LTC1695 데이터 시트보기 (PDF) - Linear Technology
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LTC1695 Datasheet PDF : 20 Pages
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LTC1695
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V unless otherwise stated.
SYMBOL
PARAMETER
SMBus TIMING (Note 4)
fSMB
tBUF
tHD(STA)
tSU(STA)
tSU(STO)
tHD(DAT)
tSU(DAT)
tLOW
tHIGH
tf
tr
SMBus Operating Frequency
Bus Free Time Between Stop and Start
Hold Time After (Repeated) Start Condition
Repeated Start Condition Setup Time
Stop Condition Setup Time
Data Hold Time
Data Setup Time
Clock Low Period
Clock High Period
Clock/Data Fall Time
Clock/Data Rise Time
CONDITIONS
MIN TYP MAX UNITS
q 10
q 4.7
q 4.0
q 4.7
q 4.0
q 300
q 250
q 4.7
q 4.0
q
q
100
kHz
µs
µs
µs
µs
ns
ns
µs
50
µs
300
ns
1000
ns
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: INL, DNL specs are specified under a 1mA ILOAD condition to keep the
linear regulator from operating in dropout at higher DAC codes. DNL is
measured from code 0 to code 63, taking into account the untrimmed offset
at code 0. Please refer to the Definitions section for more details.
Note 3: This typical specification is based on lab measurements and is not
production tested.
Note 4: Guaranteed by design and not tested. Please refer to the Timing
Diagram section for additional information.
TYPICAL PERFOR A CE CHARACTERISTICS
Output Voltage vs
DAC Code
6
VCC = 5V
TA = 25°C
5 ILOAD = 1mA
4
3
2
1
0
0 10 20 30 40 50 60 63
DAC CODE
1695 • G01
No Load Supply Current vs Supply
Voltage
250
TA = 25°C
200
CODE 63
150
100
CODE 0
50
0
4.0
4.5
5.0
5.5
6.0
SUPPLY VOLTAGE (V)
1695 • G02
No Load Supply Current vs
Temperature
250
VCC = 5V
200
CODE 63
150
100
CODE 0
50
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1695 • G03
3
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