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參數資料
| 型號： | HA-2420 |
| 廠商： | Intersil Corporation |
| 元件分類： | 運動控制電子 |
| 英文描述： | 3.2レs Sample and Hold Amplifiers |
| 中文描述： | 3.2レ樣品買賣和保持放大器 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 128K |
| 代理商： | HA-2420 |
5-1
November 1996
HA-2420, HA-2425
3.2
μ
s Sample and Hold Amplifiers
Features
Maximum Acquisition Time
- 10V Step to 0.1%. . . . . . . . . . . . . . . . . . . . . 4
μ
s (Max)
- 10V Step to 0.01%. . . . . . . . . . . . . . . . . . . . 6
μ
s (Max)
Low Droop Rate (C
H
= 1000pF). . . . . . . . 5
μ
V/ms (Typ)
Gain Bandwidth Product . . . . . . . . . . . . . 2.5MHz (Typ)
Low Effective Aperture Delay Time . . . . . . . 30ns (Typ)
TTL Compatible Control Input
±
12V to
±
15V Operation
Applications
12-Bit Data Acquisition
Digital to Analog Deglitcher
Auto Zero Systems
Peak Detector
Gated Operational Amplifier
Description
The HA-2420 and HA-2425 is a monolithic circuit consisting
of a high performance operational amplifier with its output in
series with an ultra-low leakage analog switch and JFET
input unity gain amplifier.
With an external hold capacitor connected to the switch output,
a versatile, high performance sample-and-hold or track-and-
hold circuit is formed. When the switch is closed, the device
behaves as an operational amplifier, and any of the standard op
amp feedback networks may be connected around the device
to control gain, frequency response, etc. When the switch is
opened the output will remain at its last level.
Performance as a sample-and-hold compares very favorably
with other monolithic, hybrid, modular, and discrete circuits.
Accuracy to better than 0.01% is achievable over the
temperature range. Fast acquisition is coupled with superior
droop characteristics, even at high temperatures. High slew
rate, wide bandwidth, and low acquisition time produce
excellent dynamic characteristics. The ability to operate at
gains greater than 1 frequently eliminates the need for
external scaling amplifiers.
The device may also be used as a versatile operational
amplifier with a gated output for applications such as analog
switches, peak holding circuits, etc. For more information,
please see Application Note AN517.
The MIL-STD-883 data sheet for this device is available on
request.
Pinouts
Ordering Information
PART NUMBER
TEMP.
RANGE (
o
C)
PACKAGE
PKG.
NO.
HA1-2420-2
-55 to 125
14 Ld CERDIP
F14.3
HA1-2425-5
0 to 75
14 Ld CERDIP
F14.3
HA3-2425-5
0 to 75
14 Ld PDIP
E14.3
HA4P2425-5
0 to 75
20 Ld PLCC
N20.35
HA9P2425-5
0 to 75
14 Ld SOIC
M14.15
HA-2420 (CERDIP)
HA-2425 (CERDIP, PDIP, SOIC)
TOP VIEW
HA-2425
(PLCC)
TOP VIEW
-IN
+IN
OFFSET ADJ.
OFFSET ADJ.
V-
NC
OUTPUT
S/H CONTROL
GND
NC
HOLD CAP.
NC
V+
NC
1
2
3
4
5
6
7
14
13
12
11
10
9
8
G
19
NC
N
N
1
OFFSET ADJ.
NC
OFFSET ADJ.
N
NC
O
NC
NC
NC
HOLD CAP.
V
-
2
+
3
V-
S
20
N
15
16
17
18
14
9
10
11 12 13
4
5
6
7
8
File Number
2856.2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright Intersil Corporation 1999
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