ADPD103 datasheet(13/53 Pages) AD

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ADPD103

Data Sheet

Rev. B | Page 12 of 52

TYPICAL PERFORMANCE CHARACTERISTICS

–25

–20

–15

–10

–5

SAMPLE FREQUENCY DEVIATION FROM NOMINAL (%)

Figure 6. 32 kHz Clock Frequency Distribution

(Default Settings, Before User Calibration: Register 0x4B = 0x2612)

FREQUENCY (MHz)

27.5 28.0 28.5 29.0 29.5 30.0 30.5 31.0 31.5 32.0

Figure 7. 32 MHz Clock Frequency Distribution

(Default Settings, Before User Calibration: Register 0x4D = 0x425E)

4.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

180

160

140

120

100

PHOTODIODE CAPACITANCE (pF)

25k

50k

200k

100k

Figure 8. Input Referred Noise vs. Photodiode Capacitance,

LED Pulse Width = 3 µs

180

160

140

120

100

PHOTODIODE CAPACITANCE (pF)

25k

200k

100k

50k

Figure 9. Input Referred Noise vs. Photodiode Capacitance,

LED Pulse Width = 2 µs

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