INA110

11

SBOS147A

www.ti.com

3

13

1

2

6

10

INA110

9

V

OUT

–15V

7

8

+15V

X10

SHC5320

In 1

In 2

In 15

In 16

1

8

FIGURE 9. Bridge Amplifier with 1Hz Low-Pass Input Filter.

FIGURE 10. AC-Coupled Differential Amplifier for

Frequencies Greater Than 0.016Hz.

X100

3

12

1

2

6

10

INA110

9

V

OUT

10M

Ω

–15V

100mV

PP

1

µF

10M

Ω

1

µF

7

8

+15V

300

Ω

3

11

1

2

6

10

INA110

9

V

OUT

75k

Ω(1)

–15V

7

8

+15V

NOTE: (1) Larger resistors and a smaller capacitor can be used.

1µF

(1)

X500

75k

Ω(1)

FET input allows low-pass filtering with minimal effect on DC accuracy.

V

REF

FIGURE 12. Rapid-Scanning-Rate Data Acquisition Channel

with 5

µs Settling to 0.01%.

FIGURE 13. 60Hz Input Notch Filter.

X10

3

13

1

2

6

10

INA110

9

V

OUT

–15V

5.34M

Ω(1)

NOTE: (1) For 50Hz use 3.16M

Ω and 6.37MΩ.

2k

Ω potentiometer sets Q.

7

8

+15V

V

IN

2k

Ω

5.34M

Ω(1)

1000pF

500pF

500pF

2.67M

Ω(1)

FIGURE 11. Programmable-Gain Instrumentation Amplifier

(Precision Noninverting or Inverting Buffer with

Gain).

1

13

12

16

11

3

2

6

10

8

9

V

OUT

–15V

∆V

IN

X10

X100

X200

X500

Decoder/

Latch/Driver

A

0

A

1

A

2

NOTE: Use manual switch or low resistance relay.

Layout is critical (see section on Dynamic Performance).

7

+15V