參數(shù)資料
型號: UPD16682
廠商: NEC Corp.
英文描述: CONN CABLE CLAMP METAL #18 IP68
中文描述: 1 / 65稅LCD控制器/驅(qū)動器,片內(nèi)RAM
文件頁數(shù): 22/56頁
文件大?。?/td> 435K
代理商: UPD16682
Data Sheet S13368EJ3V0DS00
22
μ
PD16682
Equation 10
1.
EV
1
LC
V
)
Ra
Rb
1
V
+
=
The equation for determining V
EV
varies according to the product code (temperature gradient).
REG
EV
V
)
162
α
1
203
162
162
V
α
=
(-001 code, –0.05 % /
°
C)
REG
EV
V
)
162
α
1
178
162
V
=
(-002 code, –0.1 % /
°
C)
REG
EV
V
)
162
1
221
V
=
(-003 code, –0.15 % /
°
C)
REG
EV
V
)
162
1
V
α
=
(-004 code, 0 % /
°
C)
Ra
Rb
V
LC1
+
V
EV
(Constant voltage source + electronic volume)
V
REG
is the IC’s internal constant voltage source, whose voltage values (at T
A
= 25
°
C) are listed in Table 10
3
below.
Table 10
3. V
REG
Product Code
Temperature Gradient (%/
°
C)
V
REG
(V)
-001
–0.05
2.08
-002
–0.1
1.84
-003
–0.15
1.62
-004
0
2.39
Given
α
as the electronic volume command value, when data is set to the 6-bit electronic volume register, one of 64
statuses is set. Values for
α
corresponding to various electronic volume register settings are listed in Table 10
4
below.
Table 10
4.
α
Values Determined by Electronic Volume Register Settings
D
5
D
4
D
3
D
2
D
1
D
0
α
0
0
0
0
0
0
63
0
0
0
0
0
1
62
0
0
0
0
1
1
61
0
0
0
0
1
1
60
:
:
:
:
:
:
:
1
1
1
1
0
1
2
1
1
1
1
1
0
1
1
1
1
1
1
1
0
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