Datasheet

MAX378/MAX379
High-Voltage, Fault-Protected
Analog Multiplexers
4 _______________________________________________________________________________________
1m
10p
-100 -50 50 100
INPUT LEAKAGE vs.
INPUT VOLTAGE WITH V+ = V- = 0V
1n
10µ
MAX378-1
V
IN
(V)
INPUT CURRENT (A)
0
100n
100p
10n
100µ
1µ
-80V
+80V
OPERATING
RANGE
100µ
1p
-120 -60 60 120
OFF CHANNEL LEAKAGE CURRENT vs.
INPUT VOLTAGE WITH ±15V SUPPLIES
100p
1µ
MAX378-2
V
IN
(V)
I
IN(OFF)
(A)
0
10n
10p
1n
10µ
100n
OPERATING
RANGE
-60V
+60V
10n
1p
-120 -60 60 120
OUTPUT LEAKAGE CURRENT vs. OFF CHANNEL
OVERVOLTAGE WITH ±15V SUPPLIES
100p
MAX378-3
V
IN(OFF)
(V)
I
OUT(OFF)
(A)
0
10p
1n
OPERATING
RANGE
-60V
+60V
0
-10 -5 5 15-15 0 20
DRAIN-SOURCE ON-RESISTANCE vs.
ANALOG INPUT VOLTAGE
MAX3784
ANALOG INPUT (V)
R
DS(ON)
(kΩ)
10
1
3
2
4
5
6
7
±5V
SUPPLIES
±15V
SUPPLIES
+13V
+13V
+3.5V +4V
__________________________________________Typical Operating Characteristics
NOTE: Typical R
DS(ON)
match @ +10V
Analog in (±15V supplies) = 2%
for lowest to highest R
DS(ON)
channel; @ -10V Analog in,
match = 3%.
MAX378
GND
14pF
PROBE
OUT
+V
AH
IN8
IN2-IN7
IN1
IN2
A2
A1
V
A
MAX378: V
AH
= 3.0V
0V
-10V
OUTPUT A
90%
+10V
50%
t
A
A0
10V
±
EN
10M
50Ω
±10V
ADDRESS
DRIVE (V
A
)
Figure 1. Access Time vs. Logic Level (High)