Cirrus Logic CS4207 - Manual (Page 146)

146 DS880F4
CS4207
10.QFN PACKAGE DIMENSIONS
THERMAL CHARACTERISTICS
DIM MIN NOM MAX
A
0.70 0.75 0.80
A1
0.00 0.05
A3
0.20 BSC
b
0.15 0.20 0.25
D
6.00 BSC
D2
4.55 4.60 4.65
E
6.00 BSC
E2
4.55 4.60 4.65
e
0.40 BSC
L
0.30 0.40 0.50
Parameter Symbol Min Typ Max Units
Junction to Ambient Thermal Impedance 4 Layer Board
Junction to Case Thermal Impedance 4 Layer Board

JA

JC
-
- 24
10 -
- °C/W
°C/W
SIDE VIEW
PLANE
SEATING
TOP VIEW
1
BTM VIEW
D
E
A
A1
A3
D2
E2
L
e
b
Notes:
1) Controlling dimensions are in mm.
2) Dimensioning and tolerancing conform to ASME Y14.5m-1994
3) Dimension b applies to the metallized terminal and is measured between 0.15 mm
and 0.30 mm from the terminal tip.
4) Reference JEDEC MO-229
48L QFN (6 X 6 mm body) Package Drawing