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LTC1043CSW#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
LTC1043
10
1043fa
Single 5V Supply, Ultra Precision
Instrumentation Amplifier
Precision Instrumentation Amplifier
Voltage Controlled Current Source with
Ground Referred Input and Output
LTC1043 • A10
0.0047
INPUT AND OUTPUT VOLTAGE RANGE INCLUDES GROUND.
INPUT REFERRED OFFSET ERRORS ARE TYPICALLY 3µV WITH
1µV OF NOISE
CMRR ~ 120dB
12
11
7
13
INPUT
OUTPUT
A
V
= 1000
10k
1µF1µF
100Ω
43k
0.1µF0.1µF4
1
8
6
7
5V
3
2
LTC1043
14
16 4
3
2
1µF
1µF
NONPOLARIZED
5
15
1N914
5V
0.22µF
99.9k
6
18
8
+
–
V
+
= 5V
–
+
17
≈ –0.5V
~
LTC1052
LTC1043 • A11
8
14
1µF
100Ω
V
IN
100Ω
INPUT
0V TO 2V
1
OUT
=
1/2 LTC1043
13
16
12
11
7
1k
4
1
8
5V
2
3
1µF
0.001µF
OPERATES FROM A SINGLE 5V SUPPLY
0.68µF
5V
4
–
+
17
1/2 LT1013
LTC1043 • A12
0.01µF
3
2
4
6
1µF
1µF
1µF
1M
CHOPPER AC AMPLIFIER PHASE
SENSITIVE
DEMODULATOR
DC
OUTPUT AMPLIFIER
1µF
100k
100k
100Ω
100k
OUTPUT
0.01
R2
100k
R1
100Ω
+ INPUT
– INPUT
1/2 LTC1043
5
15
16
5V
1µF
5V
–5V
2
3
4
7
6
13
5V
–5V
3
2
4
7
6
1/4 LTC1043
1/4 LTC1043
8
7
11
OFFSET = 10µV
DRIFT = 0.1µV/°C
FULL DIFFERENTIAL INPUT
CMRR = 140dB
OPEN LOOP GAIN > 10
8
GAIN = R2/R1 + 1
I
BIAS
= 1nA
18
17
–
+
LT1056
–
+
LT1056
12
14
–5V
TYPICAL APPLICATIO S
U
LTC1043
11
1043fa
Lock-In Amplifier (= Extremely Narrow-Band Amplifier)
50MHz Termal RMS/DC Converter
LTC1043 • A013
13
1/4 LTC1043
T1 = TF5SX17ZZ, TOROTEL
R
T
= YSI THERMISTOR 44006
≈ 6.19k AT 37.5°C
MATCH 0.05%
6.19k = VISHAY S-102
OPERATE LTC1043 WITH
±5V SUPPLIES
LOCK-IN AMPLIFIER TECHNIQUE
USED TO EXTRACT VERY SMALL
SIGNALS BURIED INTO NOISE
5V
–5V
2
6.19k
100k
10k* 10k*
100Ω
0.01µF47µF
6.19k
14
3
6.19k
T1
500Hz
SINE DRIVE
THERMISTOR BRIDGE
IS THE SIGNAL SOURCE
SYNCHRONOUS
DEMODULATOR
RT
3
6
–
+
LT1007
5V
5V
–5V
ZERO CROSSING DETECTOR
2
3
4
1
8
1k
0.002
PHASE TRIM
50k
10k
7
5V
–5V
30pF
3
2
1
8
1M
1µF
–
+
LM301A
5V
–5V
2
3
4
6
–
+
LT1012
V
OUT
= 1000 • DC
BRIDGE SIGNAL
12
14 16
–
+
LT1011
*
+
LTC1043 • A14
30k* 30k*
100k*
301Ω*
10k
DC OUTPUT
0V TO 3.5V
10k
10k
RED RED
T1B
*1% RESISTOR
T2B
1A
N
T2 T2A
GRN
300mV
10V
RMS
INPUT
0.01µF
GRN
BRN
CALIBRATION ADJUST
20k
5V
5V
5V
10k
10k
3
2
4
1
8
5
6
7
2% ACCURACY DC 50MHZ
100:1 CREST FACTOR CAPABILITY
T1 TO T2 = YELLOW SPRINGS INST. CO.
THERMISTOR COMPOSITE
ENCLOSE T1 AND T2 IN STYROFOAM
3
2
4
6
1µF
1µF
1µF
0.01µF
1µF
1/2 LTC1043
5
15
5V
18
17
16
–
+
–
+
LT1013
LT1013
TYPICAL APPLICATIO S
U
LTC1043
12
1043fa
Quad Single 5V Supply, Low Hold Step, Sample-and-Hold
Single Supply Precision Linearized Platinum RTD Signal Conditioner
LTC1043 • A15
NC
OUTPUT
OUTPUT
NC
5V
2
3
11
4
1
11
7 8
V
IN
C
L
0.01µF
C
L
0.01µF
V
IN
6
5
7
12
13 14
–
+
1/4 LT1014
–
+
1/4 LT1014
– 5V
HOLD
SAMPLE
FOR 1V ≤ V
IN
≤ 4V, THE HOLD STEP IS ≤ 300µV
ACQUISITION TIME ~ 8 • R
ON
C
H
FOR 10-BIT ACCURACY
LTC1043 • A16
NC
OUTPUT
OUTPUT
NC
13
12
14
2
6 5
V
IN
C
L
0.01µF
C
L
0.01µF
9
10
8
3
18 15
16 17 4
–
+
1/4 LT1014
–
+
1/4 LT1014
V
IN
LTC1043 • A17
887Ω
1mA
R
p
= ROSEMOUNT 118MFRTD
1% FILM RESISTOR
TRIM SEQUENCE:
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
1µF
8.06k*
1k*
5k
0V TO 4V = 0°C TO 400°C
±0.05°C
1µF
2k
R
p
100Ω
AT 0°C
12
11
7
1µF
0.1µF
1/2 LTC1043
8
14
13
5
1µF
1/2 LTC1043
6
18
16
5V
5V
250k*
(LINEARITY CORRECTION LOOP)
2.4k
2.74k*
8.25k*
50k
ZERO
ADJUST
LT1009
2.5V
10k*
3
2
4
1
8
5
6
7
1k
GAIN
ADJUST
–
+
1/2 LT1013
–
+
1/2 LT1013
4
15
17
0.01µF
3
2
*
TYPICAL APPLICATIO S
U
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

LTC1043CSW#PBF

Mfr. #:
Buy LTC1043CSW#PBF
Manufacturer:
Analog Devices Inc.
Description:
Switch ICs - Various CMOS Sw Bldg Block-Front End
Lifecycle:
New from this manufacturer.
Delivery:
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