AD6315
1/4- to 1/12 Duty VFD Controller/Driver
Electrical Characteristics
(T
A
= -20 to +70°C, V
DD
= 4.5 to 5.5V, V
SS
= 0V, V
EE
= V
DD
–35V)
Parameter
High-level output voltage
Low-level output voltage
Low-level output voltage
High-level output current
High-level output current
Driver leakage current
Output pull-down resistor
Input current
High-level input voltage
Low-level input voltage
Hysteresis voltage
Dynamic current consumption
Symbol
V
OH1
V
OL1
V
OL2
I
OH21
I
OH22
I
OLEAK
R
L
I
I
V
IH
V
IL
V
H
I
DDdyn
CLK, D
IN
, STB
Under no load, display off
0.35
5
Conditions
Min.
Typ.
Max.
Unit
V
1
0.4
-0.3
-15
-10
35
﹣1
0.7V
DD
0.3 V
DD
45
120
﹢1
V
V
mA
mA
µA
kΩ
µA
V
V
V
mA
LED
1
– LED
4
, I
OH1
= -12 mA V
DD
-1
LED
1
– LED
4
, I
OL1
= +12mA
D
OUT
, I
OL2
=2mA
V
O
= V
DD
–2V,
Seg
1
/KS
1
to Seg
16
/KS
16
V
O
= V
DD
–2V,Grid
1
to Grid
4
Seg
17
/Grid
12
to Seg
24
/Grid
5
V
O
= V
DD
–35V, driver off
Driver output
V
I
=V
DD
or V
SS
Switching Characteristics
(T
A
= -20 to +70°C, V
DD
= 4.5 to 5.5V, V
EE
= –30V)
Parameter
Oscillation frequency
Propagation delay time
Rise time
Fall time
Maximum clock frequency
Input capacitance
Symbol
f
OSC
t
PHZ
t
PZL
t
TZH1
t
TZH2
t
THZ
F
MAX.
C
I
Conditions
R=82 kΩ
CLK→D
OUT
C
L
=15pF,R
L
=10 kΩ
C
L
=300pF
Seg
1
/KS
1
to Seg
16
/KS
16
Grid
1
to Grid
4
,
Seg
17
/Grid
12
to Seg
24
/Grid
5
Min.
350
Typ.
500
Max.
650
300
100
2
0.5
160
1
15
Unit
kHz
ns
ns
µS
µS
µS
MHz
pF
C
L
=300pF, Seg
n
, Grid
n
Duty=50%
Anachip Corp.
www.anachip.com.tw
5/16
Rev. A5 Dec 29, 2003
ANACHIP [ ANACHIP CORP ]
