cs4271 Cirrus Logic, Inc., cs4271 Datasheet - Page 46

• Manufacturer Part Number: cs4271
• Description: 24-bit, 192 Khz Stereo Audio Codec
• Manufacturer: Cirrus Logic, Inc.

10.PACKAGE DIMENSIONS
Notes: 1. “D” and “E1” are reference datums and do not included mold flash or protrusions, but do include mold
THERMAL CHARACTERISTICS AND SPECIFICATIONS
Notes: 4. θ
46
Package Thermal Resistance (Note 4)
Allowable Junction Temperature
DIM
A1
A2
E1
∝
D
A
b
E
e
L
1 2 3
N
2. Dimension “b” does not include dambar protrusion/intrusion. Allowable dambar protrusion shall be
3. These dimensions apply to the flat section of the lead between 0.10 and 0.25 mm from lead tips.
TOP VIEW
mismatch and are measured at the parting line, mold flash or protrusions shall not exceed 0.20 mm per
side.
0.13 mm total in excess of “b” dimension at maximum material condition. Dambar intrusion shall not
reduce dimension “b” by more than 0.07 mm at least material condition.
JA
0.378 BSC
is specified according to JEDEC specifications for multi-layer PCBs.
0.00748
0.03150
0.002
0.248
0.169
0.020
MIN
28L TSSOP (4.4 mm BODY) PACKAGE DRAWING
0°
--
--
Parameters
E
0.382 BSC
0.026 BSC
INCHES
0.0096
0.2519
0.1732
0.004
0.024
NOM
0.035
4°
--
Controlling Dimension is Millimeters.
e
SIDE VIEW
D
0.386 BSC
JEDEC #: MO-153
0.006
0.012
0.256
0.177
0.029
MAX
0.47
b
0.04
8°
28-TSSOP
2
--
A2
A1
9.60 BSC
Symbol
SEATING
0.05
0.80
0.19
6.30
4.30
0.50
MIN
PLANE
A
0°
θ
θ
--
--
JC
JA
MILLIMETERS
Min
9.70 BSC
0.65 BSC
-
-
-
L
0.245
NOM
0.10
0.90
6.40
4.40
0.60
4°
--
Typ
37
13
-
END VIEW
E1
1
9.80 BSC
Max
MAX
135
1.20
0.15
1.00
0.30
6.50
4.50
0.75
8°
-
-
--
CS4271
DS592F1
°C/Watt
°C/Watt
Units
NOTE
°C
2,3
1
1
∝