ISL73141SEH

4. Typical Performance Curves

R34DS0012EU0402 Rev.4.2

Page 16 of 27

Feb 23, 2023

4.2

3.3V Curves

Unless otherwise noted, AVCC = 3.3V; DVCC = 2.5V; fIN = 105.3kHz; fSAMP = 750ksps; TA = +25°C

Figure 30. Differential Non-Linearity (DNL)

Figure 31. Integral Non-Linearity (INL)

Figure 32. DNL vs AVCC

Figure 33. INL vs AVCC

Figure 34. 32k FFT - 105.3kHz

Figure 35. 32k FFT - 455.3kHz

-0.5

-0.4

-0.3

-0.2

-0.1

0.0

0.1

0.2

0.3

0.4

0.5

0

2048

4096

6144

8192

10240 12288 14336 16384

Output Code

-1.0

-0.5

0.0

0.5

1.0

0

2048

4096

6144

8192

10240 12288 14336 16384

Output Code

-0.5

-0.4

-0.3

-0.2

-0.1

0.0

0.1

0.2

0.3

0.4

0.5

3.0

3.1

3.2

3.3

3.4

3.5

3.6

AVCC (V)

-DNL

+DNL

-1.00

-0.75

-0.50

-0.25

0.00

0.25

0.50

0.75

1.00

3.0

3.1

3.2

3.3

3.4

3.5

3.6

AVCC (V)

-INL

+INL

-160

-140

-120

-100

-80

-60

-40

-20

0

0

75

150

225

300

375

Frequency (Hz)

AIN = -1dBFS

SNR = 80.3.dBFS

SINAD = 80.1dBFS

SFDR = 108dBFS

THD = 92dBFS

-160

-140

-120

-100

-80

-60

-40

-20

0

0

75

150

225

300

375

Frequency (Hz)

AIN = -1dBFS

SNR = 80.1.dBFS

SINAD = 79.3dBFS

SFDR = 99dBFS

THD = 87dBFS