MAX4638/MAX4639
3.5Ω, Single 8:1 and Dual 4:1,
Low-Voltage Analog Multiplexers
Pin Configurations (continued)
TOP VIEW
+
V- 1
NO1 2
NO2 3
NO3 4
12 GND
11 V+
MAX4638
10 NO5
EP* 9 NO6
+
V- 1
NO1A 2
NO2A 3
NO3A 4
MAX4639
EP*
12 V+
11 NO1B
10 NO2B
9 NO3B
TQFN
*CONNECT EP TO V-
TQFN
+
EN 1
V- 2
NO1 3
NO2 4
NO3 5
MAX4638
EP*
15 GND
14 V+
13 NO5
12 NO6
11 NO7
+
EN 1
V- 2
NO1A 3
NO2A 4
NO3A 5
MAX4639
EP*
15 GND
14 V+
13 NO1B
12 NO2B
11 NO3B
TQFN
*CONNECT EP TO V-
TQFN
Ordering Information (continued)
PART
TEMP RANGE PIN-PACKAGE
MAX4639ETE+T -40°C to +85°C 16 TQFN-EP* (4 4)
MAX4639EUE+T -40°C to +85°C 16 TSSOP
MAX4639ESE+T -40°C to +85°C 16 SO
MAX4639ETP+T -40°C to +85°C 20 TQFN-EP* (4 4)
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
*EP = Exposed pad.
Chip Information
PROCESS: BiCMOS
Package Information
For the latest package outline information and land patterns (foot-
prints), go to www.maximintegrated.com/packages. Note that a
“+”, “#”, or “-” in the package code indicates RoHS status only.
Package drawings may show a different suffix character, but the
drawing pertains to the package regardless of RoHS status.
PACKAGE
TYPE
16 TQFN
20 TQFN
16 TSSOP
16 SO
PACKAGE
CODE
T1644+4
T1644+3
U16+2
S16+3
OUTLINE
NO.
21-0139
21-0139
21-0066
21-0041
LAND
PATTERN NO.
90-0070
90-0069
90-0117
90-0097
Maxim Integrated
13