
MAX14504/MAX14505/MAX14505A/MAX14506
Dual SPDT Negative Rail Analog Switches
with ±VCC Capability
_______________________________________________________________________________________
7
Test Circuits/Timing Diagrams
tR < 5ns
tF < 5ns
50%
VIL
LOGIC
INPUT
RL
VCC
GND
NEG
VCC
VOUT = VIN_
(
RON
)
RON + RL
VN_= 0V
VN_= VNO_ OR VNC_
VIH
tOFF
0V
NO_
OR NC_
VREF = 1.5V
0.8 x V0UT
0.2 x VOUT
tON
VOUT
SWITCH
OUTPUT
LOGIC
INPUT
VOUT
CB OR
EN
MAX14504/
MAX14505/
MAX14505A/
MAX14506
CNEG
Figure 1. Switching Time
VCC
GND
NEG
VCC
CNEG
COM1
NO1*
MEASUREMENTS ARE STANDARDIZED AGAINST SHORTS AT IC TERMINALS.
OFF-ISOLATION IS MEASURED BETWEEN COM_ AND OFF. NO_ OR NC_ TERMINAL
ON EACH CROSSTALK IS MEASURED FROM ONE CHANNEL TO THE OTHER CHANNEL.
SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
*FOR CROSSTALK, THIS PIN IS NO2.
NC2 AND COM2 ARE OPEN.
NC1
0.1
F
VIN
VOUT
NETWORK
ANALYZER
50
50
50
50
50
MEAS
REF
MAX14504/
MAX14505/
MAX14505A/
MAX14506
CB
0V OR
VCC
OFF-ISOLATION = 20log
CROSSTALK = 20log
VIN
VOUT
(
)
VIN
VOUT
(
)
Figure 2. Off-Isolation and Crosstalk