Datasheet

LTC1196/LTC1198
7
119698fb
FREQUENCY (MHz)
0
SUPPLY CURRENT (mA)
12
9
8
7
6
5
4
3
2
1
0
1196/98 G01
216
468
10
14
T
A
= 25°C
CS = 0V
V
REF
= V
CC
V
CC
= 5V
V
CC
= 2.7V
SUPPLY VOLTAGE (V)
2.5
14
12
10
8
6
4
2
0
4.0 5.0
1196/98 G02
3.0 3.5
4.5 5.5 6.0
SUPPLY CURRENT (mA)
T
A
= 25°C
0.000002
LTC1196
LTC1198
ACTIVE MODE
CS = 0V
SHUTDOWN MODE
CS = V
CC
LTC1198
SAMPLE RATE (Hz)
0.01
SUPPLY CURRENT (mA)
0.1
1
10
100 10k 100k
1196/98 G03
0.001
1k 1M
LT1196 V
CC
= 5V
LT1196 V
CC
= 2.7V
LT1198 V
CC
= 5V
LT1198 V
CC
= 2.7V
T
A
= 25°C
TEMPERATURE (°C)
–55
SUPPLY CURRENT (mA)
10
9
8
7
6
5
4
3
2
1
0
–15
25
45 125
1196/98 G04
–35 5
65
85
105
CS = 0V
V
CC
= 5V
V
CC
= 2.7V
REFERENCE VOLTAGE (V)
0.5
MAGNITUDE OF OFFSET (LSB = s V
REF
)
5.0
1196/98 G05
3.52.5
4.0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
1.0
2.0
1.5 4.53.0
T
A
= 25°C
V
CC
= 5V
f
CLK
= 12MHz
1
256
SUPPLY VOLTAGE (V)
2.5
MAGNITUDE OF OFFSET (LSB)
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
3.5
4.5
5.0
1196/98 G06
3.0
4.0
5.5
6.0
T
A
= 25°C
V
REF
= V
CC
f
CLK
= 3MHz
Note 2: All voltage values are with respect to GND.
Note 3: Integral nonlinearity is defi ned as deviation of a code from a
straight line passing through the actual endpoints of the transfer curve.
The deviation is measured from the center of the quantization band.
Note 4: Total unadjusted error includes offset, full scale, linearity,
multiplexer and hold step errors.
Note 5: Channel leakage current is measured after the channel selection.
ELECTRICAL CHARACTERISTICS
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Clock Rate
Supply Current vs Supply Voltage
Supply Current vs Sample Rate
Supply Current vs Temperature Offset vs Reference Voltage Offset vs Supply Voltage