Datasheet

______________________________________________________________________________________ 17
MAX4936–MAX4939
Octal High-Voltage Transmit/Receive Switches
Figure 6. Ultrasound T/R Path with One Transmit per Receive Channel and External Isolation (One Channel Only)
Application Diagrams (continued)
Figure 7. Ultrasound T/R Path with Multiple Transmits per Receive Channel
V
EE
GND
V
CC
NO_
CLK
DIN
DOUT
CLR
LE
COM_
V
DD
RELAY
MUX
CONNECTORS
HV
MUX
TRANSDUCERS
SPI
CONTROL
-5V
RCV
XMT
+5V
+3V
HV
MUX
HV
MUX
MAX4937/MAX4939
RECEIVE PATH
TRANSMIT PATH
< ±100V
COM_
COM_
HV_
< ±100V
HV_
NO_ < 500mV
NO_ < 500mV
RELAY
MUX
CONNECTORS
HV
MUX
TRANSDUCERS
HV
MUX
HV
MUX
MAX4936
LNA
DRIVER
DRIVER
V
CC
V
EE
V
CC
V
EE
V
CC
V
EE
V
CC
V
EE