Datasheet

Data Sheet ADPD1080/ADPD1081
Rev. B | Page 17 of 74
TYPICAL PERFORMANCE CHARACTERISTICS
0
10
32 33 34 35 36 37 38 39 40 41
20
30
40
50
60
70
PERCENT OF PARTS TESTED
FREQUENCY (Hz)
16110-009
Figure 9. 32 kHz Clock Frequency Distribution
(Default Settings, Before User Calibration: Register 0x4B = 0x2612)
0
10
20
30
40
50
60
32.0 32.5 33.0 33.5 34.0 34.5 35.0 35.5 36.0
PERCENT OF PARTS TESTED
FREQUENCY (
Hz)
16110-010
Figure 10. 32 MHz Clock Frequency Distribution
(Default Settings, Before User Calibration: Register 0x4D = 0x0098)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0 50 100 150 200
REFERRED TO INPUT NOISE (nA rms)
TRANSIMPEDANCE AMPLIFIER GAIN (kΩ)
2µs PULSE
3µs PULSE
16110-012
Figure 11. Referred to Input Noise vs. Transimpedance Amplifier Gain at
C
PD
= 70 pF
0
5
10
15
20
25
30
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
LED DRIVER CURRENT (mA)
LED DRIVER VOLTAGE (V)
16110-013
LED COARSE SETTING = 0xF
LED COARSE SETTING = 0x0
Figure 12. LED Driver Current vs. LED Driver Voltage at
10% Drive Strength, Fine Setting at Default
0
50
100
150
200
250
300
350
400
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
LED DRIVER CURRENT (mA)
LED DRIVER VOLTAGE (V)
16110-014
LED COARSE SETTING = 0xF
LED COARSE SETTING = 0x0
Figure 13. LED Driver Current vs. LED Driver Voltage at 100% Drive Strength,
Fine Setting at Default
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