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PDF XPT2291E Data sheet ( Hoja de datos )
| Número de pieza | XPT2291E | |
| Descripción | Precision Op-amp | |
| Fabricantes | XPTEK | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de XPT2291E (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
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XPT2291-XPT2291E
__________________1_._8V_,__70_0_nA_,_S_m_a_ll__Si_z_e,__P_re_c_is_i_on__O_p-_a_mp__
Features
900 nA Maximum Supply Current
Ultra-low Single-Supply Operation Down to +1.8V
Ground-Sensing Input Common-Mode Range
Outputs Swing Rail-to-Rail
Offset Voltage: 0.6 mV Maximum
Ultra-low VOS TC: 0.4 μV/°C
Ultra-low Input Bias Current: 1 fA Typical
Stable 18 kHz GBWP with 10 mV/μs Slew Rate
High 120 dB Open-Loop Voltage Gain
Unity Gain Stable
Outputs Source and Sink 20mA of Load Current
No Phase Reversal for Overdriven Inputs
Shutdown Pin Feature (XPT2291E)
–40°C to 125°C Operation Range
Robust 8kV – HBM and 2kV – CDM ESD Rating
Green, SC70/SOT23 Small Size Package
Applications
Current Sensing
Threshold Detectors/Discriminators
Low Power Filters
Wireless Remote Sensors, Active RFID Readers
Environment/Gas/Oxygen Sensors
Handsets and Mobile Accessories
Battery or Solar Powered Devices
Sensor Network Powered by Energy Scavenging
Description
The XPT2291(E) is a high precision,ultra-low power...
CMOS op-amp featuring a maximum supply current
of 900 nA with an ultra-low typical input bias current
of 1 fA. Analog trim and calibration routine reduce
input offset voltage to below 600 μV, and the
precision temperature compensation technique
makes offset voltage temperature drift at 0.4 μV/°C,
which allowing use of the XPT2291(E) in systems
with high gain without creating excessively large
output offset errors.
The XPT2291(E) is unity gain stable with a constant
18 kHz GBWP, 10 mV/μs slew rate, which make
them appropriate for low frequency applications,
such as battery current monitoring and sensor
conditioning. The XPT2291(E) can operate from a
single-supply voltage of +1.8V to +6.0V or a
dual-supply voltage of ±0.9V to ±3.0V. Beyond the
rails input makes it very prominent in low voltage (<
3V) rail-to-rail input applications.
The combined features make the XPT2291(E) an
ideal choice for battery-powered applications
because it minimize errors due to power supply
voltage variations over the lifetime of the battery and
maintain high CMRR even for a rail-to-rail input
op-amp. Mobile accessories, wireless remote
sensing, backup battery sensors, and single-Li+ or
2-cell NiCd/Alkaline battery powered systems can
benefit from the features of the XPT2291(E) op-amp.
XPT2291
5-Pin SC70/SOT23
(-C and -T Suffixes)
Out 1
V- 2
+In 3
5 V+
4 -In
XPT2291E
6-Pin SC70/SOT23
(-C and -T Suffixes)
Out 1
V- 2
+In 3
6 V+
5 SHDN
4 -In
0.4
0.3 TA = 125°C
TA = 27°C TA = -40°C
0.2
0.1
0
-0.1
-0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Common Mode Input Voltage (V)
Ground-Sensing Input Common-Mode Range
ICC POWER IN
LOAD
R3
XPT2291
VOUT
R2 R1
VOUT
ICC
R3
(
R1
R2
1)
XPT2291 in Low Side Battery Current Sensor
_______________________________________________________________________________________________
XPTEK
www.xptek.cn
1／12
1 page  
XPT2291-XPT2291E
__________________1_._8V_,__70_0_nA_,_S_m_a_ll__Si_z_e,__P_re_c_is_i_on__O_p-_a_mp__
Package Outline Dimensions
SOT23-5 / SOT23-6
D
A2
A1
E1
e
e1
θ
L1
E
b
Symbol
A1
A2
b
D
E
E1
e
e1
L1
θ
Dimensions
In Millimeters
Min Max
0.000
0.100
1.050
1.150
0.300
0.400
2.820
3.020
1.500
1.700
2.650
2.950
0.950TYP
1.800
2.000
0.300
0.460
0° 8°
Dimensions
In Inches
Min Max
0.000
0.004
0.041
0.045
0.012
0.016
0.111
0.119
0.059
0.067
0.104
0.116
0.037TYP
0.071
0.079
0.012
0.024
0° 8°
_______________________________________________________________________________________________
XPTEK
www.xptek.cn
12／12
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet XPT2291E.PDF ] | |
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