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MAX4578CWP+

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
MAX4578/MAX4579
High-Voltage, Single 8-to-1/
Dual 4-to-1 Cal-Multiplexers
16 ______________________________________________________________________________________
∆V
OUT
+5V
0V
LOGIC
INPUT
V
EN
+15V
V
COM
-15V
GND
V+
A1
V-
A0
EN
COM
MAX4578
C
L
= 100pF
V
COM
NO_
CHANNEL
SELECT
R
S
V
S
OFFON ON
∆V
OUT
IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER
ERROR Q WHEN THE CHANNEL TURNS OFF.
Q = ∆V
OUT
·
C
L
A2
CAL
LATCH
∆V
OUT
+5V
0V
LOGIC
INPUT
V
EN
+15V
V
COM
GND
V+
A1
V-
A0
EN
COMA
MAX4579
C
L
= 100pF
V
COM
NO_
CHANNEL
SELECT
R
S
V
S
OFFON ON
∆V
OUT
IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER
ERROR Q WHEN THE CHANNEL TURNS OFF.
Q = ∆V
OUT
·
C
L
CAL
LATCH
-15V
Figure 4. Charge Injection
_________________________________Test Circuits/Timing Diagrams (continued)
MAX4578/MAX4579
High-Voltage, Single 8-to-1/
Dual 4-to-1 Cal-Multiplexers
______________________________________________________________________________________ 17
MEASUREMENTS ARE STANDARDIZED AGAINST SHORT AT SOCKET TERMINALS.
OFF-ISOLATION IS MEASURED BETWEEN COM AND “OFF” TERMINAL ON EACH SWITCH.
ON LOSS IS MEASURED BETWEEN COM AND “ON” TERMINAL ON EACH SWITCH.
NOTES:
+15V
V+
V+
V
COM
GND
V-
CALLATCH
-15V
10nF
V+
A
EN
NO_
COM_
V
IN
MAX4578
MAX4579
OFF-ISOLATION = 20log
V
OUT
V
IN
CROSSTALK = 20log
V
OUT
V
IN
NETWORK
ANALYZER
50Ω
50Ω 50Ω
50Ω
MEAS. REF
10nF
Figure 5. Off-Isolation/Crosstalk
_________________________________Test Circuits/Timing Diagrams (continued)
CAL,
GND
LATCH,
EN
+15V
-15V
V+
A2
V-
A1
A0
NO8
MAX4578
CHANNEL
SELECT
NO1
COM
1MHz
CAPACITANCE
ANALYZER
f = 1MHz
CAL,
GND
LATCH,
EN
+15V
-15V
V+
V-
A1
A0
NO4A
MAX4579
CHANNEL
SELECT
NO1A
COMA
1MHz
CAPACITANCE
ANALYZER
f = 1MHz
Figure 6. NO_/COM_ Capacitance
MAX4578/MAX4579
High-Voltage, Single 8-to-1/
Dual 4-to-1 Cal-Multiplexers
18 ______________________________________________________________________________________
LATCH
LATCH
NO2
+5V
+15V
-15V
NO1, NO3–NO8
A1
A2
CAL
A0
COM
ADDRESS (A_)
t
MPW
V
IN
V
IL
t
S
t
H
50% 50%
NOTE: TIMING MEASUREMENT REFERENCE LEVEL IS
V
IH
- V
IL
2
MAX4578
EN V+
V-GND
LATCH
LATCH
NO2
EN V+
V-GND
+15V
+5V
-15V
NO1, NO3–NO8
A1
A2
CAL
A0
COM
EN
50%
t
ES
50%
MAX4578
Figure 7. Setup Time, Hold Time, Latch Pulse Width Figure 8. Enable Setup Time
_________________________________Test Circuits/Timing Diagrams (continued)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

MAX4578CWP+

Mfr. #:
Buy MAX4578CWP+
Manufacturer:
Maxim Integrated
Description:
Multiplexer Switch ICs 8:1 Calibration MUX
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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