SP3487CT-L [SIPEX]
Line Driver, 4 Func, 4 Driver, BICMOS, PDSO16, LEAD FREE, MS-013AA, SOIC-16;
| 型号： | SP3487CT-L |
| 厂家： | 
SIPEX CORPORATION |
| 描述： | Line Driver, 4 Func, 4 Driver, BICMOS, PDSO16, LEAD FREE, MS-013AA, SOIC-16 信息通信管理 光电二极管 |
| 文件： | 总9页 (文件大小：178K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
®
SP3486 and SP3487
+3.3V Low Power Quad
RS-485/RS-422 Line Drivers
■ RS-485 or RS-422 Quad Differential
Line Drivers
■ Operates from a single +3.3V supply
■ Interoperable with +5.0V logic
■ Tri-state Output Control
■ -7V to +12V Common-Mode Input
Voltage Range
■ Common Driver Enable Control (SP3486)
■ Independent Driver Enable Controls for
each pair of Drivers (SP3487)
■ Compatibility with LTC486
and SN75172 (SP3486)
■ Compatibility with LTC487
and SN75174 (SP3487)
Now Available in Lead Free Packaging
DESCRIPTION
The SP3486 and the SP3487 are +3.3V low power quad drivers that meet the specifications
of the RS-485 and RS-422 serial protocols. These devices are pin-to-pin compatible with
Sipex's SP486 and SP487 devices as well as popular industry standards. The SP3486 and
SP3487 feature Sipex's BiCMOS process allowing low power operation without sacrificing
performance. The SP3486 and SP3487 meet the electrical specifications of RS-485 and
RS-422 serial protocols up to 10Mbps under load. The SP3486 features a common driver
enable control. The SP3487 provides independent driver enable controls for each pair of
drivers. Bothdevicesfeaturetri-stateoutputsanda-7Vto+12Vcommon-modeinputvoltage
range.
DI1
DO1A
DO1B
EN
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VCC
DI1
DO1A
DO1B
EN1/EN2
DO2B
DO2A
DI2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VCC
SP3486
4
SP3487
4
1
1
DI4
DI4
DO4A
DO4B
EN
DO4A
DO4B
EN3/EN4
DO3B
DO3A
DI3
DO2B
DO2A
DI2
DO3B
DO3A
DI3
2
2
3
3
GND
GND
11/9/05
SP3486/3487 Low Power Quad RS485/422 Line Drivers
© Copyright 2005 Sipex Corporation
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device
at these or any other above those indicated in the operation
sections of the specifications below is not implied. Exposure to
absolute maximum rating conditions for extended periods of time
may affect reliability.
VCC ......................................................................................... +6.0V
Input Voltages
Logic ............................................................ –0.3V to +6.0V
Drivers ......................................................... –0.3V to +6.0V
Driver Output Voltage ............................................................. ±14V
Input Currents
Logic ........................................................................ ±25mA
Driver ....................................................................... ±25mA
Storage Temperature ............................................ –65°C to +150°C
Power Dissipation
Plastic DIP .......................................................................... 375mW
(derate 7mW/°C above +70°C)
Small Outline ...................................................................... 375mW
(derate 7mW/°C above +70°C)
Lead Temperature (soldering, 10 sec) ................................... 300°C
SPECIFICATIONS
VCC = 3.3V±5%; typicals at 25°C; TMIN ≤ TA ≤ TMAX unless otherwise noted.
PARAMETER
MIN.
TYP.
MAX.
UNIT
CONDITIONS
DC CHARACTERISTICS
Digital Inputs
Voltage
VIL
DI, EN, EN, EN1/EN2, EN3/EN4
0.8
Volts
Volts
µA
VIH
2.0
Input Current
±2
V
= 0V to V
IN CC
DRIVER OUTPUTS
Differential Voltage
VCC
VCC
Volts
Volts
Volts
unloaded
R = 50Ω(RS-422)
R = 27Ω (RS-485); Figure 1
2
1.5
Common Mode Output Voltage
Change in Common Mode Output Magnitude
for Complementary Output State
3
0.2
Volts
Volts
R = 27Ω or 50Ω; Figure 1
R = 27Ω or 50Ω; Figure 1
R = 50Ω (RS-422)
R = 27Ω (RS-485)
Maximum Data Rate
10
Mbps
Short–circuit Current
V
±250
±250
1
mA
mA
µA
-7V ≤VO ≤ +12V
VOH
-7V ≤VO ≤ +12V
HighOILmpedance Output Current
VO = -7V to +12V, TA=25oC
POWER REQUIREMENTS
Supply Voltage
Supply Current
3.00
3.30
3.00
0.10
3.60
Volts
µA
µA
No load, output enabled
No load, output disabled
ENVIRONMENTAL AND MECHANICAL
Operating Temperature
–C
–E
0
-40
-65
+70
+85
+150
°C
°C
°C
Storage Temperature
Package
–_P
16–pin Plastic DIP
16–pin SOIC
–_T
11/9/05
SP3486/3487 Low Power Quad RS485/422 Line Drivers
© Copyright 2005 Sipex Corporation
2
PINOUT — SP3486
V
DM
DI1
DO1A
DO1B
EN
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VCC
SP3486
4
R
L
= 27Ω
1
DI4
S1
D
OUT
DO4A
DO4B
EN
GENERATOR
(NOTE 1)
50Ω
C
L
= 15PF
(NOTE 2)
V
CC
DO2B
DO2A
DI2
V
OH + VOL
2
V
OM
=
1.5V
DO3B
DO3A
DI3
2
3
Figure 2. Driver Propagation Delay Test Circuit
GND
Pin 8 — GND — Digital Ground.
Pin9—DI3 —Driver3Input—IfDriver3output
is enabled, logic 0 on DI3 forces driver output
DO3A low and DO3B high. A logic 1 on DI3 with
Driver 3 output enabled forces driver DO3A high
and DO3B low.
SP3486 PINOUT
Pin1—DI1 —Driver1Input—IfDriver1output
is enabled, logic 0 on DI1 forces driver output
DO1A low and DO1B high. A logic 1 on DI1 with
Driver 1 output enabled forces driver DO1A high
and DO1B low.
Pin 10 — DO3A — Driver 3 output A.
Pin 11 — DO3B — Driver 3 output B.
Pin 2 — DO1A — Driver 1 output A.
Pin 3 — DO1B — Driver 1 output B.
Pin 12 — EN — Driver Output Disable. Please
refer to SP486 Truth Table (1).
Pin 4 — EN — Driver Output Enable. Please refer
to SP3486 Truth Table (1).
S1
D
OUT
= 110Ω
Pin 5 — DO2B — Driver 2 output B.
Pin 6 — DO2A — Driver 2 output A.
RL
C
L
= 50pF
(NOTE 2)
GENERATOR
(NOTE 1)
50Ω
Pin7—DI2 —Driver2Input—IfDriver2output
is enabled, logic 0 on DI2 forces driver output
DO2A low and DO2B high. A logic 1 on DI2 with
Driver 2 output enabled forces driver DO2A high
and DO2B low.
V
OH + VOL
V
OM
=
1.5V
2
Figure 3. Driver Enable and Disable Timing Circuit,
Output HIGH
V
CC
R
R
L
= 110Ω
S1
0V OR 3V
D
OUT
V
OD
D
C
L
= 50pF
(NOTE 2)
R
V
OC
GENERATOR
(NOTE 1)
50Ω
V
CC
Figure 1. Driver DC Test Load Circuit
Figure 4. Driver Enable and Disable Timing Circuit,
Output LOW
11/9/05
SP3486/3487 Low Power Quad RS485/422 Line Drivers
© Copyright 2005 Sipex Corporation
3
PINOUT — SP3487
INPUT
DI
ENABLES
OUTPUTS
DI1
DO1A
DO1B
EN1/EN2
DO2B
DO2A
DI2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VCC
SP3487
4
EN
EN
X
OUTA
OUTB
1
DI4
H
L
H
H
X
X
L
H
L
L
H
DO4A
DO4B
EN3/EN4
DO3B
DO3A
DI3
X
H
L
L
H
L
L
L
H
X
H
Hi–Z
Hi–Z
2
Table 1. SP3486 Truth Table
3
GND
Pin 8 — GND — Digital Ground.
Pin9—DI —Driver3Input—IfDriver3output
is enabled,3 logic 0 on DI3 forces driver output
DO3A low and DO3B high. A logic 1 on DI3 with
Driver 3 output enabled forces driver DO3A high
and DO3B low.
Pin 13 — DO4B — Driver 4 output B.
Pin 14 — DO4A — Driver 4 output A.
Pin 15 — DI4 — Driver 4 Input — If Driver 4
output is enabled, logic 0 on DI4 forces driver
outputDO4AlowandDO4Bhigh. Alogic1onDI4
with Driver 4 output enabled forces driver DO4A
high and DO4B low.
Pin 10 — DO3A — Driver 3 output A.
Pin 11 — DO3B — Driver 3 output B.
Pin 12 — EN /EN — Driver 3 and 4 Output
Enable. Please3refer4to SP3487 Truth Table (2).
Pin 16—VCC—Positive Supply +3.00V<VCC
<+3.60V
Pin 13 — DO4B — Driver 4 output B.
Pin 14 — DO4A — Driver 4 output A.
SP3487 PINOUT
Pin1—DI1 —Driver1Input—IfDriver1output
is enabled, logic 0 on DI1 forces driver output
DO1A low and DO1B high. A logic 1 on DI1 with
Driver 1 output enabled forces driver DO1A high
and DO1B low.
Pin 15 — DI4 — Driver 4 Input — If Driver 4
output is enabled, logic 0 on DI4 forces driver
outputDO4AlowandDO4Bhigh. Alogic1onDI4
with Driver 4 output enabled forces driver DO4A
high and DO4B low.
Pin 2 — DO1A — Driver 1 output A.
Pin 3 — DO1B — Driver 1 output B.
Pin 16 —VCC —Positive Supply +3.00V < VCC
< +3.60V
Pin 4 — EN1/EN — Driver 1 and 2 Output
Enable. Please ref2er to SP3487 Truth Table (2).
Pin 5 — DO2B — Driver 2 output B.
Pin 6 — DO2A — Driver 2 output A.
INPUT
DI
ENABLES
OUTPUTS
EN1/EN2 or EN3/EN4 OUTA
OUTB
L
H
L
H
H
L
H
L
Pin7—DI2 —Driver2Input—IfDriver2output
is enabled, logic 0 on DI2 forces driver output
DO2A low and DO2B high. A logic 1 on DI2 with
Driver 2 output enabled forces driver DO2A high
and DO2B low.
H
X
Hi–Z
Hi–Z
Table 2. SP3487 Truth Table
11/9/05
SP3486/3487 Low Power Quad RS485/422 Line Drivers
© Copyright 2005 Sipex Corporation
4
Driver
FEATURES
The drivers for both the SP3486 and SP3487
have differential outputs. The typical voltage
output swing with no load will be 0V to +5V.
With worst case loading of 54Ω across the
differential outputs, the driver can maintain
greater than +1.5V voltage levels.
TheSP3486andtheSP3487are+3.3Vlowpower
quad line drivers that meet the specifications of
the RS-485 and RS-422 serial protocols. These
devices are pin-to-pin compatible with Sipex's
SP486 and SP487 devices as well as popular
industry standards. The SP3486 and SP3487
devices feature Sipex's BiCMOS process
allowing low power operation without sacrificing
performance.
The drivers of the SP3486 feature active HIGH
and active LOW common driver enable
controls. Refer to SP3486 Truth Table in Table
1. The SP3487 provides independent, active
high driver enable controls for each pair of
drivers. Refer toSP3487 TruthTableinTable 2.
The driver outputs are short-circuit limited
to 250mA. The SP3486 and SP3487 drivers
meet the electrical specifications of RS-485
and RS-422 serial protocols up to 10Mbps
under load.
The RS-485 standard is ideal for multi-drop
applications or for long distance interfaces.
RS-485 allows up to 32 drivers and 32 receivers
to be connected to a data bus, making it an ideal
choice for multi-drop applications. Since the
cabling can be as long as 4,000 feet, RS-485
transceivers are equipped with a wide (-7V to
+12V) common mode range to accomodate
ground potential differences. Data is virtually
immune to noise in the transmission line because
the RS-485 protocol is a differential interface.
AC PARAMETERS
VCC = +3.3V±5%; typicals at 25°C; TAMB = 25°C unless otherwise noted.
PARAMETER
MIN.
TYP.
MAX.
UNIT
CONDITIONS
PROPAGATION DELAY
Driver Input to Output
Figure 2 and 5
Low to High (tPLH
High to Low (tPHL
Differential Driver Skew
)
)
20
20
40
40
5
60
60
10
ns
ns
ns
| tPHL(Y) - tPLH(Y) |, | tPHL(Z) - tPLH(Z) | ,
Figures 2 and 5
Driver Rise Time (tR)
SP3486
SP3487
10% to 90% RDIFF = 60Ω
10
10
ns
ns
Driver Fall Time (tF)
SP3486
SP3487
90% to 10% RDIFF = 60Ω
10
10
ns
ns
DRIVER ENABLE
To Output High
110
110
ns
ns
Figures 3 and 6
Figures 4 and 6
To Output Low
DRIVER DISABLE
From Output Low
110
110
ns
ns
Figures 4 and 6
Figures 3 and 6
From Output High
11/9/05
SP3486/3487 Low Power Quad RS485/422 Line Drivers
© Copyright 2005 Sipex Corporation
5
3V
0V
1.5V
1.5V
INPUT
t
PLH
t
PHL
V
OH
V
OM
V
OM
Y OUTPUT
V
OL
t
PHL
t
PLH
V
OH
Z OUTPUT
V
OM
V
OM
VOL
V
=
OH + VOL
2
≈ 1.5V
V
OM
Figure 5. Driver Propagation Delay Waveforms
3V
INPUT
1.5V
1.5V
0V
t
PHZ
t
PZH
V
OH
0.25V
0.25V
OUTPUT
HIGH
V
OM
0V
t
PZL
t
PLZ
V
CC
OUTPUT
LOW
V
OM
VOL
V
OH + VOL
2
≈ 1.5V
V
OM
=
Figure 6. Driver Enable and Disable Timing Waveforms
NOTE 1: The input pulse is supplied by a generator with the following characteristics:
INPUT=250kHz, 50% duty cycle, tr < 6.0ns, Zo=50Ω.
NOTE 2: CL includes probe and stray capacitance.
11/9/05
SP3486/3487 Low Power Quad RS485/422 Line Drivers
© Copyright 2005 Sipex Corporation
6
PACKAGE: 16 PIN PDIP
16
E1
INDEX
AREA
E
c
2
3
1
eA
TOP VIEW
eB
FRONT VIEW
SIDE VIEW
Base
Plane
D
A2
A
L
A1
Seating
Plane
D1
b2
b3
e
b
PDIP JEDEC MS-001
VARIATION BB
N = 16 Pins
Dimensions in Millimeters
Conversion Factor:
Dimensions in Inches:
Controlling Dimension
SYMBOL
1 Inch = 25.40 mm
MIN
NOM
MAX
MIN
NOM
MAX
5.33
-
A
-
-
-
0.210
-
-
-
-
0.38
2.92
0.36
1.14
0.76
0.20
0.00
7.62
6.10
A1
A2
b
b2
b3
c
D1
E
E1
e
0.015
0.115
0.014
0.045
0.030
0.008
0.005
0.300
0.240
3.30
0.46
1.52
0.99
0.25
-
7.87
4.95
0.56
1.78
1.14
0.36
-
0.130
0.018
0.060
0.039
0.010
-
0.195
0.022
0.070
0.045
0.014
-
8.26
7.11
0.310
0.250
0.100 BSC
0.300 BSC
-
0.325
0.280
6.35
0.004 BSC
0.012 BSC
-
eA
eB
L
10.92
3.81
19.69
-
0.430
0.150
0.775
-
2.92
18.67
3.30
19.18
0.115
0.735
0.130
0.755
D
SIPEX Pkg Signoff Date/Rev:
JL Nov21-05/ Rev A
11/9/05
SP3486/3487 Low Power Quad RS485/422 Line Drivers
© Copyright 2005 Sipex Corporation
7
D
SIDE VIEW
E/2
A2
A
E1
A1
E
Seating Plane
E1/2
(L1)
INDEX AREA
(0.25D X 0.75E1)
1
2
3
b
e
TOP VIEW
h
ø1
FRONT VIEW
Gauge Plane
ø2
h
R1
R
L2
ø1
c
Seating
Plane
ø
L
16 PIN WSOIC
JEDEC MS-013
Variation AA
Dimensions in Inches
Conversion Factor:
1 Inch = 25.40 mm
Dimensions in Millimeters:
Controlling Dimension
SYMBOL
MIN
2.35
0.10
2.05
0.31
0.20
NOM
-
-
-
-
-
MAX
2.65
0.30
2.55
0.51
0.33
MIN
NOM
-
-
-
-
-
MAX
A
0.093
0.004
0.081
0.012
0.008
0.104
0.012
0.100
0.020
0.013
A1
A2
b
c
E
10.30 BSC
0.406 BSC
E1
e
7.50 BSC
1.27 BSC
0.295 BSC
0.050 BSC
h
L
0.25
0.40
-
-
0.75
1.27
0.010
0.016
-
-
0.030
0.050
L1
L2
R
R1
ø
1.40 REF
0.25 BSC
0.055 REF
0.010 BSC
0.07
0.07
0º
5º
0º
-
-
-
-
-
-
0.003
0.003
0º
5º
0º
-
-
-
-
-
-
8º
15º
-
8º
15º
-
ø1
ø2
-
-
D
10.30 REF
0.405 REF
SIPEX Pkg Signoff Date/Rev:
JL Oct11-05/ Rev A
11/9/05
SP3486/3487 Low Power Quad RS485/422 Line Drivers
© Copyright 2005 Sipex Corporation
8
ORDERING INFORMATION
Quad RS485 Drivers:
Model ..................................................... Enable/Disable .......................................... Temperature Range ......................................... Package
SP3486CP .......................... Common; active Low and Active High ............................. 0°C to +70°C ..................................... 16–pin Plastic DIP
SP3486CT ........................... Common; active Low and Active High ............................. 0°C to +70°C ........................................... 16–pin WSOIC
SP3486EP ........................... Common; active Low and Active High ........................... –40°C to +85°C .................................. 16–pin Plastic DIP
SP3486ET ........................... Common; active Low and Active High ........................... –40°C to +85°C ........................................ 16–pin WSOIC
SP3487CP ............................... One per driver pair; active High ................................... 0°C to +70°C ..................................... 16–pin Plastic DIP
SP3487CT ................................ One per driver pair; active High ................................... 0°C to +70°C ........................................... 16–pin WSOIC
SP3487EP ................................ One per driver pair; active High ................................ –40°C to +85°C .................................. 16–pin Plastic DIP
SP3487ET ................................ One per driver pair; active High ................................ –40°C to +85°C ........................................ 16–pin WSOIC
Please consult the factory for pricing and availability on a Tape-On-Reel option.
Now available in Lead Free. To order add “-L’ to the part number.
Example: SP3487CT = normal, SP3487CT-L = Lead free.
Note: SP3486 is not recommended for new designs. Contact factory for availability
options.
Corporation
SIGNALPROCESSINGEXCELLENCE
Sipex Corporation
Headquarters and
Sales Office
233 South Hillview Drive
Milpitas, CA 95035
TEL: (408) 934-7500
FAX: (408) 935-7600
Sales Office
22 Linnell Circle
Billerica, MA 01821
TEL: (978) 667-8700
FAX: (978) 670-9001
e-mail: sales@sipex.com
Sipex Corporation reserves the right to make changes to any products described herein. Sipex does not assume any liability arising out of the
application or use of any product or circuit described hereing; neither does it convey any license under its patent rights nor the rights of others.
11/9/05
SP3486/3487 Low Power Quad RS485/422 Line Drivers
© Copyright 2005 Sipex Corporation
9
相关型号：
SP3487EP-L
Line Driver, 4 Func, 4 Driver, BICMOS, PDIP16, LEAD FREE, PLASTIC, MS-001BB, DIP-16
SIPEX
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