R34DS0012EU0504 Rev.5.04

Page 19

Sep 18, 2025

ISL73141SEH Datasheet

Figure 42. ENOB vs Frequency

Figure 43. THD and SFDR vs Frequency

Figure 44. SNR and SINAD vs VREF

Figure 45. ENOB vs VREF

Figure 46. THD and SFDR vs VREF

Figure 47. SNR and SINAD 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