LB1946

No.7115-8/16

Serial Transmission Data Definitions

IA4

IA3

IA2

IA1

DE1

PH1

IB4

IB3

IB2

IB1

DE2

PH2

Output mode

No.

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

OUTA

OUTA-

OUTB

OUTB-

I/O

ratio

DEC

MODE

0

1

1

1

1

1

1

1

1

1

1

1

1

H

L

H

L

100%

SLOW

1

1

1

1

0

1

1

1

1

1

0

1

1

H

L

H

L

96

SLOW

2

1

1

0

1

1

1

1

1

0

1

1

1

H

L

H

L

91

SLOW

3

1

1

0

0

1

1

1

1

0

0

1

1

H

L

H

L

87

SLOW

4

1

0

1

1

1

1

1

0

1

1

1

1

H

L

H

L

83

SLOW

5

1

0

1

0

1

1

1

0

1

0

1

1

H

L

H

L

78

SLOW

6

1

0

0

1

1

1

1

0

0

1

1

1

H

L

H

L

74

SLOW

7

1

0

0

0

1

1

1

0

0

0

1

1

H

L

H

L

70

SLOW

8

0

1

1

1

1

1

0

1

1

1

1

1

H

L

H

L

61

SLOW

9

0

1

1

0

1

1

0

1

1

0

1

1

H

L

H

L

52

SLOW

10

0

1

0

1

1

1

0

1

0

1

1

1

H

L

H

L

44

SLOW

11

0

1

0

0

1

1

0

1

0

0

1

1

H

L

H

L

35

SLOW

12

0

0

1

1

1

1

0

0

1

1

1

1

H

L

H

L

26

SLOW

13

0

0

1

0

1

1

0

0

1

0

1

1

H

L

H

L

17

SLOW

14

1

1

1

1

0

0

1

1

1

1

0

0

L

H

L

H

100

FAST

15

1

1

1

0

0

0

1

1

1

0

0

0

L

H

L

H

96

FAST

16

1

1

0

1

0

0

1

1

0

1

0

0

L

H

L

H

91

FAST

17

1

1

0

0

0

0

1

1

0

0

0

0

L

H

L

H

87

FAST

18

1

0

1

1

0

0

1

0

1

1

0

0

L

H

L

H

83

FAST

19

1

0

1

0

0

0

1

0

1

0

0

0

L

H

L

H

78

FAST

20

1

0

0

1

0

0

1

0

0

1

0

0

L

H

L

H

74

FAST

21

1

0

0

0

0

0

1

0

0

0

0

0

L

H

L

H

70

FAST

22

0

1

1

1

0

0

0

1

1

1

0

0

L

H

L

H

61

FAST

23

0

1

1

0

0

0

0

1

1

0

0

0

L

H

L

H

52

FAST

24

0

1

0

1

0

0

0

1

0

1

0

0

L

H

L

H

44

FAST

25

0

1

0

0

0

0

0

1

0

0

0

0

L

H

L

H

35

FAST

26

0

0

1

1

0

0

0

0

1

1

0

0

L

H

L

H

26

FAST

27

0

0

1

0

0

0

0

0

1

0

0

0

L

H

L

H

17

FAST

28

0

0

0

0

*

*

0

0

0

0

*

*

OFF

OFF

OFF

OFF

0

-

Note *: Don't care (0 or 1)

Note 1: In the mixed decay mode, set D4 and D10 to 0 and set the MD pin to a level shown below.

Programmable MD voltage range

VCC=5V specifications: 1.6 to 3.9V

VCC=3.3V specifications: 1.2 to 2.5V

Current Settings Truth Table

* Items in parentheses are defined by the serial data.

IA4 (D0)

IA3 (D1)

IA2 (D2)

IA1 (D3)

Set Current IOUT

Current Ratio (%)

1

1

1

1

11.5/11.5

×VREF/3.04RE=IOUT

100

1

1

1

0

11.0/11.5

×VREF/3.04RE=IOUT

95.65

1

1

0

1

10.5/11.5

×VREF/3.04RE=IOUT

91.30

1

1

0

0

10.0/11.5

×VREF/3.04RE=IOUT

86.95

1

0

1

1

9.5/11.5

×VREF/3.04RE=IOUT

82.61

1

0

1

0

9.0/11.5

×VREF/3.04RE=IOUT

78.26

1

0

0

1

8.5/11.5

×VREF/3.04RE=IOUT

73.91

1

0

0

0

8.0/11.5

×VREF/3.04RE=IOUT

69.56

0

1

1

1

7.0/11.5

×VREF/3.04RE=IOUT

60.87

0

1

1

0

6.0/11.5

×VREF/3.04RE=IOUT

52.17

0

1

0

1

5.0/11.5

×VREF/3.04RE=IOUT

43.48

0

1

0

0

4.0/11.5

×VREF/3.04RE=IOUT

34.78

0

0

1

1

3.0/11.5

×VREF/3.04RE=IOUT

26.08

0

0

1

0

2.0/11.5

×VREF/3.04RE=IOUT

17.39

Note 1: The current ratios shown are calculated values.