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ADR3425 데이터시트(PDF) 3 Page - Analog Devices

부품명 ADR3425
상세설명  Micropower, High Accuracy Voltage References
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ADR3412/ADR3420/ADR3425/ADR3430/ADR3433/ADR3440/ADR3450
Rev. B | Page 3 of 24
SPECIFICATIONS
ADR3412 ELECTRICAL CHARACTERISTICS
VIN = 2.3 V to 5.5 V, TA = 25°C, ILOAD = 0 mA, unless otherwise noted.
Table 3.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
OUTPUT VOLTAGE
VOUT
1.1988
1.2000
1.2012
V
INITIAL ACCURACY
VOERR
±0.1
%
±1.2
mV
TEMPERATURE COEFFICIENT
TCVOUT
−40°C ≤ TA ≤ +125°C
8
ppm/°C
LINE REGULATION
ΔVO/ΔVIN
VIN = 2.3 V to 5.5 V
7
50
ppm/V
VIN = 2.3 V to 5.5 V, −40°C ≤ TA ≤ +125°C
160
ppm/V
LOAD REGULATION
ΔVO/ΔIL
Sourcing
IL = 0 mA to 10 mA,
VIN = 2.8 V, −40°C ≤ TA ≤ +125°C
14
30
ppm/mA
Sinking
IL = 0 mA to −3 mA,
VIN = 2.8 V, −40°C ≤ TA ≤ +125°C
7
50
ppm/mA
OUTPUT CURRENT CAPACITY
IL
Sourcing
VIN = 2.8 V to 5.5 V
10
mA
Sinking
VIN = 2.8 V to 5.5 V
−3
mA
QUIESCENT CURRENT
IQ
Normal Operation
ENABLE > VIN × 0.85
85
μA
ENABLE = VIN, −40°C ≤ TA ≤ +125°C
100
μA
Shutdown
ENABLE < 0.7 V
5
μA
DROPOUT VOLTAGE1
VDO
IL = 0 mA, −40°C ≤ TA ≤ +125°C
1
1.1
V
IL = 2 mA, −40°C ≤ TA ≤ +125°C
1
1.15
V
ENABLE PIN
Shutdown Voltage
VL
0
0.7
V
ENABLE Voltage
VH
VIN × 0.85
VIN
V
ENABLE Pin Leakage Current
IEN
ENABLE = VIN, −40°C ≤ TA ≤ +125°C
0.85
3
μA
OUTPUT VOLTAGE NOISE
en p-p
f = 0.1 Hz to 10 Hz
8
μV p-p
f = 10 Hz to 10 kHz
28
μV rms
OUTPUT VOLTAGE NOISE
DENSITY
en
f = 1 kHz
0.6
μV/√Hz
OUTPUT VOLTAGE HYSTERESIS2
ΔVOUT_HYS
TA = +25°C to −40°C to +125°C to +25°C
70
ppm
RIPPLE REJECTION RATIO
RRR
fIN = 60 Hz
−60
dB
LONG-TERM STABILITY
ΔVOUT_LTD
1000 hours at 50°C
30
ppm
TURN-ON SETTLING TIME
tR
CIN = 0.1 μF, CL = 0.1 μF, RLoad = 1 k
100
μs
1 Refers to the minimum difference between VIN and VOUT such that VOUT maintains a minimum accuracy of 0.1%. See the Termin
section.
ology
Terminology
2 See the
section. The part is placed through the temperature cycle in the order of temperatures shown.


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