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KM4470IP14TR3 Datasheet

  • KM4470IP14TR3

  • Low Cost, +2.7V & +5V, Rail-to-Rail I/O Amplifiers

  • 459.65KB

  • 16頁(yè)

  • FAIRCHILD

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www.fairchildsemi.com
KM4170, KM4270, KM4470
Low Cost, +2.7V & +5V, Rail-to-Rail I/O Amplifiers
Features at 2.7V
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136碌A(chǔ) supply current per amplifier
4.9MHz bandwidth
Output swings to within 20mV of either rail
Input voltage range exceeds the rail by >250mV
5.3V/碌s slew rate
16mA output current
21nV/鈭欻z input voltage noise
KM4170:
directly replaces OPA340, OPA343, and TLV2461 in
single supply applications and available in SC70-5 and
SOT23-5 package options
鈥?KM4270:
directly replaces MAX4126, OPA2340, LMV822 and
TLV2462 in single supply applications and available in
SOIC-8 and MSOP-8 package options
鈥?KM4470:
directly replaces MAX4129, OPA4340, LMV824 and
TLV2464 in single supply applications and available in
TSSOP-14 package option
Description
The KM4170 (single), KM4270 (dual), and KM4470 (quad)
are ultra-low cost, low power, voltage feedback amplifiers.
At 5V, the KM4X70 family uses only 160碌A(chǔ) of supply current
per amplifier and are designed to operate from a supply range
of 2.5V to 5.5V (鹵1.25 to 鹵2.75). The input voltage range
exceeds the negative and positive rails.
The KM4X70 family of amplifiers offer high bipolar
performance at a low CMOS prices. They offer superior
dynamic performance with 4.9MHz small signal bandwidths
and 5.3V/碌s slew rates. The combination of low power, high
bandwidth, and rail-to-rail performance make the KM4X70
amplifiers well suited for battery-powered communication/
computing systems.
Large Signal Frequency Response
V
s
= 5V
Applications
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Portable/battery-powered applications
PCMCIA, USB
Mobile communications, cellular phones, pagers
Notebooks and PDA鈥檚
Sensor Interface
A/D buffer
Active filters
Signal conditioning
Portable test instruments
Output Voltage (0.27V/div)
Magnitude (1dB/div)
V
o
= 1V
pp
V
o
= 4V
pp
V
o
= 2V
pp
0.01
0.1
1
10
Frequency (MHz)
Output Swing vs. Load
1.35
R
L
= 10k鈩?/div>
R
L
= 1k鈩?/div>
0
R
L
= 75鈩?/div>
R
L
= 100鈩?/div>
R
L
= 200鈩?/div>
R
L
= 75/100鈩?/div>
-1.35
-2.0
0
2.0
Input Voltage (0.4V/div)
REV. 5 December 2002

KM4470IP14TR3 產(chǎn)品屬性

  • Fairchild Semiconductor

  • 4 Channels

  • 80 dB

  • 8 mV

  • 9 V/us

  • 2.7 V

  • + 85 C

  • SMD/SMT

  • TSSOP-14

  • Reel

  • 58 dB

  • - 40 C

  • Voltage Feedback Amplifier

  • 5.5 V

  • 2.5 V

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