參數(shù)資料
型號： AMS9491BN
廠商： Advanced Monolithic Systems, Inc.
英文描述： 1.235V VOLTAGE REFERENCE
中文描述： 1.235V電壓基準(zhǔn)
文件頁數(shù)： 2/7頁
文件大?。?/td> 75K
代理商： AMS9491BN
Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMS9491
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Reverse Current
Forward Current
Operating Temperature Range
Storage temperature
30mA
10mA
0
°
C to 70
°
C
-55
°
C to +150
°
C
Soldering information
TO-92 package: 10 sec.
SOIC package: Vapor phase (60 sec)
Infrared (15 sec.)
300
°
C
215
°
C
220
°
C
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at I
R
= 100
μ
A, and T
A
= +25°C unless otherwise specified.
Parameter
Conditions
AMS9491A
Typ
AMS9491B
Typ
Units
Min
Max
Min
Max
Reverse Breakdown Voltage
(Note 4)
I
R
- 100
μ
A
1.215
1.235
1.255
1.215
1.235
1.255
V
Reverse Dynamic Impedance
(Note 4)
Reverse Breakdown Voltage
Change with current (Note 4)
I
R
- 100
μ
A, f =20Hz
0.2
0.6
0.2
0.6
10
μ
A
≤
I
R
≤
1mA
1mA
≤
I
R
≤
20mA
2.0
20
2.0
20
mV
Min. Operating Current (Note 4)
8
10
20
8
10
20
μ
A
Wide Band Noise
(Note 5)
I
R
- 100
μ
A,
10Hz
≤
f
≤
10kHz
60
60
μ
V
Temperature Coeff.
(Note 6)
50
100
ppm/°C
Long Term Stability
(Note 5)
T
A
=25°C±.1°C
T = 1000 Hr
20
20
ppm
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics
.
The
guaranteed specifications apply only for the test conditions listed.
Note 2:
Thermal resistance is as follows:
Thermal Resistance
JA
(junction to ambient)
170°C/W (0.125” leads)
TO-92
SO-8
165°C/W
Note 3:
Parameters identified with
boldface type
apply at temperature extremes. All other numbers apply at T
A
= T
J
= 25°C.
Note 4:
Guaranteed and 100% production tested.
Note 5:
Guaranteed but not 100% production tested. These limits are not used to calculate average outgoing quality levels.
Note 6:
The average temperature coefficient is defined as the maximum deviation of reference voltage at all measured temperatures between the operating T
MAX and
T
MIN
, divided by T
MAX
- T
MIN
. The measured temperatures are 0
°
C, 25
°
C, 70
°
C.
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