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REF3440MDBVTEP 数据表(PDF) 5 Page - Texas Instruments

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部件名 REF3440MDBVTEP
功能描述  low-drift, low-power, small-footprint series voltage reference
PDF  28 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

REF3440MDBVTEP 数据表(HTML) 5 Page - Texas Instruments

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5
REF3425-EP, REF3430-EP, REF3433-EP, REF3440-EP
www.ti.com
SBAS942A – DECEMBER 2018 – REVISED MARCH 2019
Product Folder Links: REF3425-EP REF3430-EP REF3433-EP REF3440-EP
Submit Documentation Feedback
Copyright © 2018–2019, Texas Instruments Incorporated
(1)
Temperature drift is specified according to the box method. See the Feature Description section for more details.
(2)
The ppm/V and ppm/mA in line and load regulation can be also expressed as µV/V and µV/mA.
(3)
The peak-to-peak noise measurement procedure is explained in more detail in the Noise Performance section.
7.5 Electrical Characteristics
At TA = 25°C unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ACCURACY AND DRIFT
Output voltage
accuracy
TA = 25°C
–0.05%
0.05%
Output voltage
temperature
coefficient(1)
–55°C
≤ TA ≤ 125°C
2.5
10
ppm/°C
LINE AND LOAD REGULATION
ΔV(OΔVIN) Line regulation
(2)
VIN = 2.55 V to 12 V , TA = 25°C
2
ppm/V
VIN = VREF + VDO to 12 V, –55°C ≤ TA ≤ 125°C
15
ΔV(OΔIL)
Load regulation(2)
IL = 0 mA to 10 mA, VIN = 3
V, TA = 25°C
Sourcing
20
ppm/mA
IL = 0 mA to 10 mA, VIN = 3
V, –55°C
≤ TA ≤ 125°C
Sourcing
30
IL = 0 mA to –10 mA, VIN =
VREF + VDO, TA = 25°C
Sinking
REF3425-EP
40
REF3430-EP
43
REF3440-EP
48
REF3440-EP
60
IL = 0 mA to –10 mA, VIN =
VREF + VDO, –55°C ≤ TA ≤
125°C
Sinking
REF3425-EP
70
REF3430-EP
75
REF3433-EP
84
REF3440-EP
98
ISC
Short-circuit
current (output
shorted to ground)
VREF = 0, TA = 25°C
18
22
mA
NOISE
en p-p
Output voltage
noise(3)
ƒ = 0.1 Hz to 10 Hz
5
µV p-p/V
ƒ = 0.1 Hz to 10 Hz (REF3440-EP)
3.8
ƒ = 10 Hz to 10 kHz
24
µV rms
en
Output voltage
noise density
ƒ = 1 kHz
0.25
ppm/
√Hz
ƒ = 1 kHz (REF3440-EP)
0.2
TURNON
tON
Turnon time
0.1% of output voltage settling, CL = 10 µF
2.5
ms
CAPACITIVE LOAD
CL
Stable output
capacitor value
–55°C
≤ TA ≤ 125°C
0.1
10
µF



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