AS1115 datasheet(7/26 Pages) AMSCO

Part #	AS1115

Description	64 LEDs, IC Inter faced LED Dr iver wi th Keyscan

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Manufacturer	AMSCO [ams AG]

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www.austriamicrosystems.com/LED-Driver-ICs/AS1115

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AS1115

Datasheet - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s

7 Typical Operating Characteristics

RSET = 9.53k

Ω, VRset = VDD;

Figure 4. Display Scan Rate vs. Supply Voltage;

Figure 5. Display Scan Rate vs. Temperature;

680

700

720

740

760

780

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

Vdd (V)

Tamb=-40°C

Tamb=+25°C

Tamb=+85°C

680

700

720

740

760

780

800

-40

-15

10

35

60

85

Tamb (°C)

V dd=2.7V

V dd=4V

V dd=5V

V dd=5.5V

Figure 6. Segment Current vs. Temperature;

Figure 7. Segment Current vs. RSET;

0

10

20

30

40

50

60

-40

-15

10

35

60

85

Tamb (°C)

V seg = 1.7V ; Vdd = 2.7V

V seg = 1.7V ; Vdd = 5V

V seg = 3V ; Vdd = 5V

V seg = 4V ; Vdd = 5V

0

10

20

30

40

50

0

10

20

30

40

50

60

70

80

90

Rset (kOhm)

Vseg = 4V; V dd = 5V

Vseg = 3V; V dd = 5V

Vseg = 2V; V dd = 5V

Vseg = 1.7V; V dd = 2.7V

Figure 8. Segment Current vs. Supply Voltage;

Figure 9. Segment Current vs. VDD; VRset = 2.8V

0

10

20

30

40

50

60

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

Vdd (V)

Vseg = 1.7V

Vseg = 3V

Vseg = 4V

0

5

10

15

20

25

30

35

40

45

50

2.7

3

3.3

3.6

3.9

4.2

Vdd (V)

Vseg = 1.7V

Vseg = 2V

Vseg = 2.3V

Vseg = 3.1V

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