LTC1092 LINER [Linear Technology], LTC1092 Datasheet - Page 6

• Manufacturer Part Number: LTC1092
• Description: 1-, 2-, 6- and 8-Channel, 10-Bit Serial I/O Data Acquisition Systems
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFOR
†
6
LTC1091/LTC1092
LTC1093/LTC1094
AS THE CLK FREQUENCY AND SOURCE RESISTANCE ARE INCREASED, MAXIMUM CLK
FREQUENCY ( ERROR 0.1LSB) REPRESENTS THE FREQUENCY AT WHICH A 0.1LSB
SHIFT IN ANY CODE TRANSITION FROM ITS 500kHz, 0 VALUE IS FIRST DETECTED.
1.25
1.00
0.75
0.50
0.25
100
80
60
40
20
0
0
–50
10
LTC1091/LTC1092/LTC1093/LTC1094
Maximum Clock Rate vs
Source Resistance
–0.25
–0.50
–0.75
LTC1091/LTC1092 Input Channel
Leakage Current vs Temperature
0.50
0.25
ON-CHANNEL OR
OFF-CHANNEL
0
R
–25
SOURCE
4
LTC1091 Change in Full-Scale
Error vs Supply Voltage
V
IN
f
T
AMBIENT TEMPERATURE ( C)
CLK
A
= 25 C
= 500kHz
100
0
5
“+” OR “–”
INPUT
R
SOURCE
SUPPLY VOLTAGE (V)
25
6
50
( )
7
1k
75
V
T
W
A
CC
8
1091/2/3/4 G10
= 25 C
1091/2/3/4 G13
100
= 5V
A
U
1091/2/3/4 G16
10k
9
125
CE
10
C
100k
10k
100
1.25
1.00
0.75
0.25
HARA TERISTICS
10
1k
0.5
0
10
LTC1091/LTC1092/LTC1093/LTC1094
Maximum Filter Resistor vs
Cycle Time
4
LTC1091 Offset Error vs
Supply Voltage
7
6
5
4
3
2
1
0
f
T
V
C
CLK
4
LTC1091 Supply Current vs
Supply Voltage
FILTER
A
OS
V
IN
= 25 C
f
CS = V
T
= 0.85mV AT V
CLK
= 500kHz
5
A
R
= 25 C
C
FILTER
1 F
5
= 500kHz
SUPPLY VOLTAGE (V)
CC
100
CYCLE TIME ( s)
6
(V
SUPPLY VOLTAGE (V)
REF
6
+
–
)
CC
7
††
(V
7
MAXIMUM R
CHANGE IN FULL-SCALE ERROR FROM ITS VALUE AT R
REF
1000
) = 5V
8
8
1091/2/3/4 G11
1091/2/3/4 G14
FILTER
9
1092/2/3/4 G17
9
10000
REPRESENTS THE FILTER RESISTOR VALUE AT WHICH A 0.1LSB
10
10
1.25
1.00
0.75
0.25
0.1
0.5
1.8
1.6
1.4
1.2
1.0
0.8
0.6
10
1
100
0
–50
LTC1091/LTC1092/LTC1093/LTC1094
Sample-and-Hold Acquisition Time
vs Source Resistance
4
LTC1091 Supply Current vs
Temperature
LTC1091 Linearity Error vs
Supply Voltage
f
T
V
T
0V TO 5V INPUT STEP
CLK
A
A
CC
–25
= 25 C
= 25 C
= 5V
= 500kHz
5
AMBIENT TEMPERATURE ( C)
SUPPLY VOLTAGE (V)
0
FILTER
6
R
SOURCE
25
= 0 IS FIRST DETECTED.
1k
7
+ ( )
V
50
IN
R
f
V
CS = 5V
CLK
SOURCE
8
CC
75
(V
= 500kHz
REF
+
1091/2/3/4 G12
1091/2/3/4 G15
1091/2/3/4 G18
100
+
–
9
) = 5V
10k
125
10