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ADR121 Datasheet(PDF) 4 Page - Analog Devices

Part No. ADR121
Description  Precision, Micropower LDO Voltage References in TSOT
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADR121 Datasheet(HTML) 4 Page - Analog Devices

 
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ADR121/ADR125/ADR127
Rev. 0 | Page 4 of 20
ADR125 ELECTRICAL CHARACTERISTICS
@ TA = 25°C, VIN = 5.3 V to 18 V, IOUT = 0 mA, unless otherwise noted.
Table 2.
Parameter
Symbol
Condition
Min
Typ
Max
Unit
OUTPUT VOLTAGE
VO
@ 25°C
B Grade
4.994
5.0
5.006
V
A Grade
2.497
4.988
5.0
5.012
V
INITIAL ACCURACY ERROR
VOERR
@ 25°C
B Grade
−0.12
+0.12
%
A Grade
−0.24
+0.24
%
TEMPERATURE COEFFICIENT
TCVO
−40°C < TA < +125°C
B Grade
3
9
ppm/°C
A Grade
15
25
ppm/°C
DROPOUT (VOUT − VIN)
VDO
IOUT = 5 mA
300
mV
LOAD REGULATION
−40°C < TA < +125°C; VIN = 3.0 V,
0 mA < IOUT < 5 mA
35
200
ppm/mA
−40°C < TA < +125°C; VIN = 3.0 V,
−2 mA < IOUT < 0 mA
35
200
ppm/mA
LINE REGULATION
5.3 V < VIN < 18 V
IOUT = 0 mA
30
ppm/V
PSRR
f = 60 Hz
−90
dB
RIPPLE REJECTION
ΔVOUT/ΔVIN
f = 60 Hz
60
dB
QUIESCENT CURRENT
IQ
−40°C < TA < +125°C, no load
VIN = 18 V
95
125
μA
VIN = 3.0 V
80
95
μA
SHORT-CIRCUIT CURRENT TO GROUND
VIN = 5.3 V
25
mA
VIN = 18 V
40
mA
VOLTAGE NOISE
@ 25°C
f = 10 Khz
900
nV/√Hz
0.1 Hz to 10 Hz
20
μV p-p
TURN-ON SETTLING TIME
To 0.1%, CL = 0.2 μF
100
μs
LONG-TERM STABILITY
1000 hours @ 25°C
150
ppm/1000 hrs
OUTPUT VOLTAGE HYSTERESIS
See the Terminology section
300
ppm


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