LT1006_02 Datasheet, PDF (11/16 Pages) Linear Technology – Precision, Single Supply Op Amp

TYPICAL APPLICATIO S
Platinum RTD Signal Conditioner
with Curvature Correction
+V V = 5.6V TO 10V
39k
1µF
LM334
IK = 100µA
1.21k*
1N457
12k*
5k
400°C
43.2k** ^TRIM
50k
5°C
TRIM
+V
10k*
1k**
1k**
1k**
RP
1k @
0°C
180k
7
–8
LT1006
+₄
1µF
1.21M*
R_P = ROSEMOUNT 118MF
** = TRW MAR-6 0.1%
* = 1% METAL FILM
0.02V TO 4V OUT =
2°C TO 400°C
±0.25°C
LT1006 • TA05
LT1006
Voltage Controlled Current Source
with Ground Referred Input and Output
5V
INPUT
0V TO 2V
3
+
7
6
LT1006
2
–₄
0.68µF
5V
1k
4
8
7
11
1µF
1µF
12
100Ω
14
13
1/2 LTC1043
17
16
0.001µF
I_OUT
=
V_IN
100Ω
OPERATES FROM A SINGLE 5V SUPPLY
LT1006 • TA06
Micropower 1MHz V/F Converter
INPUT
0V TO 5V
9V
100Hz
3.1k* TRIM
200k*
220k** TYP
2k
120k** 20k
TYP 1MHz
TRIM
2µF
470k
+ ⁷⁸
A1
LT1006
–₄
0.33µF
47k
0.01µF
VOLTAGE
CONTROLLED
CURRENT
SOURCE
12k
Q8
2N3906
TRIGGER
NC
Q7
3pF 1N4148
STRAY
CAPACI-
TANCE
Q5
1000pF
(POLYSTYRENE)
= 2N3904
Q6
* = 1% METAL FILM
** = 1% METAL FILM, SELECTED
= 74C14
CHARGE PUMP
9V
LM334
2k*
+
10µF
Q1
Q2
Q3 REFERENCE
1 12 ₁₁ 1 12 ₁₁
74C90
74C90
14
14
÷100
Q4
LT1004-2.5
LT1004-1.2
OUTPUT
0MHz TO 1MHz
REFERENCE
SWITCH
0.12% LINEARITY
280µA QUIESCENT CURRENT
680µA AT 1MHz
LT1006 • TA07
1006fa
11