BU2506FV,BU2505FV

Technical Note

7/10

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2011.04 - Rev.B

© 2011ROHM Co., Ltd. All rights reserved.

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Electrical Characteristics Curves

Fig.2 Output voltage linearity (25℃)

Fig.1 Output voltage linearity (-30℃)

0

1

2

3

4

5

6

0

200

400

600

800

1000

1200

Input Code [decimal]

0

1

2

3

4

5

6

0

200

400

600

800

1000

1200

Input Code [decimal]

0

1

2

3

4

5

6

0

200

400

600

800

1000

1200

Input Code [decimal]

Fig.3 Output voltage linearity (85℃)

-1.5

-1

-0.5

0

0.5

1

1.5

0

200

400

600

800

1000

1200

Input Code [decimal]

Fig.4 Differential linearity error (-30℃)

Fig.5 Differential linearity error (25℃)

Fig.6 Differential linearity error (85℃)

10

15

20

25

30

35

40

4

4.2 4.4 4.6 4.8

5

5.2 5.4 5.6 5.8

6

Vin [V]

-1.5

-1

-0.5

0

0.5

1

1.5

0

200

400

600

800

1000

1200

Fig.7 Integral linearity error (-30℃)

Fig.8 Integral linearity error (25℃)

Fig.9 Integral linearity error (85℃)

-1.5

-1

-0.5

0

0.5

1

1.5

0

200

400

600

800

1000

1200

Input Code [decimal]

-1.5

-1

-0.5

0

0.5

1

1.5

0

200

400

600

800

1000

1200

Input Code [decimal]

-1.5

-1

-0.5

0

0.5

1

1.5

0

200

400

600

800

1000

1200

Input Code [decimal]

Fig.10 Circuit current temperature

characteristic

Fig.11 Output load fluctuation characteristic

(input code: 1FFh)

2.48

2.49

2.5

2.51

2.52

-2.5

-1.5

-0.5

0.5

1.5

2.5

IOUT [mA]

Fig.12 Pull-up built in resistance

characteristic

Ta=-30℃

Ta=25℃

Ta=85℃

10

15

20

25

30

35

40

4

4.2

4.4

4.6

4.8

5

5.2

5.4

5.6

5.8

6

Vin [V]

Ta=-30℃

Ta=25℃

Ta=85℃

code=1FFh

code=000h

code=3FFh

0

1

2

3

4

5

6

-40

10

60

]

Temp. [ ℃