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PDF NJU7098A Data sheet ( Hoja de datos )
| Número de pieza | NJU7098A | |
| Descripción | Single Supply Rail-to-Rail Output CMOS Operational Amplifier | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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NJU7098A
0.05μV/°C max, Zero-Drift, Single Supply
Rail-to-Rail Output CMOS Operational Amplifier
FEATURES(V+=5V typ.)
●Low Offset Voltage
15μV max.
●Zero-Drift
0.05μV/°C max.
●Supply Voltage Range
3V to 10V
●●ROauitlp-tuot-RCauirlreOnuttp(Vuot =(R4.L5=V10aktΩV)+=5V)20mV
from rail
30mA
●DC Precision
Open-Loop Voltage Gain
140dB
CMR, SVR
130dB
●Supply Current
0.6mA
●Shutdown
●RF-Noise immunity
●Ground Sense
●Overload Recovery Time
0.45ms
●Package
SOT-23-6-1
APPLICATIONS
●Thermocouple Amplifiers
●Electronic Scales
●Strain Gauge Amplifiers
●Medical Instrumentation
●Precision Current Sensing
●High Resolution Data Acquisition
●Low-Side Current Sensing
●Handheld Test Equipment
DESCRIPTION
The NJU7098A is a low offset voltage and
zero-drift operational amplifier. With an maximum
input offset voltage of 15μV and offset drift of
0.05μV/°C, The NJU7098A is suitable for applications
in which error sources cannot be tolerated.
The NJU7098A operate from 3V to 10V with single
supply. Rail-to-rail output swing , input common
mode voltage within negative rail and 30mA high
output current capability provided by the NJU7098A
make low-side sensing or precision output buffer
easy.
The almost zero DC offset and offset drift are
supported with a power supply rejection ratio and
common mode rejection ratio at 130dB. Futuremore,
typical open-loop voltage gain is 140dB.
The NJU7098 includes a shutdown mode. Under
logic control, the amplifiers can be switched from
normal operation to shutdown current that is 15μA
max and the output placed in a high- impedance
state.
The NJU7098A is available in 6-pin SOT-23
package.
PIN CONFIGURATION
Pin
Function
(Top View)
OUTPUT 1
6 V+
V- 2
5 SHDN
+INPUT 3
4 -INPUT
Package
Product
Name
SOT-23-6-1
NJU7098AF1
Ver.02
[1]
1 page  
NJU7098A
■ ELECTRICAL CHARACTERISTICS (V+=10V, V-=0V, VSHDN=V+, Ta=25°C, unless otherwise noted.)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP. MAX. UNIT
DC CHARACTERISTICS
Input Offset Voltage(4)
Input Offset Voltage Drift(4)
Input Bias Current
Input Offset Current
Open-Loop Voltage Gain
Common-Mode Input Voltage
Range
Common-Mode Rejection Ratio
Supply Voltage Rejection Ratio
High-level Output Voltage
Low-level Output Voltage
Output Source Current
Output Sink Current
Supply Current
Normally Mode
Shutdown Mode
Shutdown Pin Input High Voltage
Shutdown Pin Input Low Voltage
Shutdown Pin Input Current
AC CHARACTERISTICS
VIO
VIO/ΔT
Ta=-40°C to 85°C
IB Ta=-40°C to 85°C
IIO Ta=-40°C to 85°C
AV
RL≥10kΩ, VO=1 to 9V
Ta=-40°C to 85°C
VICM
CMR
SVR
VOH
VOL
ISOURCE
ISINK
ISUPPLY
VSHDNON
VSHDNOFF
ISHDN
CMR≥115dB, Ta=-40°C to 85°C
VICM=0 to 8.5V
Ta=-40°C to 85°C
V+=4 to 10V
Ta=-40°C to 85°C
RL=10kΩ to 0V, Ta=-40°C to 85°C
RL=2kΩ to 0V, Ta=-40°C to 85°C
RL=10kΩ to 0V, Ta=-40°C to 85°C
RL=2kΩ to 0V, Ta=-40°C to 85°C
VO=9.5V, Ta=-40°C to 85°C
VO=0.5V, Ta=-40°C to 85°C
No Signal, Ta=-40°C to 85°C
VSHDN=10V
VSHDN=0V
ISUPPLY≥400μA, Ta=-40°C to 85°C
ISUPPLY≤25μA, Ta=-40°C to 85°C
VSHDN=0V, Ta=-40°C to 85°C
-
-
-
-
-
-
125
120
0
120
115
115
115
9.6
9.5
-
-
14
5
-
-
9.5
0
-
3 15 μV
- 0.05 μV/°C
40 400 pA
-
1000
pA
- 500 pA
-
1000
pA
140 - dB
140 - dB
- 8.5 V
130
130
130 -
130 -
9.98 -
9.94 -
1 10
1 10
40 -
60 -
dB
dB
dB
dB
V
V
mV
mV
mA
mA
0.7 1.5 mA
- 25 μA
- 10 V
- 0.5 V
7.5 20 μA
Gain Bandwidth Product
GBW RL=10kΩ
Positive Slew Rate
+SR GV=+1, RL=10kΩ
Negative Slew Rate
-SR GV=+1, RL=10kΩ
Phase Margin
ΦM RL=10kΩ, CL=50pF
Equivalent Input Noise Voltage
VNI f=10Hz
Internal Sampling Frequency
FS
(4) These parameters are guaranteed by design.
- 5 - MHz
- 4 - V/μs
- 14 - V/μs
- 30 - deg
- 120 - nV/√Hz
- 7.5 - kHz
Ver.02
[5]
5 Page 
■ TYPICAL CHARACTERISTICS
Supply Current vs. Shutdown Pin Voltage
700
V+=3V, GV=0dB
600
Ta=-40ºC
Ta=25ºC
500
400
Ta=85ºC
300
200
100
0
0 0.5 1 1.5 2 2.5 3
Shutdown Pin Voltage [V]
Turn on/off Time
V+=5V, V-=0V, RL=2kΩ to 0V, Ta=25ºC
VSHDN
VOUT
Time [2μs/div]
NJU7098A
1000
900
Supply Current vs. Shutdown Pin Voltage
V+=10V, GV=0dB
Ta=-40ºC
Ta=25ºC
800
700
600
Ta=85ºC
500
400
300
200
100
0
0 1 2 3 4 5 6 7 8 9 10
Shutdown Pin Voltage [V]
Turn on/off Time vs. Supply Voltage
12 V-=0V, RL=2kΩ to 0V, Ta=25ºC
10
8
6
4
Turn off
2
Turn on
0
2 3 4 5 6 7 8 9 10 11
Supply Voltage V+ [V]
Ver.02
[11]
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet NJU7098A.PDF ] | |
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