LTC1661CMS8 データシートの表示（PDF） - Linear Technology
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LTC1661CMS8 Datasheet PDF : 14 Pages
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LTC1661
TIMING CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC = 2.7V to 5.5V
t1
DIN Valid to SCK Setup
t2
DIN Valid to SCK Hold
t3
SCK High Time
t4
SCK Low Time
t5
CS/LD Pulse Width
t6
LSB SCK High to CS/LD High
t7
CS/LD Low to SCK High
t9
SCK Low to CS/LD Low
t11
CS/LD High to SCK Positive Edge
SCK Frequency
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
Square Wave (Note 6)
l 60
l
0
l 50
l 50
l 100
l 50
l 30
l
0
l 30
l
ns
ns
ns
ns
ns
ns
ns
ns
ns
10
MHz
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: Nonlinearity and monotonicity are defined from code 20 to code
1023 (full scale). See Applications Information.
Note 3: Digital inputs at 0V or VCC.
Note 4: Load is 10kΩ in parallel with 100pF.
Note 5: VCC = VREF = 5V. DAC switched between 0.1VFS and 0.9VFS,
i.e., codes k = 102 and k = 922.
Note 6: Guaranteed by design and not subject to test.
TIMING DIAGRAM
SCK
DIN
CS/LD
t9
t5
t1
t2
A3
t7
t3
t4
A2
A1
t6
t11
X1
X0
1661 TD
1661fa
4
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