Datasheet LTC1407, LTC1407A (Analog Devices) - 9

LTC1407/LTC1407A
TIMING DIAGRAMS
HOLD HOLD 1 1 1407A TD01 1407A TD01 34 34 t 9 t 9 t ACQ Hi-Z t ACQ Hi-Z t 7 t 7 33 SAMPLE 33 SAMPLE X* D0 32 32 t 8 t 8 X* D1 t 5 t 5 31 31 D0 D2 30 CH1 CH1 T 30 T D1 D3 29 29 D2 D4 28 28 D3 D5 27 27 D4 WORD D6 WORD 26 TA 26 TA D5 D7 25 25 12-BIT DA 14-BIT DA D6 D8 24 24 D7 D9 23 23 HOLD HOLD D8 D10 22 22 D9 D11 21 21 D10 D12 20 t 8 t 8 SDO REPRESENTS THE ANALOG INPUT FROM THE PREVIOUS CONVERSION A 20 SDO REPRESENTS THE ANALOG INPUT FROM THE PREVIOUS CONVERSION A 11 13 D D 19 19 18 t THROUGHPUT 18 t THROUGHPUT Hi-Z t CONV Hi-Z t CONV 17 17 X* D0
iming Diagram iming Diagram
16 t 9 16 t 9 X* D1 15 CH0 15 CH0 T T D0 D2 14 14
LTC1407 T
D1
LTC1407A T
D3 13 13 D2 D4 12 12 D3 D5 11 11 D4 WORD D6 WORD TA TA 10 t 10 10 t 10 D5 D7 9 9 12-BIT DA 14-BIT DA D6 D8 t 1 t 1 8 8 D7 D9 7 7 HOLD D8 HOLD D10 6 6 D9 D11 5 5 SDO REPRESENTS THE ANALOG INPUT FROM THE PREVIOUS CONVERSION A SDO REPRESENTS THE ANALOG INPUT FROM THE PREVIOUS CONVERSION A D10 D12 4 4 11 13 D TER D0 SHOULD BE IGNORED D 3 3 2 t 8 2 t 8 t 2 t 2 t 3 Hi-Z t 3 Hi-Z 1 1 *BITS MARKED “X” AF 34 34 t 4 t 6 t 4 t 6 33 SAMPLE 33 SAMPLE SCK TUS SDO SCK TUS SDO CONV A CONV A INTERNAL INTERNAL S/H ST S/H ST 1407fb 9