參數(shù)資料
型號： AD7312Q
廠商： Electronic Theatre Controls, Inc.
英文描述： 1/4 to 1/11 Duty VFD Controller/Driver & Standby Master/Slave
中文描述： 1 / 4至1 / 11的職責(zé)VFD顯示控制器/驅(qū)動器
文件頁數(shù)： 5/12頁
文件大?。?/td> 212K
代理商： AD7312Q
AD7312
(Preliminary)
1/4 to 1/11 Duty VFD Controller/Driver & Standby Master/Slave
Absolute Maximum Ratings
(T
A
=25
o
C,V
SS
=0V )
Parameter
Logic Supply Voltage
Driver Supply Voltage
Logic Input Voltage
VFD Driver Output Voltage
LED Driver Output Current
Anachip Corp.
www.anachip.com.tw
Rev. A2 Dec 29, 2003
5/12
Symbol
V
DD
V
EE
V
I1
V
O2
I
O1
Rating
-0.5 to +7.0
V
DD
+0.5 to V
DD
-40
-0.5 to V
DD
+0.5
V
EE
-0.5 to V
DD
+0.5
+15
-40 (grid)
-15 (segment)
-25 to +85
-50 to +125
Unit
V
V
V
V
mA
VFD Driver Output Current
I
O2
mA
Operating Ambient Temperature
Storage Temperature
T
OPT
T
STG
o
C
o
C
Operating Conditions
(T
A
=0 to +70
o
C,V
SS
=0V)
Parameter
Symbol
Logic Supply Voltage
High-Level Input Voltage
Low-Level Input Voltage
Driver Supply Voltage
DC Characteristics
(T
A
=0 to 70
o
C, V
DD
=4.5 to 5.5V, V
SS
=0V, V
EE
=V
DD
-35V)
Parameter
Symbol
High-Level Output Voltage
V
OH1
LED
1/
LED
4
, I
OH1
=-1mA
Low-Level Output Voltage
V
OL1
LED
1/
LED
4
, I
OL1
=12mA
Low-Level Output Voltage
V
OL2
D
OUT
, I
OL2
=2mA
High-Level Output Current
I
OH21
V
O
=V
DD
-2V, Seg
1
to Seg
11
V
O
=V
DD
-2V, Grid
1
to Grid
6
Seg
12
/Grid
11
to Seg
16
/Grid
7
Driver Leakage Current
I
OLEAK
V
O
=V
DD
-35V, driver off
Output Pull-Down Resistor
R
L
Driver output
High-Level Input Voltage
V
IH
Low-Level Input Voltage
V
IL
Conditions
Min.
4.5
0.7·V
DD
0
0
Typ.
5
Max.
5.5
V
DD
0.3·V
DD
V
DD
-35
Unit
V
V
V
V
V
DD
V
IH
V
IL
V
EE
Conditions
Min.
0.9V
DD
-3
Typ.
Max.
1
0.4
Unit
V
V
V
mA
High-Level Output Current
I
OH22
-15
mA
-10
150
0.3V
DD
μ
A
k
Ω
V
V
50
100
0.7V
DD
AC Characteristics
(T
a
=0 to +70
o
C,V
DD
=4.5 to 5.5 V, V
EE
=-30V)
Parameter
Symbol
Oscillation Frequency
f
OSC
Maximum Clock Frequency
f
max.
Clock Pulse Width
PW
CLK
Strobe Pulse Width
PW
STB
Data Setup Time
t
SETUP
Data Hold Time
t
HOLD
Clock-Strobe Time
t
CLK-STB
Wait Time
t
WAIT
t
PHZ
Propagation delay time
t
PZL
Rise time
t
TZH
Fall time
t
THZ
Note : Refer to page 8.
Conditions
Min.
350
500
1
100
100
1
1
Typ.
500
Max.
650
1
300
100
2
160
Unit
KH
Z
MH
Z
ns
μs
ns
ns
μs
μs
ns
ns
μs
μs
R=51 k
Ω
Duty=50%
CLK
↑→
STB
↑
CLK
↑→
CLK
↓
(Note)
CLK
→
D
OUT
C
L
=15pF,R
L
=10 k
Ω
C
L
=300pF
Seg
n
,Grid
n
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