ltc1043csw-trpbf Linear Technology Corporation, ltc1043csw-trpbf Datasheet - Page 12

• Manufacturer Part Number: ltc1043csw-trpbf
• Description: Dual Precision Instrumentation Switched-capacitor Building Block
• Manufacturer: Linear Technology Corporation

LTC1043
TYPICAL APPLICATIO S
12
NC
NC
13
7
1µF
*
R
1% FILM RESISTOR
TRIM SEQUENCE:
p
SET SENSOR TO 0°C VALUE. ADJUST ZERO FOR 0V OUT
SET SENSOR TO 100°C VALUE. ADJUST GAIN FOR 1,000V OUT
SET SENSOR TO 400°C VALUE. ADJUST LINEARITY FOR 4,000V OUT
REPEAT AS REQUIRED
2k
= ROSEMOUNT 118MFRTD
V
V
11
12
IN
IN
13
7
3
2
14
+
–
8
1/2 LT1013
1/2 LTC1043
0.1µF
5V
11
12
Single Supply Precision Linearized Platinum RTD Signal Conditioner
8
4
1µF
2
3
6
5
C
0.01µF
C
0.01µF
L
L
Quad Single 5V Supply, Low Hold Step, Sample-and-Hold
U
–
+
–
+
1
1/4 LT1014
1/4 LT1014
14
8
1mA
887Ω
5V
11
4
2.74k*
R
100Ω
AT 0°C
1
p
7
OUTPUT
OUTPUT
LTC1043 • A15
50k
ZERO
ADJUST
8.25k*
10k*
15
16
5
LT1009
2.5V
2.4k
1/2 LTC1043
0.01µF
250k*
5V
4
2
3
SAMPLE
1µF
HOLD
18
17
6
NC
NC
(LINEARITY CORRECTION LOOP)
18
16
6
1µF
FOR 1V ≤ V
ACQUISITION TIME ~ 8 • R
5
6
V
V
+
–
17
1/2 LT1013
2
3
IN
IN
IN
ADJUST
≤ 4V, THE HOLD STEP IS ≤ 300µV
– 5V
8.06k*
15
GAIN
5
4
0V TO 4V = 0°C TO 400°C
1k
7
1k*
13
12
10
±0.05°C
5k
ON
9
C
0.01µF
C
0.01µF
L
L
C
LTC1043 • A17
–
+
–
+
H
1/4 LT1014
1/4 LT1014
FOR 10-BIT ACCURACY
14
8
OUTPUT
OUTPUT
LTC1043 • A16
1043fa