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參數(shù)資料
| 型號： | E910.02 |
| 廠商： | ELMOS SEMICONDUCTOR AG |
| 英文描述： | Analog multiplexer 8:1 |
| 中文描述： | 8:1模擬多路復用器 |
| 文件頁數(shù)： | 1/1頁 |
| 文件大?。?/td> | 85K |
| 代理商： | E910.02 |
BUS IC
DC/DC CONVERTER
MOTOR DRIVER IC
RIPPLE COUNTER
64
BLOCK DIAGRAM
Analog multiplexer
8:1
FEATURES
Supply voltage range VDD
4
.
5
V to
5
.
5
V
Supply voltage range VS
8
V to
40
V
Fast buffer amplifier with
1
.
5
V/μs driving
1
nF
load capacitance
Low crosstalk in case of current-injection into
input-protection diodes
Low offset voltage <
4
mV
Output voltage limitation to VDD
Buffer output with high impedance tri-state-mode
I/O compatible to standard multiplexer
4051
–
40
°C to +
85
°C operating temperature
SO
16
n package
APPLICATION
Buffered analog multiplexing
DESCRIPTION
The IC is an
8
channel analog multiplexer with a buffer amplifier.
The input signals IN
0
to IN
7
are fed to the multiplexer consisting
of analog transmission gates which are controlled by the digital
inputs SEL
0
-
2
. The multiplexer is designed for low crosstalk in
case of current injection into the input protection diodes.
VS is used as the positive supply voltage for the buffer and has to
be at least
2
.
5
V higher than the maximum analog voltage to avoid
clipping or slew rate reduction of the output signal.
The buffer drives a
1
nF load capacitance to avoid EMI disturbance
of the output signal. To achieve high output slewrates, this capac-
itance is used for compensation also and thus has to be applied.
A high level on pin ENB disables the output buffer and switches it
into high impedance mode. This allows multiple IC outputs to be
connected in parallel. Additionally the VDD current consumption
is reduced in tristate mode.
VBAT
IN0
IN1
IN2
IN3
IN4
IN5
IN6
IN7
VS
CH0
CH7
8:1
Analog
MUX
OUT
1nF
EN
SEL0
SEL1
SEL2
VDD
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