MAX14802/MAX14803/MAX14803A
Low-Charge Injection, 16-Channel,
High-Voltage Analog Switches
HV TRANSMIT
1 PER CHANNEL
±100V MAX
MAINFRAME
HV ANALOG
SWITCHES
2 TO 4 PER CHANNEL
LV RECEIVE
64 TO 128 CHANNELS
±1V MAX
+V
10mA TYP
HIGH-
VOLTAGE
ISOLATION
-V
PROBE SELECTION
2 TO 4 PROBES
PROBES
CABLE
TRANSDUCERS
2 TO 4 PER CHANNEL 2 TO 4 PER CHANNEL
±1 TO 2A MAX
RELAYS
PROBE
2 TO 4 RELAYS/CH/PROBE
A
PROBE
B
PROBE
C
PROBE
D
Figure 5. Medical Ultrasound Application—High-Voltage Analog Switches in Mainframe
Maxim Integrated
15