EL2072C
730 MHz Closed Loop Buffer
EL2072C December 1995 Rev E
Features
# 730 MHzb3 dB bandwidth
(0.5 V
PP
)
# 5 ns settling to 0.2%
e
S
g
5V@15 mA
# V
# Low distortion: HD2, HD3 of
b
65 dBc at 20 MHz
# Overload/short-circuit protected
# Closed-loop, unity gain
# Low cost
# Direct replacement for CLC110
Applications
# Video buffer
# Video distribution
# HDTV buffer
# High-speed A/D buffer
# Photodiode, CCD preamps
# IF processors
# High-speed communications
Ordering Information
Part No. Temp. Range Package Outline
EL2072CNb40§Ctoa85§C 8-Pin P-DIP MDP0031
EL2072CSb40§Ctoa85§C 8-Pin SO MDP0027
General Description
The EL2072 is a wide bandwidth, fast settling monolithic buffer
built using an advanced complementary bipolar process. This
buffer is closed loop to achieve lower output impedance and
higher gain accuracy. Designed for closed-loop unity gain, the
EL2072 has a 730 MHz
b
3 dB bandwidth and 5 ns settling to
0.2% while consuming only 15 mA of supply current.
The EL2072 is an obvious high-performance solution for video
distribution and line-driving applications. With low 15 mA supply current and a 70 mA output drive, performance in these
areas is assured.
The EL2072’s settling to 0.2% in 5 ns, low distortion, and ability to drive capacitive loads make it an ideal flash A/D driver.
The wide 730 MHz bandwidth and extremely linear phase allow
unmatched signal fidelity.
The EL2072 can be used inside an amplifier loop or PLL as its
wide bandwidth and fast rise time have minimal effect on loop
dynamics.
Elantec products and facilities comply with MIL-I-45028A, and
other applicable quality specifications. For information on
Elantec’s processing, see Elantec document QRA-1: Elantec’s
Processing, Monolithic Integrated Circuits.
Ý
Connection Diagram
DIP and SO Package
Top View
Manufactured under U.S. Patent No. 4,893,091
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.
©
1991 Elantec, Inc.
2072– 1
EL2072C
730 MHz Closed Loop Buffer
Absolute Maximum Ratings
Supply Voltage (V
Output Current Output is short-circuit protect-
Input Voltage
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
Test Level Test Procedure
I 100% production tested and QA sample tested per QA test plan QCX0002.
II 100% production tested at T
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
)
S
ed to ground, however, maximum reliability is obtained if
does not exceed 70 mA.
I
OUT
T
MAX
and T
MIN
A
per QA test plan QCX0002.
e
(T
25§C)
A
g
7V
Operating Temperature
Junction Temperature 175
Storage Temperature
Thermal Resistance i
g
V
S
Note: See EL2071/EL2171 for Thermal Impedance curves.
e
25§C and QA sample tested at T
e
25§C for information purposes only.
A
b
40§Ctoa85§C
b
60§Ctoa150§C
e
95§C/W P-DIP
JA
e
175§C/W SO
i
JA
e
e
T
TA.
J
C
e
25§C,
A
§
DC Electrical Characteristics
e
g
V
S
Parameter Description
V
OS
TCV
I
B
TCI
B
A
V
ILIN Integral End
PSRR Power Supply All 45.0 65.0 II dB
I
S
OS
5V, R
L
e
100X,R
e
50X unless otherwise specified
S
Test
Conditions Level
Temp Min Typ Max
Test
Output Offset Voltage 25§C 2.0 8.0 I mV
T
MIN
T
MAX
Average Offset 25§CbT
Voltage Drift
25
CbT
§
Input Bias Current 25§C, T
T
MIN
Average Input Bias 25§CbT
Current Drift
Small Signal Gain R
Point linearity
e
100X 25§C 0.96 0.98 I V/V
L
g
2V F.S. 25§C 0.2 0.4 IV %F.S.
25
CbT
§
T
MIN,TMAX
T
MIN
T
MAX
MAX
MIN
MAX
MAX
MIN
200.0 300.0
200.0 700.0
0.95 V V/V
16.0 V mV
13.0 V mV
20.0 50.0
IV mV/
20.0 100.0
10.0 50.0 II mA
100.0 V mA
IV nA/
0.8 IV %F.S.
0.3 IV %F.S.
Rejection Ratio
Supply CurrentÐQuiescent No Load All 15.0 20.0 II mA
Units
C
§
C
§
C
TDis 3.3in
2
DC Electrical Characteristics
e
g
V
S
Parameter Description
R
IN
C
IN
R
OUT
I
OUT
V
OUT
5V, R
L
e
100X,R
e
50X unless otherwise specified Ð Contd.
S
Conditions Level
Input Resistance 25§C 100.0 160.0 I kX
Input Capacitance 25§C 1.6 2.2 IV pF
Output Impedance (DC) 25§C 2.0 3.0 IV X
Output Current 25§C, T
Output Voltage Swing R
Test
e
100X 25§C, T
L
EL2072C
730 MHz Closed Loop Buffer
Temp Min Typ Max
T
MIN
T
MAX
T
MIN,TMAX
T
MIN,TMAX
T
MIN
T
MIN
MAX
MAX
50.0 V kX
200.0 V kX
2.5 IV pF
3.5 IV X
50.0 70.0 II mA
45.0 V mA
g
g
g
3.2
4.0 II V
3.0 V V
Test
Units
TDis 2.4inTDis 3.5in
AC Electrical Characteristics
Parameter Description
FREQUENCY RESPONSE
SSBW
LSBW
b
3 dB Bandwidth 25§C 400.0 730.0 V MHz
k
(V
b
(V
0.5 VPP)
OUT
3 dB Bandwidth 25§C 55.0 90.0 IV MHz
e
5.0 VPP)
OUT
GAIN FLATNESS
GFPL Peaking
k
V
0.5 V
OUT
PP
GFR Rolloff
k
V
0.5 V
OUT
PP
GDL Group Delay
LPD Linear Phase Deviation
k
V
0.5 V
OUT
PP
Conditions Level
k
k
k
k
Test
e
V
S
g
5V, R
L
e
100X,R
e
50X unless otherwise specified
S
Temp Min Typ Max
T
MIN
T
MAX
T
MIN,TMAX
400.0 IV MHz
300.0 IV MHz
50.0 IV MHz
Test
Units
200 MHz 25§C 0.0 0.5 V dB
T
T
MAX
MIN
0.6 IV dB
0.8 IV dB
200 MHz 25§C 0.0 0.8 V dB
T
MIN
T
MAX
200 MHz 25§C, T
T
MAX
200 MHz 25
§
T
C, T
MAX
MIN
MIN
0.75 1.0 IV ns
0.7 1.5 IV
1.0 IV dB
1.2 IV dB
1.2 IV ns
2.0 IV
§
§
3