參數資料
型號: LT1920
廠商: Linear Technology Corporation
元件分類: 運動控制電子
英文描述: Low Power, Precision Instrumentation Amplifier(低功耗,精密儀用放大器)
中文描述: 低功耗,精密儀表放大器(低功耗,精密儀用放大器)
文件頁數: 3/12頁
文件大?。?/td> 296K
代理商: LT1920
3
LT1920
ELECTRICAL CHARACTERISTICS
V
S
=
±
15V, V
CM
= 0V, T
A
= 25
°
C, R
L
= 2k, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS (Note 6)
MIN
TYP
MAX
UNITS
C
IN(CM)
V
CM
Common Mode Input Capacitance
Input Voltage Range
f
O
= 100kHz
G = 1, Other Input Grounded
V
S
=
±
2.3V to
±
5V
V
S
=
±
5V to
±
18V
V
S
=
±
2.3V to
±
5V
V
S
=
±
5V to
±
18V
1k Source Imbalance,
V
CM
= 0V to
±
10V
G = 1
G = 10
G = 100
G = 1000
V
S
=
±
2.3 to
±
18V
G = 1
G = 10
G = 100
G = 1000
V
S
=
±
2.3V to
±
18V
R
L
= 10k
V
S
=
±
2.3V to
±
5V
V
S
=
±
5V to
±
18V
V
S
=
±
2.3V to
±
5V
V
S
=
±
5V to
±
18V
1.6
pF
–V
S
+ 1.9
–V
S
+ 1.9
–V
S
+ 2.1
–V
S
+ 2.1
+V
S
– 1.2
+V
S
– 1.4
+V
S
– 1.3
+V
S
– 1.4
V
V
V
V
G
G
CMRR
Common Mode Rejection Ratio
75
95
110
110
95
115
125
140
dB
dB
dB
dB
PSRR
Power Supply Rejection Ratio
80
100
120
120
120
135
140
150
0.9
dB
dB
dB
dB
mA
I
S
V
OUT
Supply Current
Output Voltage Swing
1.3
–V
S
+ 1.1
–V
S
+ 1.2
–V
S
+ 1.4
–V
S
+ 1.6
20
+V
S
– 1.2
+V
S
– 1.3
+V
S
– 1.3
+V
S
– 1.5
V
V
V
V
G
G
I
OUT
BW
Output Current
Bandwidth
27
1000
800
120
12
1.2
mA
kHz
kHz
kHz
kHz
V/
μ
s
G = 1
G = 10
G = 100
G = 1000
G = 1, V
OUT
=
±
10V
10V Step
G = 1 to 100
G = 1000
SR
Slew Rate
Settling Time to 0.01%
14
130
20
50
μ
s
μ
s
k
μ
A
R
REFIN
I
REFIN
V
REF
A
VREF
Reference Input Resistance
Reference Input Current
Reference Voltage Range
Reference Gain to Output
V
REF
= 0V
–V
S
+ 1.6
+V
S
– 1.6
V
1
±
0.0001
The
G
denotes specifications that apply over the full specified
temperature range.
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
Does not include the effect of the external gain resistor R
G
.
Note 3:
This parameter is not 100% tested.
Note 4:
The LT1920C is designed, characterized and expected to meet the
industrial temperature limits, but is not tested at –40
°
C and 85
°
C. I-grade
parts are guaranteed.
Note 5:
This parameter is measured in a high speed automatic tester that
does not measure the thermal effects with longer time constants. The
magnitude of these thermal effects are dependent on the package used,
heat sinking and air flow conditions.
Note 6:
Typical parameters are defined as the 60% of the yield parameter
distribution.
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參數描述
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