AS1543 datasheet(9/29 Pages) AMSCO

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AS1543/44

Data Sheet - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s

7 Typical Operating Characteristics

VDD = 5.25V; VREF = 2.5V, CREF = 4.7µF, RANGE=1, SE/FDN=1, TAMB = +25ºC (unless otherwise specified).

Figure 5. Integral Nonlinearity vs. Digital Output Code

Figure 6. Differential Nonlinearity vs. Digital Output Code

Figure 7. FFT @ 50kHz; RANGE=1, SE/FDN=1

Figure 8. FFT @ 50kHz; RANGE=1, SE/FDN=0

Figure 9. ENOB vs. VREFIN; RANGE=1, SE/FDN=1

Figure 10. ENOB vs. Input Signal Frequency

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

1024

2048

3072

4096

Digital Output Code

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

1024204830724096

Digital Output Code

fSAMPLE = 1Msps

-120

-100

-80

-60

-40

-20

100

200

300

400

500

Input Signal Frequency (kHz)

-120

-100

-80

-60

-40

-20

100

200

300

400

500

Input Signal Frequency (kHz)

fSAMPLE = 1Msps

NFFT = 32768

SNR=72.1dB

THD = -84.7dB

SFDR = 86.2dB

fSAMPLE = 1Msps

NFFT = 32768

SNR=71.0dB

THD = -85.5dB

SFDR = 86.5dB

11.1

11.2

11.3

11.4

11.5

11.6

11.7

11.8

100

1000

Frequency (kHz)

11.1

11.2

11.3

11.4

11.5

11.6

11.7

VREFIN (V)

VDD = 2.7V

VDD = 3.6V

VDD = 4.75V

VDD = 5.25V

VDD = 5V

VDD = 3V

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