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PDF NJU7057 Data sheet ( Hoja de datos )
| Número de pieza | NJU7057 | |
| Descripción | Rail-to-Rail Output CMOS Operational Amplifier | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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NJU7056/NJU7057/NJU7058
Low Noise, Low Offset Voltage Drift
Rail-to-Rail Output CMOS Operational Amplifier
■FEATURES(V+=5V, V-=0V, Ta=25°C)
■GENERAL DESCRIPTION
●Low Noise
15nV/√Hz
●Low Offset Voltage Drift
0.7µV/°C typ.
●Offset Voltage
4mV max.
●Rail-to-Rail Output
RL=10kΩ
RL=600Ω
●Gain Bandwidth Product
50mV from rail
140mV from rail
2.1MHz
●Slew Rate
0.8V/µs
●Supply Current
260µA/ch typ.
●Supply Voltage
1.8V to 5.5V
●Thin and Ultra Small Package
DFN8-U1(ESON8-U1)
2.0 x 2.0 x 0.4 mm
●RF noise Immunity
●Ground sense
●Unity-Gain Stable
●Package
NJU7056
SOT-23-5, SC-88A
NJU7057
MSOP8(TVSP8)*
DFN8-U1(ESON8-U1)
*meet JEDEC MO-187-DA / thin type
The NJU7056/NJU7057/NJU7058 are Single/Dual/
Quad rail-to-rail output CMOS operational amplifiers.
Low noise of 15nV/√Hz and low offset drift of 0.7µV/°C
typ. make them suitable for several sensor amplifiers
and preamplifiers.
NJU7056/NJU7057/NJU7058 operate from 1.8V to
5.5V supply voltage. They are optimized for 2-cell
battery systems and 1-cell li-ion battery systems. The
NJU7056/NJU7057/NJU7068 have high-impedance
inputs with ground sense, rail-to-rail output that swings
within 50mV from rail with 10kΩ load at 1.8V supply,
2.1MHz Gain bandwidth and 0.8V/µs Slew rate. These
characteristics make them excellent performance for
general-purpose applications.
The NJU7056 is available in 5-pin SC-88A and
SOT-23 package. NJU7057 is available in 8-pin MSOP
(TVSP): meet JEDEC MO-187-DA / thin type package
and DFN that is thin and 2mm square small package.
NJU7058 is available in 14-pin SSOP package.
NJU7058
SSOP14
●AEC-Q100 : Cf. order information page
This product meets the reliability level required by AEC-Q100
■APPLICATION
●Battery-powered instruments
●Current sensor amplifiers
●Audio pre/mic. amplifiers
●Power line monitoring
●Current to Voltage converter
■TYPICAL CHARACTERISTICS
■RELATED PRODUCTS
Features
13µA/ch, Rail-to-rail Output
(Low power type)
9V/µs, 5MHz, Rail-to-rail I/O
(High slew rate type)
Single Dual Quad
NJU7026 NJU7027 NJU7028
NJU7046 NJU7047 NJU7048
Voltage Noise Density vs. Frequency
V+=5V, Ta=25ºC
80
70
60
50
40
30
20
10
0
10
100 1k
Frequency [Hz]
10k
Input Offset Voltage vs. Temperature
3 V+=5V, VICM=0V, n=130
2
1
0
-1
-2
-3
-50 -25 0 25 50 75 100 125 150
Ambient Temperature [ºC]
Ver.6 http://www.njr.com/ - 1 -
1 page  
NJU7056/NJU7057/NJU7058
ELECTRICAL CHARACTERISTICS (continued)
(V+=1.8V, V-=0V, Ta=25°C, unless otherwise noted.)
PARAMETER
SYMBOL
DC CHARACTERISTICS
Input Offset Voltage
Input Offset Voltage Drift
VIO
ΔVIO/ΔT
Input Bias Current
IB
Input Offset Current
Open-Loop Voltage Gain
IIO
AV
Common-Mode Rejection Ratio
CMR
Supply Voltage Rejection Ratio
SVR
Common-Mode Input Voltage Range
VICM
High-level Output Voltage
VOH
Low-level Output Voltage
VOL
Supply Current (All Amplifiers)
NJU7056
NJU7057
NJU7058
AC CHARACTERISTICS
Slew Rate(6)
ISUPPLY
SR
Gain Bandwidth Product
Phase Margin
Gain Margin
Equivalent Input Noise Voltage
Total Harmonic Distortion + Noise
GBW
ΦM
GM
VNI
THD+N
Channel Separation
CS
(6) Slew rate is defined by the lower value of the rise or fall.
TEST CONDITION
VCOM=0V
Ta = -40°C to 125°C
RL=10kΩ to 0.9V
VICM=0V to 0.9V
V+=1.8V to 5.5V
CMR≥65dB
RL=10kΩ to 0.9V
RL=10kΩ to 0V
ISOURCE=1mA
RL=10kΩ to 0.9V
RL=10kΩ to 0V
ISINK=1mA
No Signal
RL=10kΩ to 0.9V,
CL=20pF, f=100kHz
RL=10kΩ to 0.9V, CL=20pF
RL=10kΩ to 0.9V, CL=20pF
f=1kHz
f=1kHz
GV=6dB, VO=1VPP, f=1kHz
f=1kHz,
NJU7057/NJU7058
MIN.
-
-
-
-
65
65
70
0
1.7
1.7
1.5
-
-
-
-
-
-
-
-
-
-
-
-
-
TYP. MAX.
0.8 4
0.8 -
1-
1-
90 -
80 -
90 -
- 0.9
1.75 -
1.75 -
1.55 -
0.05 0.1
0.02 0.05
0.25 0.3
0.22 0.38
0.44 0.76
0.9 1.5
0.6
1.7
80
13
18
0.005
-110
-
-
-
-
-
-
-
UNIT
mV
µV/°C
pA
pA
dB
dB
dB
V
V
V
mA
V/µs
MHz
deg
dB
nV/√Hz
%
dB
Ver.6 http://www.njr.com/ - 5 -
5 Page 
■TYPICAL TEST CIRCUIT
●Supply Current (ISUPPLY)
V+=+1.8V,V - =0V
V+=+5.0V,V- =0V
NJU7056/NJU7057/NJU7058
1 V
2
V＋
●Input Offset Voltage (VIO)
V+=+1.8V,V - =0V
V+=+5.0V,V- =0V
R1=50Ω,R2=50kΩ
VIO＝
R1
R1 R2
V
F
[V]
R2
R1 V+
VCOM
R1 R2
1 V
2
1 V
2
1 V
2
VF
●Open-Loop Voltage Gain (AV)
V+=+1.8V,V - =0V
CONDITION 1：R1=50Ω,R2=50kΩ,RL=10kΩ,VIN=VIN1=+1.3V,VF＝VF1
CONDITION 2：R1=50Ω,R2=50kΩ,RL=10kΩ,VIN=VIN2=+0.5V,VF=VF2
V+=+5.0V,V - =0V
CONDITION：R1=50Ω,R2=50kΩ,RL=10kΩ,VIN=VIN1=+4.5V,VF＝VF1
CONDITION：R1=50Ω,R2=50kΩ,RL=10kΩ,VIN=VIN2=+0.5V,VF=VF2
AV
20log
1
R2
R1
VIN1 VIN2
VF1 - VF2
[dB]
R2
R1 V＋
1 V
2
R1
R2
1 V
2
1 V
2
RL
VIN
VF
1 V
2
Ver.6
http://www.njr.com/
- 11 -
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet NJU7057.PDF ] | |
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