LT1014DS View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT1014DS' PDF : 20 Pages View PDF
LT1013/LT1014
TYPICAL APPLICATIONS
+5V
Q3
2N2905
5V Powered 4mA–20mA Current Loop Transmitter†
820Ω
74C04
(6)
T1
Q1
2N2905
10µF
+
68Ω
Q4
2N2222
2k
100pF
† 12-BIT ACCURACY.
* 1% FILM.
T1 = PICO-31080.
10k
0.33
0.002
10k
+5V
8
2
1
A1
1/2 LT1013
3
4k*
820Ω
100k
4
10k*
4.3k
+5V
1k
4mA
TRIM 7
LT1004
1.2V
Q2
2N2905
6
A2
1/2 LT1013
5
INPUT
0 TO 4V
10µF
+
1N4002 (4)
10k*
10k*
20mA
TRIM
80k*
100Ω*
4mA-20mA OUT
TO LOAD
2.2kΩ MAXIMUM
Fully Floating Modification to 4mA-20mA Current Loop†
TO INVERTER 7
DRIVE
+5V
8
6
A1
1/2 LT1013
5
4
10k*
4.3k
+5V
LT1004
1.2V
T1
0.1Ω
3
100k
1
A2
1/2 LT1013
2
68k*
4k* 301Ω*
1k
20mA
TRIM
2k
4mA
TRIM
INPUT
0V–4V
+
10µF
1N4002 (4)
† 8-BIT ACCURACY.
4mA-20mA OUT
FULLY FLOATING
14
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