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2904d datasheet - pdf free download

LM2904
Low power dual operational amplifier
Features

Internally frequency compensated

Large DC voltage gain: 100 dB

Wide bandwidth (unity gain): 1.1 MHz
(temperature compensated)

Very low supply current/op (500 µA) essentially
independent of supply voltage

Low input bias current: 20 nA (temperature
compensated)

Low input offset current: 2 nA

Input common-mode voltage range includes
negative rail

Differential input voltage range equal to the
power supply voltage

Large output voltage swing 0 V to (VCC+ -1.5 V)
N
DIP8
(Plastic package)
D
SO-8
(Plastic micropackage)
Description
This circuit consists of two independent, high
gain, internally frequency compensated
operational amplifiers which were designed
specifically for automotive and industrial control
system. It operates from a single power supply
over a wide range of voltages. The low power
supply drain is independent of the magnitude of
the power supply voltage.
P
TSSOP8
(Thin shrink small outline package)
S
MiniSO-8
Application areas include transducer amplifiers,
DC gain blocks and all the conventional op-amp
circuits which now can be more easily
implemented in single power supply systems. For
example, these circuits can be directly supplied
from the standard +5 V which is used in logic
systems and will easily provide the required
interface electronics without requiring any
additional power supply.
Pin connections (top view)
In the linear mode the input common-mode
voltage range includes ground and the output
voltage can also swing to ground, even though
operated from a single power supply.
April 2008
Rev 11
1/22
www.st.com
22
Table of contents
LM2904
Table of contents
1
Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 4
3
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Typical single-supply applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4
5
Macromodel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.1
Important note concerning this macromodel . . . . . . . . . . . . . . . . . . . . . . 13
4.2
Macromodel code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1
DIP8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.2
SO-8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.3
TSSOP8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.4
MiniSO-8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
7
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2/22
LM2904
1
Schematic diagram
Schematic diagram