參數(shù)資料
型號： LT1122
廠商： Linear Technology Corporation
英文描述： High Speed and Precision Performance, JFET Input Operational Amplifier(具有高速和精密性能的結(jié)型場效應(yīng)管輸入運算放大器)
中文描述： 高速精密性能，JFET輸入運算放大器（具有高速和精密性能的結(jié)型場效應(yīng)管輸入運算放大器）
文件頁數(shù)： 3/8頁
文件大?。?/td> 217K
代理商： LT1122
3
LT1122
ELECTRICAL C
HARA TERISTICS
LT1122CM/DM
LT1122CC/DC
LT1122CS/DS
MIN
TYP
±
12
±
12.5
±
11.5
±
12
LT1122AM/BM
LT1122AC/BC
MIN
TYP
±
12
±
12.5
±
11.5
±
12
SYMBOL
V
OUT
PARAMETER
Output Voltage Swing
CONDITIONS
R
L
= 2k
R
L
= 600
MAX
MAX
UNITS
V
S
=
±
15V, T
A
= 25
°
C, V
CM
= 0V unless otherwise noted.
LT1122CC/DC
LT1122CS/DS
MIN
TYP
LT1122AC/BC
MIN
SYMBOL
V
OS
PARAMETER
Input Offset Voltage
Average Temperature Coefficient
of Input Offset Voltage
Input Offset Current
Input Bias Current
Large Signal Voltage Gain
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Input Voltage Range
Output Voltage Swing
Slew Rate
CONDITIONS
TYP
350
5
MAX
1400
18
MAX
2000
25
UNITS
400
6
μ
V
μ
V/
°
C
I
OS
I
B
A
VOL
CMRR
PSRR
12
80
380
98
101
150
600
15
90
340
96
99
200
800
pA
pA
V
OUT
=
±
10V, R
L
≥
2k
V
CM
=
±
10V
V
S
=
±
10V to
±
17V
120
82
84
100
78
80
V/mV
dB
dB
V
V
±
10
±
11.5
50
±
10.8
±
12.4
70
±
10
±
11.5
40
±
10.8
±
12.4
65
V
OUT
S
R
R
L
= 2k
A
V
= – 1
V/
μ
s
V
S
=
±
15V, V
CM
= 0V, 0
°
C
≤
T
A
≤
70
°
C, unless otherwise noted. (Note 1)
LT1122AM/BM
MIN
TYP
LT1122CM/DM
MIN
TYP
800
7
SYMBOL
V
OS
PARAMETER
Input Offset Voltage
Average Temperature Coefficient
of Input Offset Voltage
Input Offset Current
Input Bias Current
Large Signal Voltage Gain
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Input Voltage Range
Output Voltage Swing
Slew Rate
The
denotes the specifications which apply over the full operating
temperature range.
Note 1:
The LT1122 is measured in an automated tester in less than one
second after application of power. Depending on the package used, power
dissipation, heat sinking, and air flow conditions, the fully warmed up chip
temperature can be 10
°
C to 50
°
C higher than the ambient temperature.
Note 2:
Settling time is 100% tested for A and C grades using the settling
time test circuit shown. This test is not included in quality assurance
sample testing.
CONDITIONS
MAX
2400
18
MAX
3400
25
UNITS
650
6
μ
V
μ
V/
°
C
I
OS
I
B
A
VOL
CMRR
PSRR
0.5
6
230
97
100
6
25
0.6
7
200
94
98
9
35
nA
nA
V
OUT
=
±
10V, R
L
≥
2k
V
CM
=
±
10V
V
S
=
±
10V to
±
17V
70
80
83
60
76
78
V/mV
dB
dB
V
V
±
10
±
11.3
45
±
10.5
±
12.1
60
±
10
±
11.3
35
±
10.5
±
12.1
55
V
OUT
S
R
R
L
= 2k
A
V
= – 1
V/
μ
s
V
S
=
±
15V, V
CM
= 0V, – 55
°
C
≤
T
A
≤
125
°
C, unless otherwise noted. (Note 1)
Note 3:
Input voltage range functionality is assured by testing offset
voltage at the input voltage range limits to a maximum of 4mV (A, B
grades), to 5.7mV (C, D grades).
Note 4:
Minimum supply voltage is tested by measuring offset voltage to
7mV maximum at
±
5V supplies.
Note 5:
The LT1122 is not tested and not quality-assurance-sampled at
– 40
°
C and at 85
°
C. These specifications are guaranteed by design,
correlation and/or inference from – 55
°
C, 0
°
C, 25
°
C, 70
°
C and/or 125
°
C
tests.
V
V
I
S
Supply Current
Minimum Supply voltage
Offset Adjustment Range
7.5
10
7.8
11
mA
(Note 4)
R
POT
≥
10k, Wiper to V
+
±
5
±
4
±
5
±
4
V
±
10
±
10
mV
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