SM6500AA-2
NIPPON PRECISION CIRCUITS INC.
RC Network with ESD Protection
OVERVIEW
The SM6500AA-2 is an RC network with built-in ESD protection diode. It is ideal for applications such as
IEEE1284 parallel port terminator filters where ESD protection and EMI noise elimination are required.
FEATURES
■
IEEE1284 parallel port terminator filter and integrated protection devices
■
EMI noise elimination filter
■
ESD protection: ± 8kV (contact discharge)
■
28-pin QSOP package
*1: Typ ic al value
*1
PACKAGE DIMENSIONS
(Unit: mm)
9.89 ± 0.09
0.22 ± 0.03
0.635
0.25 ± 0.05
ORDERING INFORMATION
De vice Pack ag e
SM6500AA-2 28-pin QSOP
0.10
3.90 ± 0.09
−0.1
+0.05
0.2
−0.21
+0.2
6.0
1.47 ± 0.1
0 to 8
0.355
7 ± 3
0.835 ± 0.435
NIPPON PRECISION CIRCUITS—1
CIRCUIT DIAGRAM
SM6500AA-2
R1
1
2
3
4
5
6
721
8
10
11
12
13
R1
R1
R1
R1
C
C
R1
R2
C
R1
R2
C
R1
R2
C
R1
R2
C
R1
R2
C
C
R2
C
R2
C
R2
R1
C
R1
C
R1
C
R1
28
C
R1
27
C
26
25
24
23
22
20
199
18
17
R1
14
R2
16
C
R1
15
C
NIPPON PRECISION CIRCUITS—2
PIN DESCRIPTION
(Top view)
128
2
3
4
5
6
7
8
9
10
11
12
13
14
27
26
SM6500AA
25
24
23
22
21
20
19
18
17
16
15
SM6500AA-2
Number Description
1 ESD protection circuit with pull-up resistor.
Circuit diagram
2
8
10
12
15
27
28
Input Outp ut Terminator filter circuit
326
425
524
623
721
919
11 18
13 17
14 16
20 Supply
22 Ground
■
Circuit diagram
■
220pF
Input Output
R2
33Ω
220pF
CC
V
R1
2.2kΩ
C
VCC
R1
2.2kΩ
C
NIPPON PRECISION CIRCUITS—3
SM6500AA-2
ELECTRICAL CHARACTERISTICS
Parameter Condition Rating Unit
DC resistance
R1 2.2 k
R2 33
Resistance variation ±15 %
Resistance temperature coefficient 500 ± 350 pp m
Resistance power rating 100 m W
Electrostatic capacitance 220 pF
Electrostatic capacitance variation ±15 %
Diode maximum leakage current 25
For ward clamp voltage
Re verse clamp voltage +1µA, 25
Maximum operating voltage V
°
C, max V
−
1µA, 25
CC
CC
°
C 7.5 ± 1 V
°
C 7.0 ± 1 V
1µA
6V
Maximum power dissipation 1W
Ope rating temperature range
−
20 to 85
Ω
Ω
°
C
FILTER INSERTION LOSS (typical characteristics)
S
(Ta = 25 ° C) S
12
0
-10
-20
-30
Gain (dB)
-40
-50
-60
1.00E+05 1.00E+06 1.00E+07 1.00E+08 1.00E+09 1.00E+10
Frequency (Hz)
Measurement Circuit (pin 14 to pin 16)
R2
(Ta = 25 ° C)
21
0
-10
-20
-30
Gain (dB)
-40
-50
-60
1.00E+05 1.00E+06 1.00E+07 1.00E+08 1.00E+09 1.00E+10
R1
C
Frequency (Hz)
1614
HP8 753 B Ne twork Analyzer
HP85046A S-parameter Test Set
NIPPON PRECISION CIRCUITS—4
SM6500AA-2
NIPPON PRECISION CIRCUITS INC. reserves the right to make changes to the products described in this data sheet in order to
improve the design or performance and to supply the best possible products. Nippon Precision Circuits Inc. assumes no responsibility for
the use of any circuits shown in this data sheet, conveys no license under any patent or other rights, and makes no claim that the circuits
are free from patent infringement. Applications for any devices shown in this data sheet are for illustration only and Nippon Precision
Circuits Inc. makes no claim or warranty that such applications will be suitable for the use specified without further testing or modification.
The products described in this data sheet are not intended to use for the apparatus which influence human lives due to the failure or
malfunction of the products. Customers are requested to comply with applicable laws and regulations in effect now and hereinafter,
including compliance with export controls on the distribution or dissemination of the products. Customers shall not export, directly or
indirectly, any products without first obtaining required licenses and approvals from appropriate government agencies.
NIPPON PRECISION CIRCUITS INC.
4-3, Fukuzumi 2-chome
Koto-ku, Tokyo 135-8430, Japan
Telephone: +81-3-3642-6661
NIPPON PRECISION CIRCUITS INC.
Facsimile: +81-3-3642-6698
http://www.npc.co.jp/
Email: sales
npc.co.jp
@
NIPPON PRECISION CIRCUITS—5
NC9908AE 2000.10
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