Rainbow-electronics AT42QT1040 Manual de usuario descargar pdf (Pagina 15)

9524A–AT42–03/09

AT42QT1040

5.6 Mechanical Dimensions

TITLE

DRAWING NO. GPC

REV.

Package Drawing Contact:

packagedrawings@atmel.com

20M2 ZFC B

20M2, 20-pad, 3 x 3 x 0.85 mm Body, Lead Pitch 0.45 mm,

1.55 x 1.55 mm Exposed Pad, Thermally Enhanced

Plastic Very Thin Quad Flat No Lead Package (VQFN)

10/24/08

16 17 18 19 20

10 9 8 7 6

Pin #1 Chamfer

(C 0.3)

SIDE VIEW

Pin 1 ID

BOTTOM VIEW

TOP VIEW

C0.18 (8X)

0.3 Ref (4x)

COMMON DIMENSIONS

(Unit of Measure = mm)

SYMBOL

MIN

NOM

MAX

NOTE

A 0.75 0.80 0.85

A1 0.00 0.02 0.05

b 0.17 0.22 0.27

C 0.152

D 2.90 3.00 3.10

D2 1.40 1.55 1.70

E 2.90 3.00 3.10

E2 1.40 1.55 1.70

e – 0.45 –

L 0.35 0.40 0.45

K 0.20 – –

y 0.00 – 0.08

1 2 ... 10 11 12 13 14 15 16 17 18

Sensor IC 1
AT42QT1040 1

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