ꢀꢁ ꢂ ꢃꢄ ꢅ ꢀꢁ ꢂ ꢃꢄ ꢆꢅ ꢀ ꢁꢃ ꢃ ꢄ ꢅ ꢀ ꢁꢃ ꢃ ꢄ ꢆꢅ ꢀ ꢁꢇ ꢃ ꢄ ꢅ ꢀ ꢁꢇ ꢃ ꢄ ꢆꢅ ꢀ ꢁꢃ ꢈ ꢉ ꢃ ꢅ ꢀꢁ ꢃ ꢈꢉ ꢃꢊꢅ
ꢀꢁ ꢃ ꢃꢄ ꢋ ꢅ ꢀꢁ ꢃ ꢃꢄ ꢋꢆ ꢅ ꢀ ꢁꢇ ꢃ ꢄ ꢋꢅ ꢀ ꢁꢇ ꢃ ꢄ ꢋꢆꢅ ꢀ ꢁꢃ ꢈ ꢉ ꢃ ꢋꢅ ꢀ ꢁꢃ ꢈ ꢉ ꢃ ꢋꢊꢅ ꢀ ꢁꢃ ꢈꢉ ꢃꢋ ꢆꢊ
ꢌ ꢍꢆꢎꢏ ꢍꢐꢀ ꢑ ꢒ ꢐꢑꢏ ꢆꢓ ꢔꢒ ꢕꢆꢀ ꢆꢁ ꢐ ꢀꢔ ꢖꢔ ꢑꢏ ꢗ
SLOS066R − SEPTEMBER 1975 − REVISED JANUARY 2005
LM124 . . . D, J, OR W PACKAGE
LM124A . . . J PACKAGE
D
D
2-kV ESD Protection for:
− LM224K, LM224KA
− LM324K, LM324KA
LM224, LM224A, LM224K, LM224KA . . . D OR N PACKAGE
LM324, LM324K . . . D, N, NS, OR PW PACKAGE
LM324A . . . D, DB, N, NS, OR PW PACKAGE
LM324KA . . . D, N, NS, OR PW PACKAGE
LM2902 . . . D, N, NS, OR PW PACKAGE
LM2902K . . . D, DB, N, NS, OR PW PACKAGE
LM2902KV, LM2902KAV . . . D OR PW PACKAGE
(TOP VIEW)
− LM2902K, LM2902KV, LM2902KAV
Wide Supply Ranges
− Single Supply . . . 3 V to 32 V
(26 V for LM2902)
− Dual Supplies . . . + 1.5 V to + 16 V
(+ 13 V for LM2902)
1
2
3
4
5
6
7
14
13
12
11
10
9
4OUT
4IN−
4IN+
GND
3IN+
3IN−
3OUT
1OUT
1IN−
1IN+
D
D
Low Supply-Current Drain Independent of
Supply Voltage . . . 0.8 mA Typ
Common-Mode Input Voltage Range
Includes Ground, Allowing Direct Sensing
Near Ground
V
CC
2IN+
2IN−
D
Low Input Bias and Offset Parameters
− Input Offset Voltage . . . 3 mV Typ
A Versions . . . 2 mV Typ
8
2OUT
− Input Offset Current . . . 2 nA Typ
− Input Bias Current . . . 20 nA Typ
A Versions . . . 15 nA Typ
LM124, LM124A . . . FK PACKAGE
(TOP VIEW)
D
Differential Input Voltage Range Equal to
Maximum-Rated Supply Voltage . . . 32 V
(26 V for LM2902)
3
2
1
20 19
18
4IN+
NC
1IN+
NC
4
5
6
7
8
D
D
Open-Loop Differential Voltage
Amplification . . . 100 V/mV Typ
17
16
15
14
GND
NC
V
CC
Internal Frequency Compensation
NC
3IN+
2IN+
description/ordering information
9
10 11 12 13
These devices consist of four independent
high-gain frequency-compensated operational
amplifiers that are designed specifically to operate
from a single supply over a wide range of voltages.
Operation from split supplies also is possible if the
difference between the two supplies is 3 V to 32 V
NC − No internal connection
(3 V to 26 V for the LM2902), and V
is at least
CC
1.5 V more positive than the input common-mode
voltage. The low supply-current drain is
independent of the magnitude of the supply
voltage.
Applications include transducer amplifiers, dc amplification blocks, and all the conventional
operational-amplifier circuits that now can be more easily implemented in single-supply-voltage systems. For
example, the LM124 can be operated directly from the standard 5-V supply that is used in digital systems and
provides the required interface electronics, without requiring additional 15-V supplies.
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Copyright 2004, Texas Instruments Incorporated
ꢒ ꢚ ꢥ ꢝ ꢜꢨ ꢣꢢ ꢠꢡ ꢢꢜ ꢞꢥ ꢧꢙ ꢟꢚ ꢠ ꢠꢜ ꢁꢔ ꢀꢯ ꢐꢏ ꢖ ꢯꢇꢰꢱ ꢇꢱꢅ ꢟꢧꢧ ꢥꢟ ꢝ ꢟ ꢞꢤ ꢠꢤꢝ ꢡ ꢟ ꢝ ꢤ ꢠꢤ ꢡꢠꢤ ꢨ
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ꢠ ꢤ ꢡ ꢠꢙ ꢚꢮ ꢜꢛ ꢟ ꢧꢧ ꢥꢟ ꢝ ꢟ ꢞ ꢤ ꢠ ꢤ ꢝ ꢡ ꢩ
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ꢣ ꢚꢧ ꢤꢡꢡ ꢜ ꢠꢪꢤ ꢝ ꢬꢙ ꢡꢤ ꢚ ꢜꢠꢤ ꢨꢩ ꢒ ꢚ ꢟꢧ ꢧ ꢜ ꢠꢪꢤ ꢝ ꢥꢝ ꢜ ꢨꢣꢢ ꢠꢡ ꢅ ꢥꢝ ꢜ ꢨꢣꢢ ꢠꢙꢜ ꢚ
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1
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