參數(shù)資料
型號: LF298
廠商: NXP Semiconductors N.V.
元件分類: 取樣保持放大器
英文描述: Sample-and-hold amplifiers(采樣與保持放大器)
中文描述: 采樣保持放大器(采樣與保持放大器)
文件頁數(shù): 5/5頁
文件大?。?/td> 129K
代理商: LF298
Philips Semiconductors Linear Products
Product specification
LF198/LF298/LF398
Sample-and-hold amplifiers
August 31, 1994
883
TYPICAL AC PERFORMANCE CHARACTERISTICS
(Continued)
Dynamic Sampling Error
Output Droop Rate
‘Hold’ Sampling Time
Phase And Gain
(Input to Output, Small-Signal)
Power Supply Rejection
Output Noise
Feedthrough Rejection Ratio
(Hold Mode)
E
100
10
1
–10
–100
0.1
1
10
100
1000
INPUT SLEW RATE (V/ms)
330pF
1000pF
330pF
±
100
10–1
10–2
10–3
10–4
V
100pF
1000pF
0.01
μ
F
0.1
μ
F
1
μ
F
T
J
=25
°
C
T
J
=85
°
C
HOLD CAPACITOR
V+ = V– = 15V
SETTLING TIME
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
T
μ
–50 –25
0
25
50
75
100 125
150
JUNCTION TEMPERATURE (
°
C)
160
140
120
100
80
60
40
20
0
10
100
1k
10k
100k
FREQUENCY (Hz)
‘HOLD’ MODE
SAMPLE
MODE
N
NEGATIVE
MODE
POSITIVE
MODE
T
J
=25
°
C
V+ = V– = 15V
V
OUT
= 0
°
C
160
140
120
100
80
60
40
20
0
100
1k
10k
100k
1M
R
C
h
= 1000pF
C
h
0.01
μ
F
C
h
= 1000pF
C
h
=
0.01
μ
F
C
h
0.01
μ
F
C
h
= 0
C
h
= 0
G
5
0
–5
–10
80
70
60
50
40
30
20
10
0
1k
10k
100k
1M
10M
FREQUENCY (Hz)
I
o
–130
–120
–110
–100
R
–90
–80
–70
–60
–50
100
1k
10k
100k
1M
100
10
C
h
=
0.01
μ
F
C
h
= 1000pF
C
h
=
0.1
μ
F
V+ = V– = 15V
T
J
=25
°
C
V
IN
= 10Vp-p
V
7.8
= 0
FREQUENCY (Hz)
FREQUENCY (Hz)
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