LTC1197C Ver la hoja de datos (PDF) - Linear Technology
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fabricante
LTC1197C Datasheet PDF : 28 Pages
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LTC1197/LTC1197L
LTC1199/LTC1199L
RECO E DED OPERATI G CO DITIO S The q denotes the specifications which apply over
the full operating temperature range, otherwise specifications are at TA = 25°C.
SYMBOL PARAMETER
CONDITIONS
LTC1197
MIN TYP MAX
LTC1199
MIN TYP MAX
UNITS
VCC = 5V Operation
tsuCS
Setup Time CS↓ Before First CLK↑
(See Figures 1, 2)
26
26
ns
thDI
Hold Time DIN After CLK↑
LTC1199
26
tsuDI
Setup Time DIN Stable Before CLK↑
LTC1199
26
tWHCLK CLK High Time
fCLK = fCLK(MAX)
40%
40%
tWLCLK CLK Low Time
fCLK = fCLK(MAX)
40%
40%
tWHCS CS High Time Between Data Transfer Cycles
32
32
tWLCS CS Low Time During Data Transfer
13
15
ns
ns
1/fCLK
1/fCLK
ns
CLK
SYMBOL PARAMETER
VCC
Supply Voltage
VCC = 2.7V Operation
fCLK
Clock Frequency
tCYC
Total Cycle Time
tSMPL Analog Input Sampling Time
thCS
Hold Time CS Low After Last CLK↑
tsuCS
Setup Time CS↓ Before First CLK↑
(See Figures 1, 2)
thDI
tsuDI
tWHCLK
tWLCLK
tWHCS
tWLCS
Hold Time DIN After CLK↑
Setup Time DIN Stable Before CLK↑
CLK High Time
CLK Low Time
CS High Time Between Data Transfer Cycles
CS Low Time During Data Transfer
CONDITIONS
LTC1199L
LTC1199L
fCLK = fCLK(MAX)
fCLK = fCLK(MAX)
LTC1197L
MIN TYP MAX
2.7
4
LTC1199L
MIN TYP MAX
2.7
4
UNITS
V
q 0.01
14
1.5
40
78
40%
40%
96
13
3.5
0.01
16
1.5
40
78
78
78
40%
40%
96
15
3.5
MHz
CLK
CLK
ns
ns
ns
ns
1/fCLK
1/fCLK
ns
CLK
CO VERTER A D ULTIPLEXER CHARACTERISTICS
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VCC = 5V, VREF = 5V, fCLK = fCLK(MAX) as defined in Recommended Operating Conditions, unless otherwise noted.
PARAMETER
CONDITIONS
LTC1197
MIN TYP MAX
LTC1199
MIN TYP MAX UNITS
Offset Error
q
±2
±2
LSB
Linearity Error
(Note 3)
q
±1
±1
LSB
Gain Error
q
±4
±4
LSB
No Missing Codes Resolution
q
10
10
Bits
Analog Input Range
Reference Input Range
Analog Input Leakage Current
LTC1197, VCC ≤ 6V
LTC1197, VCC > 6V
(Note 4)
0.2
0.2
q
– 0.05V to VCC + 0.05V
VCC + 0.05V
6
±1
V
V
V
±1
µA
3
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