LM134-LM234 STMicroelectronics, LM134-LM234 Datasheet - Page 6

• Manufacturer Part Number: LM134-LM234
• Description: THREE TERMINAL ADJUSTABLE CURRENT SOURCES
• Manufacturer: STMicroelectronics

LM134-LM234-LM334
Figure 3 : Terminating Remote Sensor for
6/10
TYPICAL APPLICATIONS
Figure 1 :
V
R
R
O
set
L
= 10k
= ( I
= 230
set
) (R
L
Voltage Output
) = 10mV/
Basic 2-terminal Current Source
R
V
V
L
i
i
V
V
V
i
V
V
O
K
ADJ
ADJ
V
O
R
R
set
set
Figure 2 :
Figure 4 : Zero Temperature Coefficient Current
* Select ratio of R1 to R
* For 10% adjustment, select Rset 10%
high and make R1
zero dri ft i
1N 457
D1
R1*
+
V
V
Source
Alternate Trimming Technique
2I
V
V
set
V
V
i
i
i
i
i
V
V
3 Rset
R
set
ADJ
set
to obtain
ADJ
R
10
set
R1*
R
set