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REF70 数据表(PDF) 5 Page - Texas Instruments

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部件名 REF70
功能描述  REF70 Ultra-High-Precision Voltage Reference with Low Noise and Low Drift
PDF  20 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

REF70 数据表(HTML) 5 Page - Texas Instruments

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7.5 REF7025 Electrical Characteristics
Specifications are tested at TA = 25°C, IL = 0 mA, CIN = 0.1 µF, COUT = 10 µF, VIN = VOUT + 0.5V, OUTS
connected to OUTF, unless otherwise noted
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
ACCURACY AND DRIFT
Output voltage accuracy TA = 25°C
–0.025
0.025
%
Output voltage
temperature coefficient
–40°C ≤ TA ≤ 125°C
2
ppm/
℃
LINE AND LOAD REGULATION
ΔVO / ΔVIN Line regulation
VOUT + VDO ≤ VIN ≤ 18 V
4
40
ppm/V
VOUT + VDO ≤ VIN ≤ 18 V, –40°C ≤ TA ≤ 125°C
100
ΔVO / ΔIL
Load regulation
IL = 0 mA to 10mA, VIN = VOUT + VDO
5
ppm/mA
IL = 0 mA to 10mA, VIN = VOUT + VDO, –40°C ≤
TA ≤ 125°C
15
IL = 0 mA to –10mA, VIN = VOUT + VDO
10
IL = 0 mA to –10mA, VIN = VOUT + VDO, –40°C ≤
TA ≤ 125°C
15
NOISE
enp-p
Low frequency noise
ƒ = 0.1 Hz to 10 Hz
0.22
ppmp-p
en
Output voltage noise
ƒ = 10 Hz to 1 kHz
0.5
ppmrms
HYSTERESIS AND LONG-TERM STABILITY
Long-term stability
0 to 250h at 35°C - FKH package
16
ppm
Output voltage
hysteresis
25°C, –40°C, 125°C, 25°C (cycle 1) – FKH
package
60
ppm
25°C, –40°C, 125°C, 25°C (cycle 2) – FKH
package
60
TURN ON TIME
tON
Turn-on time
0.1% settling, COUT = 1µF
0.5
ms
CAPACITIVE LOAD
CIN
Stable input capacitor
range
–40
℃ ≤ TA ≤ 125℃
0.1
µF
COUT
Stable output capacitor
range (1)
–40
℃ ≤ TA ≤ 125℃
1
100
µF
POWER SUPPLY
VIN
Input voltage
3
18
V
IQ
Quiescent current
TA = 25°C
Active mode
4
6
mA
–40°C ≤ TA ≤ 125°C
6.5
mA
TA = 25°C
Shutdown mode
5
10
uA
–40°C ≤ TA ≤ 125°C
12
uA
VEN
Enable pin voltage
Active mode (EN=1)
1.6
V
Shutdown mode (EN=0)
0.5
V
IEN
Enable pin current
VIN = VEN = 18V
1
3
uA
VIN = VEN = 18V, –40°C ≤ TA ≤ 125°C
5
uA
VDO
Dropout voltage
IL = 5mA, –40°C ≤ TA ≤ 125°C
250
mV
IL = 10mA, –40°C ≤ TA ≤ 125°C
500
mV
ISC
Short circuit current
VOUT = 0V
35
mA
(1)
ESR for the capacitor can range from 10mΩ to 400mΩ
www.ti.com
REF70
SNAS781 – OCTOBER 2020
Copyright © 2020 Texas Instruments Incorporated
Submit Document Feedback
5
Product Folder Links: REF70



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