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參數(shù)資料
| 型號： | KM4270IM8TR3 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Dual, Low Cost, +2.7V and +5V, Rail-to-Rail I/O Amplifier |
| 中文描述： | DUAL OP-AMP, 6000 uV OFFSET-MAX, 2.2 MHz BAND WIDTH, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 96K |
| 代理商： | KM4270IM8TR3 |
and positive rails. The KM4170 (single) and KM4470
(quad) are also available.
Preliminary
February 2001
KM4270
Dual, Low Cost, +2.7V and +5V,
Rail-to-Rail I/O Amplifier
Product Brief
Features at 2.7V
I
160
μ
A 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
I
5.3V/
μ
s slew rate
I
35mA short circuit output current
I
24nV/
√
Hz input voltage noise
I
Directly replaces MAX4126, OPA2340, LMV822,
and TLV2462 in single supply applications
I
Available in SOIC and MSOP package options
Applications
I
Portable/battery-powered applications
I
PCMCIA, USB
I
Mobile communications, cellular phones, pagers
I
Notebooks and PDA’s
I
Sensor Interface
I
A/D buffer
I
Active filters
I
Signal conditioning
I
Portable test instruments
General Description
The KM4270 is a dual ultra-low cost, low power,
voltage feedback amplifier. At 5V, the KM4270 uses
only 160
μ
A of supply current per amplifier and is
designed to operate from a supply range of 2.5V to
5.5V. The input voltage range exceeds the negative
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/
μ
s 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
Outperforms the competition in
single-supply applications at a
lower cost!
Advertised 5V
Specifications
G = 1 BW
Noise
Slew rate
Supply current
KM4270
Competitors
B
5.5
25
6.0
750
Units
A
5
22
2
850
C
D
6.4
11
1.6
550
4.3
27
9
160
5.6
24
2
250
MHz
nV/
√
Hz
V/
μ
s
μ
A
Available Packages
Ordering Information
Part No.
Package
KM4270IC8
SOIC-8
KM4270IC8TR3
SOIC-8
KM4270IM8
MSOP-8
KM4270IM8TR3
MSOP-8
Container
Rail
Reel
Rail
Reel
Pack Qty
95
2500
50
4000
Eval Bd*
KEB006
KEB006
KEB010
KEB010
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.
-
+
-
+
1
2
3
4
Out1
-In1
+In1
-V
s
+V
s
Out2
-In2
+In2
8
7
6
5
SOIC
-
+
-
+
1
2
3
4
Out1
-In1
+In1
-V
s
+V
s
Out2
-In2
+In2
8
7
6
5
MSOP
MSOP-8
(not actual size)
SOIC-8
(not actual size)
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