NJM2732
-
1
-
Ver.2011-12-12
Rail-to-Rail Input/Output Dual Operational Amplifier
■ GENERAL DESCRIPTION ■ PACKAGE OUTLINE
The NJM2732 is a Rail-to-Rail Input/Output dual operational
amplifier featuring Low power, low noise and operation from 1.8V.
Rail-to-Rail Input/Output provides wide dynamic range, is from
ground to power supply level. In addition to ground sensing
applications, NJM2732 enable to be applied to Hi-side sensing
applications.
The features are low noise and low operating voltage for battery
management, portable audio applications, and others.
■ FEATURES
●Operating Voltage 1.8 to 6.0V
●Rail-to-Rail Input VICM= 0 to 5.0V, at V+=5V
●Rail-to-Rail Output VOH≥4.9V/ VOL≤0.1V, at V+=5V, RL=20kΩ
●Load Drivability VOH≥4.75V/ VOL≤0.25V, at V+=5V, RL=2kΩ
●Offset Voltage 5mV max.
●Slew Rate 0.4V/μs typ.
●Low Input Voltage Noise 10nV/√Hz typ. at f=1kHz
●Adequate phase margin ΦM=75deg. typ., at RL=2kΩ, voltage follower
●Bipolar Technology
●Package Outline DIP8, DMP8, SSOP8, TVSP8
SOP8 JEDEC 150mil
■ PIN CONFIGURATION
(Top View)
1
2
3
54
7
6
8
PIN FUNCTION
1. A OUTPUT
2. A - INPUT
3. A +INPUT
4. GND
5. B +INPUT
6. B - INPUT
7. B OUTPUT
8. V+
NJM2732D
NJM2732M
NJM2732E
NJM2732V
NJM2732RB1
NJM2732D
(
DIP8
)
NJM2732M
(
DMP8
)
NJM2732E
( SOP8 )
NJM2732V
( SSOP8 )
NJM2732RB1
( TVSP8 )
NJM2732
-
2
-Ver.2011-12-12
■ ABSOLUTE MAXIMUM RATINGS
(Ta=25˚C)
PARAMETER SYMBOL RATINGS UNIT
Supply Voltage V+ 7.0 V
Differential Input Voltage Range VID ±1.0 V
Common Mode Input Voltage Range VIC 0 ~ 7.0 (Note1) V
Power Dissipation PD
(DIP8) 500
(DMP8) 300
(SOP8) 320
(SSOP8) 250
(TVSP8) 320
mW
Operating Temperature Range Topr -40~+85 ˚C
Storage Temperature Range Tstg -40~+125 ˚C
(Note1) For supply voltage less than 7V, the absolute maximum input voltage is equal to the supply voltage.
■ RECOMMENDED OPERATING CONDITION
(Ta=25˚C)
PARAMETER SYMBOL RATING UNIT
Supply Voltage V+ 1.8 to 6.0 V
■ ELECTRICAL CHARACTERISTICS (V+=5V, Ta= 2 5˚C)
●DC CHARACTERISTICS (V+=5V, Ta= 25˚C)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Operating Current ICC No signal applied - 580 900 μA
Input Offset Voltage VIO - 1 5 mV
Input Bias Current IB - 50 250 nA
Input Offset Current IIO - 5 100 nA
Large Signal Voltage Gain AV R
L=2kΩ 60 85 - dB
Common Mode Rejection Ratio CMR CMR+: 2.5V≤VCM≤5V
CMR-: 0V≤VCM≤2.5V (Note2)
55 70 dB
Supply Voltage Rejection Ratio SVR V+/V-=±2.0V ~ ±3.0V 70 85 - dB
VOH1 R
L=20kΩ 4.9 4.95 - V Maximum Output Voltage 1
VOL1 R
L=20kΩ - 0.05 0.1 V
VOH2 R
L=2kΩ 4.75 4.85 - V Maximum Output Voltage 2
VOL2 R
L=2kΩ - 0.15 0.25 V
Input Common Mode Voltage Range VICM CMR≥55dB 0 - 5 V
(Note2) CMR is represented by either CMR+ or CMR- has lower value.
CMR+ is measured with 2.5V≤VCM≤5.0 and CMR- is measured with 0V≤VCM≤2.5V.
●AC CHARACTERISTICS (V+=5V, Ta=2 5˚C)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Unity Gain Bandwidth GB RL=2kΩ - 1 - MHz
Phase Margin ΦM R
L=2kΩ - 75 - Deg
Equivalent Input Noise Voltage VNI f=1kHz - 10 - nV/√Hz
●TRANSIENT CHARACTERISTICS (V+=5V, Ta=2 5˚C)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Slew Rate SR RL=2kΩ - 0.4 - V/μs
NJM2732
-
3
-
Ver.2011-12-12
■ ELECTRICAL CHARACTERISTICS (V+=3V, Ta= 2 5˚C)
●DC CHARACTERISTICS (V+=3V, Ta= 25˚C)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Operating Current ICC No signal applied - 510 880 μA
Input Offset Voltage VIO - 1 5 mV
Input Bias Current IB - 50 250 nA
Input Offset Current IIO - 5 100 nA
Large Signal Voltage Gain AV R
L=2kΩ 60 84 - dB
Common Mode Rejection Ratio CMR CMR+: 1.5V≤VCM≤3V
CMR-: 0V≤VCM≤1.5V (Note3)
48 63 dB
Supply Voltage Rejection Ratio SVR V+/V-=±1.2V ~ ±2.0V 68 83 - dB
VOH1 R
L=20kΩ 2.9 2.95 - V Maximum Output Voltage 1
VOL1 R
L=20kΩ - 0.05 0.1 V
VOH2 R
L=2kΩ 2.75 2.85 - V Maximum Output Voltage 2
VOL2 R
L=2kΩ - 0.15 0.25 V
Input Common Mode Voltage Range VICM CMR≥48dB 0 - 3 V
(Note3) CMR is represented by either CMR+ or CMR-has lower value.
CMR+ is measured with 1.5V≤VCM≤3.0 and CMR- is measured with 0V≤VCM≤1.5V.
●AC CHARACTERISTICS (V+=3V, Ta=2 5˚C)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Unity Gain Bandwidth GB RL=2kΩ - 1 - MHz
Phase Margin ΦM R
L=2kΩ - 75 - Deg
Equivalent Input Noise Voltage VNI f=1kHz - 10 - nV/√Hz
●TRANSIENT CHARACTERISTICS (V+=3V, Ta=2 5˚C)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Slew Rate SR RL=2kΩ - 0.35 - V/μs
■ ELECTRICAL CHARACTERISTICS (V+=1.8V, Ta=25˚C)
●DC CHARACTERISTICS (V+=1.8V, Ta=25˚C)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Operating Current ICC No signal applied - 460 800 μA
Input Offset Voltage VIO - 1 5 mV
Input Bias Current IB - 50 250 nA
Input Offset Current IIO - 5 100 nA
Large Signal Voltage Gain AV R
L=2kΩ 60 83 - dB
Common Mode Rejection Ratio CMR CMR+: 0. 9V≤VCM≤1.8V
CMR-: 0V≤VCM≤0.9V (Note4)
48 55 dB
Supply Voltage Rejection Ratio SVR V+/V-=±1.2V ~ ±2.0V 65 80 - dB
VOH1 R
L=20kΩ 1.7 1.75 - V Maximum Output Voltage 1
VOL1 R
L=20kΩ - 0.05 0.1 V
VOH2 R
L=2kΩ 1.55 1.65 - V Maximum Output Voltage 2
VOL2 R
L=2kΩ - 0.15 0.25 V
Input Common Mode Voltage Range VICM CMR≥40dB 0 - 1.8 V
(Note4) CMR is represented by either CMR+ or CMR-has lower value.
CMR+ is measured with 0.9V≤VCM≤1.8 and CMR- is measured with 0V≤VCM≤0.9V.
●AC CHARACTERISTICS (V+=1.8V, Ta = 25˚C)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Unity Gain Bandwidth GB RL=2kΩ - 1 - MHz
Phase Margin ΦM R
L=2kΩ - 75 - Deg
Equivalent Input Noise Voltage VNI f=1kHz - 10 - nV/√Hz
●TRANSIENT CHARACTERISTICS (V+=1.8V, Ta =25˚C)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Slew Rate SR RL=2kΩ - 0.3 - V/μs
NJM2732
-
4
-Ver.2011-12-12
■ TYPICAL CHARACTERISTICS
Operating Current vs Operating Voltage
0
100
200
300
400
500
600
700
800
900
01234567
Operating Voltage [V]
Operating Current [µA]
GV=0dB, Ta=25°C
Operating Current
vs. Ambient Temperature
0
100
200
300
400
500
600
700
800
900
-50 -25 0 25 50 75 100 125
Ambient Temperature [°C]
Operating Current [µA]
GV=0dB
V+=3V
V+=5V
V+=1.8V
Input Offset Voltage
vs. Ambient Temperature
-3
-2
-1
0
1
2
3
-50 -25 0 25 50 75 100 125
Ambient Temperature [°C]
Input Offset Voltage [mV]
G
V
=0dB
V
+
=5V
V
+
=3V
V
+
=1.8V
Input Bias Current
vs. Ambient Temperature
0
20
40
60
80
100
-50 -25 0 25 50 75 100 125
Ambient Temperature [°C]
Input Bias Current [nA]
V
+
=1.8V
V
+
=5V
V
+
=3V
G
V
=0dB
Input Offset Current
vs. Ambient Temperature
-20
-15
-10
-5
0
5
10
15
20
-50 -25 0 25 50 75 100 125
Ambient Temperature [°C]
Input Offset Current [nA]
V
+
=5V
V
+
=3V
V
+
=1.8V
G
V
=0dB
Operating Current vs. Operating Voltage
(correlation with Ta)
0
100
200
300
400
500
600
700
800
900
01234567
Operating Voltage [V]
Operating Current [µA]
Ta=25°C
Ta=85°C
Ta=-40°C
G
V
=0dB, Ta=25°C
NJM2732
-
5
-
Ver.2011-12-12
■ TYPICAL CHARACTERISTICS
Maximum Output Voltage
vs. Operating Voltage
-4
-3
-2
-1
0
1
2
3
4
0 0.5 1 1.5 2 2.5 3 3.5 4
Operating Voltage (V+/V-) [V]
Maximum Output Voltage [V]
G
V
=OPEN, R
L
=2kΩ to 0V, Ta=25°C
+V
OM
-V
OM
Supply Voltage Rejection Ratio
vs. Ambient Temperature
50
60
70
80
90
100
-50 -25 0 25 50 75 100 125
Ambient Temperature [°C]
Supply Voltage Rejection Ratio [dB]
V
+
/V
-
=±3V to ±2V
V
+
/V
-
=±1.2V to ±0.9V
V
+
/V
-
=±2.0V to ±1.2V
V
+
=5 to 1.8
Maximum Output Voltage
vs. Load Resistance
(correlation with Ta)
-2.5
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
2.5
10 100 1000 10000 100000
Load Resistance [Ω]
Maximum Output Voltage [V]
V
+
/V
-
=±2.5V, G
V
=OPEN
Ta=-40°C
Ta=+25°C
Ta=+85°C
10 100 1k 10k 100k
Maximum Output Voltage
vs. Ambient Temperature
-3.5
-2.5
-1.5
-0.5
0.5
1.5
2.5
3.5
-50 -25 0 25 50 75 100 125
Ambient Temperature [℃]
Output Maximum Voltage [V]
V
+
/V
-
=±2.5V, G
V
=OPEN
RL=2kΩ
RL=20kΩ
RL=2kΩ
RL=20kΩ
Output Voltage vs. Output Current
(correlation with Ta)
-3.0
-2.0
-1.0
0.0
1.0
2.0
3.0
0.1 1 10 100
Output Current [mA]
Maximum Output Voltage [V]
V
+
/V
-
=±2.5V, G
V
=OPEN
Ta=+85°C
Ta=+25°C
Ta=-40°C
I
SINK
I
SOURCE
Ta=-40°C
Ta=+25°C
Ta=+85°C
Common Mode Rejection Ratio
vs. Ambient Temperature
40
50
60
70
80
90
-50 -25 0 25 50 75 100 125
Ambient Temperature [°C]
Common Mode Rejection Ratio [dB]
V
+
/V
-
=±2.5V
V
+
/V
-
=±1.5V
V
+
/V
-
=±0.9V
V
CM
=V
+
,0V,V
-
NJM2732
-
6
-Ver.2011-12-12
■ TYPICAL CHARACTERISTICS
Voltage Gain/Phase vs. Frequency
(with Capacitive load)
-60
-40
-20
0
20
40
60
1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 1.E+08
Frequency [Hz]
Voltage Gain [dB]
-180
-120
-60
0
60
120
180
Phase [deg]
Phase
Gain
CL=0pF
CL=220pF
CL=470pF
V
+
/V
-
=±2.5V, G
V
=40dB, R
F
=2kΩ,
R
G
=20Ω, R
L
=2kΩ, Ta=+25°C
1k 10k 100k 1M 10M 100M
Voltage Gain/Phase vs. Frequency
(correlation with Ta)
-60
-40
-20
0
20
40
60
1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 1.E+08
Frequency Hz]
Voltage Gain [dB]
-180
-120
-60
0
60
120
180
Phase [deg]
Phase
V
+
/V
-
=±2.5V, G
V
=40dB
R
F
=2kΩ, R
G
=20Ω, R
L
=2kΩ, C
L
=0pF
Gain
1k 10k 100k 1M 10M 100M
Ta=-40°C
Ta=+25°C
Ta=+85°C
Phase Margin vs. Load Capacitance
(with Capacitance Load)
0
10
20
30
40
50
60
70
80
90
10 100 1000
Load Capacitance [pF]
Phase Margin [deg]
V
+
/V
-
=±1.5V, G
V
=40dB, R
F
=2kΩ
R
G
=20Ω, R
L
=2kΩ, Ta=+25°C
Voltage Gain vs. Frequency
(correlation with Ta)
-10
-8
-6
-4
-2
0
2
4
6
8
10
10 100 1000 10000
Frequency [Hz]
Voltage Gain [dB]
V
+
/V
-
=±2.5V, G
V
=0dB, C
L
=100pF
R
S
=50Ω, R
L
=2kΩ
Ta=25°C
Ta=-40°C
Ta=85°C
10k 100k 1M 10M
Voltage Gain vs. Frequency
(with Capacitance Load)
-10
-8
-6
-4
-2
0
2
4
6
8
10
10 100 1000 10000
Frequency [Hz]
Voltage Gain [dB]
V
+
/V
-
=±2.5V, G
V
=0dB
R
S
=50Ω, R
L
=2kΩ, Ta=+25°C
CL=0pF
CL=100pF
CL=220pF
CL=1000F
CL=470pF
CL=2200pF
10k 100k 1M 10M
Voltage Gain vs. Frequency
(correlation with Ta)
-10
-8
-6
-4
-2
0
2
4
6
8
10
10 100 1000 10000
Frequency [Hz]
Voltage Gain [dB]
Ta=25°C
Ta=-40°C
Ta=85°C
V
+
/V
-
=±2.5V, G
V
=0dB, C
L
=1000pF
R
S
=50Ω, R
L
=2kΩ,
10k 100k 1M 10M
NJM2732
-
7
-
Ver.2011-12-12
■ TYPICAL CHARACTERISTICS
Pulse Response
-0.6
-0.2
0.2
0.6
1.0
1.4
1.8
-60 -40 -20 0 20 40 60
Time [μsec]
Output Voltage [V]
-1.8
-1.4
-1.0
-0.6
-0.2
0.2
0.6
Input Voltage [V]
V
+
/V
-
=±2.5V, G
V
=0dB, f=10kHz, V
IN
=1V
PP
R
S
=50Ω, R
L
=2kΩ, C
L
=0pF, Ta=+25°C
INPUT
OUTPUT
Pulse Response (Rise)
-0.6
-0.2
0.2
0.6
1.0
1.4
1.8
-202468
Time [μsec]
Output Voltage [V]
-1.8
-1.4
-1.0
-0.6
-0.2
0.2
0.6
Input Voltage [V]
INPUT
OUTPUT
V
+
/V
-
=±2.5V, G
V
=0dB, f=10kHz, V
IN
=1V
PP
R
S
=50Ω, R
L
=2kΩ, C
L
=0pF, Ta=+25°C
Pulse Response (Fall)
-0.6
-0.2
0.2
0.6
1.0
1.4
1.8
48 50 52 54 56 58
Time [μsec]
Output Voltage [V]
-1.8
-1.4
-1.0
-0.6
-0.2
0.2
0.6
Input Voltage [V]
INPUT
OUTPUT
V
+
/V
-
=±2.5V, G
V
=0dB, f=10kHz, V
IN
=1V
PP
R
S
=50Ω, R
L
=2kΩ, C
L
=0pF, Ta=+25°C
Pulse Response
-0.6
-0.2
0.2
0.6
1.0
1.4
1.8
-60 -40 -20 0 20 40 60
Time [μsec]
Output Voltage [V]
-1.8
-1.4
-1.0
-0.6
-0.2
0.2
0.6
Input Voltage [V]
V
+
/V
-
=±2.5V, G
V
=0dB, f=10kHz, V
IN
=1V
PP
R
S
=50Ω, R
L
=2kΩ, C
L
=1000pF, Ta=+25°C
INPUT
OUTPUT
Pulse Response (Rise)
-0.6
-0.2
0.2
0.6
1.0
1.4
1.8
-202468
Time [μsec]
Output Voltage [V]
-1.8
-1.4
-1.0
-0.6
-0.2
0.2
0.6
Input Voltage [V]
INPUT
OUTPUT
V
+
/V
-
=±2.5V, G
V
=0dB, f=10kHz, V
IN
=1V
PP
R
S
=50Ω, R
L
=2kΩ, C
L
=1000pF, Ta=+25°C
Pulse Response (Fall)
-0.6
-0.2
0.2
0.6
1.0
1.4
1.8
48 50 52 54 56 58
Time [μsec]
Output Voltage [V]
-1.8
-1.4
-1.0
-0.6
-0.2
0.2
0.6
Input Voltage [V]
INPUT
OUTPUT
V
+
/V
-
=±2.5V, G
V
=0dB, f=10kHz, V
IN
=1V
PP
R
S
=50Ω, R
L
=2kΩ, C
L
=1000pF, Ta=+25°C
NJM2732
-
8
-Ver.2011-12-12
■ TYPICAL CHARACTERISTICS
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
Total Harmonic Distortion
vs. Output Voltage
0.001
0.01
0.1
1
10
0.001 0.01 0.1 1 10
Output Voltage [Vrms]
Total Harmonic Distortion (THD+N) [%
]
V
+
/V
-
=±1.5V, A
V
=+2, R
L
=2kΩ to 0V, C
L
=0pF, Ta=25°C
10kHz
1kHz
100Hz
BPF
100Hz : 22Hz to 30kHz
1kHz : 400Hz to 30kHz
10kHz : 400Hz to 80kHz
Equivalent Input Noise Voltage
vs. Frequency
0
5
10
15
20
25
30
1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05
Frequency [Hz]
Equivalent Input Noise Voltage [nV/√Hz]
V
+
/V
-
=±1.5V, G
V
=40dB, R
L
=2kΩ, C
L
=0, Ta=25°C
1 10 100 1k 10k 100k
Sin Wave Response
-3
-2
-1
0
1
2
-100 -50 0 50 100
Time [μsec]
Input Voltage [V]
-2
-1
0
1
2
3
Output Voltage [V]
V
+
/V
-
=±1.5V, A
V
=0dB, V
IN
=3V
PP
R
L
=2kΩ to 0V, f=10kHz, Ta=25°C
INPUT
OUTPUT
