
SiGe High-Linearity, 815MHz to 1000MHz
Downconversion Mixer with LO Buffer/Switch
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information
go to www.maxim-ic.com/packages .)
D2
D
D/2
k
C L
D2/2
b
0.10 M C A B
MARKING
AAAAA
E/2
L
E2/2
E
(NE-1) X e
C L
E2
PIN # 1
I.D.
DETAIL A
e
e/2
PIN # 1 I.D.
0.35x45?
e
(ND-1) X e
DETAIL B
L1
L
L
CL
e
e
C L
L
0.10 C
A
0.08 C
C
A1 A3
PACKAGE OUTLINE,
16, 20, 28, 32, 40L THIN QFN, 5x5x0.8mm
-DRAWING NOT TO SCALE-
21-0140
I
1
2
COMMON DIMENSIONS
EXPOSED PAD VARIATIONS
PKG.
**
PKG. 16L 5x5 20L 5x5 28L 5x5 32L 5x5 40L 5x5
SYMBOL MIN. NOM. MAX. MIN. NOM. MAX. MIN. NOM. MAX. MIN. NOM. MAX. MIN. NOM. MAX.
A 0.70 0.75 0.80 0.70 0.75 0.80 0.70 0.75 0.80 0.70 0.75 0.80 0.70 0.75 0.80
A1 0 0.02 0.05 0 0.02 0.05 0 0.02 0.05 0 0.02 0.05 0 0.02 0.05
A3 0.20 REF. 0.20 REF. 0.20 REF. 0.20 REF. 0.20 REF.
b 0.25 0.30 0.35 0.25 0.30 0.35 0.20 0.25 0.30 0.20 0.25 0.30 0.15 0.20 0.25
D 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10
E 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10
e 0.80 BSC. 0.65 BSC. 0.50 BSC. 0.50 BSC. 0.40 BSC.
k 0.25 - - 0.25 - - 0.25 - - 0.25 - - 0.25 0.35 0.45
L 0.30 0.40 0.50 0.45 0.55 0.65 0.45 0.55 0.65 0.30 0.40 0.50 0.40 0.50 0.60
L1 - - - - - - - - - - - - 0.30 0.40 0.50
N 16 20 28 32 40
ND 4 5 7 8 10
CODES MIN. NOM. MAX. MIN. NOM. MAX. –0.15
T1655-2 3.00 3.10 3.20 3.00 3.10 3.20 **
T1655-3 3.00 3.10 3.20 3.00 3.10 3.20 **
T1655N-1 3.00 3.10 3.20 3.00 3.10 3.20 **
T2055-3 3.00 3.10 3.20 3.00 3.10 3.20 **
T2055-4 3.00 3.10 3.20 3.00 3.10 3.20 **
T2055-5 3.15 3.25 3.35 3.15 3.25 3.35 0.40
T2855-3 3.15 3.25 3.35 3.15 3.25 3.35 **
T2855-4 2.60 2.70 2.80 2.60 2.70 2.80 **
T2855-5 2.60 2.70 2.80 2.60 2.70 2.80 **
T2855-6 3.15 3.25 3.35 3.15 3.25 3.35 **
T2855-7 2.60 2.70 2.80 2.60 2.70 2.80
L
D2 E2 exceptions
DOWN
BONDS
ALLOWED
YES
NO
NO
YES
NO
YES
YES
YES
NO
NO
YES
NE
4
5
7
8
10
T2855-8
3.15
3.25
3.35
3.15
3.25
3.35
0.40
YES
**
JEDEC WHHB WHHC WHHD-1 WHHD-2 -----
NOTES:
1. DIMENSIONING & TOLERANCING CONFORM TO ASME Y14.5M-1994.
2. ALL DIMENSIONS ARE IN MILLIMETERS. ANGLES ARE IN DEGREES.
3. N IS THE TOTAL NUMBER OF TERMINALS.
4. THE TERMINAL #1 IDENTIFIER AND TERMINAL NUMBERING CONVENTION SHALL
T2855N-1 3.15
T3255-3 3.00
T3255-4 3.00
T3255-5 3.00
T3255N-1 3.00
T4055-1 3.20
3.25
3.10
3.10
3.10
3.10
3.30
3.35
3.20
3.20
3.20
3.20
3.40
3.15 3.25 3.35 NO
3.00 3.10 3.20 ** YES
3.00 3.10 3.20 ** NO
3.00 3.10 3.20 ** YES
3.00 3.10 3.20 ** NO
3.20 3.30 3.40 ** YES
** SEE COMMON DIMENSIONS TABLE
CONFORM TO JESD 95-1 SPP-012. DETAILS OF TERMINAL #1 IDENTIFIER ARE
OPTIONAL, BUT MUST BE LOCATED WITHIN THE ZONE INDICATED. THE TERMINAL #1
IDENTIFIER MAY BE EITHER A MOLD OR MARKED FEATURE.
5. DIMENSION b APPLIES TO METALLIZED TERMINAL AND IS MEASURED BETWEEN
0.25 mm AND 0.30 mm FROM TERMINAL TIP.
6. ND AND NE REFER TO THE NUMBER OF TERMINALS ON EACH D AND E SIDE RESPECTIVELY.
7. DEPOPULATION IS POSSIBLE IN A SYMMETRICAL FASHION.
8. COPLANARITY APPLIES TO THE EXPOSED HEAT SINK SLUG AS WELL AS THE TERMINALS.
9. DRAWING CONFORMS TO JEDEC MO220, EXCEPT EXPOSED PAD DIMENSION FOR
T2855-3 AND T2855-6.
10. WARPAGE SHALL NOT EXCEED 0.10 mm.
11. MARKING IS FOR PACKAGE ORIENTATION REFERENCE ONLY.
12. NUMBER OF LEADS SHOWN ARE FOR REFERENCE ONLY.
13. LEAD CENTERLINES TO BE AT TRUE POSITION AS DEFINED BY BASIC DIMENSION "e", –0.05.
PACKAGE OUTLINE,
16, 20, 28, 32, 40L THIN QFN, 5x5x0.8mm
-DRAWING NOT TO SCALE-
21-0140
I
2
2
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
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? 2006 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products, Inc.