SR25D データシートの表示（PDF） - Zarlink Semiconductor Inc

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SR25D

2.5V PRECISION VOLTAGE REFERENCE

Zarlink Semiconductor Inc 

SR25D

NOTES

1. Slope Resistance (RREF)

The slope resistance is defined as

RREF =

Change in VREF over specified current range

The change in reference current

2. Reference Voltage Temperature Coefficient (TCVREF)

This is the normalised reference voltage change over

temperature , divided by the change in temperature. It is

expressed in ppm/°C as follows:

TCVREF =

∆VREF x 106 ppm/°C

VREF x ∆T

∆T = temperature change in °C

∆VREF = change in reference voltage over temperature

change ∆T.

3. Guaranteed but not tested

Fig.5 SR25D typical response time (not to scale)

Fig.4 Typical reference characteristic

Fig.6 Typical temperature characteristic of SR25D

at

I

REF

=

150µA

Fig.7 Derating curve

2

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