
LTC1196/LTC1198
3
119698fb
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
CONDITIONS
MIN
LTC1196-1
LTC1198-1
TYP
MAX
MIN
LTC1196-2
LTC1198-2
TYP
MAX
UNITS
VCC
Supply Voltage
2.7
6
2.7
6
V
VCC = 5V Operation
fCLK
Clock Frequency
l
0.01
14.4
12.0
0.01
12.0
9.6
MHz
tCYC
Total Cycle Time
LTC1196
LTC1198
12
16
12
16
CLK
tSMPL
Analog Input Sampling Time
2.5
CLK
thCS
Hold Time CS LOW After Last CLK
↑
10
13
ns
tsuCS
Setup Time CS
↓ Before First CLK↑
(See Figures 1, 2)
20
26
ns
thDI
Hold Time DIN After CLK↑
LTC1198
20
26
ns
tsuDI
Setup Time DIN Stable Before CLK↑
LTC1198
20
26
ns
tWHCLK
CLK HIGH Time
fCLK = fCLK(MAX)
40%
1/fCLK
tWLCLK
CLK LOW Time
fCLK = fCLK(MAX)
40%
1/fCLK
tWHCS
CS HIGH Time Between Data Transfer Cycles
25
32
ns
tWLCS
CS LOW Time During Data Transfer
LTC1196
LTC1198
11
15
11
15
CLK
The l denotes the specications which apply over
the full operating temperature range, otherwise specications are at TA = 25°C.
CONVERTER AND MULTIPLEXER CHARACTERISTICS
PARAMETER
CONDITIONS
LTC1196-1A/LTC1196-2A
LTC1198-1A/LTC1198-2A
LTC1196-1B/LTC1196-2B
LTC1198-1B/LTC1198-2B
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
No Missing Codes Resolution
l
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)
LTC1196, VREF = 5.000V
LTC1198, VCC = 5.000V
l
±1/2
±1
LSB
Analog and REF Input Range
LTC1196
–0.05V to VCC + 0.05V
V
Analog Input Leakage Current
(Note 5)
l
±1
μA
The l denotes the specications
which apply over the full operating temperature range, otherwise specications are at TA = 25°C. VCC = 5V, VREF = 5V, fCLK = fCLK(MAX)
as dened in Recommended Operating Conditions, unless otherwise noted.
DIGITAL AND DC ELECTRICAL CHARACTERISTICS The l denotes the specications which
apply over the full operating temperature range, otherwise specications are at TA = 25°C. VCC = 5V, VREF = 5V, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VCC = 5.25V
l
2.0
V
VIL
Low Level Input Voltage
VCC = 4.75V
l
0.8
V
IIH
High Level Input Current
VIN = VCC
l
2.5
μA
IIL
Low Level Input Current
VIN = 0V
l
–2.5
μA
VOH
High Level Output Voltage
VCC = 4.75V, IO = 10μA
VCC = 4.75V, IO = 360μA
l
4.5
2.4
4.74
4.71
V