參數(shù)資料
型號(hào): REF191ESZ-REEL
廠商: ANALOG DEVICES INC
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Precision Micropower, Low Dropout Voltage References
中文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.048 V, PDSO8
封裝: ROHS COMPLIANT, MS-012AA, SOIC-8
文件頁數(shù): 10/28頁
文件大?。?/td> 407K
代理商: REF191ESZ-REEL
REF19x Series
ELECTRICAL CHARACTERISTICS—REF195 @ T
A
= 25°C
@ V
S
= 5.10 V, T
A
= 25°C, unless otherwise noted.
Table 14.
Parameter
INITIAL ACCURACY
1
E Grade
F Grade
G Grade
LINE REGULATION
2
E Grade
F and G Grades
LOAD REGULATION
2
E Grade
F and G Grades
DROPOUT VOLTAGE
LONG-TERM STABILITY
3
NOISE VOLTAGE
1
Initial accuracy includes temperature hysteresis effect.
2
Line and load regulation specifications include the effect of self-heating.
3
Long-term stability specification is noncumulative. The drift in subsequent 1000-hour periods is significantly lower than in the first 1000-hour period.
Rev. I | Page 10 of 28
Mnemonic
V
O
ΔV
O
/ΔV
IN
ΔV
O
/ΔV
LOAD
V
S
V
O
DV
O
e
N
Condition
I
OUT
= 0 mA
5.10 V ≤ V
S
≤ 15 V, I
OUT
= 0 mA
V
S
= 6.30 V, 0 mA ≤ I
OUT
≤ 30 mA
V
S
= 5.50 V, I
LOAD
= 10 mA
V
S
= 6.30 V, I
LOAD
= 30 mA
1000 hours @ 125°C
0.1 Hz to 10 Hz
Min
4.998
4.995
4.990
Typ
5.0
2
4
2
4
1.2
50
Max
5.002
5.005
5.010
4
8
4
8
0.50
1.30
Unit
V
V
V
ppm/V
ppm/V
ppm/mA
ppm/mA
V
V
mV
μV p-p
ELECTRICAL CHARACTERISTICS—REF195 @
40°C
T
A
≤ +85°C
@ V
S
= 5.15 V, 40°C ≤ T
A
≤ +85°C, unless otherwise noted.
Table 15.
Parameter
TEMPERATURE COEFFICIENT
1,2
E Grade
F Grade
G Grade
3
LINE REGULATION
4
E Grade
F and G Grades
LOAD REGULATION
4
E Grade
F and G Grades
DROPOUT VOLTAGE
SLEEP PIN
Logic High Input Voltage
Logic High Input Current
Logic Low Input Voltage
Logic Low Input Current
SUPPLY CURRENT
Sleep Mode
1
For proper operation, a 1 μF 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
O
= (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.
Mnemonic
TCV
O
/°C
ΔV
O
/ΔV
IN
ΔV
O
/ΔV
LOAD
V
S
V
O
V
H
I
H
V
L
I
L
Condition
I
OUT
= 0 mA
5.15 V ≤ V
S
≤ 15 V, I
OUT
= 0 mA
V
S
= 6.30 V, 0 mA ≤ I
OUT
≤ 25 mA
V
S
= 5.50 V, I
LOAD
= 10 mA
V
S
= 6.30 V, I
LOAD
= 25 mA
No load
No load
Min
2.4
Typ
2
5
10
5
10
5
10
Max
5
10
25
10
20
10
20
0.50
1.30
8
0.8
8
45
15
Unit
ppm/°C
ppm/°C
ppm/°C
ppm/V
ppm/V
ppm/mA
ppm/mA
V
V
V
μA
V
μA
μA
μA
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