Datasheet
MAX4638/MAX4639
3.5
Ω
, Single 8:1 and Dual 4:1,
Low-Voltage Analog Multiplexers
13
Maxim Integrated
Chip Information
PROCESS: BiCMOS
16
15
14
13
EN
A0
A1
A2
9
EP*
*CONNECT EP TO V-
*CONNECT EP TO V-
EP*
EP*
EP*
10
11
12
NO6
NO5
V+
GND
4
3
2
1
NO3
NO2
NO1
V-
5
6
7
8
NO4
COM
NO8
NO7
MAX4638
16
15
14
13
EN
A0
A1
GND
9
10
11
12
NO3B
NO2B
NO1B
V+
4
3
2
1
NO3A
NO2A
NO1A
V-
5
6
7
8
NO4A
COMA
COMB
NO4B
MAX4639
TOP VIEW
20
19
18
17
N.C.
A0
A1
A2
16 N.C.
13
12
11
14
15
NO6
NO5
V+
GND
NO7
4
3
2
1
+
+
++
NO2
NO1
V-
EN
5NO3
6
7
8
9
NO4
COM
N.C.
N.C.
10NO8
MAX4638
TQFN
20
19
18
17
N.C.
A0
N.C.
A1
16 N.C.
13
12
11
14
15
NO2B
NO1B
V+
GND
NO3B
4
3
2
1
NO2A
NO1A
V-
EN
5NO3A
6
7
8
9
NO4A
COMA
N.C.
COMB
10NO4B
MAX4639
TQFN
TQFN TQFN
Pin Configurations (continued)
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.
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
PACKAGE
CODE
OUTLINE
NO.
LAND
PATTERN NO.
16 TQFN T1644+4
21-0139 90-0070
20 TQFN T1644+3
21-0139 90-0069
16 TSSOP U16+2
21-0066 90-0117
16 SO S16+3
21-0041 90-0097