1
Standard ICs
Quad operational amplifier
BA14741 / BA14741F
The BA14741 and BA14741F are monolithic ICs with four operational amplifiers featuring internal phase compensation mounted on a single silicon chip. Either a dual or single power supply can be driven.
•
Applications
Active filters
Audio amplifiers
VCOs
Other electronic circuits
•
Features
1) Built-in phase compensation circuit.
2) Wide range of operating power supply voltages.
( ± 2 to ± 18V)
3) Can be connected to other standard quad opera-
tional amplifiers.
4) High gain and low noise.
5) Compatible with model 741 operation amplifiers of
other manufacturers.
•
Block diagram
1ch 4ch
2ch 3ch
1OUT1
–IN1
+ IN1
V
CC
+ IN2
–IN2
OUT2
OUT4
–IN4
+ IN4
V
EE
+ IN3
–IN3
OUT3
14
213
312
411
510
69
78
+
–
+
–
+
–
+
–
BA14741 / BA14741F
2
Standard ICs BA14741 / BA14741F
•
Internal circuit configuration
– IN
+ IN
OUT
VEE
[SUB]
V
CC
•
Absolute maximum ratings (Ta = 25°C)
Parameter Symbol
Limits
Unit
BA14741 BA14741F
Power supply voltage
Power dissipation
Differential input voltage
Common-mode input voltage
Operating temperature
Storage temperature
V
CC V
950
∗
450
∗
mW
V
ID ± VCC V
V
I V
°C
°C
–40
~ + 85
– 55
~
+ 125
–40 ~ + 85
–55
~
+ 125
36 ( ± 18) 36 ( ± 18)
Topr
Tstg
Pd
–V
CC ~ VCC
± VCC
–VCC ~ VCC
∗
Refer to Pd characteristics diagram.
The values for the BA14741F are those when it is mounted on a glass epoxy board (50mm × 50mm × 1.6mm)
.
•
Electrical characteristics (unless otherwise noted, Ta = 25°C, VCC = + 15V, VEE = - 15V)
Parameter Symbol Min. Typ. Max. Unit
Input offset voltage
Input offset current
Input bias current
High-amplitude voltage gain
Common-mode input voltage
Maximum output voltage
Common-mode rejection ratio
Power supply voltage rejection ratio
Quiescent current
Channel separation
Maximum
output current
Slew rate
Maximum frequency
Input conversion noise voltage
V
IO
—1 5mVR
S
⬉ 10kΩ
I
IO
—1050nA —
I
B
— 60 300 nA —
A
V
86 100 — dB
V
ICM
± 12 ± 13.5 — V —
V
OM
± 10 ± 12.5 — V RL = 2kΩ
CMRR 80 100 — dB —
PSRR 80 100 — dB —
I
Q
— 3.0 7.0 mA
CS — 100 — dB f = 1kHz input conversion
source I
source
10 20 — mA VO = 0
sink I
sink
510—mAV
O
= 0
S. R. — 1 — V / µs
f
T
— 2 — MHz —
V
n
— 2 4.0 µV
rms
Conditions
R
L
= 2kΩ, VO = ± 10V
R
L
= ∞, on AII Op - Amps
A
V
= 1, RL = 2kΩ
RIAA, R
S
= 2.2kΩ, 10Hz ~ 30kHz
3
Standard ICs BA14741 / BA14741F
•
Electrical characteristic curves
1200
1000
800
600
400
200
0
0 25 50 7585 100 125 150
AMBIENT TEMPERATURE: Ta (°C)
POWER DISSIPATION: Pd (mW)
Fig.1 Power dissipation vs. ambient
temperature
BA14741
BA14741F
4
3
2
1
0
± 10
± 20
QUIESCENT CURRENT: IQ (mA)
POWER SUPPLY VOLTAGE: V ± (V)
Fig.2 Quiescent current vs. power
supply voltage
1M 10M
120
100
80
60
40
20
0
1 10 100 1k 10k 100k
FREQUENCY: f (Hz)
OPEN LOOP GAIN: AV (dB)
Fig.3 Open loop voltage gain vs.
frequency
32
28
24
20
16
12
8
4
0
100 1k 10k 100k 1M
FREQUENCY: f (Hz)
MAXIMUM OUTPUT VOLTAGE: VOM (V)
Fig.4 Maximum output voltage vs.
frequency
80
60
40
20
– 20 0 20 40 60 80
AMBIENT TEMPERATURE: Ta (°C)
INPUT BIAS CURRENT: IR (nA)
Fig.5 Input bias current vs. ambient
temperature
100
50
0
010203040
INPUT BIAS CURRENT: IB (nA)
POWER SUPPLY VOLTAGE: V + (V)
Fig.6 Input bias current vs. power
supply voltage
5
0
–5
–5
0
5
0 10203040
TIME (µs)
INPUT VOLTAGE OUTPUT VOLTAGE
V
IN (V) VOUT (V)
Fig.7 Output response characteristics
20
10
0
–10
–20
± 10 ± 20
INPUT COMMON MODE VOLTAGE RANGE: ICM (V)
POWER SUPPLY VOLTAGE: V ± (V)
0
Fig.8 Common mode input voltage vs.
power supply voltage
4
Standard ICs BA14741 / BA14741F
–
+
V
CC
VEE
Fig.9 Unused circuit connections
To potential
in V
ICM
•
External dimensions (Units: mm)
DIP14 SOP14
BA14741FBA14741
0.4 ± 0.11.27
1
14
8.7 ± 0.2
7
8
4.4 ± 0.2
6.2 ± 0.3
0.11
1.5 ± 0.1
0.15
0.15 ± 0.1
0.3Min.
6.5 ± 0.3
19.4 ± 0.3
0.5 ± 0.1
3.2 ± 0.2
4.25 ± 0.3
14 8
71
0.3 ± 0.1
0.51Min.
7.62
0° ~ 15°
2.54
•
Operation notes
(1) Handling unused circuits
If there are any circuits which are not being used, we
recommend making connections as shown in Figure 9,
with the non-inverted input pin connected to the potential within the in-phase input voltage range (V
ICM).
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