Datasheet
MAX4521/MAX4522/MAX4523
Quad, Low-Voltage, SPST Analog Switches
_______________________________________________________________________________________ 7
100
0.001
10 1k100 100k10k
TOTAL HARMONIC DISTORTION
vs. FREQUENCY
0.01
MAX4521/2/3-TOC10
FREQUENCY (Hz)
THD (%)
0.1
1
10
V+ = +5V
V- = -5V
600
Ω
IN AND OUT
0
-10
-90
0.01 0.1 1 10 100 300
FREQUENCY RESPONSE
-80
-70
MAX4521/2/3-TOC11
FREQUENCY (MHz)
LOSS (dB)
PHASE (DEGREES)
-50
-60
-40
-20
-30
5
0
-40
-35
-30
-20
-25
-15
-5
-10
INSERTION LOSS
50
Ω
IN/OUT
OFF-ISOLATION
ON-PHASE
Typical Operating Characteristics (continued)
(V+ = +5V, V- = -5V, GND = 0, T
A
= +25°C, unless otherwise noted.)
Pin Description
*NO_ (or NC_) and COM_ pins are identical and interchangeable. Either may be considered as an input or output; signals pass
equally well in either direction.
PIN
MAX4521 MAX4522 MAX4523
TSSOP/SO
QFN
TSSOP/SO
QFN
TSSOP/SO
QFN
NAME FUNCTION
1, 16, 9, 8
15, 14, 7, 6 1, 16, 9, 8 15, 14, 7, 6 1, 16, 9, 8 15, 14, 7, 6
IN1–1N4 Logic-Control Digital Input
2, 15, 10, 7
16, 13, 8, 5 2, 15, 10, 7 16, 13, 8, 5 2, 15, 10, 7 16, 13, 8, 5 COM1–COM4
Analog Switch Common* Terminals
3, 14, 11, 6
1, 12, 9, 4
————
NC1–NC4
Analog Switch Normally Closed
Terminals
——
3, 14, 11, 6 1, 12, 9, 4
——
NO1–NO4
Analog Switch Normally Open
Terminals
— — — — 3, 6 1, 4
NO1, NO4
Analog Switch Normally Open
Terminals
— — — — 14, 11 12, 9
NC2, NC3
Analog Switch Normally Closed
Terminals
424242 V-
Negative Analog Supply-Voltage
Input. Connect to GND for single
supply operation.
535353GND
Ground. Connect to digital ground.
(Analog signals have no ground
reference; they are limited to V+
and V-.)
12 10 12 10 12 10 N.C.
No Connection. Not internally
connected.
13 11 13 11 13 11 V+
Positive Analog and Digital Supply-
Voltage Input. Internally connected
to substrate.
— EP — EP — EP EP Exposed Pad. Connect EP to V+.