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Motorola  Inc
Motorola Inc

LM324N Datasheet

QUAD DIFFERENTIAL INPUT OPERATIONAL AMPLIFIERS


LM324N Datasheet Preview


Quad Low Power
Operational Amplifiers
The LM324 series are low–cost, quad operational amplifiers with true
differential inputs. They have several distinct advantages over standard
operational amplifier types in single supply applications. The quad amplifier
can operate at supply voltages as low as 3.0 V or as high as 32 V with
quiescent currents about one–fifth of those associated with the MC1741 (on
a per amplifier basis). The common mode input range includes the negative
supply, thereby eliminating the necessity for external biasing components in
many applications. The output voltage range also includes the negative
power supply voltage.
Short Circuited Protected Outputs
True Differential Input Stage
Single Supply Operation: 3.0 V to 32 V
Low Input Bias Currents: 100 nA Maximum (LM324A)
Four Amplifiers Per Package
Internally Compensated
Common Mode Range Extends to Negative Supply
Industry Standard Pinouts
ESD Clamps on the Inputs Increase Ruggedness without Affecting
Device Operation
Order this document by LM324/D
LM324, LM324A,
LM224, LM2902,
LM2902V
QUAD DIFFERENTIAL INPUT
OPERATIONAL AMPLIFIERS
SEMICONDUCTOR
TECHNICAL DATA
14
1
N SUFFIX
PLASTIC PACKAGE
CASE 646
(LM224, LM324,
LM2902 Only)
14
1
D SUFFIX
PLASTIC PACKAGE
CASE 751A
(SO–14)
PIN CONNECTIONS
MAXIMUM RATINGS (TA = + 25°C, unless otherwise noted.)
Rating
LM224
LM2902,
Symbol LM324, LM324A LM2902V
Power Supply Voltages
Single Supply
Split Supplies
Input Differential
Voltage Range (See
Note 1)
VCC
VCC, VEE
VIDR
32
±16
±32
26
±13
±26
Input Common Mode
Voltage Range
VICR
–0.3 to 32
–0.3 to 26
Output Short Circuit
Duration
tSC
Continuous
Junction Temperature
Storage Temperature
Range
Operating Ambient
Temperature Range
TJ
Tstg
TA
150
–65 to +150
–25 to +85
0 to +70
–40 to +105
–40 to +125
NOTE: 1. Split Power Supplies.
Unit
Vdc
Vdc
Vdc
°C
°C
°C
Out 1 1
Inputs 1
2
3
*)1
VCC 4
Inputs 2 5 )*2
6
Out 2 7
14 Out 4
13
*4 Inputs 4
) 12
11 VEE, Gnd
3)* 10 Inputs 3
9
8 Out 3
(Top View)
ORDERING INFORMATION
Device
LM2902D
LM2902N
LM2902VD
LM2902VN
LM224D
LM224N
LM324AD
Operating
Temperature Range
TA = –40° to +105°C
TA = –40° to +125°C
TA = –25° to +85°C
Package
SO–14
Plastic DIP
SO–14
Plastic DIP
SO–14
Plastic DIP
SO–14
LM324AN
LM324D
LM324N
TA = 0° to +70°C
Plastic DIP
SO–14
Plastic DIP
MOTOROLA ANALOG IC DEVICE DATA
© Motorola, Inc. 1996
Rev 3
1
Page 1

LM324, LM324A, LM224, LM2902, LM2902V
ELECTRICAL CHARACTERISTICS (VCC = 5.0 V, VEE = Gnd, TA = 25°C, unless otherwise noted.)
LM224
LM324A
LM324
LM2902
LM2902V
Characteristics
Symbol Min Typ Max Min Typ Max Min Typ Max Min Typ Max Min Typ Max Unit
Input Offset Voltage
VCC = 5.0 V to 30 V
(26 V for LM2902,
V), VICR = 0 V to
VCC –1.7 V, VO =
1.4 V, RS = 0
TA = 25°C
TA = Thigh(1)
TA = Tlow(1)
Average Temperature
Coefficient of Input
Offset Voltage
TA = Thigh to Tlow(1)
Input Offset Current
TA = Thigh to Tlow(1)
Average Temperature
Coefficient of Input
Offset Current
TA = Thigh to Tlow(1)
Input Bias Current
TA = Thigh to Tlow(1)
Input Common Mode
Voltage Range(2)
VCC = 30 V (26 V for
LM2902, V)
VCC = 30 V (26 V for
LM2902, V),
TA = Thigh to Tlow
Differential Input
Voltage Range
VIO
VIO/T
IIO
IIO/T
IIB
VICR
VIDR
0
0
2.0 5.0 –
– 7.0 –
– 7.0 –
7.0 – –
3.0 30 –
– 100 –
10 – –
–90 –150 –
– –300 –
– 28.3 0
– 28 0
– VCC –
2.0 3.0 –
– 5.0 –
– 5.0 –
7.0 30 –
5.0 30 –
– 75 –
10 300 –
–45 –100 –
– –200 –
– 28.3 0
– 28 0
– VCC –
2.0 7.0 –
– 9.0 –
– 9.0 –
7.0 – –
5.0 50 –
– 150 –
10 – –
–90 –250 –
– –500 –
– 28.3 0
– 28 0
– VCC –
2.0 7.0 –
– 10 –
– 10 –
7.0 – –
5.0 50 –
– 200 –
10 – –
–90 –250 –
– –500 –
– 24.3 0
– 24 0
– VCC –
mV
2.0 7.0
– 13
– 10
7.0 – µV/°C
5.0 50
– 200
nA
10 – pA/°C
–90 –250
– –500
– 24.3
nA
V
– 24
– VCC
V
Large Signal Open
Loop Voltage Gain
RL = 2.0 k, VCC =
15 V, for Large VO
Swing, TA = Thigh
to Tlow(1)
Channel Separation
10 kHz f 20 kHz,
Input Referenced
AVOL
CS
50 100
25 –
– –120
25 100
15 –
– –120 –
25 100
15 –
– –120 –
25 100
15 –
– –120 –
25 100
15 –
– –120 –
V/mV
dB
Common Mode
CMR 70 85
Rejection, RS 10 k
– 65 70
– 65 70
– 50 70
– 50 70
Power Supply
Rejection
PSR 65 100 – 65 100 – 65 100 – 50 100 – 50 100 –
dB
dB
Output Voltage – High
TLilmowit)((T1A) = Thigh to
VCC = 5.0 V, RL =
2.0 k, TA = 25°C
VCC = 30 V (26 V for
LM2902, V),
RL = 2.0 k
VCC = 30 V (26 V for
LM2902, V),
RL = 10 k
VOH
3.3 3.5
26 –
27 28
– 3.3 3.5
– 26 –
– 27 28
– 3.3 3.5
– 26 –
– 27 28
– 3.3 3.5
– 22 –
– 23 24
– 3.3 3.5
– 22 –
– 23 24
NOTES: 1. Tlow = –25°C for LM224
= 0°C for LM324, A
Thigh = +85°C for LM224
= +70°C for LM324, A
= –40°C for LM2902
= +105°C for LM2902
= –40°C for LM2902V
= +125°C for LM2902V
2. The input common mode voltage or either input signal voltage should not be allowed to go negative by more than 0.3 V. The upper end of the
common mode voltage range is VCC –1.7 V.
V
2 MOTOROLA ANALOG IC DEVICE DATA
Page 2

LM324, LM324A, LM224, LM2902, LM2902V
ELECTRICAL CHARACTERISTICS (VCC = 5.0 V, VEE = Gnd, TA = 25°C, unless otherwise noted.)
LM224
LM324A
LM324
LM2902
LM2902V
Characteristics
Symbol Min Typ Max Min Typ Max Min Typ Max Min Typ Max Min Typ Max
Output Voltage – Low
Limit, VCC = 5.0 V, RL
=T1l0owk(1,)TA = Thigh to
VOL
– 5.0 20 – 5.0 20 – 5.0 20 – 5.0 100 – 5.0 100
Output Source Current
(VID = +1.0 V, VCC =
15 V)
TA = 25°C
TA = Thigh to Tlow(1)
Output Sink Current
(VID = –1.0 V, VCC =
15 V) TA = 25°C
TA = Thigh to Tlow(1)
(VID = –1.0 V, VO =
200 mV, TA = 25°C)
Output Short Circuit to
Ground(3)
IO +
IO
ISC
20 40
10 20
10 20
5.0 8.0
12 50
– 40
– 20 40
– 10 20
– 10 20
– 5.0 8.0
– 12 50
60 – 40
– 20 40
– 10 20
– 10 20
– 5.0 8.0
– 12 50
60 – 40
– 20 40
– 10 20
– 10 20
– 5.0 8.0
–– –
60 – 40
– 20 40
– 10 20
– 10 20
– 5.0 8.0
–– –
60 – 40
60
Power Supply Current
(TA = Thigh to Tlow)(1)
ICC
VCC = 30 V (26 V for
– – 3.0 – 1.4 3.0 – – 3.0 – – 3.0 – – 3.0
LM2902, V),
VO = 0 V, RL =
VCC = 5.0 V,
VO = 0 V, RL =
– – 1.2 – 0.7 1.2 – – 1.2 – – 1.2 – – 1.2
NOTES: 1. Tlow = –25°C for LM224
= 0°C for LM324, A
Thigh = +85°C for LM224
= +70°C for LM324, A
= –40°C for LM2902
= +105°C for LM2902
= –40°C for LM2902V
= +125°C for LM2902V
2. The input common mode voltage or either input signal voltage should not be allowed to go negative by more than 0.3 V. The upper end of the
common mode voltage range is VCC –1.7 V.
Unit
mV
mA
mA
µA
mA
mA
Representative Circuit Diagram
(One–Fourth of Circuit Shown)
Q15
Q16
Q19
5.0 pF
+
Inputs
Q18
Q17
Q2
Q3
Q20
Q21
Q5
Q4
Q6 Q7
Q8
Q26
Q9
Q14
40 k
Q13
Q12
25
Q11
Q10
Output
Bias Circuitry
Common to Four
Amplifiers
Q22
VCC
Q24
Q23
Q25
Q1 2.4 k
2.0 k
VEE/Gnd
MOTOROLA ANALOG IC DEVICE DATA
3
Page 3

LM324, LM324A, LM224, LM2902, LM2902V
CIRCUIT DESCRIPTION
The LM324 series is made using four internally
compensated, two–stage operational amplifiers. The first
stage of each consists of differential input devices Q20 and
Q18 with input buffer transistors Q21 and Q17 and the
differential to single ended converter Q3 and Q4. The first
stage performs not only the first stage gain function but also
performs the level shifting and transconductance reduction
functions. By reducing the transconductance, a smaller
compensation capacitor (only 5.0 pF) can be employed, thus
saving chip area. The transconductance reduction is
accomplished by splitting the collectors of Q20 and Q18.
Another feature of this input stage is that the input common
mode range can include the negative supply or ground, in
single supply operation, without saturating either the input
devices or the differential to single–ended converter. The
second stage consists of a standard current source load
amplifier stage.
Large Signal Voltage Follower Response
VCC = 15 Vdc
RL = 2.0 k
TA = 25°C
5.0 µs/DIV
Each amplifier is biased from an internal–voltage regulator
which has a low temperature coefficient thus giving each
amplifier good temperature characteristics as well as
excellent power supply rejection.
Single Supply
3.0 V to VCC(max)
VCC
1
2
3
4
VEE/Gnd
VCC
1
2
3
4
VEE
Split Supplies
1.5 V to VCC(max)
1.5 V to VEE(max)
4 MOTOROLA ANALOG IC DEVICE DATA
Page 4
Part Number LM324N
Manufactur Motorola Inc
Description QUAD DIFFERENTIAL INPUT OPERATIONAL AMPLIFIERS
Total Page 8 Pages
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