LM124 STMicroelectronics, LM124 Datasheet - Page 5

• Manufacturer Part Number: LM124
• Description: Low power, low input bias current
• Manufacturer: STMicroelectronics

Specifications of LM124

• Wide Gain Bandwidth: 1.3 MHz
• 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
• Single Supply: +3 V to +30 V
• Dual Supplies: ±1.5 V to ±15 V

LM124, LM224, LM324
Table 2.
1. 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
Symbol
V
GBP
THD
o1
DV
V
I
V
DI
SR
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.
sink
e
OH
OL
/V
o
n
io
io
= 1.4 V, R
o2
Output sink current (V
High level output voltage
V
V
Low level output voltage (R
Slew rate
V
unity gain
Gain bandwidth product
V
C
Total harmonic distortion
f = 1 kHz, A
C
Equivalent input noise voltage
f = 1 kHz, R
Input offset voltage drift
Input offset current drift
Channel separation
1 kHz ≤ f ≤ 20 kHZ
CC
CC
CC
CC
L
L
V
V
T
T
T
T
T
T
T
T
= 100 pF
= 100 pF, V
V
specified) (continued)
amb
amb
amb
amb
min
min
min
min
CC
CC
s
= 30 V, f = 100 kHz, V
= +30 V
= +5 V, R
= 15 V, V
CC
= 0 Ω, 5 V < V
= +15 V, V
= +15 V, V
≤ T
≤ T
≤ T
≤ T
= +25° C, R
= +25° C, R
= +25°C
= +25°C
+
= +5 V, V
amb
amb
amb
amb
v
s
= 20 dB, R
= 100 Ω, V
i
L
≤ T
≤ T
= 0.5 to 3 V, R
≤ T
≤ T
CC
= 2 kΩ
o
o
max
max
max
max
= 30 V
CC
= +2 V
= +0.2 V
L
L
CC
(4)
+
= 2 kΩ
= 10 kΩ
id
Parameter
< 30 V, 0 < V
-
Doc ID 2156 Rev 7
= ground, V
= -1 V)
L
CC
= 2 kΩ, V
in
L
= 30 V
= 10 mV, R
= 10 kΩ)
L
= 2 kΩ , C
ic
o
< V
= 2 V
o
CC
= 1.4 V, T
L
L
= 2 kΩ ,
+
= 100 pF,
pp
- 1.5 V.
,
amb
= +25° C (unless otherwise
CC
+
Min.
3.5
10
12
26
26
27
27
- 1.5 V, but either or both inputs
3
Electrical characteristics
0.015
Typ.
120
0.4
1.3
20
50
27
28
40
10
5
7
Max.
200
20
20
30
µV/°C
pA/°C
MHz
Unit
V/µs
----------- -
mA
mV
µA
dB
nV
%
V
Hz
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