PCF2119AU/2DA/2 NXP [NXP Semiconductors], PCF2119AU/2DA/2 Datasheet - Page 9

• Manufacturer Part Number: PCF2119AU/2DA/2
• Description: LCD controllers/drivers
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
Table 5.
All values at T
PCF2119X_5
Product data sheet
Integer values
of V
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
A
and V
Values of V
B
ref
8.4.1 Programming ranges
= 27 C; allowed values are highlighted.
Corresponding
value of V
V
1.90
1.98
2.06
2.14
2.22
2.30
2.38
2.46
2.54
2.62
2.70
2.78
2.86
2.94
3.02
3.10
3.18
3.26
3.34
3.42
3.50
LCD
A
switched off
Possible values for V
Remarks:
When the LCD supply voltage is generated on-chip, the V
V
temperature compensated.
In
to V
pump. The multiplication factor has to be set such, that V
multiplied with the programmed multiplication factor exceeds the required V
circumstances (i.e. at low temperatures and along with the temperature compensation -
and V
•
•
SS
Equation 2
LCD
Values producing more than 6.5 V at operating temperature are not allowed.
Operation above this voltage may damage the device. When programming the
operating voltage the temperature coefficient of V
Values below 2.2 V are below the specified operating range of the chip and are
therefore not allowed.
DD2
with a suitable capacitor. The generated V
B
in V
and the corresponding V
and V
the internal charge pump is not considered. However, if the supplied voltage
DD3
Integer values
of V
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
is below the required V
A
A
and V
Rev. 05 — 13 August 2009
and V
B
B
are between 0 to 63.
LCD
Corresponding
value of V
3.58
3.66
3.74
3.82
3.90
3.98
4.06
4.14
4.22
4.30
4.38
4.46
4.54
4.62
4.70
4.78
4.86
4.94
5.02
5.10
5.18
5.26
values
LCD
LCD
it is necessary to use the internal charge
in V
LCDOUT
LCDOUT
Integer values
of V
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
is independent of V
DD2
LCD
A
and V
pins should be decoupled to
and V
must be taken into account.
LCD controllers/drivers
B
DD3
PCF2119x
Corresponding
value of V
5.34
5.42
5.50
5.58
5.66
5.74
5.82
5.90
5.98
6.06
6.14
6.22
6.30
6.38
6.46
6.54
6.62
6.70
6.78
6.86
(which are equal)
© NXP B.V. 2009. All rights reserved.
DD
LCD
and is
under all
LCD
in V
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