PRELIMINARY
CM1637
PACKAGE / PINOUT DIAGRAMS
BOTTOM VIEW
TOP VIEW
TOP VIEW
BOTTOM VIEW
(Pins Down View)
8
(Pins Up View)
(Pins Down View)
12 11 10 7
(Pins Up View)
1 2 3 4 5 6
7
6
5
1
2
3
4
9
8
GND
PAD
GND
PAD
P37E
GE
Pin 1
Marking
Pin 1
Marking
8
7
6
5
12 11 10 9 8 7
1
2
3
4
1
2
3
4
5
6
CM1637-04DE
8 Lead UDFN Package
CM1637-06DE
12 Lead UDFN Package
TOP VIEW
BOTTOM VIEW
(Pins Down View)
(Pins Up View)
16 15 14 13 12 11 10
9
1 2 3 4 5 6 7 8
GND
PAD
P378E
Pin 1
Marking
Notes:
1
2
3
4
5
6
7
8
16 15 14 13 12 11 10 9
1) This drawing is not to scale.
2) See Ordering Information section
below for device specific marking.
CM1637-08DE
16 Lead UDFN Package
PIN DESCRIPTIONS
Pins
Pins
1637-
04Dx
1637-
06Dx
1637-
08Dx
1637-
04Dx
1637-
06Dx
1637-
08Dx
NAME
DESCRIPTION
Filter Channel 1
Filter Channel 2
Filter Channel 3
Filter Channel 4
Filter Channel 5
Filter Channel 6
Filter Channel 7
Filter Channel 8
Device Ground
NAME
DESCRIPTION
Filter Channel 1
Filter Channel 2
Filter Channel 3
Filter Channel 4
Filter Channel 5
Filter Channel 6
Filter Channel 7
Filter Channel 8
1
2
3
4
1
2
3
4
5
6
1
2
3
4
5
6
7
8
FILTER1
FILTER2
FILTER3
FILTER4
FILTER5
FILTER6
FILTER7
FILTER8
GND
8
7
6
5
12
11
10
9
16
15
14
13
12
11
10
9
FILTER1
FILTER2
FILTER3
FILTER4
FILTER5
FILTER6
FILTER7
FILTER8
8
7
GND Pad
Ordering Information
PART NUMBERING INFORMATION
Lead-free Finish
Ordering Part Number1
Leads/Pins
Package
UDFN-08
UDFN-12
UDFN-16
Part Marking
GE
8
CM1637-04DE
CM1637-06DE
CM1637-08DE
12
16
P37E
P378E
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.
© 2006 California Micro Devices Corp. All rights reserved.
2
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
●
Tel: 408.263.3214
●
Fax: 408.263.7846
●
www.cmd.com 09/20/06
CALMIRCO [ CALIFORNIA MICRO DEVICES CORP ]
