearity vs. Digital Output Code

Figure 7. FFT @ 1kHz

Figure 8. FFT @ 10kHz

Figure 9. ENOB vs. VREF

Figure 10. ENOB vs. Input Signal Frequency

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

256

512

768

1024

Digital Output Code

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

256

512

768

1024

Digital Output Code

-160

-140

-120

-100

-80

-60

-40

-20

1020

3040

Input Signal Frequency (kHz)

-160

-140

-120

-100

-80

-60

-40

-20

1020

3040

Input Signal Frequency (kHz)

Fsample = 80.8ksps

NFFT = 16384

Fsample = 80.8ksps

NFFT = 16384

9.77

9.8

9.83

9.86

9.89

9.92

9.95

0.8

1.2

1.6

2.4

2.8

3.2

3.6

Reference Voltage (V)

9.89

9.9

9.91

9.92

9.93

9.94

9.95

010

Frequency (kHz)

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