Datasheet

______________________________________________________________________________________ 15
MAX4936–MAX4939
Octal High-Voltage Transmit/Receive Switches
Table 1. Serial Interface Programming
L = Low, H = High, X = Don’t care.
Table 2. Diode Bias Current
*V
EE
= -V
CC
DATA BITS
CONTROL
BITS
FUNCTION
D0
(LSB)
D1 D2 D3 D4 D5 D6 D7 D8 D9 D10
D11
(MSB)
LE
CLR SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 S0 S1 S2 S3
L L L Off
H L L On
L L L Off
H L L On
L L L Off
H L L On
L L L Off
H L L On
L L L Off
H L L On
L L L Off
H L L On
L L L Off
H L L On
L L L Off
H L L On
L L L Off
H L L On
L L L Off
H L L On
L L L Off
H L L On
L L L Off
H L L On
X X X X X X X X X X X X H L Hold Previous State
X X X X X X X X X X X X X H Off Off Off Off Off Off Off Off Off Off Off Off
SWITCHES
RESISTORS (I)
RESISTOR
COMBINATION
TYPICAL DIODE BRIDGE CURRENT
(mA) vs. S[3:0] CONTROL BITS (*)
S3 S2 S1 S0 R3 R2 R1 R0
(I)
V
CC
= 3.0V V
CC
= 5.0V
0 0 0 0 350 700 1400 2800 — 0 0
0 0 0 1 350 700 1400 2800 2800 0.78 1.50
0 0 1 0 350 700 1400 2800 1400 1.58 3.00
0 0 1 1 350 700 1400 2800 933 2.36 4.50
0 1 0 0 350 700 1400 2800 700 3.14 6.00
0 1 0 1 350 700 1400 2800 560 3.98 7.50
0 1 1 0 350 700 1400 2800 467 4.72 9.00
0 1 1 1 350 700 1400 2800 400 5.50 10.50
1 0 0 0 350 700 1400 2800 350 6.28 12.00
1 0 0 1 350 700 1400 2800 311 7.08 13.50
1 0 1 0 350 700 1400 2800 280 7.86 15.00
1 0 1 1 350 700 1400 2800 255 8.64 16.50
1 1 0 0 350 700 1400 2800 233 9.42 18.00
1 1 0 1 350 700 1400 2800 215 10.22 19.50
1 1 1 0 350 700 1400 2800 200 11.00 21.00
1 1 1 1 350 700 1400 2800 187 11.78 22.50