LTC1274 查看數據表（PDF） - Linear Technology

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LTC1274

12-Bit, 10mW, 100ksps ADCs with 1µA Shutdown

Linear Technology 

LTC1274/LTC1277

APPLICATI S I FOR ATIO

CS = RD = 0

t16

HBEN (LTC1277)

CONVST

BUSY

t12

tCONV

(SAMPLE N)

t5

(SAMPLE N + 1)

t7

t5

LTC1274 DATA

DATA (N – 1)

DB11 TO DB0

LTC1277 DATA

DATA (N – 1)

DB7 TO DB0

DATA (N – 1)

DB11 TO DB8

DATA (N – 1)

DB7 TO DB0

t6

DATA N

DB11 TO DB0

t15

DATA N

DB7 TO DB0

DATA N

DB11 TO DB8

DATA N

DB7 TO DB0

DATA (N + 1)

DB11 TO DB0

DATA (N + 1)

DB7 TO DB0

LTC1274/77 • F14

Figure 14. Mode 1b. CONVST Starts a Conversion. Data Outputs Always Enabled

(CONVST =

)

CS = 0

HBEN (LTC1277)

CONVST

BUSY

RD

LTC1274 DATA

LTC1277 DATA

t17

t12

tCONV

t4

(SAMPLE N)

t5

t7

(SAMPLE N + 1)

t8

t10

t11

t9

DATA N

DB11 TO DB0

t16

DATA N

DATA N

DB11 TO DB8 DB7 TO DB0

Figure 15. Mode 2. CONVST Starts a Conversion. Data is Read by RD

LTC1274/77 • F15

18

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