HA5320/883
July 1994
High Speed Precision Sample and Hold Ampli鏗乪r
Description
The HA-5320/883 was designed for use in precision, high speed
data acquisition systems.
The circuit consists of an input transconductance ampli鏗乪r
capable of providing large amounts of charging current, a low
leakage analog switch, and an output integrating ampli鏗乪r. 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.
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?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Aperture Time. . . . . . . . . . . . . . . . . . . . . . . . . 25ns (Typ)
Hold Step Error . . . . . . . . . . . . . . . . . . . . . . 1.0mV (Typ)
Internal Hold Capacitor
Fully Differential Input
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
Pinouts
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
HA4-5320/883
TEMPERATURE
RANGE
-55
o
C to +125
o
C
-55
o
C to +125
o
C
PACKAGE
14 Lead CerDIP
20 Lead Ceramic LCC
Functional Diagram
OFFSET
ADJUST
3
4
V+
9
HA-5320/883 (CLCC)
TOP VIEW
NC
S/H
CNTL
SUPPLY GND
-INPUT 1
+INPUT 2
HA-5320/883
100pF
+
-
+IN
3
OFFSET ADJ
NC
OFFSET ADJ
NC
4
5
6
7
-IN
7
OUTPUT
2
1 20 19
18 NC
17 NC
16 C
EXT
15 NC
14 NC
13
SUPPLY
GND
5
V-
6
SIG
GND
11
C
EXT
8
INTEGRATOR
BANDWIDTH
S/H
CONTROL 14
V- 8
9 10 11 12 13
SIG
GND
OUTPUT
NC
INT. BW
V+
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207
|
Copyright
漏
Intersil Corporation 1999
7-3
Spec Number
511096-883
File Number
2927.3
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