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AD7312LF Datasheet(PDF) 5 Page - List of Unclassifed Manufacturers

Part # AD7312LF
Description  1/4 to 1/11 Duty VFD Controller/Driver & Standby Master/Slave
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AD7312LF Datasheet(HTML) 5 Page - List of Unclassifed Manufacturers

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AD7312
1/4 to 1/11 Duty VFD Controller/Driver & Standby Master/Slave (Preliminary)
Anachip Corp.
www.anachip.com.tw
Rev. A2 Dec 29, 2003
5/12
Absolute Maximum Ratings (T
A=25
oC,V
SS=0V )
Parameter
Symbol
Rating
Unit
Logic Supply Voltage
VDD
-0.5 to +7.0
V
Driver Supply Voltage
VEE
VDD +0.5 to VDD -40
V
Logic Input Voltage
VI1
-0.5 to VDD +0.5
V
VFD Driver Output Voltage
VO2
VEE-0.5 to VDD +0.5
V
LED Driver Output Current
IO1
+15
mA
VFD Driver Output Current
IO2
-40 (grid)
-15 (segment)
mA
Operating Ambient Temperature
TOPT
-25 to +85
oC
Storage Temperature
TSTG
-50 to +125
oC
Operating Conditions (T
A=0 to +70
oC,V
SS=0V)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Logic Supply Voltage
VDD
4.5
5
5.5
V
High-Level Input Voltage
VIH
0.7·VDD
VDD
V
Low-Level Input Voltage
VIL
0
0.3·VDD
V
Driver Supply Voltage
VEE
0
VDD-35
V
DC Characteristics (T
A=0 to 70
oC, V
DD=4.5 to 5.5V, VSS=0V, VEE=VDD-35V)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
High-Level Output Voltage
VOH1
LED1/LED4, IOH1=-1mA
0.9VDD
V
Low-Level Output Voltage
VOL1
LED1/LED4, IOL1=12mA
1
V
Low-Level Output Voltage
VOL2
DOUT, IOL2=2mA
0.4
V
High-Level Output Current
IOH21
VO=VDD-2V, Seg1 to Seg11
-3
mA
High-Level Output Current
IOH22
VO=VDD-2V, Grid 1 to Grid6
Seg12/Grid11 to Seg16/Grid7
-15
mA
Driver Leakage Current
IOLEAK
VO=VDD-35V, driver off
-10
μ
A
Output Pull-Down Resistor
RL
Driver output
50
100
150
High-Level Input Voltage
VIH
0.7VDD
V
Low-Level Input Voltage
VIL
0.3VDD
V
AC Characteristics (T
a=0 to +70
oC,V
DD=4.5 to 5.5 V, VEE=-30V)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Oscillation Frequency
fOSC
R=51 kΩ
350
500
650
KHZ
Maximum Clock Frequency
fmax.
Duty=50%
1
MHZ
Clock Pulse Width
PWCLK
500
ns
Strobe Pulse Width
PWSTB
1
µs
Data Setup Time
tSETUP
100
ns
Data Hold Time
tHOLD
100
ns
Clock-Strobe Time
tCLK-STB
CLK↑→STB↑
1
µs
Wait Time
tWAIT
CLK↑→CLK↓(Note)
1
µs
tPHZ
CLK→DOUT
300
ns
Propagation delay time
tPZL
CL=15pF,RL=10 kΩ
100
ns
Rise time
tTZH
2
µs
Fall time
tTHZ
CL=300pF
Segn,Gridn
160
µs
Note : Refer to page 8.


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