MAX4540CWP 查看數據表（PDF） - Maxim Integrated
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MAX4540CWP Datasheet PDF : 20 Pages
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Low-Voltage, Single 8-to-1 and
Dual 4-to-1 Cal-Multiplexers
MAX4539 (Single 8-to-1 Cal-Mux)
CAL
A2
A1
A0
EN
LATCH
X
X
X
X
0
X
X
X
X
X
1
1
0
0
0
0
1
0
0
0
0
1
1
0
0
0
1
0
1
0
0
0
1
1
1
0
0
1
0
0
1
0
0
1
0
1
1
0
0
1
1
0
1
0
0
1
1
1
1
0
1
0
0
0
1
0
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
1
1
0
1
1
0
0
1
0
1
1
0
1
1
0
1
1
1
0
1
0
1
1
1
1
1
0
X = Don’t care
Truth Tables
COM
All switches and dividers open. COM is high-Z. Latch contents set
to all 1’s.
State is latched when LATCH is high.
NO1
NO2
NO3
NO4
NO5
NO6
NO7
NO8
(V+ / 2) Divider Mode, VCOM = 2048/4096 V+
REFHI
REFLO
(V+ - V-) Divider Mode , VCOM = 2560/4096 (V+ - V-)
GND
Gain Divider Mode, VCOM = 4081/4096 (VREFHI - VREFLO)
Offset Divider Mode, VCOM = 15/4096 (VREFHI - VREFLO)
All switches and dividers open. COM is high-Z.
MAX4540 (Dual 4-to-1 Cal-Mux)
CAL
A1
A0
EN
LATCH
X
X
X
0
X
X
X
X
1
1
0
0
0
1
0
0
0
1
1
0
0
1
0
1
0
0
1
1
1
0
1
0
0
1
0
1
0
1
1
0
1
1
0
1
0
1
1
1
1
0
X = Don’t care
COMA
All switches and dividers open.
COMA is high-Z.
State is latched
NO1A
NO2A
NO3A
NO4A
GND
Gain Divider Mode
Offset Divider Mode
All switches and dividers open.
COMA is high-Z.
COMB
All switches and dividers open.
COMB is high-Z.
State is latched
NO1B
NO2B
NO3B
NO4B
GND
REFLO
REFLO
All switches and dividers open.
COMB is high-Z.
______________________________________________________________________________________ 11
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