LTC1052/LTC7652
U
TYPICAL APPLICATIO S
±100mA Output Drive
Increasing Output Current
5V
100k
220pF
V
IN
74C04
5V
5V
100pF
1M
V
2
3
7
–
5V
10k
6
2
3
7
LTC1010
LTC1052
INPUT
–
OUT
8
OUTPUT
6
LTC1052
+
4
±100mA
8
1
+
– 5V
4
R
L
1
0.1µF
0.1µF
0.1µF
0.1µF
– 5V
100k
LOAD OUTPUT SWING
V
V
= 5µV
/∆T = 50µV/°C
OS
OS
100Ω
2000pF
GAIN = 10
10k
5k
2.5k
1k
± 4.92V
± 4.84V
± 4.65V
± 3.65V
FULL POWER BANDWIDTH = 1kHz
LTC1052/7652 • TA10
220Ω
LTC1052/7652 • TA11
Single 5V Thermocouple Amplifier with Cold Junction Compensation
5V
+
V
T
–
1k
100k
R1
LT1004-1.2
5V
4
1690Ω
†
5k AT 25°C
5V
3
2
7
7
8
–
6
R
R
F
V
= V 1 +
LTC1052
OUT
T
(
)
1820Ω
187Ω
l
8
+
4
11
12
1
1µF
1µF
0.1µF
0.1µF
R
C *
F
F
13
6
14
5
43k
5V
R
l
2
+
1µF
IN914
1µF
NONPOLARIZED
3
10k
≈ – 0.5V
18
16
15
LTC1052/7652 • TA12
THERMOCOUPLE
TYPE
R1
LTC1043
17
†
J
K
T
S
232k
301k
301k
2.1M
YELLOW SPRINGS INST. CO. PART #44007
*CHOOSE C TO FILTER NOISE
0.0047µF
F
1052fa
15