ELH0002H/883/7801301XX July 1991 Rev G
ELH0002H/883/7801301XX
Current Amplifier
Note: All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication; however, this data sheet cannot be a ‘‘controlled document’’. Current revisions, if any, to these
specifications are maintained at the factory and are available upon your request. We recommend checking the revision level before finalization of your design documentation. Patent pending.
CMSÝ0002DS
©
1989 Elantec, Inc.
Features
# 400 mA pulsed output current
# DC to 30 MHz bandwidth
# 200 V/ms slew rate
# Low harmonic distortion
# High input impedanceÐ400 kX
# Low output impedanceÐ6X
# High power efficiency
# Operation from
g
5V tog20V
# Output voltage swing approaches
supply voltage
# MIL-STD-883 devices
manufactured in U.S.A.
Applications
# Line driver
# 30 MHz buffer
# High-speed D/A conversion
# Instrumentation buffer
# Precision current source
Ordering Information
Part No. Temp. Range Pkg. Outline
Ý
ELH0002H/883Bb55§Ctoa125§C TO-5 MDP0001
7801301XX is the DESC version of this
device.
0002– 1
Top View
Case is electrically isolated.
General Description
The ELH0002 is a general purpose hybrid current amplifier
buffer that is built on a single substrate.
The ELH0002 is ideal for current buffering operational amplifiers without changing the characteristics of the Op Amp. The
ELH0002 uses a completely symmetrical circuit to provide a
low output impedance when both sourcing and sinking current.
This means the output will drive coaxial cables and other capacitive loads with equivalent rise and fall times.
The ELH0002 is specified for operation over the
b
55§Cto
a
125§C military temperature range.
Elantec facilities comply with MIL-I-45208A and are MILSTD-1772 certified. Elantec’s Military devices comply with
MIL-STD-883B Revision C and are manufactured in our rigidly
controlled, ultra-clean facilities in Milpitas, California. For additional information on Elantec’s Quality and Reliability Assurance Policy and procedures request brochure QRA-1.
Equivalent Schematic
0002– 2
ELH0002H/883/7801301XX
Current Amplifier
Absolute Maximum Ratings
(T
A
e
25§C)
V
S
Supply Voltage
g
22V
V
IN
Input Voltage
g
22V
P
D
Power Dissipation Ambient 600 mW
T
ST
Storage Temperature
b
65§Ctoa150§C
T
A
Operating Temperature Range
ELH0002
b
55§Ctoa125§C
Steady State Current
g
100 mA
Pulsed Output Current
(50 ms On/1 second Off)
g
400 mA
Important Note:
All parameters having Min/Max specifications are guaranteed. The Test Level column indicates the specific device testing actually
performed during production and Quality inspection. Elantec performs most electrical tests using modern high-speed automatic test
equipment, specifically the LTX77 Series system. Unless otherwise noted, all tests are pulsed tests, therefore T
J
e
T
C
e
TA.
Test Level Test Procedure
I 100% production tested and QA sample tested per QA test plan QCX0002.
II 100% production tested at T
A
e
25§C and QA sample tested at T
A
e
25§C,
T
MAX
and T
MIN
per QA test plan QCX0002.
III QA sample tested per QA test plan QCX0002.
IV Parameter is guaranteed (but not tested) by Design and Characterization Data.
V Parameter is typical value at T
A
e
25§C for information purposes only.
DC Electrical Characteristics
V
S
e
g
12V, T
MIN
s
T
A
s
T
MAX
Parameter Description Test Conditions
ELH0002
Units
Min Typ Max
Test
Level
V
OS
Output Offset R
S
e
300X,R
L
e
1kX
g
10
g
30 I mV
Voltage
A
V
Voltage Gain R
S
e
10 kX,R
L
e
1kX,
0.95 0.97 I V/V
V
IN
e
g
10 V
dc
R
IN
Input Impedance R
S
e
200 kX,V
IN
e
g
1Vdc,
180 400 I kX
R
L
e
1kX
R
OUT
Output Impedance R
S
e
50X,V
IN
e
g
1Vdc,
6
X
R
S
e
10 kX
V
O
Output Voltage V
IN
e
g
12V, R
L
e
1KX
g
10
g
11 I V
Swing
V
S
e
g
15V, V
IN
e
g
12V,
g
10 I V
R
S
e
50X,R
L
e
100X,T
A
e
25§C
I
B
Input Current R
S
e
10 kX,R
L
e
1kX
g
6
g
10 I mA
I
S
a
Positive R
S
e
10 kX,R
L
e
1kX
610 I mA
Supply Current
I
S
b
Negative R
S
e
10 kX,R
L
e
1kX
b6b
10 I mA
Supply Current
Note 1: Elantec’s ELH0002H/200 is tested to the ELH0002 DC limits atb25§C,a25§C anda125§C, and the AC limits at 25§C. In
addition, the parts are also tested to the DC limits for V
OS,AVOL
with R
L
e
1kX,IIN,I
S
a
and I
S
b
at 200§C.
2
TDis 3.1in
ELH0002H/883/7801301XX
Current Amplifier
AC Electrical Characteristics
V
S
e
g
12V, T
A
e
25§C
Parameter Description Test Conditions
ELH0002
Units
Min Typ Max
Test
Level
A
V
Voltage Gain R
S
e
10 kX,R
L
e
1kX
0.95 0.97 I V/V
V
IN
e
3V
P-P
,fe1 kHz
A
I
Current Gain V
IN
e
1V
RMS
,fe1 kHz 40 A/mA
R
IN
Input Impedance R
S
e
200 kX,V
IN
e
1V
RMS
,
180 400 I kX
R
L
e
1kX,fe1 kHz
R
OUT
Output Impedance R
L
e
50X,V
IN
e
1V
RMS
,
610 I X
R
S
e
10 kX,fe1 kHz
HD Harmonic V
IN
e
5V
RMS
,fe1 kHz
0.1 V %
Distortion
t
r
Rise Time R
L
e
50X, DV
IN
e
100 mV 7 12 III ns
Typical Performance Curves
Dissipation
Maximum Power
Frequency Response (Magnitude & Phase)
Input Impedance
Supply Current Positive Pulse Negative Pulse
0002– 3
3
TDis 2.2in