LTC1196 查看數據表（PDF） - Linear Technology
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LTC1196 Datasheet PDF : 28 Pages
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LTC1196/LTC1198
RECOMMENDED OPERATING CONDITIONS The l denotes the specifications which apply over
the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 2.7V Operation.
SYMBOL PARAMETER
CONDITIONS
LTC1196-1
LTC1198-1
MIN TYP MAX
LTC1196-2
LTC1198-2
MIN TYP MAX UNITS
fCLK
Clock Frequency
0.01
l 0.01
5.4 0.01
4.6 0.01
4
MHz
3
MHz
tCYC
Total Cycle Time
LTC1196
12
12
CLK
LTC1198
16
16
CLK
tSMPL
thCS
tsuCS
Analog Input Sampling Time
Hold Time CS Low After Last CLK↑
Setup Time CS↓ Before First CLK↑
(See Figures 1, 2)
2.5
2.5
CLK
20
40
ns
40
78
ns
thDI
Hold Time DIN After CLK↑
LTC1198
40
78
ns
tsuDI
Setup Time DIN Stable Before CLK↑ LTC1198
40
78
ns
tWHCLK CLK High Time
fCLK = fCLK(MAX)
40%
40%
1/fCLK
tWLCLK CLK Low Time
fCLK = fCLK(MAX)
40%
40%
1/fCLK
tWHCS
CS High Time Between Data Transfer
Cycles
50
96
ns
tWLCS
CS Low Time During Data Transfer
LTC1196
11
11
CLK
LTC1198
15
15
CLK
CONVERTER AND MULTIPLEXER CHARACTERISTICS The l denotes the specifications
which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 2.7V, VREF = 2.5V,
fCLK = fCLK(MAX) as defined in Recommended Operating Conditions, unless otherwise noted.
PARAMETER
CONDITIONS
LTC1196-1
LTC1198-1
MIN TYP MAX
LTC1196-2
LTC1198-2
MIN TYP MAX
UNITS
No Missing Codes Resolution
l8
8
Bits
Offset Error
l
±1/2
±1
LSB
Linearity Error
(Note 3)
l
±1/2
±1
LSB
Full-Scale Error
l
±1/2
±1
LSB
Total Unadjusted Error (Note 4)
Analog and REF Input Range
Analog Input Leakage Current
LTC1196, VREF = 2.5.000V
l
LTC1198, VCC = 2.700V
LTC1196
(Note 5)
l
±1/2
–0.05V to VCC + 0.05V
±1
±1
LSB
V
±1
μA
DIGITAL AND DC ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply
over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 2.7V, VREF = 2.5V, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
IIH
High Level Input Current
IIL
Low Level Input Current
VOH
High Level Output Voltage
VOL
Low Level Output Voltage
IOZ
Hi-Z Output Leakage
VCC = 3.6V
VCC = 2.7V
VIN = VCC
VIN = 0V
VCC = 2.7V, IO = 10μA
VCC = 2.7V, IO = 360μA
VCC = 2.7V, IO = 400μA
CS = High
l 1.9
V
l
0.45
V
l
2.5
μA
l
–2.5
μA
l 2.3
2.60
V
l 2.1
2.45
V
l
0.3
V
l
±3
μA
119698fa
5
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