LTC1198_15 Datasheet, PDF (3/28 Pages) Linear Technology – 8-Bit, SO-8, 1Msps ADCs with Auto-Shutdown Options

LTC1196/LTC1198
RECOMMENDED OPERATING CONDITIONS The l denotes the specifications which apply over
the full operating temperature range, otherwise specifications are at T_A = 25°C.
SYMBOL PARAMETER
CONDITIONS
LTC1196-1
LTC1198-1
MIN TYP MAX
LTC1196-2
LTC1198-2
MIN TYP MAX
UNITS
V_CC
Supply Voltage
V_CC = 5V Operation
f_CLK
Clock Frequency
2.7
0.01
l 0.01
6 2.7
14.4 0.01
12.0 0.01
6
V
12.0 MHz
9.6 MHz
t_CYC
Total Cycle Time
LTC1196
12
12
CLK
LTC1198
16
16
CLK
t_SMPL
t_hCS
t_suCS
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
10
13
ns
20
26
ns
t_hDI
Hold Time D_IN After CLK↑
LTC1198
20
26
ns
t_suDI
Setup Time D_IN Stable Before CLK↑
LTC1198
20
26
ns
t_WHCLK CLK HIGH Time
f_CLK = f_CLK(MAX)
40%
40%
1/f_CLK
t_WLCLK CLK LOW Time
f_CLK = f_CLK(MAX)
40%
40%
1/f_CLK
t_WHCS CS HIGH Time Between Data Transfer Cycles
25
32
ns
t_WLCS
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 T_A = 25°C. V_CC = 5V, V_REF = 5V, f_CLK = f_CLK(MAX)
as defined in Recommended Operating Conditions, unless otherwise noted.
PARAMETER
No Missing Codes Resolution
Offset Error
Linearity Error
Full-Scale Error
Total Unadjusted Error (Note 4)
Analog and REF Input Range
Analog Input Leakage Current
CONDITIONS
(Note 3)
LTC1196, V_REF = 5.000V
LTC1198, V_CC = 5.000V
LTC1196
(Note 5)
LTC1196-1A/LTC1196-2A LTC1196-1B/LTC1196-2B
LTC1198-1A/LTC1198-2A LTC1198-1B/LTC1198-2B
MIN TYP MAX MIN TYP MAX UNITS
l8
8
Bits
l
±1/2
±1
LSB
l
±1/2
±1
LSB
l
±1/2
±1
LSB
l
±1/2
±1
LSB
–0.05V to V_CC + 0.05V
V
l
±1
±1
μA
DIGITAL AND DC ELECTRICAL CHARACTERISTICS The l denotes the specifications which
apply over the full operating temperature range, otherwise specifications are at T_A = 25°C. V_CC = 5V, V_REF = 5V, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
V_IH
High Level Input Voltage
V_IL
Low Level Input Voltage
I_IH
High Level Input Current
I_IL
Low Level Input Current
V_OH
High Level Output Voltage
V_CC = 5.25V
V_CC = 4.75V
V_IN = V_CC
V_IN = 0V
V_CC = 4.75V, I_O = 10μA
V_CC = 4.75V, I_O = 360μA
l 2.0
V
l
0.8
V
l
2.5
μA
l
–2.5
μA
l 4.5
4.74
V
l 2.4
4.71
V
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