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KM4270 fiches techniques PDF

Fairchild Semiconductor - Dual/ Low Cost/ +2.7V and +5V/ Rail-to-Rail I/O Amplifier

Numéro de référence KM4270
Description Dual/ Low Cost/ +2.7V and +5V/ Rail-to-Rail I/O Amplifier
Fabricant Fairchild Semiconductor 
Logo Fairchild Semiconductor 





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KM4270 fiche technique
Product Brief
February 2001
KM4270
Dual, Low Cost, +2.7V and +5V,
Rail-to-Rail I/O Amplifier
Preliminary
Outperforms the competition in
single-supply applications at a
SOIC-8
(not actual size)
MSOP-8
(not actual size)
lower cost!
Features at 2.7V
I 160µA supply current per amplifier
I 4.9MHz bandwidth
I Output swings to within 20mV of either rail
I Input voltage range exceeds the rail by >250mV
yI 5.3V/µs slew rate
I 35mA short circuit output current
rI 24nV/Hz input voltage noise
I Directly replaces MAX4126, OPA2340, LMV822,
aand TLV2462 in single supply applications
I Available in SOIC and MSOP package options
i nApplications
I Portable/battery-powered applications
I PCMCIA, USB
I Mobile communications, cellular phones, pagers
I Notebooks and PDA’s
I Sensor Interface
l i mI A/D buffer
I Active filters
I Signal conditioning
I Portable test instruments
eGeneral Description
The KM4270 is a dual ultra-low cost, low power,
rvoltage feedback amplifier. At 5V, the KM4270 uses
only 160µA of supply current per amplifier and is
Pdesigned to operate from a supply range of 2.5V to
Advertised 5V
Specifications
G = 1 BW
Noise
Slew rate
Supply current
KM4270
4.3
27
9
160
Competitors
ABCD
5 5.5 5.6 6.4
22 25 24 11
2 6.0 2 1.6
850 750 250 550
Units
MHz
nV/Hz
V/µs
µA
Available Packages
SOIC
MSOP
Out1 1
-In1 2 -
+In1 3 +
-Vs 4
8 +Vs
7 Out2
- 6 -In2
+ 5 +In2
Out1 1
-In1 2 -
+In1 3 +
-Vs 4
8 +Vs
7 Out2
- 6 -In2
+ 5 +In2
Ordering Information
Part No.
KM4270IC8
KM4270IC8TR3
KM4270IM8
Package
SOIC-8
SOIC-8
MSOP-8
Container
Rail
Reel
Rail
Pack Qty
95
2500
50
Eval Bd*
KEB006
KEB006
KEB010
5.5V. The input voltage range exceeds the negative
KM4270IM8TR3 MSOP-8
Reel
4000
KEB010
and positive rails. The KM4170 (single) and KM4470
(quad) are also available.
Temperature range for all parts: -40°C to +85°C.
* Evaluation boards are available to aid in the evaluation of these products. See the full
data sheet or website for complete information.
The KM4270 offers high bipolar performance at a low
CMOS price. The KM4270 offers superior dynamic
performance with a 4.9MHz small signal bandwidth
and 5.3V/µs slew rate. The combination of low power,
high bandwidth, and rail-to-rail performance make
the KM4270 well suited for battery-powered com-
munication/computing systems.
© 2001 Fairchild Semiconductor Corporation
Patents Pending
www.fairchildsemi.com

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