MUX506 Datasheet, PDF (27/38 Pages) Texas Instruments – 36-V, Low-Capacitance, Low-Leakage-Current, Precision Analog Multiplexers

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MUX506, MUX507
SBAS803 – NOVEMBER 2016
Feature Description (continued)
8.3.3 Bidirectional Operation
The MUX50x are operable as both a mux and demux. The source (Sx, SxA, SxB) and drain (D, DA, DB) pins of
the MUX50x are used either as input or output. Each MUX50x channel has very similar characteristics in both
directions.
8.3.4 Rail-to-Rail Operation
The valid analog signal for the MUX50x ranges from V_SS to V_DD. The input signal to the MUX50x swings from V_SS
to V_DD without any significant degradation in performance. The on-resistance of the MUX50x varies with input
signal, as shown in Figure 41
400
V_DD = 10 V, V_SS = -10 V
350
300 ^VDD ^{= 16.5 V, V}SS ^{= -16.5 V}
V_DD = 13.5 V, V_SS = -13.5 V
250
200
150
100
50
-18
V_DD = 18 V, V_SS = -18 V VDD = 15 V, VSS = -15 V
-14 -10 -6 -2 2 6 10 14 18
Source or Drain Voltage (V)
D001
Figure 41. On-resistance vs Source or Drain Voltage
8.4 Device Functional Modes
When the EN pin of the MUX50x is pulled high, one of the switches is closed based on the state of the address
lines. When the EN pin is pulled low, all the switches are in an open state irrespective of the state of the address
lines. The EN pin can be connected to V_DD (as high as 36 V).
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