LTC1257 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1257' PDF : 12 Pages View PDF
BLOCK DIAGRAM
LOGIC
SUPPLY
5V REGULATOR
CLK
DIN
LOAD
REF
12-BIT
SHIFT REGISTER
12
12-BIT LATCH
12
2.048V REFERENCE
DAC
+
–
LTC1257
VCC
DOUT
GND
VOUT
1257 BD
TIMING DIAGRAM
t1
t2
CLK
DIN
B11
MSB
t4
B10
LOAD
DOUT
B11
(PREVIOUS WORD)
t8
B10
t6
t7
t3
B1
B0
LSB
t5
B1
B11
B0
CURRENT WORD
1257 TD
1257fc
7
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