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參數(shù)資料
| 型號： | REF19xGS |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Precision Micropower, Low Dropout, Voltage References |
| 中文描述： | 精密微功耗，低壓差，電壓基準(zhǔn) |
| 文件頁數(shù)： | 7/23頁 |
| 文件大?。?/td> | 238K |
| 代理商： | REF19XGS |
REF194–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
Parameter
Symbol
Condition
Min
Typ
Max
Units
INITIAL ACCURACY
1
“E” Grade
“F” Grade
“G” Grade
V
O
I
OUT
= 0 mA
4.498
4.495
4.490
4.5
4.502
4.505
4.510
V
V
V
LINE REGULATION
2
“E” Grade
“F & G” Grades
V
O
/
V
IN
4.75 V
≤
V
S
≤
15 V, I
OUT
= 0 mA
2
4
4
8
ppm/V
ppm/V
LOAD REGULATION
2
“E” Grade
“F & G” Grades
V
O
/
V
LOAD
V
S
= 5.8 V, 0
≤
I
OUT
≤
30 mA
2
4
4
8
ppm/mA
ppm/mA
DROPOUT VOLTAGE
V
S
– V
O
V
S
= 5.00 V, I
LOAD
= 10 mA
V
S
= 5.8 V, I
LOAD
= 30 mA
0.50
1.30
V
V
LONG-TERM STABILITY
3
V
O
1000 Hours @ +125
°
C
2
mV
NOISE VOLTAGE
e
N
0.1 Hz to 10 Hz
45
μ
V p-p
NOTES
1
Initial accuracy includes temperature hysteresis effect.
2
Line and load regulation specifications include the effect of self-heating.
3
Long-term drift is guaranteed by 1000 hours life test performed on three independent wafer lots at +125
°
C, with an LTPD of 1.3.
Specifications subject to change without notice.
ELECTRICAL CHARACTERISTICS
(@ V
S
= 5.0 V, T
A
= –40
8
C
≤
T
A
≤
+85
8
C unless otherwise noted)
Parameter
Symbol
Condition
Min
Typ
Max
Units
TEMPERATURE COEFFICIENT
1, 2
“E” Grade
“F” Grade
“G” Grade
3
TCV
O
/
°
C
I
OUT
= 0 mA
2
5
10
5
10
25
ppm/
°
C
ppm/
°
C
ppm/
°
C
LINE REGULATION
4
“E” Grade
“F & G” Grades
V
O
/
V
IN
4.75 V
≤
V
S
≤
15 V, I
OUT
= 0 mA
5
10
10
20
ppm/V
ppm/V
LOAD REGULATION
4
“E” Grade
“F & G” Grades
V
O
/
V
LOAD
V
S
= 5.80 V, 0
≤
I
OUT
≤
25 mA
5
10
15
20
ppm/mA
ppm/mA
DROPOUT VOLTAGE
V
S
– V
O
V
S
= 5.00 V, I
LOAD
= 10 mA
V
S
= 5.80 V, I
LOAD
= 25 mA
0.5
1.30
V
V
SLEEP PIN
Logic High Input Voltage
Logic High Input Current
Logic Low Input Voltage
Logic Low Input Current
V
H
I
H
V
L
I
L
2.4
V
μ
A
V
μ
A
–8
0.8
–8
SUPPLY CURRENT
Sleep Mode
No Load
No Load
45
15
μ
A
μ
A
NOTES
1
For proper operation, a 1
μ
F capacitor is required between the output pin and the GND pin of the device.
2
TCV
O
is defined as the ratio of output change with temperature variation to the specified temperature range expressed in ppm/
°
C.
TCV
= (
V max–V min
)/V
O
(
T
MAX
–T
MIN
).
3
Guaranteed by characterization.
4
Line and load regulation specifications include the effect of self-heating.
Specifications subject to change without notice.
REF19x Series
–7–
REV. D
(@ V
S
= 5.0 V, T
A
= +25
8
C unless otherwise noted)
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| REF194GRU | Precision Micropower, Low Dropout, Voltage References |
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| REF195GBC | Precision Micropower, Low Dropout, Voltage References |
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