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STMicroelectronics
STMicroelectronics

LM124N Datasheet

LOW POWER QUAD OPERATIONAL AMPLIFIERS


LM124N Datasheet Preview


LM124
® LM224 - LM324
LOW POWER QUAD OPERATIONAL AMPLIFIERS
. WIDE GAIN BANDWIDTH : 1.3MHz
. INPUT COMMON-MODE VOLTAGE RANGE
INCLUDES GROUND
. LARGE VOLTAGE GAIN : 100dB
. VERY LOW SUPPLY CURRENT/AMPLI : 375µA
. LOW INPUT BIAS CURRENT : 20nA
. LOW INPUT OFFSET VOLTAGE : 5mV max.
.. (for more accurate applications, use the equivalent parts
LM124A-LM224A-LM324A which feature 3mV max)
LOW INPUT OFFSET CURRENT : 2nA
WIDE POWER SUPPLY RANGE :
SINGLE SUPPLY : +3V TO +30V
DUAL SUPPLIES : ±1.5V TO ±15V
N
DIP14
(Plastic Package)
D
SO14
(Plastic Micropackage)
P
TSSOP14
(Thin Shrink Small Outline Package)
DE SC RI P TI O N
These circuits consist of four independent, high
gain, internally frequency compensated operational
amplifiers . They operate from a single power supply
over a wide range of voltages. Operation from split
power supplies is also possible and the low power
supply current drain is independent of the magni-
tude of the power supply voltage.
ORDER CODES
Part
Number
Temperature
Range
LM124
LM224
LM324
-55oC, +125oC
-40oC, +105oC
0oC, +70oC
Example : LM224N
PIN CONNECTIONS (top view)
Package
NDP
•••
•••
•••
Output 1 1
Inve rting Input 1 2
Non-inve rting Input 1 3
VCC + 4
Non-inve rting Input 2 5
Inve rting Input 2 6
Output 2 7
-
+
+
-
14 Output 4
- 13 Inve rting Input 4
+ 12 Non-inve rting Input 4
11 VCC -
+ 10 Non-inve rting Input 3
- 9 Inve rting Input 3
8 Output 3
June 1999
1/14
Page 1

LM124 - LM224 - LM324
SCHEMATIC DIAGRAM (1/4 LM124)
VCC
Inve rting
inpu t
No n -in ve rting
inpu t
Q2
Q1
Q8
6µA
Q3
Q4
4µA
CC
1 0 0µA
Q5
Q6
Q7
R SC
Q11
Outp ut
Q13
Q10 Q12
Q9
5 0µA
G ND
ABSOLUTE MAXIMUM RATINGS
Symbol
Vcc
Vi
Vid
Ptot
-
Iin
Toper
Tstg
Parameter
Supply Voltage
Input Voltage
Differential Input Voltage - (*)
Power Dissipation
N Suffix
D Suffix
Output Short-circuit Duration - (note 1)
Input Current – (note 6)
Operating Free Air Temperature Range
Storage Temperature Range
LM124
+32
500
-
50
-55 to +125
-65 to +150
LM224
±16 or 32
-0.3 to +32
+32
500
400
Infinite
50
-40 to +105
-65 to +150
LM324
+32
500
400
50
0 to +70
-65 to +150
Unit
V
V
V
mW
mW
mA
oC
oC
2/14
Page 2

LM124 - LM224 - LM324
ELECTRICAL CHARACTERISTICS
VCC+ = +5V, VCC– = Ground, VO = 1.4V, Tamb = +25oC (unless otherwise specified)
Symbol
Vio
Iio
Iib
Avd
SVR
ICC
Vicm
CMR
Isource
Isink
Parameter
Input Offset Voltage (note 3)
Tamb = +25oC
Tmin. Tamb Tmax.
LM324
LM324
Input Offset Current
Tamb = +25oC
Tmin. Tamb Tmax.
Input Bias Current (note 2)
Tamb = +25oC
Tmin. Tamb Tmax.
Large Signal Voltage Gain
(VCCT+am=b+=15+V25, oRCL = 2k, VO = 1.4V to 11.4V)
Tmin. Tamb Tmax.
Supply Voltage Rejection
(VCCT+am=b5=V+t2o53o0CV)
Ratio
(RS
10k)
Tmin. Tamb Tmax.
Supply Current, all Amp, no load
Tamb = +25oC
VCC = +5V
VCC = +30V
Tmin. Tamb Tmax.
VCC = +5V
VCC = +30V
Input Common Mode Voltage Range
(VCCTa=m+b3=0V+2) 5-o(Cnote 4)
Tmin. Tamb Tmax.
Common-mode Rejection
Tamb = +25oC
Ratio
(RS
10k)
Tmin. Tamb Tmax
Output Current Source (Vid = +1V)
VCC = +15V, Vo = +2V
Output Sink Current (Vid = -1V)
VCC = +15V, Vo = +2V
VCC = +15V, Vo = +0.2V
LM124 - LM224 - LM324
Min.
Typ.
Max.
25
7
7
9
2 30
100
20 150
300
50 100
25
65 110
65
0.7 1.2
1.5 3
0.8 1.2
1.5 3
0 VCC -1.5
0 VCC -2
70 80
60
20 40 70
10 20
12 50
Unit
mV
nA
nA
V/mV
dB
mA
V
dB
mA
mA
µA
3/14
Page 3

LM124 - LM224 - LM324
ELECTRICAL CHARACTERISTICS (continued)
Symbol
VOH
VOL
SR
Parameter
High Level Output Voltage
(VCCTa=mb+3=0+V2)5oC
Tmin.
Tamb
=
T+2am5boC
Tmax.
Tmin. Tamb Tmax.
(VCCTa=mb+5=V+,2R5LoC= 2kΩ)
Tmin. Tamb Tmax.
RL = 2k
RL = 10k
Low Level
Tamb =
Output
+25oC
Voltage
(RL
=
10k)
Tmin. Tamb Tmax.
Slew Rate
VCC = 15V, VI = 0.5 to 3V, RL = 2k, CL = 100pF,
unity gain)
LM124 - LM224 - LM324
Min.
Typ.
Max.
26 27
26
27 28
27
3.5
3
5 20
20
0.4
Unit
V
mV
V/µs
GBP
THD
en
DVio
DIIO
VO1/VO2
Gain Bandwidth Product
VCC = 30V, f = 100kHz, Vin = 10mV
RL = 2k, CL = 100pF
Total Harmonic Distortion
f = 1kHz, AV = 20dB, RL = 2k, VO = 2Vpp
CL = 100pF, VCC = 30V
Equivalent Input Noise Voltage
f = 1kHz, Rs = 100, VCC = 30V
Input Offset Voltage Drift
Input Offset Current Drift
Channel Separation (note 5)
1kHz f 20kHz
MHz
1.3
%
0.015
nV
40 Hz
7 30 µV/oC
10 200 pA/oC
dB
120
Notes :
1. Shor t -cir cui t s f rom t he out put t o VCC can cause excessi ve heat i ng if VC C > 15V. T he maxi mum out put cur rent
is approximately 40mA independent of the magnitude of VC C. Destructive di ssipation can res ult from simul ta-
neous short-circuit on all amplifiers.
2. The di r ect ion of the i nput cur rent is out of t he IC . Thi s cur r ent is essenti al l y constant, i ndependent of the st ate
of the output so no loading change exists on the input lines.
3.
Vo
=
1 . 4V ,
Rs
=
0Ω,
5V
<
V CC +
<
30V ,
0
<
Vic
<
V
C
+
C
-
1.5V
4. The i nput common- mode vol t age of eit her i nput si gnal volt age shoul d not be allow ed to go negat i ve by mor e
than
0.3 V .
T he
upper
end
of
the
c o mm on - m od e
vo l ta ge
r an g e
is
V
C
+
C
-
1 .5V ,
but
e i t h er
or
b ot h
i np ut s
can
go
to +32V without damage.
5. Due t o the proxi mit y of ex ternal component s insure t hat coupl ing i s not ori gi nat ing vi a str ay capaci t ance be-
tween these external parts. This typically can be detected as this type of capacitance increases at higher fre-
quences.
6. This input cur rent onl y exi sts w hen t he volt age at any of t he i nput leads is dr iven negat ive. It i s due t o t he
collector-base junction of the input PNP transistor becoming forward biased and thereby acting as input di-
odes clamps. In addition to thi s diode action, there is also NPN parasitic action on the IC chip. this transistor
action can cause the output voltages of the Op-amps to go to the VCC voltage level (or to ground for a large
overdrive) for the time duration than an input is driven negative.
This is not destructive and normal output will set up again for input voltage higher than -0.3V.
4/14
Page 4
Part Number LM124N
Manufactur STMicroelectronics
Description LOW POWER QUAD OPERATIONAL AMPLIFIERS
Total Page 14 Pages
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