LT1014, LT1014A, LT1014D

QUAD PRECISION OPERATIONAL AMPLIFIERS

SLOS039D − JULY 1989 − REVISED AUGUST 2009

22

POST OFFICE BOX 655303

APPLICATION INFORMATION

To

Inverter

Driver

5 V

100 k

Ω

10 k

68 k

4.3 k

Ω

5 V

LT1004

1.2 V

4 k

2 k

Ω

4-mA

Trim

IN

0 to 4 V

1 k

Ω

20-mA

Trim

301

0.1

Ω

T1

10

µF

4-mA to 20-mA OUT

Fully Floating

1N4002 (4)

+

−

1/4

LT1014

1/4

LT1014

+

−

+

Figure 31. Fully Floating Modification to 4-mA to 20-mA Current-Loop Transmitter With 8-Bit Accuracy

IN+

IN−

5 V

OUT A

R2

R1

1

µF

1

µF

1/2 LTC1043

1/4

LT1014

+

−

6

18

15

5

6

8

4

7

2

3

IN+

IN−

OUT B

R2

R1

1

µF

1

µF

1/2 LTC1043

1/4

LT1014

+

−

7

13

14

3

2

1

11

12

5

8

0.01

µF

Figure 32. 5-V Single-Supply Dual Instrumentation Amplifier