EL2176C/EL2276C
70 MHz/1 mA Current Mode Feedback Amp w/Disable
Features
# Single (EL2176C) and dual
(EL2276C) topologies
General Description
The EL2176C/EL2276C are single/dual current-feedback oper-
b
ational amplifiers which achieve a 3 dB bandwidth of 70 MHz
at a gain of 1 while consuming only 1 mA of supply current
a
# 1 mA supply current (per
amplifier)
per amplifier. They will operate with dual supplies ranging
a
from 1.5V to 6V, or from single supplies ranging from 3V
to 12V. The EL2176C/EL2276C also include a disable/power-
g
g
b
# 70 MHz 3 dB bandwidth
a
# Low cost
# Fast disable
down feature which reduces current consumption to 0 mA while
placing the amplifier output in a high impedance state. In spite
of its low supply current, the EL2276C can output 55 mA while
# Powers down to 0 mA
# Single- and dual-supply
g
g
swinging to 4V on 5V supplies. The EL2176C can output
100 mA with similar output swings. These attributes make the
EL2176C/EL2276C excellent choices for low power and/or low
voltage cable-driver, HDSL, or RGB applications.
g
operation down to 1.5V
# 0.15%/0.15 diff. gain/diff. phase
§
into 150X
# 800V/ms slew rate
For Single, Dual and Quad applications without disable, consid-
er the EL2170C (8-Pin Single), EL2270C (8-Pin Dual) or
EL2470C (14-Pin Quad). For higher bandwidth applications
where low power is still a concern, consider the EL2180C/
El2186C family which also comes in similar Single, Dual and
Quad configurations. The EL2180C/EL2186C family provides a
# Large output drive current:
100 mA (EL2176C)
55 mA (EL2276C)
# Also available without disable in
single (EL2170C), dual
(EL2270C) and quad (EL2470C)
b
3 dB bandwidth of 250 MHz while consuming 3 mA of supply
current per amplifier.
# Higher speed EL2180C/EL2186C
family also available (3 mA/
250 MHz) in single, dual and
quad
Connection Diagrams
EL2176C SO, P-DIP
EL2276C SO, P-DIP
Applications
# Low power/battery applications
# HDSL amplifiers
# Video amplifiers
# Cable drivers
# RGB amplifiers
# Test equipment amplifiers
# Current to voltage converters
2176–1
Ordering Information
Package Outline
Ý
Part No. Temp. Range
b
b
b
b
a
40 C to 85 C 8-Pin PDIP MDP0031
EL2176CN
EL2176CS
EL2276CN
EL2276CS
§
§
2176–2
a
40 C to 85 C 8-Pin SOIC MDP0027
§
§
a
40 C to 85 C 14-Pin PDIP MDP0031
§
§
a
40 C to 85 C 14-Pin SOIC MDP0027
§
§
Manufactured under U.S. Patent No. 5,352,989, 5,351,012, 5,418,495
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.
©
1995 Elantec, Inc.
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