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KM4270 Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part No. KM4270
Description  Dual, Low Cost, 2.7V and 5V, Rail-to-Rail I/O Amplifier
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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KM4270 Datasheet(HTML) 2 Page - Fairchild Semiconductor

   
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background image
Pr
eliminary
KM4270
Typical Specifications
Typical Circuit
Configuration
+
-
KM4270
Rf
0.01
µF
6.8
µF
Out
In
+Vs
+
Rg
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.
Lit No. 600312-001
Electrical Characteristics
(G = +2, Rf = 5kΩ, RL = 10kΩ to Vs/2, Ta = +25°C, unless noted)
PARAMETERS
CONDITIONS
TYP
TYP
UNITS
Vs = +2.7V
Vs = +5V
Frequency Domain Response2
-3dB bandwidth
G = +1, Vo = 0.02Vpp
4.9
4.3
MHz
G = +2, Vo = 0.2Vpp
3.7
3.0
MHz
full power bandwidth
G = +2, Vo = 2Vpp
1.4
2.3
MHz
gain bandwidth product
2.2
2.0
MHz
Time Domain Response
rise and fall time
1V step
163
110
ns
overshoot
1V step
<1
<1
%
slew rate
1V step
5.3
9
V/
µs
Distortion and Noise Response
2nd harmonic distortion1
1Vpp, 10KHz
-75
-73
dBc
3rd harmonic distortion1
1Vpp, 10KHz
-76
-75
dBc
THD1
1Vpp, 10KHz
0.03
0.03
%
input voltage noise
>10KHz
24
27
nV/Hz
input voltage noise
>2KHz
32
28
nV/Hz
crosstalk
10KHz
TBD
TBD
dB
DC Performance
input offset voltage
0.5
1.5
mV
average drift
5
15
µV/°C
input bias current
90
90
nA
average drift
32
40
pA/°C
power supply rejection ratio
DC
83
60
dB
open loop gain
90
80
dB
quiescent current per amplifier
136
160
µA
Input Characteristics
input resistance
12
12
M
input capacitance
2
2
pF
input common mode voltage range
-0.25 to 2.95 -0.25 to 5.25
V
common mode rejection ratio
DC
81
85
dBc
Output Characteristics
output voltage swing
RL = 10kΩ to Vs/2
0.020 to 2.68 0.04 to 4.96
V
RL = 1kΩ to Vs/2
0.05 to 2.63
0.07 to 4.9
V
RL= 200Ω to Vs/2
0.11 to 2.52
0.14 to 4.67
V
output current
16
30
mA
short circuit output current
35
60
mA
recommended power supply operating range
2.5 to 5.5
V
Notes: 1) For +5V supply, a 2Vpp condition was used.
2) For G = +1, Rf = 0.
Absolute Maximum Ratings
supply voltage
0 to +6V
maximum junction temperature
+175°C
storage temperature range
-65°C to +150°C
lead temperature (10 sec)
+300°C
operating temperature range
-40° to +85°C
input voltage range
+Vs + 0.5V, -Vs - 0.5V
θja for 8 lead SOIC
152°C/W
θja for 8 lead MSOP
206°C/W


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