NJM2740
DUAL OPERATIONAL AMPLIFIER
s
GENERAL DESCRIPTION
The
NJM2740
is a dual low supply voltage operational
amplifier with low saturation output voltage.
It can operate with single supply when proper input bias
has given.
It is suitable for audio section of portable sets and PCs.
s
PACKAGR OUTLINE
NJM2740M
NJM2740V
s
FEATURES
q
Operating Voltage
q
Low Saturation
Output Voltage
q
High Slew Rate
q
Bipolar Technology
q
Package Outline
s
PIN CONFIGURATION
(±1.1 to
±3.5V)
(±2.2V typ. at R
L
=2.5kΩ)
(4V/µs typ.)
DMP8,SSOP8
PIN FUNCTION
(Top View)
1.OUTPUT1
2.-INPUT1
3.+INPUT1
4.V
-
5.+INPUT2
6.-INPUT2
7.OUTPUT2
8.V
+
1
2
3
4
-
+
8
7
6
5
+ -
s
EQUIVALENT CIRCUIT
Ver.2003/12/04
-1-
NJM2740
s
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Supply Voltage
V
+
/V
-
Differential Input Voltage
V
ID
Common Mode Input Voltage
V
IC
Power Dissipation
Operating Temperature Range
Storage Temperature Range
P
D
Topr
Tstg
(Ta=25°C)
UNIT
V
V
V
mW
°C
°C
(Ta=25°C)
MAX
UNIT
±3.5
V
RATINGS
±4
±7
±3.5
300 (DMP8)
250 (SSOP8)
-40 to +85
-40 to +125
s
RECOMMENDED OPERATING CONDITION
PARAMETER
SYMBOL
Operating Voltage Range
s
DC CHARACTERISTICS
PARAMETER
Operating Current
Input Offset Voltage
Input Bias Current
Input Offset Current
Open Loop Voltage Gain
Common Mode Rejection
Supply Voltage Rejection
Maximum Output Voltage
Input Common Mode
Voltage Range
s
AC CHARACTERISTICS
PARAMETER
Gain Bandwidth product
V
+
/V
-
TEST CONDITION
MIN
±1.1
TYP
-
SYMBOL
I
CC
V
IO
I
B
I
IO
Av
CMR
SVR
V
OM
V
ICM
TEST CONDITION
No Signal, R
L
=infinite
R
S
≤10kΩ
( V
+
/V
-
=±2.5V, Ta=25°C)
MIN TYP MAX
UNIT
-
-
-
-
60
60
60
±2
-1.4/
+1.5
3.5
1.0
100
5
80
74
80
±2.2
-
5
6.0
300
100
-
-
-
-
-
mA
mV
nA
nA
dB
dB
dB
V
V
R
L
>10kΩ
V
+
/V
-
=±1.2 to 3.5V
R
L
>2.5kΩ
SYMBOL
GB
TEST CONDITION
f=10kHz
( V
+
/V
-
=±2.5V, Ta=25°C)
MIN TYP MAX
UNIT
-
12
-
MHz
s
TRANSIENT CHARACTERISTICS
PARAMETER
SYMBOL
Slew Rate
SR
TEST CONDITION
Av=1,V
IN
=±1V
( V
+
/V
-
=±2.5V, Ta=25°C)
MIN TYP MAX
UNIT
-
4
-
V/µs
-2-
Ver.2003/12/04
NJM2740
s
TYPICAL CHARACTERISTICS
Operating Current vs. Operating Voltage
V
IN
=0V,no load
Operating Current vs. Temperature
VIN=0V,no load
6
Ta=+25°C
5
6
5
V+/V-=±3.5V
Operating Current [mA]
Operating Current[mA]
4
3
Ta=+85°C
2
1
0
0
1
2
3
4
5
6
7
Operating Voltage[V]
Ta=-40°C
4
3
2
V+/V-=±1.1V
1
0
-50
-25
0
25
50
75
100
125
Temperature[°C]
Input Offset Voltage
vs. Operating Voltage
V+/V-=±2.5V
Input Offset Voltage vs. Temperature
R
S
=10kΩ
5
6
R
S
=10kΩ
Input Offset Voltage[mV]
3
2
1
0
-1
-50
V+/V-=±1.1V
V+/V-=±2.5V
Input Offset Voltage[mV]
4
5
4
3
2
1
0
Ta=-40°C
Ta=+25°C
Ta=+85°C
V+/V-=±3.5V
-25
0
25
50
75
100
125
0
1
2
3
4
5
6
7
Temperature [°C]
Operating Voltage[V]
Common Mode Rejection Ratio
vs. Temperature
V+/V-=±2.5V,VIN=±1.5V
Supply Voltage Rejection Ratio
vs. Temperature
120
110
100
90
80
70
60
50
40
-50
-25
0
25
50
75
100
125
Temperature[°C]
V+/V-=±1.1V to ±3.5V
Common Mode Rejection Ratio [dB]
120
110
100
90
80
70
60
50
40
-50
-25
0
25
50
75
100
125
Temperature [°C]
Supply Voltage Rejection Ratio[dB]
Ver.2003/12/04
-3-
NJM2740
Input Offset Voltage
vs. Input Common Mode Voltage
6
V+/V-=±1.1V
Input Offset Voltage
vs. Input Common Mode Voltage
6
V+/V-=±1.2V
Input Offset Voltage[mV]
Input Offset Voltage[mV]
5
4
3
2
1
Ta=+25°C
0
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
Ta=+85°C
Ta=-40°C
5
4
3
Ta=-40°C
2
Ta=+85°C
1
Ta=+25°C
0
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
Input Common Mode Voltage[V]
Input Common Mode Voltage[V]
Input Offset Voltage
vs. Input Common Mode Voltage
V+/V-=±2.5V
6
Input Offset Voltage [mV]
5
4
Ta=+25°C
3
Ta=-40°C
2
1
0
-2
Ta=+85°C
-1.5
-1
-0.5
0
0.5
1
1.5
2
Input Common Mode Voltage [V]
Input Bias Current vs. Temperature
0
-20
V+/V-=±1.1V
Input Offset Current vs. Temperature
40
V+/V-=±2.5V
30
Input Offset Current[nA]
Input Bias Current[nA]
-40
-60
-80
-100
-120
-140
-160
-180
-200
-50
-25
0
25
50
75
100
125
Temperature[°C]
V+/V-=±3.5V
V+/V-=±2.5V
20
10
0
-10
-20
-30
-40
-50
-25
0
V+/V-=±3.5V
V+/V-=±1.1V
25
50
75
100
125
Temperature[°C]
-4-
Ver.2003/12/04
NJM2740
Maximum Output Voltage
vs. Load Resistans
V+/V-=2.5V, open loop
Maximum Output Voltage
vs. Temperture
V+/V-=±2.5V,RL=2.5kΩ
3.0
3
Maximum Output Voltage[V]
Maximum Output Voltage [V]
2.0
1.0
0.0
-1.0
-2.0
-3.0
Ta=-40°C
Ta=+25°C
Ta=+85°C
+VOM
2
1
0
-1
-2
-3
+VOM
-VOM
-VOM
100
1000
10000
100000
-50
-25
0
25
50
75
100
125
Load Resistance [Ω]
Maximum Output Voltage
vs. Operating Voltage
RL=2.5kΩ
Temperature [°C]
Maximum Output Voltage Swing
vs. Frequency
V+/V-=±2.5V ,RL=2.5kΩ,Ta=25°C
Maximum Output Voltage[V]
2.5
1.5
0.5
-0.5
-1.5
-2.5
-3.5
1
Ta=+85°C
Maximum Output Voltage Swing [V]
5
6
7
3.5
5
4
3
2
1
0
1.E+03
Ta=-40°C
Ta=+25°C
2
3
4
Operating Voltage[V]
Open Loop Voltage Gain
vs. Temperature
V+/V-=±2.5V,RL=10kΩ
1.E+04
1.E+05
1.E+06
1.E+07
Frequency [Hz]
120
Open Loop Voltage Gain[dB]
110
100
90
80
70
60
-50
-25
0
25
50
75
100
125
Temperature [°C]
Ver.2003/12/04
-5-
模拟电子
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
