參數(shù)資料
型號(hào): LT1055
廠商: Linear Technology Corporation
英文描述: Octal Buffers/Drivers With 3-State Outputs 20-PDIP 0 to 70
中文描述: 高精度,高速度,JFET輸入運(yùn)算放大器
文件頁(yè)數(shù): 4/12頁(yè)
文件大?。?/td> 360K
代理商: LT1055
4
LT1055/LT1056
TYPICAL PERFOR
M
A
CE CHARACTERISTICS
U
0.1Hz to 10Hz Noise
LT1055/56 G02
COMMON-MODE INPUT VOLTAGE (V)
–15
–120
I
A
A
–80
–40
0
40
120
–10
–5
0
5
10
15
80
–1200
–800
–400
0
400
1200
800
V
= ±15V
WARMED UP
T
A
= 125°C
T
A
= 125°C
T
A
= 25°C
T
A
= 70°C
T
A
= 70°C
A = POSITIVE INPUT CURRENT
B = NEGATIVE INPUT CURRENT
A
B
B
A
I
A
Warm-Up Drift
Distribution of Offset Voltage Drift
with Temperature (H Package)*
Input Bias and Offset Currents
vs Temperature
AMBIENT TEMPERATURE (°C)
0
I
100
300
1000
100
LT1055/56 G01
30
10
3
25
50
75
125
BIAS OR OFFSET CURRENTS
MAY BE POSITIVE OR NEGATIVE
BIAS CURRENT
OFFSET CURRENT
V
S
= ±15V
V
= 0V
WARMED UP
Input Bias Current Over the
Common-Mode Range
Distribution of Input Offset
Voltage (N8 Package)
TIME AFTER POWER ON (MINUTES)
0
C
60
80
100
4
LT1055/56 G05
40
20
0
1
2
3
5
V
S
= ±15V
T
A
= 25°C
LT1056CN8
LT1055CN8
LT1056 H PACKAGE
LT1055 H PACKAGE
Long Term Drift of
Representative Units
–10
TIME (MONTHS)
0
O
50
40
–50
–40
30
–30
20
–20
10
0
4
LT1055/56 GO6
1
2
3
5
V
S
= ±15V
T
A
= 25°C
TIME (SECONDS)
0
N
8
LT1055/56 GO7
2
4
6
10
LT1056
LT1055
R
H
FREQUENCY (Hz)
1
100
30
300
LT1055/56 G09
30
10
3
10
100
300
1000
1000
LT1056
1/f CORNER = 28HZ
LT1055
1/f CORNER
= 20HZ
V
S
= ±15V
T
A
= 25°C
Voltage Noise vs Frequency
Noise vs Chip Temperature
CHIP TEMPERATURE (°C)
20
1
2
3
5
7
10
10
20
30
50
70
100
40
LT1055/56 G08
0
P
)
10
80
30
50
60
70
f
0
= 10kHz
f
0
= 1kHz
PEAK-TO-PEAK
NOISE
R
H
INPUT OFFSET VOLTAGE (
μ
V)
–800
N
80
100
120
800
LT1055/56 G03
60
40
0
–400
0
400
20
160
140
–600
–200
200
600
V
S
=
±
15V
T
A
= 25
°
C
550 UNITS
TESTED FROM
TWO RUNS
(LT1056)
50% YIELD
TO
±
140
μ
V
OFFSET VOLTAGE DRIFT WITH TEMPERATURE (
μ
V/
°
C)
*DISTRIBUTION IN THE
IS SIGNIFICANTLY WIDER.
–10
0
B
20
60
80
100
140
–8
0
4
LT1055/56 G04
40
120
–2
8
10
–6 –4
2
6
V
=
±
15V
634 UNITS TESTED
FROM THREE RUNS
50% TO
±
1.5
μ
V/
°
C
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