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| UM602A Datasheet, PDF (5/6 Pages) Unisonic Technologies – DUAL OPERATIONAL AMPLIFIER-DUAL COMPARATOR | |||
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UM602A
LINEAR INTEGRATED CIRCUIT
ï® VOLTAGE REFERENCE (Cont.)
(TA=25ï°C, unless otherwise specified)
PARAMETER
SYMBOL
CONDITION
MIN TYP MAX UNIT
Reference Input Voltage UM602A-1
(TA=25ï°C) (Figure 1) UM602A-2
VREF
VKA=VREF,IK=10mA
2.490 2.500 2.510 V
2.475 2.500 2.525 V
Reference Input Voltage Deviation Over
Temperature Range (Figure 1, Note 1)
Temperature Coefficient of Reference Input
Voltage (Note 2)
Ratio of Change in Reference Input Voltage to
Change in Cathode to Anode Voltage
(Figure2)
â³VREF
VREF
T
VREF
VKA
VKA=VREF,IK=10mA
TMIN ⤠TA ⤠TMAX
VKA=VREF,IK=10mA
TMIN ⤠TA ⤠TMAX
IK=10mA, â³VKA=36~3V
7
30 mV
±22 ±100 ppm/ï°C
-1.1 -2 mV/V
Reference Input Current (Figure2)
IREF
IK=10mA,R1
=10kâ¦R2=â
TA=25ï°C
TMIN ⤠TA â¤
TMAX
1.5 2.5 μA
3 μA
Reference Input Current Deviation Over
Temperature Range (Figure 2)
â³IREF
IK=10mA, R1=10kâ¦,
R2=â, TMIN ⤠TA ⤠TMAX
0.5 1 μA
Minimum Cathode Current for
Regulation-(figure1)
IMIN
VKA=VREF
0.5 1 mA
Off-State Cathode Current (Figure 3)
IOFF
180 500 nA
Notes: 1. â³VREF is defined as the difference between the maximum and minimum values obtained over the full
temperature range.
VREF=VREFMAX âVREFMIN
VREFMAX
VREFNIN
T1
T2
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.
-n pm/c
Max
2.5V
Min
+n pm/c
25°C
3.The dynamic lmpedance is defined as ︱ZKA︱=
VKA
IK
.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
Temperature
5 of 6
QW-R105-030.B
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