AS1108-WL ams, AS1108-WL Datasheet - Page 5

• Manufacturer Part Number: AS1108-WL
• Description: LED Display Drivers
• Manufacturer: ams

Specifications of AS1108-WL

• Rohs: yes
• Number Of Digits: 4
• Number Of Segments: 7
• Mounting Style: SMD/SMT
• Package / Case: SOIC-20
• Operating Supply Voltage: 5 V
• Maximum Supply Current: 1 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Number Of Leds: 1
• Power Dissipation: 941 mW

AS1108
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
V
Figure 3. Scan Frequency vs.Temperature
Figure 5. I
Figure 7. I
www.austriamicrosystems.com/LED-Driver-ICs/AS1108
DD
1980
1960
1940
1920
1900
1880
1860
= 5V, R
50
45
40
35
30
25
20
15
10
50
45
40
35
30
25
20
15
10
5
0
5
0
-40
0 0.5
-40
SEG
SEG
SET
-20
-20
vs. Temperature
vs. V
1 1.5
= 9.53k
V
V
V
DD
V
DD
DD
DD
OUT
= 2.7V, V
0
0
= 5V, V
= 2.7V, V
= 5V, V
T
Ω
T
2 2.5 3 3.5
AMB
V
AMB
, T
OUT
20
20
R
R
R
(°C)
OUT
AMB
(°C)
OUT
OUT
SET
SET
SET
(V)
OUT
= 2.4V
40
40
= 10kΩ
= 20kΩ
= 40kΩ
= 25ºC (unless otherwise specified).
= 4V
= 2.4V
= 2V
60
60
4 4.5
80
80
5
Revision 2.12
Figure 4. Scan Frequency vs. V
Figure 6. I
Figure 8. I
25
20
15
10
60
50
40
30
20
10
1960
1940
1920
1900
1880
1860
1840
1820
1800
5
0
0
0
2
2
SEG
SEG
2.5
0.5
V
vs. V
vs. V
V
OUT
OUT
3
3
DD
= 1.7V
OUT
V
= 2.4V
3.5
DD
1
V
R
R
R
V
= 2.7V
OUT
DD
SET
SET
SET
V
DD
4
(V)
(V)
V
= 10kΩ
= 20kΩ
= 40kΩ
1.5
4
OUT
(V)
4.5
DD
= 4V
2
5
5
5.5
2.5
6
6
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