IP431A Series

Prelim. 2/95

FIGURE 2

FIGURE 3

FIGURE 1

R1

R2

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,

∝V

∝V

or

∝V

REF

VMin

REF

V

Max

T1

T2

AMBIENT TEMPERATURE

∆V

REF

(

ppm

∝V

=

°C

∆T

A

∆V

6

= ∆T

Example:

∆V

∝V

= 45.8 ppm/°C

70 (2.495)

NOTE 2

∆V

KA

K

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:

(

)

REF

I

KA

V

Input

K

I

REF

V

KA

V

Input

off

I

KA

V

Input

K

I

REF

V

∆V

∆T

R1

R2

(

)