Operation
MASTER OSCILLATOR
PH2 - PH1 - PH0 = 000
PH2 - PH1 - PH0 = 001
PH2 - PH1 - PH0 = 010
OUT1
ALL OUTPUTS ARE Hi-Z
ALL OUTPUTS ARE LOW
PH = 3, fOUTPUT = fMASTER/3
ADJACENT OUTPUTS ARE PHASE SHIFTED BY 120°
OUT2
OUT3
OUT4 Hi-Z
OUT5 Hi-Z
OUT6 Hi-Z
OUT7 Hi-Z
OUT8 Hi-Z
PH2 - PH1 - PH0 = 011
PH = 4, fOUTPUT = fMASTER/4 ADJACENT OUTPUTS ARE PHASE SHIFTED BY 90°
OUT1
OUT2
OUT3
OUT4
OUT5 Hi-Z
OUT6 Hi-Z
OUT7 Hi-Z
OUT8 Hi-Z
PH2 - PH1 - PH0 = 100
PH = 5, fOUTPUT = fMASTER/5 ADJACENT OUTPUTS ARE PHASE SHIFTED BY 72°
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6 Hi-Z
OUT7 Hi-Z
OUT8 Hi-Z
PH2 - PH1 - PH0 = 101
PH = 6, fOUTPUT = fMASTER/6 ADJACENT OUTPUTS ARE PHASE SHIFTED BY 60°
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7 Hi-Z
OUT8 Hi-Z
Figure 2a. Output Waveforms for Different PH Settings
LTC6909
6909 F02a
6909fa
9