ST LM124, LM224, LM324 Operation Manual

Low power quad operational amplifiers

Features

■ Wide gain bandwidth: 1.3 MHz

■ Input common-mode voltage range includes

ground

■ Large voltage gain: 100 dB ■ Very low supply current per amplifier: 375 µA

■ Low input bias current: 20 nA

■ Low input offset voltage: 5 mV max.

■ Low input offset current: 2 nA

■ Wide power supply range:

– Single supply: +3 V to +30 V

■ Dual supplies: ±1.5 V to ±15 V

Description

LM124, LM224, LM324

N

DIP14

(Plastic package)

D

SO-14

(Plastic micropackage)

The LM124, LM224 and LM324 consist of four independent, high gain, internally frequencycompensated 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 magnitude of the power supply voltage.

P

TSSOP-14

(Thin shrink small outline package)

Q

QFN16 3x3

(Plastic micropackage)

June 2011 Doc ID 2156 Rev 7 1/19

www.st.com

19

Pin and schematic diagram LM124, LM224, LM324

1 Pin and schematic diagram

Figure 1. Pin connections (top view)

Output 1

Inverting Input 1

Non-inverting Input 1

V

CC

Non-inverting Input 2

Inverting Input 2

Output 2

IN1+

VCC+

IN2+

NC

1

2

-

+

3

+

4

5

+

-

6

-

+

-

7

OUT1

OUT4

OUT1

IN1-

16

1

2

3

4

5

IN2-

OUT4

14

15

14

15

6

7

OUT3

OUT2

14

13

12

11

10

9

8

IN4-

13

12

11

10

9

8

IN3-

Output 4

Inverting Input 4

Non-inverting Input 4

-

V

CC

Non-inverting Input 3

Inverting Input 3

Output 3

IN4+

VCC-

NC

IN3+

Figure 2. Schematic diagram (1/4 LM124)

2/19 Doc ID 2156 Rev 7

LM124, LM224, LM324 Absolute maximum ratings

2 Absolute maximum ratings

Table 1. Absolute maximum ratings

Symbol Parameter LM124 LM224 LM324 Unit

V

T

R

Supply voltage ±16 or 32 V

CC

V

Input voltage

in

Differential input voltage

V

id

Output short-circuit duration

Input current

I

Input current

in

AMR value

Operating free-air temperature range -55 to +125 -40 to +105 0 to +70 °C

oper

Storage temperature range -65 to +150 °C

stg

T

Maximum junction temperature 150 °C

j

Thermal resistance junction to ambient SO14 TSSOP14

thja

DIP14 QFN16 3x3

(1)

(2)

(3)

(4)

: Vin driven negative

(5)

: Vin driven positive above

-0.3 to 32 V

32 V

Infinite

5 mA in DC or 50 mA in AC (duty cycle = 10%, T=1s)

0.4

(6)

103 100

83 45

mA

°C/W

Thermal resistance junction to case SO14

R

thjc

TSSOP14 DIP14 QFN16

HBM: human body model

ESD

CDM: charged device model

1. Either or both input voltages must not exceed the magnitude of V are with respect to ground terminal.

2. Differential voltages are the non-inverting input terminal with respect to the inverting input terminal.

3. Short-circuits from the output to V approximately 40 mA independent of the magnitude of V circuits on all amplifiers.

4. This input current only exists when the voltage at any of the input leads is driven negative. It is due to the collector-base junction of the input PNP transistor becoming forward-biased and thereby acting as input diode clamp. In addition to this diode action, there is NPN parasitic action on the IC chip. This transistor action can cause the output voltages of the opamps to go to the V This is not destructive and normal output is restored for input voltages above -0.3 V.

5. The junction base/substrate of the input PNP transistor polarized in reverse must be protected by a resistor in series with the inputs to limit the input current to 400 µA max (R = (Vin - 32 V)/400 µA).

6. Short-circuits can cause excessive heating. Destructive dissipation can result from simultaneous short-circuits on all amplifiers. These are typical values given for a single layer board (except for TSSOP, a two-layer board).

7. Human body model, 100 pF discharged through a 1.5 kΩ resistor into pin of device.

8. Machine model ESD: a 200 pF capacitor is charged to the specified voltage, then discharged directly into the IC with no external series resistor (internal resistor < 5 Ω), into pin-to-pin of device.

9. Charged device model: all pins plus package are charged together to the specified voltage and then discharged directly to ground.

voltage level (or to ground for a large overdrive) for the time during which an input is driven negative.

CC

(7)

(8)

(9)

+

-

or V

CC

can cause excessive heating if VCC > 15 V. The maximum output current is

CC

. Destructive dissipation can result from simultaneous short-

CC

. All voltage values, except differential voltages

CC

31 32 33 14

250

150

1500

°C/W

VMM: machine model

Doc ID 2156 Rev 7 3/19

Electrical characteristics LM124, LM224, LM324

3 Electrical characteristics

Table 2. V

+

= +5 V, V

CC

-

= ground, Vo = 1.4 V, T

CC

= +25° C (unless otherwise

amb

specified)

Symbol Parameter Min. Typ. Max. Unit

≤ T

(3)

≤ T

max

(2)

max

(1)

≤ 10 kΩ)

s

≤ 10 kΩ)

s

25

230

20 150

5025100

6565110

0.7

1.5

0.8

1.5

0 0

70

80 dB

60

7

7 9

100

300

1.2 3

VCC -1.5

-2

V

CC

V/mV

V

I

io

I

ib

A

vd

SVR

I

CC

V

icm

CMR

I

source

Input offset voltage T

= +25° C

amb

LM124-LM224

io

LM324

T

min

≤ T

amb

≤ T

LM124-LM224 LM324

Input offset current

T

= +25° C

amb

T

≤ T

min

amb

Input bias current

T

= +25° C

amb

T

≤ T

min

amb

Large signal voltage gain

+

= +15 V, RL = 2 kΩ, Vo = 1.4 V to 11.4 V

V

CC

= +25° C

T

amb

T

≤ T

min

amb

Supply voltage rejection ratio (R

+

V

= 5 V to 30 V

CC

= +25° C

T

amb

T

≤ T

min

amb

Supply current, all Amp, no load

= +25° C

T

amb

VCC = +5 V V

= +30 V

CC

≤ T

T

min

amb

≤ T

VCC = +5 V V

= +30 V

CC

Input common mode voltage range

= +30 V

V

CC

T

= +25° C

amb

T

≤ T

min

amb

Common mode rejection ratio (R

T

= +25° C

amb

T

≤ T

min

amb

Output current source (Vid = +1 V)

= +15 V, Vo = +2 V 20 40 70 mA

V

CC

mV

nA

dB

mA

V

4/19 Doc ID 2156 Rev 7

LM124, LM224, LM324 Electrical characteristics

Table 2. V

+

= +5 V, V

CC

-

= ground, Vo = 1.4 V, T

CC

= +25° C (unless otherwise

amb

specified) (continued)

Symbol Parameter Min. Typ. Max. Unit

Output sink current (Vid = -1 V)

I

sink

V

SR

VCC = +15 V, Vo = +2 V V

= +15 V, Vo = +0.2 V

CC

High level output voltage

= +30 V

V

CC

T

= +25° C, RL = 2 kΩ

amb

T

≤ T

amb

max

= +25° C, RL = 10 kΩ

≤ T

amb

max

= +25°C

≤ T

amb

max

OH

min

T

amb

T

min

= +5 V, RL = 2 kΩ

V

CC

T

amb

T

min

Low level output voltage (RL = 10 kΩ)

= +25°C

OL

T T

amb

min

≤ T

amb

≤ T

max

Slew rate

= 15 V, Vi = 0.5 to 3 V, RL = 2 kΩ, CL = 100 pF,

V

CC

unity gain

10 12

26 26 27 27

3.5

20 50

27

28

3

52020mV

0.4 V/µs

mA

µA

V

Gain bandwidth product

GBP

= 30 V, f = 100 kHz, V

V

CC

= 100 pF

C

L

= 10 mV, RL = 2 kΩ,

in

1.3 MHz

Total harmonic distortion

THD

f = 1 kHz, A

= 20 dB, RL = 2 kΩ, Vo = 2 Vpp,

v

0.015 %

CL = 100 pF, VCC = 30 V

Equivalent input noise voltage

e

n

f = 1 kHz, R

DV

DI

V

o1/Vo2

1. Vo = 1.4 V, Rs = 0 Ω, 5 V < V

2. The direction of the input current is out of the IC. This current is essentially constant, independent of the

3. The input common-mode voltage of either input signal voltage should not be allowed to go negative by

4. Due to the proximity of the external components, ensure that stray capacitance between these external

Input offset voltage drift 7 30 µV/°C

io

Input offset current drift 10 200 pA/°C

io

Channel separation 1 kHz ≤ f ≤ 20 kHZ

state of the output so there is no change in the load on the input lines.

more than 0. V. The upper end of the common-mode voltage range is V can go to +32 V without damage.

parts does not cause coupling. Coupling can be detected because this type of capacitance increases at higher frequencies.

= 100 Ω, VCC = 30 V

s

(4)

+

< 30 V, 0 < Vic < V

CC

+

- 1.5 V.

+

- 1.5 V, but either or both inputs

CC

40

120 dB

nV

-----------Hz

Doc ID 2156 Rev 7 5/19

Electrical characteristics LM124, LM224, LM324

Figure 3. Input bias current vs. ambient

Figure 4. Current limiting

temperature

IB (nA)

24

21

18

15

12

9

6

3

0

-55-35-15 5

25

Ambient temperature (°C)

45

6585105 125

90

80

70

60

50

40

30

Input current (mA)

20

10

0

-55

-15

-35

5

Temperature (°C)

25

Figure 5. Input voltage range Figure 6. Supply current

15

10

5

Input voltage (V)

Negative

Positive

4

3

2

1

Supply current (mA)

mA

V

CC

I

D

Tamb = 0°C to +125°C

IO+

45 65 85105

125

Tamb = -55°C

051015

Powe r supply voltage (V)

0

10

20 30

Positive supply voltage (V)

Figure 7. Gain bandwidth product Figure 8. Common mode rejection ratio

GBP (MHz)

1.35

1.30

1.25

1.2

1.15

1.1

1.05

0.95

Gain bandwidth product (MHz)

0.9

1

-55

-15

-35

5

Ambient temperature (°C)

45 65 85105

25

125

120

100

80

60

40

20

Common-mode rejection ratio (dB)

0

100

+7.5 V

100 Ω

e

I

100 kΩ

10k 100k

1k

Frequency (Hz)

100 kΩ

+7.5 V

e

O

1M

6/19 Doc ID 2156 Rev 7