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| 型號： | LT1009MLD |
| 英文描述： | Voltage Reference |
| 中文描述： | 電壓基準 |
| 文件頁數(shù)： | 3/13頁 |
| 文件大?。?/td> | 201K |
| 代理商： | LT1009MLD |
LT1004-1.2, LT1004-2.5
MICROPOWER INTEGRATED VOLTAGE REFERENCES
SLVS022I – JANUARY 1989 – REVISED JANUARY 2002
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Reverse current, I
R
Forward current, I
F
Package thermal impedance,
θ
JA
(see Notes 1 and 2): D package
30 mA
10 mA
97
°
C/W
156
°
C/W
149
°
C/W
260
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
LP package
. . . . . . . . . . . . . . . . . . . . . . . . . .
PW package
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
Storage temperature range, T
stg
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. Maximum power dissipation is a function of TJ(max),
θ
JA, and TA. The maximum allowable power dissipation at any allowable
ambient temperature is PD = (TJ(max) – TA)/
θ
JA. Operating at the absolute maximum TJ of 150
°
C can affect reliability.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
–65
°
C to 150
°
C
recommended operating conditions
MIN
MAX
UNIT
TA
Operating free air temperature
Operating free-air temperature
LT1004C
LT1004I
0
70
85
°
C
–40
electrical characteristics at specified free-air temperature
PARAMETER
TEST
T
TA
LT1004-1.2
MIN
1.231
LT1004-2.5
MIN
2.48
UNIT
CONDITIONS
TYP
1.235
MAX
1.239
TYP
2.5
MAX
2.52
25
°
C
LT1004C
VZ
Reference voltage
IZ = 100
μ
A
Full
range
1.225
1.245
2.47
2.53
V
LT1004I
1.225
1.245
2.47
2.53
VZ
Average
temperature coefficient
of reference voltage§
IZ = 10
μ
A
25
°
C
20
ppm/
°
C
IZ = 20
μ
A
20
IZ= IZ(min) to 1 mA
IZ = IZ(min) to 1 mA
25
°
C
Full range
25
°
C
Full range
1
1
VZ
Change in
reference voltage
with current
1.5
1.5
mV
IZ= 1 mA to 20 mA
IZ = 1 mA to 20 mA
10
10
20
20
VZ/
t
Long-term change
in reference voltage
IZ = 100
μ
A
25
°
C
20
20
ppm/khr
IZ(min)
Minimum
reference current
Full range
8
10
12
20
μ
A
zz
Reference impedance
IZ= 100
μ
IZ = 100
A
25
°
C
Full range
0.2
0.6
0.2
0.6
1.5
1.5
Vn
Broadband
noise voltage
IZ = 100
μ
A,
f = 10 Hz to 10 kHz
25
°
C
60
120
μ
V
Full range is 0
°
C to 70
°
C for the LT1004C and –40
°
C to 85
°
C for the LT1004I.
§The average temperature coefficient of reference voltage is defined as the total change in reference voltage divided by the specified temperature
range.
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