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PDF FAN4272 Data sheet ( Hoja de datos )
| Número de pieza | FAN4272 | |
| Descripción | Dual/ Low Cost/ +2.7V & +5V/ Rail-to-Rail I/O Amplifier | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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www.fairchildsemi.com
FAN4272
Dual, Low Cost, +2.7V & +5V, Rail-to-Rail I/O Amplifier
Features at 2.7V
• 130µA supply current per amplifier
• 4MHz bandwidth
• Output swings to within 25mV of either rail
• Input voltage range exceeds the rail by >250mV
• 4V/µs slew rate
• 16mA output current
• 22nV/√Hz input voltage noise
• Operating temperature range: -40°C to +125°C
• Directly replaces TLC2272 in single supply applications
• Available in SOIC-8 and MSOP-8 package options
• Available evaluation boards:
KEB006 (SOIC) and KEB010 (MSOP)
Applications
• Automotive applications
• Portable/battery-powered applications
• PCMCIA, USB
• Mobile communications, cellular phones, pagers
• Notebooks and PDA’s
• Sensor Interface
• A/D buffer
• Active filters
• Signal conditioning
• Portable test instruments
FAN4272 Packages
SOIC
Out1 1
-In1 2 -
+In1 3 +
-Vs 4
8 +Vs
7 Out2
- 6 -In2
+ 5 +In2
MSOP
Out1 1
-In1 2 -
+In1 3 +
-Vs 4
8 +Vs
7 Out2
- 6 -In2
+ 5 +In2
Description
The FAN4272 is an ultra-low cost, low power, voltage feed-
back amplifier. At 5V, the FAN4272 uses only 160µA of
supply current per amplifier and is designed to operate from a
supply range of 2.5V to 5.5V (±1.25V to 2.75V). The input
voltage range exceeds the negative and positive rails.
The FAN4272 offers high bipolar performance at a low CMOS
price. The FAN4272 offers superior dynamic performance
with a 4MHz small signal bandwidth and 4V/µs slew rate.
The combination of low power, high bandwidth, and rail-to-
rail performance make the FAN4272 well suited for battery-
powered communication/computing systems.
Large Signal Freq. Response Vs = +5V
Vo = 4Vpp
Vo = 1Vpp
Vo = 2Vpp
0.1 1 10
Frequency (MHz)
Output Swing vs. Load Vs = +5V
2.5
RL = 10kΩ
2.0
1.5 RL = 1kΩ
RL = 200Ω
1.0 RL = 75Ω
RL = 100Ω
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
-3
-2 -1 0 1 2
Input Voltage (V)
3
Rev. 2 December 2002
1 page  
FAN4272
DATA SHEET
Typical Operating Characteristics
(Vs = +5V, G = 2, RL = 10kΩ to Vs/2, Rf = 5kΩ, Ta = 25°C; unless otherwise noted)
Harmonic Distortion vs. Freq. Vs = +5V
-45
-50 Vo = 1Vpp
-55
2nd
RL = 1kΩ
3rd
RL = 1kΩ
-60
-65 2nd
RL = 10kΩ
-70
-75
-80
3rd
RL = 10kΩ
-85
10 20 30 40 50 60 70 80 90 100
Frequency (kHz)
2nd Harmonic Distortion vs. Vo for Vs = +5V
-40
-45
-50
-55
100kHz
-60
50kHz
-65
-70 20kHz
-75 10kHz
-80
-85
0.5
1 1.5 2
Output Amplitude (Vpp)
2.5
3rd Harmonic Distortion vs. Vo for Vs = +5V
-40
100kHz
-45
-50
-55
50kHz
-60
-65
-70 20kHz
-75 10kHz
-80
-85
0.5
1 1.5 2
Output Amplitude (Vpp)
2.5
CMRR vs. Frequency
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
100
1000
10000
100000
Frequency (Hz)
1000000
PSRR vs. Frequency
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
100
1000 10000 100000
Frequency (Hz)
1000000
Output Swing vs. Load Vs = +5V
2.5
RL = 10kΩ
2.0
1.5 RL = 1kΩ
RL = 200Ω
1.0 RL = 75Ω
RL = 100Ω
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
-3
-2 -1 0 1 2
Input Voltage (V)
3
Pulse Resp. vs. Common Mode Voltage
1.2V Offset
2.4V Offset
No Offset
-1.2V Offset
-2.4V Offset
Time (1µS/div))
Input Voltage Noise Vs = +5V
45
42
39
36
33
30
27
24
21
18
0.1
1 10
Frequency (kHz)
100
Rev. 2 December 2002
5
5 Page 
DATA SHEET
Ordering Information
Model
Part Number Package
FAN4272 FAN4272AM8X SOIC-8
FAN4272 FAN4272AMU8X MSOP-8
Temperature range for all parts: -40°C to +125°C.
Container
Reel
Reel
Pack Qty
2500
3000
FAN4272
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICES TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN.
FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY
LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE
PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems which, (a) are intended for
surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform
when properly used in accordance with instructions for use provided in the labeling, can
be reasonably expected to result in a significant injury of the user.
2. A critical component in any component of a life support device or system whose failure
to perform can be reasonably expected to cause the failure of the life
support device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
© 2002 Fairchild Semiconductor Corporation
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet FAN4272.PDF ] | |
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