ZRT040 datasheet(3/4 Pages) ZETEX

Part #	ZRT040

Description	4.0V LOW POWER PRECISION REFERENCE SOURCE

PDF	4 Pages

Scroll/Zoom	100%

Manufacturer	ZETEX [Zetex Semiconductors]

Direct Link	http://www.diodes.com/

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3 / 4 page

TYPICAL CHARACTERISTICS

ZRT040

NOTES

(a)

Output change with temperature. (VR)

The absolute maximum difference between

the maximum output voltage and the

minimum output voltage over the specified

temperature range

VR = Vmax - Vmin

(b)

Output temperature coefficient (TCVR)

The ratio of

the output change with

temperature to the specified temperature

range expressed in ppm/°C

TcVR =

∆VR x 106

VR x ∆T

ppm

⁄ °C

∆T= Full temperature range

(c)

Operating current (IR)

Maximum operating current must be

derated as indicated in maximum ratings.

(d)

Slope resistance (RS)

The slope resistance is defined as :

RS =

change

in VR

specifiedcurrentrange

∆I = 5 - 0.5 = 4.5mA (typically)

(e)

Line regulation

The ratio of change in output voltage to the

change in input voltage producing it.

RS x 100

VR x Rsource

⁄ V

4-285

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