REF102

9

SBVS022B

www.ti.com

+30V

6

31.4V to 56V

2

4

6

2

6

2

4

+20V

+10V

REF102

4

REF102

REF102

NOTES: (1) REF102s can be stacked to obtain voltages in multiples of 10V.

(2) The supply voltage should be between 10n + 1.4 and 10n + 26, where

n is

the number of REF102s. (3) Output current of each REF102 must not exceed

its rated output current of +10,

−5mA. This includes the current delivered to

the lower REF102.

–

+

2

4

6

+5V

Out

INA105

2

5

1

3

6

–5V

Out

REF102

V+

–

+

2

4

6

+10V

+5V

INA105

5

1

3

6

2

REF102

V+

Ω

–

+

OPA227

6

2k

+10V

REF102

(2)

2

R

1k

1

4

V

OUT 2

Ω

REF

V

C

1

1

µF

C

2

1

µF

R

2

2k

Ω

V

REF =(V01 + V02 … VOUT N)

N

e

N = 5µVPP (f = 0.1Hz to 1MHz)

See SBVA002 for more details.

√N

2

3

Ω

6

2k

REF102

(1)

2

4

V

OUT 1

Ω

6

2k

V

OUT N

V+

REF102

(N)

2

4

V+

V+

FIGURE 11. Stacked References.

FIGURE 12.

±5V Reference.

FIGURE 13. +5V and +10V Reference.

FIGURE 14. Precision Voltage Reference with Extremely

Low Noise.