NJM2745
QUAD OPERATIONAL AMPLIFIER
■
GENERAL DESCRIPTION
NJM2745 is the quad operational amplifier for the audio use.
Designed low noise, high gain-bandwidth, and low distortion,
the NJM2745 is suitable for audio applications and active filters.
■
PACKAGE OUTLINE
NJM2745D
NJM2745M
■
FEATURES
NJM2745E
●
Operating Voltage
( ±2V to ±7V )
(U.D.)
●
Low Input Noise Voltage
( 5nV/
√Hz@1kHz
typ. )
●
Wide Gain Bandwidth Product ( 15MHz typ. )
●
Low Distortion
( 0.005% typ. @
A
V
=20dB,V
O
=1Vrms,R
L
=2kΩ,f=1kHz
)
●
Slew Rate
( 5V/µs typ. )
●
Package Outline
DIP14,EMP14,SSOP14,DMP14
●
Bipolar Technology
■
PIN CONFIGURATION
1
2
3
4
5
6
7
14
13
12
11
10
9
8
NJM2745V
PIN ASIGNMENT
1.
A OUTPUT
2. A -INPUT
3. A +INPUT
+
4. V
5. B +INPUT
6. B -INPUT
7. B OUTPUT
8. C OUTPUT
9. C -INPUT
10.C
+INPUT
-
11.V
12.D
+INPUT
13.D
-INPUT
14.D
OUTPUT
■
EQUIVALENT CIRCUIT
( 1/4 Shown )
Ver.2004-11-26
-1-
NJM2745
■
ABSOLUTE MAXIMUM RATINGS
( Ta=25ûC )
PARAMETER
Supply Voltage
Commom mode Input Voltage
Differential Input Voltage
Power Dissipation
SYMBOL
+ -
V /V
V
IC
V
ID
P
D
I
O
T
opr
T
stg
RATINGS
± 7.5
± 7.5 ( note 1)
± 15 ( note 1)
870(DIP14)
930(EMP14) ( note 2)
700(DMP14) ( note 2)
570(SSOP14) ( note 2)
± 50
-40~+85
-40~+125
UNIT
V
V
V
mW
Output Current
Operating Temperature Range
Storage Temperature Range
mA
ûC
ûC
(note 1)For supply voltages less than ±7.5 V, the absolute maximum input voltage is equal to the supply voltage.
(note 2)Mounted on the EIA/JEDEC standard board (76.2
×
114.3
×
1.6mm, two layer FR-4).
■
RECOMMENDED OPERATING CONDITION
PARAMETER
Supply Voltage
SYMBOL
+ -
V /V
MIN.
±2
TYP.
-
MAX.
±7
(Ta=25°C)
UNIT
V
■
DC CHARACTERISTICS
PARAMETER
Operating Current
Input Offset Voltage
Input Bias Current
Input Offset Current
Large Signal Voltage Gain
Common Mode Rejection Ratio
Supply Voltage Rejection Ratio
Output Voltage Swing
Input Common Mode Voltage Range
SYMBOL
I
CC
V
IO
I
B
I
IO
A
V
CMR
SVR
V
OM
V
ICM
TEST CONDITION
R
S
≤
10kΩ
MIN.
-
-
-
-
90
70
80
±2.5
-2.5
( Ta=25ûC,V
+
/V
-
=±4.5V )
TYP.
12
0.3
100
5
110
110
110
±3
-
MAX.
18
3
500
200
-
-
-
-
+2.5
UNIT
mA
mV
nA
nA
dB
dB
dB
V
V
R
L
≥2kΩ,V
O
=±1.5V
R
S
≤
10kΩ,-2.5V
≤
V
I C
≤
+2.5V
+ -
R
S
≤
10kΩ,
V /V =±2V to ±7V
R
L
≥2kΩ
CMR≥70dB
■
AC CHARACTERISTICS
PARAMETER
Gain Bandwidth Product
Total Harmonic Distortion
Input Noise Voltage
SYMBOL
GB
THD
V
NI
TEST CONDITION
f=10kHz
A
V
=20dB,V
O
=1Vrms,R
L
=2kΩ,f=1kHz
R
S
=0Ω
MIN.
-
-
-
( Ta=25ûC,V
+
/V
-
=±4.5V )
TYP.
15
0.005
5
MAX.
-
-
-
UNIT
MHz
%
nV/
√
Hz
■
TRANSIENT CHARACTERISTICS
PARAMETER
Slew Rate
SYMBOL
SR
TEST CONDITION
R
L
≥2kΩ
MIN.
-
( Ta=25ûC,V
+
/V
-
=±4.5V )
TYP.
5
MAX.
-
UNIT
V/µs
-2-
Ver.2004-11-26
NJM2745
■
TYIPICAL CHARACTERISTICS
Operating Current vs. Operating Voltage
No signal, Ta=25 C
o
Operating Current vs. Ambient Temperature
Vin=0V
12
10
14
12
Operating Current [mA]
Operating Current [mA]
V /V =±7.0V
+
-
8
6
4
2
0
0
2
4
6
Operating Voltage [±V]
8
10
10
8
V /V =±4.5V
+
-
6
V /V =±2.0V
+
-
4
2
0
-50
-25
0
25
50
75
100
o
125
150
Ambient Temperature [ C]
Input Offset Voltage
vs. Common Mode Input Voltage Range
8
V /V =±4.5V,R
S
=10kΩ,Ta=25 C
+
-
o
Input Offset Voltage
vs. Ambient Temperature
3
2
1
0
-1
-2
-3
-50
-25
0
25
50
75
100
o
V /V =±4.5V,R
S
=10kΩ
+
-
Input Offset Voltage [mV]
Input Offset Voltage [mV]
125
150
6
4
2
0
-2
-4
Ambient Temperature [ C]
Input Bias Current vs. Ambient Temperature
V /V =±4.5V
+
-
-3
-2
-1
0
1
2
3
Common Mode Input Voltage Range [V]
Input Offset Current
vs. Ambient Temperature
4
200
50
40
V /V =±4.5V
+
-
150
Input Offset Current [nA]
-50
-25
0
25
50
75
100
o
Input Bias Current [nA]
30
20
10
0
100
50
0
125
150
Ambient Temperature [ C]
-10
-50
-25
0
25
50
75
100
o
125
150
Ambient Temperature [ C]
Ver.2004-11-26
-3-
NJM2745
■
TYIPICAL CHARACTERISTICS
Maximum Output Voltage
vs. Operating Voltage
10
8
R
L
=2kΩ,Ta=25 C
o
Maximum Output Voltage
vs. Load Resistance
4.5
3.0
1.5
0.0
V /V =±4.5V,V
IN
=±1V,Ta=25 C
+
-
o
Maximum Output Voltage [V]
Maximum Output Voltage [V]
6
4
2
0
-2
-4
-6
-8
+VOM
+VOM
-1.5
-3.0
-4.5
-VOM
-VOM
-10
0
2
4
6
Operating Voltage [±V]
8
10
100
100
1K
10K
100K
1000
10000
100000
Load Resistance [Ω]
Maximum Output Voltage
vs. Ambient Temperature
1M
1000000
Maximum Output Voltage vs. Output Current
V
+
/V
-
=±4.5V,V
IN
=±1V,Ta=25
o
C
4.5
3.0
1.5
0.0
-1.5
-3.0
-4.5
1
5
10
10
Output Current [mA]
Common Mode Rejection Ratio
vs. Ambient Temperature
100
V /V =±4.5V,V
ICM
=±2.5V,R
S
=10kΩ
+
-
4.5
V /V =±4.5V,V
IN
=±1V,R
L
=2kΩ
+
-
Maximum Output Voltage [V]
Maximum Output Voltage [V]
+ VOM
3
1.5
0
-1.5
+VOM
-VOM
-VOM
-3
-4.5
50
100
100
-50
-25
0
25
50
75
100
Ambient Temrerature [
o
C]
125
150
Supply Voltage Rejection Ratio
vs. Ambient Temperature
110
V /V =±2.0 to ±7.0V,R
S
=10kΩ
+
-
Common Mode Rejection Ratio [dB]
90
80
70
60
50
40
30
20
10
0
-50
-25
0
25
50
75
100
Ambient Temperature [
o
C]
125
150
Supply Voltage Rejection Ratio [dB]
100
90
80
70
60
50
40
30
20
10
0
-50
-25
0
25
50
75
100
o
125
150
Ambient Temperature [ C]
-4-
Ver.2004-11-26
NJM2745
■
TYIPICAL CHARACTERISTICS
Voltage Gain vs. Ambient Temperature
V /V =±4.5V, V
OUT
=±1.5V,R
L
=2kΩ
+
-
+
Equivarent Input Noise Voltage
vs. Frequency
V /V =±4.5V,G
V
=60dB,R
S
=50Ω,R
L
=10kΩ,Ta=25 C
-
o
120
100
Equivarent Input Noise Voltage [nV/
√
Hz]
50
40
Voltage Gain [dB]
80
60
40
20
0
-50
-25
0
25
50
75
100
Ambient Temperature [
o
C]
125
150
30
20
10
0
1
10
100
1000
1K
Frequency [Hz]
10000
10K
THD+N vs. Output Voltage
V
+
/V
-
=±4.5V,G
V
=20dB,R
L
=2kΩ,Ta=25
o
C
Voltage Gain/Phase vs. Frequency
(Correlation with Capacitive load)
0.1
0.05
20kHz：BW=400Hz
：
to 80kHz
50
Gain
V /V =±4.5V,G
V
=40dB,R
L
=2kΩ,Ta=25 C
+
-
o
225
180
135
40
30
Voltage Gain [dB]
THD+N [%]
0.01
0.005
1kHz：
BW=400Hz to 30kHz
：
20
10
0
Phase
CL=0pF
CL=10pF
CL=100pF
90
45
0
-45
-90
Phase [Deg]
0.001
0.0005
20Hz：BW=10Hz to 30kHz
：
-10
-20
-30
-135
-180
10000 100000 1E+06 1E+07
10k
100k
1M
10M
Frequency [Hz]
0.0001
0.01
-40
0.1
1
Output Voltage [Vrms]
10
100
1000
1k
Voltage Gain/Phase vs. Frequency
(Correlation with Ta)
50
40
Gain
V /V =±4.5V,G
V
=40dB,R
L
=2kΩ,C
L
=10pF
Ta=-40 C
Ta=25 C
o
o
+
-
225
180
135
Voltage Gain [dB]
30
20
10
Phase
Ta=85 C
Ta=-40 C
Ta=25 C
o
o
o
90
45
0
Phase [Deg]
0
-10
-20
-30
-40
100
1k
1000
Ta=85 C
o
-45
-90
-135
-180
10k 100000 100000 1E+07
100k
1M
10M
10000
Frequency [Hz]
0
Ver.2004-11-26
-5-
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