NJM2729
Precision Operational Amplifier
■
GENERAL DESCRIPTION
●
Precision
V
IO
=60µV max.
V
IO
=100µV max. (Ta=-40ºC to +85ºC)
●
Low Offset Drift
∆V
IO
/∆T=0.9µV/ºC max. (Ta=-40 to +85ºC)
●Specified
for ±15V and
±5V operation
●CMR
130dB min.
●Low
Noise
V
NI
=80nVrms typ. at f=1 to 100Hz
en=8nV/√Hz typ. at f=100Hz
Av=130dB min.
●
Open Loop Gain
●
Guaranteed Temperature Ta=-40ºC to +85ºC
●
Unity Gain Stable
●
Operating Voltage
Vopr=±3V to ±18V
●Unity
Gain Frequency
f
T
=1.1MHz typ.
●
Supply Current
Icc=2mA max.
●
Package
EMP8
■
PACKAGE OUTLINE
NJM2729E
■
FEATURES
The NJM2729 is a high performance operational amplifier featured very low offset voltage and drift.
Features are low offset voltage and drift, hi common mode rejection, low noise and open loop gain. DC
characteristics are100% tested and specified from
−40
to 85
ºC.
The NJM2729 is suitable for high gain circuit amplified small signal and sets required stable behavior over
a wide temperature range.
■
APPRICATION
●T
hermocouple sensor
●
Bridge Amplifier
●
Current Sensor
●
Instrumentation Amplifier
●
Reference Voltage Circuit
■
PIN CONFIGURATION
■
PACKAGE DESCRIPTION
5.0±0.3
8
5
(Top View)
BALANCE
−INPUT
+INPUT
V
−
1
2
3
4
8
7
6
5
BALANCE
3.9±0.2
6.0±0.4
V
+
OUTPUT
NC
1
1.27
0.74MAX
4
E1
-1-
NJM2729
■
ABSOLUTE MAXIMUM RATING
(Ta=25
º
C Unless Otherwise Specified)
PARAMETER
Supply Voltage
Common Mode Input Voltage (Note1)
Differential Input Voltage
Power Dissipation (Note 2)
Operating Temperature
Storage Temperature
SYMBOL
V /V
+
-
RATING
±20
±20
±30
640
-40 to +85
-50 to +125
UNIT
V
V
V
mW
ºC
ºC
V
ICM
V
ID
P
D
Topr
Tstg
(Note1) For supply voltage less than ±20V, the maximum input voltage is equal to the supply voltage.
(Note2) Mounted on the EIA/JEDEC standard board (76.2×114.3×1.6mm, two layer, FR-4).
■
RECOMMENDED OPERATING VOLTAGE
PARAMETER
Supply Voltage
SYMBOL
V /V
+
-
RATING
MIN.
±3
TYP.
-
MAX.
±18
UNIT
V
■
ELECTRONIC CHARACTERISTICS (V
+
/V
-
=±15V Ta=+25ºC, V
ICM
=0V unless otherwise specified)
●
DC CHARACTERISTICS
PARAMETER
Input Characteristics
Input Offset Voltage
Input Offset Voltage Drift
Common Mode Input Voltage Range
Common Mode Rejection Ratio
SYMBOL
V
IO
1
V
IO
2
∆Vio/T
V
ICM
1
V
ICM
2
CMR1
CMR2
Supply Voltage Rejection Ratio
Input Bias Current
Input Bias Current Drift
Input Offset Current
Input Offset Current Drift
Differential Input Impedance
Common-Mode Input Impedance
Input Offset Voltage Trim
Voltage Gain
SVR1
SVR2
I
B
1
I
B
2
∆I
B
/T
I
IO
1
I
IO
2
∆I
IO
/T
R
ID
R
IC
Viotri
Av1
Av2
Ta=-40 to +85ºC
Ta=-40→+85ºC
Theoretical value by design.
Theoretical value by design.
Rp=20kΩ
R
L
=2kΩ,
Vo= -10V→0V / 0V→+10V / -10V→+10V
Ta=-40 to +85ºC, R
L
=2kΩ,
Vo= -10V→0V / 0V→+10V / -10V→+10V
Ta=-40 to +85ºC
Ta=-40→+85ºC
Ta=-40 to +85ºC
V
CM
=0V→-13V / V
CM
=0V→+13V
Ta=-40 to +85ºC,
V
CM
=0V→-13V / V
CM
=0V→+13V
V /V =±3V to ±18V
Ta=-40 to +85ºC,V /V =±3V to ±18V
+
-
+
-
RATING
MIN.
-
TYP.
20
20
0.3
±14
±13.5
140
140
125
120
1.2
1.7
8
0.3
0.3
1.5
90
800
±3
142
136
MAX.
60
100
0.9
-
-
-
-
-
-
2.8
6
60
2.8
4.5
72
-
-
-
-
-
UNIT
µV
µV
µV/ºC
V
V
dB
dB
dB
dB
nA
nA
pA/ºC
nA
nA
pA/ºC
MΩ
GΩ
mV
dB
dB
Ta=-40 to +85ºC
Ta=-40→+25ºC / Ta=+25ºC→+85ºC
-
-
±13
±13
130
120
115
110
-0.2
-1.5
-
-
-
-
-
-
-
130
126
-2-
E1
NJM2729
●
DC CHARACTERISTICS
PARAMETER
Output Characteristics
Maximum Output Voltage
V
OM
1
V
OM
2
V
OM
3
V
OM
4
V
OM
5
Output Impedance
Supply Characteristics
Supply Current
R
O
I
CC
1
I
CC
2
I
CC
3
Power Dissipation
P
D
1
P
D
1
R
L
=10kΩ
Ta=-40 to +85ºC, R
L
=10kΩ
R
L
=2kΩ
Ta=-40 to +85ºC, R
L
=2kΩ
R
L
=1kΩ
Open-Loop
A
V
=+1, R
L
=∞
Ta=-40 to +85ºC, A
V
=+1, R
L
=∞
V /V =±3V, A
V
=+1, R
L
=∞
A
V
=+1, R
L
=∞
V /V =±3V, A
V
=+1, R
L
=∞
+
-
+
-
SYMBOL
RATING
MIN.
±13.5
±13.0
±12.5
±12.0
±12.0
-
-
-
-
-
-
TYP.
±14.0
±14.0
±13.0
±13.0
±12.5
60
1.6
1.7
0.58
50
4.2
MAX.
-
-
-
-
-
-
2
2.5
0.75
60
5.4
UNIT
V
V
V
V
V
Ω
mA
mA
mA
mW
mW
●
AC CHARACTERISTICS
PARAMETER
Frequency Characteristics
Unity Gain Frequency
Slew Rate
Noise Characteristics
Equivalent Input Noise Voltage
Equivalent Input Noise Current
V
NI
I
NI
fo=1Hz to 100Hz
fo=1Hz to 100Hz
-
-
80
3
-
-
nVrms
pArms
f
T
+SR
-SR
A
V
=+100, R
L
=2kΩ, CL=10pF
RISE, A
V
=+1, V
IN
=1Vpp, R
L
=2kΩ, C
L
=10pF
FALL, A
V
=+1, V
IN
=1Vpp, R
L
=2kΩ, C
L
=10pF
-
0.1
0.1
1.1
0.3
0.3
-
-
-
MHz
V/µs
V/µs
SYMBOL
RATING
MIN.
TYP.
MAX.
UNIT
E1
-3-
NJM2729
■
ELECTRONIC CHARACTERISTICS (V
+
/V
-
=±5V Ta=+25ºC, V
ICM
=0V unless otherwise specified)
PARAMETER
Input Characteristics
Input Offset Voltage
Common Mode Input Voltage Range
Common Mode Rejection Ratio
V
IO
1
V
IO
2
V
ICM
1
V
ICM
2
CMR1
CMR2
Input Bias Current
Input Offset Current
I
B
1
I
B
2
I
IO
1
I
IO
2
Voltage Gain
Av1
Av2
Output Characteristics
Maximum Output Voltage
V
OM
1
V
OM
2
V
OM
3
V
OM
4
Supply Characteristics
Supply Current
I
CC
1
I
CC
2
A
V
=+1, R
L
=∞
Ta=-40 to +85ºC, A
V
=+1, R
L
=∞
-
-
0.85
0.9
1.1
1.25
mA
mA
R
L
=10kΩ
Ta=-40 to +85ºC, R
L
=10kΩ
R
L
=2kΩ
Ta=-40 to +85ºC, R
L
=2kΩ
±3.5
±3.5
±3.5
±3.5
±4.0
±4.0
±4.0
±4.0
-
-
-
-
V
V
V
V
Ta=-40 to +85ºC
Open-Loop, R
L
=2kΩ,
Vo= -3V→0V / 0V→+3V / -3V→+3V
Ta=-40 to +85ºC, Open-Loop, R
L
=2kΩ,
Vo= -3V→0V / 0V→+3V / -3V→+3V
Ta=-40 to +85ºC
Ta=-40 to +85ºC
V
CM
=0V→-3V / V
CM
=0V→+3V
Ta=-40 to +85ºC,
V
CM
=0V→-3V / V
CM
=0V→+3V
Ta=-40 to +85ºC
-
-
±3
±3
115
105
-0.2
-0.2
-
-
115
110
30
35
±3.9
±3.5
130
125
0.7
1
0.3
0.3
130
125
70
110
-
-
-
-
2
6
2.8
4.5
-
-
µV
µV
V
V
dB
dB
nA
nA
nA
nA
dB
dB
SYMBOL
RATING
MIN.
TYP.
MAX.
UNIT
-4-
E1
NJM2729
●
EXPLANATION OF MEASUREMENT CONDITION
PARAMETER
Input Offset Voltage Drift
Input Offset Voltage Drift =
∆V
IO
/
∆t
∆t
: Amount of Temperature change.
∆V
IO
: Amount of Input Offset Voltage.
Common Mode Input Voltage range A range of input voltage at which the operational amplifier can function.
Common Mode Rejection Ratio
CMR = 20log | (
∆V
IN
/
∆V
IO
)|
∆V
IN
: Amount of Input Voltage.
∆V
IO
: Amount of Input Offset Voltage.
Supply Voltage Rejection Ratio
SVR = 20log |(
∆V
S
/
∆V
IO
)|
∆V
S
: Amount of supply Voltage.
∆V
IO
: Amount of Input Offset Voltage.
Common Mode Input Impedance
R
INCM
=
∆V
IN
/
∆I
B
∆V
IN
: Amount of Input Voltage.
∆I
B
: Amount of Input bias current.
Voltage Gain
AV = 20log |(
∆V
IN
/
∆V
O
)|
∆V
O
: Amount of output Voltage.
∆V
IN
: Amount of Input Voltage.
Explanation
E1
-5-
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