參數(shù)資料
型號(hào)： IP431AIN
英文描述： Voltage Reference
中文描述： 電壓基準(zhǔn)
文件頁(yè)數(shù)： 2/7頁(yè)
文件大小： 98K
代理商： IP431AIN
IP431A Series
Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 2/95
BLOCK DIAGRAM
DESCRIPTION
The IP431A circuit is a monolithic three terminal
programmable shunt regulator diode. The voltage
reference operates as a low temperature coefficient zener
which is programmable between V
REF
(2.5V) and 36 volts
using two external resistors. The device has a wide
operating current range of 1 mA to 100mA and a typical
dynamic impedance of 0.2
. Active output circuitry
provides a very sharp turn-on characteristic making these
devices excellent replacements for zener diodes in many
applications. Being a shunt regulator it can be used as
either a positive or negative voltage reference.
CATHODE
ANODE
REF
2.5 V
REF
V
KA
I
K
Cathode To Anode Voltage
Cathode Current Range
V
REF
to 36V
1.0 to 100mA
RECOMMENDED OPERATING CONDITIONS
* This test is not applicable to surface mount (D Package) devices.
IP431AM
Typ.
2.495
Parameter
Test Conditions
V
KA
= V
REF
I
K
= 10mA
V
KA
= V
REF
I
K
= 10mA
Min.
2.47
Max.
2.52
Units
T
A
= -55 to +125°C *
T
A
= -55 to +125°C *
I
K
= 10mA
R1 = 10k
R2 =
∞
I
K
= 10mA
R1 = 10k
T
A
= -55 to +125°C *
R2 =
∞
I
K
= 10mA
T
A
= -55 to +125°C *
V
KA
= V
REF
V
KA
= 36V
V
KA
= V
REF
I
K
= 1mA to 100mA
V
REF
= 0
f
≤
1kHz
V
KA
= 10V to V
REF
V
KA
= 36V to 10V
V
REF
V
REF
V
REF
V
KA
I
REF
I
REF
I
MIN
I
OFF
|Z
ka
|
Reference Input Voltage
(Figure 1)
Reference Input Voltage Over
Temperature Range
1
(Figure 1)
Ratio of Reference Voltage Change to
Change in Cathode to Anode Voltage
(Figure 2)
Reference Input Current
(Figure 2)
Reference Input Current Deviation Over
Temperature Range
(Figure 2)
Minimum Cathode Current
For Regulation
(Figure 1)
Off–State Cathode Current
(Figure 3)
Dynamic Impedance
2
(Figure 1)
V
mV
mV/V
μ
A
μ
A
mA
nA
2.426
2.564
15
44
1
4
7
1
3
0.5
1
3
1000
0.2
0.5
-1.5
-2.7
-0.7
-2
ELECTRICAL CHARACTERISTICS
(T
A
= 25 °C unless otherwise stated)
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