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LF398 Datasheet(PDF) 5 Page - NXP Semiconductors

Part # LF398
Description  Sample-and-hold amplifiers
PDF  5 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

LF398 Datasheet(HTML) 5 Page - NXP Semiconductors

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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)
100
10
1
–10
–100
0.1
1
10
100
1000
INPUT SLEW RATE (V/ms)
330pF
1000pF
330pF
±
10
0
10
–1
10
–2
10
–3
10
–4
100pF
1000pF
0.01
µF
0.1
µF
1
µF
TJ =25°C
TJ =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
–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
NEGATIVE
MODE
POSITIVE
MODE
TJ =25°C
V+ = V– = 15V
VOUT = 0°C
160
140
120
100
80
60
40
20
0
100
1k
10k
100k
1M
Ch = 1000pF
Ch ≥ 0.01µF
Ch = 1000pF
Ch = 0.01µF
Ch ≥ 0.01µF
Ch = 0
Ch = 0
5
0
–5
–10
80
70
60
50
40
30
20
10
0
1k
10k
100k
1M
10M
FREQUENCY (Hz)
–130
–120
–110
–100
–90
–80
–70
–60
–50
100
1k
10k
100k
1M
100
10
Ch = 0.01µF
Ch = 1000pF
Ch = 0.1µF
V+ = V– = 15V
TJ =25°C
VIN = 10Vp-p
V7.8 = 0
FREQUENCY (Hz)
FREQUENCY (Hz)



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