MAX4691–MAX4694
Low-Voltage 8:1 Mux/Dual 4:1 Mux/Triple SPDT/
Quad SPDT in UCSP Package
_______________________________________________________________________________________ 9
Pin Description
TQFN-EP
NAME FUNCTION
A4, B4, C 4,
D 4, A1, B1,
C 1, D 1
16, 1, 3, 4,
12, 11, 9, 8
X0–X7 Analog Switch Inputs 0–7
A2 13 X Analog Switch Common
5, 7, 15 A, B, C Digital Address Inputs
B2 14 V- Negative Analog Supply Voltage Input. Connect V- to GND for single-supply operation.
B3 2 GND
Ground. Connect to digital ground. (Analog signals have no ground reference; they are
limited to V+ and V-.)
C2 10 EN
Digital Enable Input. Normally connect EN to GND. EN can be driven to logic high to
set all switches off.
C3 6 V+ Positive Analog and Digital Supply Voltage Input
— — EP Exposed Pad (QFN and TQFN only). Connect EP to V+.
TQFN-EP
NAME FUNCTION
A1, B1, C 1,
D 1
12, 11, 9, 8
X0–X3 Analog Switch “X” Inputs 0–3
A4, B4, C 4,
D 4
16, 1, 3, 4
Y0–Y3 Analog Switch “Y” Inputs 0–3
A2 13 X Analog Switch “X” Common
A3 15 Y Analog Switch “Y” Common
D 3, D 2 5, 7 A, B Digital Address Inputs for both “X” and “Y” Analog Switches
B2 14 V-
Negative Analog Supply Voltage Input. Connect V- to GND for single-supply
B3 2 GND
Ground. Connect to digital ground. (Analog signals have no ground reference;
they are limited to V+ and V-.)
C2 10 EN
Digital Enable Input. Normally connect EN to GND. EN can be driven to logic high to
set all switches off.
C3 6 V+ Positive Analog and Digital Supply Voltage Input
— — EP Exposed Pad (QFN and TQFN only). Connect EP to V+.