APL431
Electrical Characteristics (Cont.)
Symbol
Parameter
T
A
= 25°C ( unless otherwise noted)
APL431
Min.
2.487
2.475
2.450
Typ.
2.500
2.500
2.500
Max.
2.513
2.525
2.550
20
30
-3
-2.5
3
1
0.5
1
0.4
100
Test Conditions
V
KA
=V
REF
,
I
K
=10mA*
1
Unit
V
REF
∆
V
REF
/ T
∆
V
REF
/
∆
V
KA
I
REF
∆
I
REF
/T
I
K(min)
I
K(off)
|Z
KA
|
I
K
APL431A
Reference voltage
APL431B
APL431C
V
KA
=V
REF
,I
K
=10mA
Reference voltage
T =0 to 70°C*
1
drift over temp. range
A
T
A
=-40 to 85°C*
1
I
K
=10mA, V
KA
=V
REF
to 10V
*2
Voltage ratio (open
loop gain)
I
K
=10mA, V
KA
=V
REF
to 20V
*2
I
K
=10mA,
Reference current
R
1
=10k
Ω
, R
2
=open
*2
I
K
=10mA, R
1
=10k
Ω
,
Reference current
drift
R
2
=open, T
A
= -40 to 85
°
C
*2
Min. cathode current V
KA
=V
REF*1
Off-state cathode
V
KA
= 20V, V
REF
= 0V
*3
current
V
KA
=V
REF
Dynamic impedance
I
K
=1mA to 100mA, f
≤
1kHz
*1
Cathode current
V
KA
=V
REF
+ 50mV
*2
V
mV
mV/V
µ
A
µ
A
mA
µ
A
Ω
mA
-1.5
-1.2
1.0
0.3
0.25
0.1
0.1
Notes :
*1 : use Figure 1
*2 : use Figure 2
*3 : use Figure 3
Copyright
ANPEC Electronics Corp.
Rev. C.1 - Jun., 2003
3
www.anpec.com.tw
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
