Datasheet

MAX4800A/MAX4802A
Low-Charge-Injection, 8-Channel, High-Voltage
Analog Switches with 20MHz Serial Interface
6 _______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= +5V, V
PP
= +100V, V
NN
= -100V, T
A
= +25°C, unless otherwise noted.)
0
0.01 1010.1
I
DD
SUPPLY CURRENT
vs. CLOCK FREQUENCY
1.0
0.9
0.3
0.1
0.7
0.6
0.4
0.2
0.8
0.5
MAX4800A/2A toc01
CLOCK FREQUENCY (MHz)
I
DD
SUPPLY CURRENT (mA)
DIN = 01010101
DIN = 00000000
OFF-ISOLATION vs. FREQUENCY
MAX4800A/2A toc02
FREQUENCY (MHz)
OFF-ISOLATION (dB)
-65
-70
-75
-80
-85
-90
-95
-100
-60
110
R
S
= R
L
= 50Ω
0
10
5
20
15
25
30
0304010 20 50 60 70
ON-RESISTANCE
vs. TEMPERATURE
MAX4800A/2A toc03
TEMPERATURE (
°
C)
ON-RESISTANCE (Ω)
I
SW
= 5mA
I
SW
= 200mA
0
5
10
15
20
25
30
35
40
+40/
-160
+60/
-140
+80/
-120
+100/
-100
+120/
-80
+140/
-60
+160/
-40
ON-RESISTANCE
vs. V
PP
/V
NN
SUPPLY VOLTAGE
MAX4800A/2A toc04
V
PP
/V
NN
SUPPLY VOLTAGE (V)
ON-RESISTANCE (Ω)
T
A
= +70°C
T
A
= 0°C
T
A
= +25°C
0
40
20
100
80
60
160
140
120
180
0203010 40 50 60 70
CLK TO DOUT DELAY
vs. TEMPERATURE
MAX4800A/2A toc05
TEMPERATURE (
°
C)
t
DO
(ns)
V
DD
= +3V
V
DD
= +5V
0
1.0
2.0
4.0
5.0
6.0
0405020 3010 60 70 80 90 100
SUPPLY CURRENT
vs. SWITCHING FREQUENCY
MAX4800A/2A toc06
SWITCHING FREQUENCY (kHz)
SUPPLY CURRENT (mA)
I
NN
I
PP
I
DD
ALL SWITCHES OPERATING
ALL SWITCHES CONNECTED TO GND
3.0
0.20
0.25
0.35
0.30
0.40
0.45
SUPPLY CURRENT
vs. V
PP
/V
NN
SUPPLY VOLTAGE
MAX4800A/2A toc07
SUPPLY CURRENT (mA)
ONE SWITCH OPERATING
ALL SWITCHES CONNECTED TO GND
f
SW
= 50kHz
I
NN
I
PP
+40/
-160
+60/
-140
+80/
-120
+100/
-100
+120/
-80
+140/
-60
+160/
-40
V
PP
/V
NN
SUPPLY VOLTAGE (V)
0
1.0
0.5
2.0
1.5
3.0
2.5
3.5
LOGIC THRESHOLD
vs. V
DD
SUPPLY VOLTAGE
MAX4800A/2A toc08
V
DD
SUPPLY VOLTAGE (V)
LOGIC THRESHOLD (V)
23456
RISING
FALLING