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IRC reserves the right to make changes in product specification without notice or liability.

All information is subject to IRC’s own data and is considered accurate at time of going to print.

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R-2R Series Issue January 2009 Sheet 1 of 2

R-2R Series

Electrical Data

Resistance Value

(ohms)

Absolute

Tolerance

(%)

Ratio

Tolerance

Absolute TCR

(ppm/°C)

TCR Tracking

(ppm/°C)

Operating

Temperature Range

(°C)

10K/20K and 25K/50K

±2%

±1 LSB

±25, ±50, ±100

±5

-55 to +125

R-2R Ladder Network

Schematic Data

1

2

3

4

5

6

7

8

13

14

15

16

17

18

19

20

2R

10

9

12

11

R

2R

2R

R

R

R

R

R

R

2R

2R

2R

2R

2R

2R

2R

2R

R

R

1

2

3

4

5

6

7

8

13

14

15

16

2R

10

9

12

11

R

2R

2R

R

R

R

R

R

R

2R

2R

2R

2R

2R

2R

QS009 20-Pin,10 bit, R-2R Schematic

QS014 16-Pin,8 bit, R-2R Schematic