CP2109-A01-GM View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

CP2109-A01-GM

SINGLE-CHIP USB-TO-UART BRIDGE

Silicon Laboratories 

5. QFN-28 Package Specifications

CP2102/9

Figure 3. QFN-28 Package Drawing

Table 10. QFN-28 Package Dimensions

Dimension

A

A1

A3

b

D

D2

e

E

E2

Min

Typ

Max

0.80

0.90

1.00

0.00

0.02

0.05

0.25 REF

0.18

0.23

0.30

5.00 BSC.

2.90

3.15

3.35

0.50 BSC.

5.00 BSC.

2.90

3.15

3.35

Dimension Min

Typ

Max

L

0.35

0.55

0.65

L1

0.00

—

0.15

aaa

0.15

bbb

0.10

ddd

0.05

eee

0.08

Z

0.44

Y

0.18

Notes:

1. All dimensions shown are in millimeters (mm) unless otherwise noted.

2. Dimensioning and Tolerancing per ANSI Y14.5M-1994.

3. This drawing conforms to the JEDEC Solid State Outline MO-220, variation VHHD except for

custom features D2, E2, Z, Y, and L, which are toleranced per supplier designation.

4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small Body

Components.

Rev. 1.8

13

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