IP431A Sony Corporation, IP431A Datasheet - Page 4

• Manufacturer Part Number: IP431A
• Description: PROGRAMMABLE PRECISION REFERENCE
• Manufacturer: Sony Corporation

Semelab plc.
Input
V
TEST CIRCUIT FOR V
TEST CIRCUIT FOR V
KA
Input
Input
= V
TEST CIRCUIT FOR I
REF
V
V
I
FIGURE 1
FIGURE 2
REF
(
FIGURE 3
REF
REF
1+
Telephone [phone]. Telex: 341927. Fax [phone].
R1
R2
)
I
I
I
K
K
+ I
off
KA
KA
REF
= V
V
> V
V
V
off
KA
KA
KA
x R1
REF
REF
NOTE 1
The deviation parameter V
the maximum and minimum values obtained over the full operating
ambient temperature range that applies.
The average temperature coefficient of the reference input voltage,
or V
Example:
NOTE 2
The dynamic impedance Z
When the device is programmed with two external resistors, R1 and
R2, (refer to Figure 2) the total dynamic impedance of the circuit is
defined as:
V
V
V
V
V
REF
REF
REF
REF
REF
Max
Min
REF
is defined as:
can be positive or negative depending on whether V
=
T1
Max occurs at the lower ambient temperature.
ppm
°C
AMBIENT TEMPERATURE
|Z
|Z
V
ka
ka
=
V
REF
V
| =
|
REF
REF
(
V
|Z
@ 25°C = 2.495V, T
REF
= 8.0 mV and slope is positive,
V
=
ka
I
KA
K
| 1+
0.008 x 10
V
ka
(
@ 25°C
REF
REF
is defined as:
T
R1
R2
is defined as the differences between
A
70 (2.495)
)
)
6
x 10
T2
= 45.8 ppm/°C
6
IP431A Series
A
= 70°C
=
V
T
A
REF
= T2 - T1
T
A
= V
(V
V
V
REF
REF
REF
REF
= 45.8 ppm/°C
x 10
Prelim. 2/95
@ 25°C)
Max -
Min
REF
6
Min