ISL73141SEH

4. Typical Performance Curves

R34DS0012EU0402 Rev.4.2

Page 18 of 27

Feb 23, 2023

Figure 42. SNR and SINAD vs VREF

Figure 43. ENOB vs VREF

Figure 44. THD and SFDR vs VREF

Figure 45. SNR and SINAD vs Temperature

Figure 46. ENOB vs Temperature

Figure 47. THD and SFDR vs Temperature

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

75.0

75.5

76.0

76.5

77.0

77.5

78.0

78.5

79.0

79.5

80.0

80.5

81.0

1.95

2.10

2.25

2.40

2.55

2.70

2.85

3.00

3.15

3.30

V

REF (V)

SNR

SINAD

12.2

12.3

12.4

12.5

12.6

12.7

12.8

12.9

13.0

13.1

13.2

1.95

2.10

2.25

2.40

2.55

2.70

2.85

3.00

3.15

3.30

V

REF (V)

85

90

95

100

105

110

1.95

2.10

2.25

2.40

2.55

2.70

2.85

3.00

3.15

3.30

V

REF (V)

THD

SFDR

79.0

79.5

80.0

80.5

81.0

81.5

-55

-35

-15

5

25

45

65

85

105

125

Temperature (°C)

SNR

SINAD