參數(shù)資料
型號： REF198ESZ-REEL
廠商： ANALOG DEVICES INC
元件分類： 基準電壓源/電流源
英文描述： Precision Micropower, Low Dropout Voltage References
中文描述： 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 4.096 V, PDSO8
封裝： ROHS COMPLIANT, MS-012AA, SOIC-8
文件頁數(shù)： 8/28頁
文件大?。?/td> 407K
代理商： REF198ESZ-REEL
REF19x Series
ELECTRICAL CHARACTERISTICS—REF193 @ T
A
≤
40°C
≤
+125°C
@ V
S
= 3.3 V, –40°C ≤ T
A
≤ +125°C, unless otherwise noted.
Table 10.
Parameter
TEMPERATURE COEFFICIENT
1
,2
G Grade
3
LINE REGULATION
4
G Grade
LOAD REGULATION
4
G Grade
DROPOUT VOLTAGE
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.
ELECTRICAL CHARACTERISTICS—REF194 @ T
A
= 25°C
@ V
S
= 5.0 V, T
A
= 25°C, unless otherwise noted.
Table 11.
Parameter
Mnemonic
INITIAL ACCURACY
1
E Grade
V
O
F Grade
G Grade
LINE REGULATION
2
E Grade
V
O
/V
IN
F and G Grades
LOAD REGULATION
2
E Grade
V
O
/V
LOAD
F and G Grades
DROPOUT VOLTAGE
V
S
V
O
LONG-TERM STABILITY
3
DV
O
NOISE VOLTAGE
e
N
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 8 of 28
Mnemonic
TCV
O
/°C
ΔV
O
/ΔV
IN
ΔV
O
/ΔV
LOAD
V
S
V
O
Condition
I
OUT
= 0 mA
3.3 V ≤ V
S
≤ 15 V, I
OUT
= 0 mA
V
S
= 5.0 V, 0 mA ≤ I
OUT
≤ 20 mA
V
S
= 3.8 V, I
LOAD
= 10 mA
V
S
= 4.1 V, I
LOAD
= 20 mA
Min
Typ
10
20
10
Max
0.80
1.10
Unit
ppm/°C
ppm/V
ppm/mA
V
V
Condition
I
OUT
= 0 mA
4.75 V ≤ V
S
≤ 15 V, I
OUT
= 0 mA
V
S
= 5.8 V, 0 mA ≤ I
OUT
≤ 30 mA
V
S
= 5.00 V, I
LOAD
= 10 mA
V
S
= 5.8 V, I
LOAD
= 30 mA
1000 hours @ 125°C
0.1 Hz to 10 Hz
Min
4.498
4.495
4.490
Typ
4.5
2
4
2
4
2
45
Max
4.502
4.505
4.510
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
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