UM602AG-S16-R datasheet(5/6 Pages) UTC

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UM602A

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

5 of 6

www.unisonic.com.tw

QW-R105-030.B



VOLTAGE REFERENCE (Cont.)

(TA=25

C, unless otherwise specified)

PARAMETER

SYMBOL

CONDITION

MIN

TYP

MAX UNIT

UM602A-1

2.490 2.500 2.510

Reference Input Voltage

(TA=25C) (Figure 1)

UM602A-2

VREF

VKA=VREF,IK=10mA

2.475 2.500 2.525

Reference Input Voltage Deviation Over

Temperature Range (Figure 1, Note 1)

△

VREF

VKA=VREF,IK=10mA

TMIN ≤ TA ≤ TMAX

Temperature Coefficient of Reference Input

Voltage (Note 2)

REF

VKA=VREF,IK=10mA

TMIN ≤ TA ≤ TMAX

±22

±100 ppm/C

Ratio of Change in Reference Input Voltage to

Change in Cathode to Anode Voltage

(Figure2)

REF

IK=10mA, △VKA=36~3V

-1.1

-2

mV/V

TA=25C

1.5

2.5

μA

Reference Input Current (Figure2)

IREF

IK=10mA,R1

=10kΩR2=∞

TMIN ≤ TA ≤

TMAX

μA

Reference Input Current Deviation Over

Temperature Range (Figure 2)

△

IREF

IK=10mA, R1=10kΩ,

R2=∞, TMIN ≤ TA ≤ TMAX

0.5

μA

Minimum Cathode Current for

Regulation-(figure1)

IMIN

VKA=VREF

0.5

Off-State Cathode Current (Figure 3)

IOFF

180

500

Notes: 1. △VREF is defined as the difference between the maximum and minimum values obtained over the full

temperature range.

VREF=VREFMAX –VREFMIN

VREFMAX

VREFNIN

Temperature

2. The temperature coefficient is defined as the slopes (positive and negative) of the voltage vs temperature

limits whithin which the reference voltage is guaranteed.

Min

2.5V

Max

25°C

Temperature

+n pm/c

-n pm/c

3.The dynamic lmpedance is defined as ︱ZKA︱=

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