TM
HA-5320/883
High Speed Precision Sample and Hold Amplifier
Description
The HA-5320/883 was designed for use in precision, high speed
data acquisition systems.
The circuit consists of an input transconductance amplifier
capable of providing large amounts of charging current, a low
leakage analog switch, and an output integrating amplifier. The
analog switch sees virtual ground as its load; therefore, charge
injection on the hold capacitor is constant over the entire input/
output voltage range. The pedestal voltage resulting from this
charge injection can be adjusted to zero by use of the offset
adjust inputs. The device includes a hold capacitor. However, if
improved droop rate is required at the expense of acquisition
time, additional hold capacitance may be added externally.
This monolithic device is manufactured using the Intersil
Dielectric Isolation Process, minimizing stray capacitance and
eliminating SCR鈥檚. This allows higher speed and latch-free
operation. For further information, please see Application Note
AN538.
April 2002
Features
鈥?This Circuit is Processed in Accordance to MIL-STD-
883 and is Fully Conformant Under the Provisions of
Paragraph 1.2.1.
鈥?Gain, DC . . . . . . . . . . . . . . . . . . . . . . . . 2 x 10
6
V/V (Typ)
鈥?Acquisition Time . . . . . . . . . . . . . . . 1.0碌s (0.01%) (Typ)
鈥?Droop Rate . . . . . . . . . . . . . . . . 0.08碌V/碌s (+25
o
C) (Typ)
17碌V/碌s (Full Temperature) (Typ)
鈥?Aperture Time . . . . . . . . . . . . . . . . . . . . . . . . 25ns (Typ)
鈥?Hold Step Error . . . . . . . . . . . . . . . . . . . . . . 1.0mV (Typ)
鈥?Internal Hold Capacitor
鈥?Fully Differential Input
鈥?TTL Compatible
Applications
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
High Bandwidth Precision Data Acquisition Systems
Inertial Navigation and Guidance Systems
Ultrasonics
SONAR / RADAR
Digital to Analog Converter Deglitcher
Pinout
HA-5320/883 (CERDIP)
TOP VIEW
-INPUT 1
+INPUT 2
OFFSET ADJ 3
OFFSET ADJ 4
V- 5
SIG GND 6
OUTPUT 7
14 S/H CONTROL
13 SUPPLY GND
12 NC
11 C
EXT
10 NC
9 V+
8 INT. BW
Ordering Information
PART NUMBER
HA1-5320/883
TEMPERATURE
RANGE
-55
o
C to +125
o
C
PACKAGE
14 Lead CerDIP
Functional Diagram
OFFSET
ADJUST
3
4
V+
9
HA-5320/883
-INPUT 1
+INPUT 2
100pF
+
-
7
OUTPUT
S/H
CONTROL 14
13
SUPPLY
GND
5
V-
6
SIG
GND
11
C
EXT
8
INTEGRATOR
BANDWIDTH
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Intersil (and design) is a trademark of Intersil Americas Inc.
Copyright 漏 Intersil Americas Inc. 2002. All Rights Reserved
1
Spec Number
511096-883
FN2927.4
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