ISL29501 Datasheet, PDF (13/23 Pages) Intersil Corporation – Auto gain control mechanism

ISL29501
SAMPLING TIM E
INTEGRATION TIM E
ANALOG ON
LED DRIVER ON
I AND Q
COMPUTATION ON
ANALOG ON
LED DRIVER ON
I AND Q
COMPUTATION ON
CONTINUOUS MODE
FIGURE 8. WAVEFORM FOR FUNCTIONAL OPERATION
SAMPLING TIME
INTEG RATIO N TIME
4.5MHz
SQUARE WAVE
AMPLITUDE
DC PREBIAS LEVE L
TIME (s)
FIGURE 9. EMITTER DRIVER WAVE FORM
PDp
PDn
-
AGC
CONTROLLER
BPF
+
FIGURE 10. AUTOMATIC GAIN CONTROL
ADC
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FN8681.3
June 29, 2016