V62/07647-01XE [TI]
增强型产品四路差分线路驱动器 | D | 16 | -55 to 125;型号: | V62/07647-01XE |
厂家: | TEXAS INSTRUMENTS |
描述: | 增强型产品四路差分线路驱动器 | D | 16 | -55 to 125 驱动 线路驱动器或接收器 驱动程序和接口 |
文件: | 总11页 (文件大小:178K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
AM26C31-EP
QUADRUPLE DIFFERENTIAL LINE DRIVER
www.ti.com
SLLS871–NOVEMBER 2007
1
FEATURES
•
•
High Output Impedance in Power-Off
Conditions
•
Controlled Baseline
Improved Replacement for AM26LS31
–
–
–
One Assembly
One Test Site
AM26C31... D PACKAGE
One Fabrication Site
•
•
Extended Temperature Performance of –55°C
to 125°C
Enhanced Diminishing Manufacturing Sources
(DMS) Support
•
•
•
Enhanced Product-Change Notification
(1)
Qualification Pedigree
Meets or Exceeds the Requirements of
TIA/EIA-422-B and ITU Recommendation V.11
•
•
•
•
Low Power, ICC = 100 µA Typ
Operates From a Single 5 V Supply
High Speed, tPLH = tPHL = 7 ns Typ
Low Pulse Distortion, tsk(p) = 0.5 ns Typ
(1) Component qualification in accordance with JEDEC and
industry standards to ensure reliable operation over an
extended temperature range. This includes, but is not limited
to, Highly Accelerated Stress Test (HAST) or biased 85/85,
temperature cycle, autoclave or unbiased HAST,
electromigration, bond intermetallic life, and mold compound
life. Such qualification testing should not be viewed as
justifying use of this component beyond specified
performance and environmental limits.
DESCRIPTION/ORDERING INFORMATION
The AM26C31 is a differential line driver with complementary outputs, designed to meet the requirements of
TIA/EIA -422-B and ITU (formerly CCITT). The 3-state outputs have high-current capability for driving balanced
lines, such as twisted-pair or parallel-wire transmission lines, and they provide the high-impedance state in the
power-off condition. The enable functions are common to all four drivers and offer the choice of an active-high
(G) or active-low (G) enable input. BiCMOS circuitry reduces power consumption without sacrificing speed.
The AM26C31 is characterized for operation over extended temperature range of –55°C to 125°C.
ORDERING INFORMATION(1)
TA
PACKAGE(2)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
26C31EP
–55°C to 125°C
SOIC – D
Reel of 2500
AM26C31MDREP
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2007, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
On products compliant to MIL-PRF-38535, all parameters are
Instruments standard warranty. Production processing does not
tested unless otherwise noted. On all other products, production
necessarily include testing of all parameters.
processing does not necessarily include testing of all parameters.
AM26C31-EP
QUADRUPLE DIFFERENTIAL LINE DRIVER
www.ti.com
SLLS871–NOVEMBER 2007
FUNCTION TABLE
(each driver)
ENABLES
OUTPUT
INPUT
A
G
H
H
X
X
L
G
X
X
L
Y
H
L
Z
L
H
L
H
L
H
L
H
L
L
H
Z
X
H
Z
LOGIC DIAGRAM (POSITIVE LOGIC)
SCHEMATICS OF INPUTS AND OUTPUTS
EQUIVALENT OF EACH INPUT
TYPICAL OF ALL OUTPUTS
V
CC
V
CC
Output
Input
GND
GND
2
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Copyright © 2007, Texas Instruments Incorporated
AM26C31-EP
QUADRUPLE DIFFERENTIAL LINE DRIVER
www.ti.com
SLLS871–NOVEMBER 2007
ABSOLUTE MAXIMUM RATINGS(1)
over operating free-air temperature range (unless otherwise noted)
MIN
MAX UNIT
VCC
VI
Supply voltage range(2)
Input voltage range
–0.5
7
V
V
V
V
–0.5 VCC + 0.5
VID
VO
Differential input voltage range
Output voltage range
–14
14
7
–0.5
IIK or
IOK
Input or output clamp current
±20
mA
IO
Output current
±150
200
mA
mA
mA
VCC current
GND current
–200
θJA
TJ
Package thermal impedance(3)(4)
Operating virtual junction temperature
Storage temperature range
73 °C/W
150
150
°C
°C
Tstg
–65
(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltage values, except differential output voltage (VOD), are with respect to the network ground terminal.
(3) Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient
temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability.
(4) The package thermal impedance is calculated in accordance with JESD 51-7.
RECOMMENDED OPERATING CONDITIONS
MIN
NOM MAX UNIT
VCC
VID
VIH
VIL
IOH
IOL
TA
Supply voltage
4.5
5
5.5
V
V
Differential input voltage
High-level input voltage
Low-level input voltage
High-level output current
Low-level output current
Operating free-air temperature
±7
2
V
0.8
–20
20
V
mA
mA
°C
–55
125
Copyright © 2007, Texas Instruments Incorporated
Submit Documentation Feedback
3
AM26C31-EP
QUADRUPLE DIFFERENTIAL LINE DRIVER
www.ti.com
SLLS871–NOVEMBER 2007
ELECTRICAL CHARACTERISTICS
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
High-level output voltage
TEST CONDITIONS
IO = –20 mA
MIN
TYP(1)
3.4
MAX UNIT
VOH
VOL
2.2
V
Low-level output voltage
IO = 20 mA
0.2
0.4
V
V
V
V
|VOD
|
Differential output voltage magnitude
Change in magnitude of differential output voltage(2) RL = 100 Ω, See Figure 1
RL = 100 Ω, See Figure 1
2
3.1
Δ|VOD
|
±0.4
3
VOC
Common-mode output voltage
RL = 100 Ω, See Figure 1
RL = 100 Ω, See Figure 1
VI = VCC or GND
Change in magnitude of common-mode output
voltage(2)
Δ|VOC
|
±0.4
V
II
Input current
±1
100
–100
–170
20
µA
VO = 6 V
VCC = 0
IO(off)
IOS
Driver output current with power off
Driver output short-circuit current
High-impedance off-state output current
µA
mA
µA
VO = –0.25 V
VO = 0
VO = 2.5 V
VO = 0.5 V
IOZ
–20
100
3.2
IO = 0
IO = 0
VI = 0 V or 5 V
VI = 2.4 V or 0.5 V(3)
µA
mA
pF
ICC
CI
Quiescent supply current
Input capacitance
6
(1) All typical values are at VCC = 5 V and TA = 25°C.
(2) Δ|VOD| and Δ|VOC| are the changes in magnitude of VOD and VOC, respectively, that occur when the input is changed from a high level
to a low level.
(3) This parameter is measured per input. All other inputs are at 0 V or 5 V.
SWITCHING CHARACTERISTICS
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP(1)
MAX UNIT
Propagation delay time, low- to high-level
output
tPLH
tPHL
S1 is open,
See Figure 2
See Figure 2
7
12
12
ns
ns
Propagation delay time, high- to low-level
output
S1 is open,
6.5
tsk(p)
Pulse skew time (|tPLH – tPHL|)
S1 is open,
S1 is open,
S1 is closed,
S1 is closed,
S1 is closed,
S1 is closed,
S1 is open,
See Figure 2
See Figure 3
See Figure 4
See Figure 4
See Figure 4
See Figure 4
See Figure 2
0.5
5
4
12
19
19
16
16
ns
ns
ns
ns
ns
ns
pF
tr(OD), tf(OD)
tPZH
Differential output rise and fall times
Output enable time to high level
Output enable time to low level
10
10
7
tPZL
tPHZ
Output disable time from high level
Output disable time from low level
Power dissipation capacitance (each driver)(2)
tPLZ
7
Cpd
100
(1) All typical values are at VCC = 5 V, TA = 25°C.
(2) Cpd is used to estimate the switching losses according to PD = Cpd × VCC2 × f, where f is the switching frequency.
4
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Copyright © 2007, Texas Instruments Incorporated
AM26C31-EP
QUADRUPLE DIFFERENTIAL LINE DRIVER
www.ti.com
SLLS871–NOVEMBER 2007
PARAMETER MEASUREMENT INFORMATION
R /2
L
V
OD2
V
OC
R /2
L
Figure 1. Differential and Common-Mode Output Voltages
R /2
L
C2 = 40 pF
C3 = 40 pF
500 Ω
C1 =
1.5 V
Input
S1
40 pF
R /2
L
See Note A
TEST CIRCUIT
3 V
Input A
1.3 V
0 V
(see Note B)
t
t
PHL
PLH
Output Y
50%
50%
1.3 V
1.3 V
t
t
sk(p)
sk(p)
Output Z
50%
50%
t
t
PLH
PHL
A. C1, C2, and C3 include probe and jig capacitance.
B. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, duty cycle ≤ 50%, and
tr, tf ≤ 6 ns.
Figure 2. Propagation Delay Time and Skew Waveforms and Test Circuit
Copyright © 2007, Texas Instruments Incorporated
Submit Documentation Feedback
5
AM26C31-EP
QUADRUPLE DIFFERENTIAL LINE DRIVER
www.ti.com
SLLS871–NOVEMBER 2007
PARAMETER MEASUREMENT INFORMATION (continued)
R /2
L
C2 = 40 pF
C3 = 40 pF
500 Ω
C1 =
1.5 V
Input
S1
40 pF
R /2
L
See Note A
TEST CIRCUIT
3 V
0 V
Input A
(see Note B)
90%
90%
10%
Differential
Output
10%
t
t
f(OD)
r(OD)
VOLTAGE WAVEFORMS
A. C1, C2, and C3 include probe and jig capacitance.
B. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, duty cycle ≤ 50%, and
tr, tf ≤ 6 ns.
Figure 3. Differential Output Rise and Fall Time Waveforms and Test Circuit
6
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Copyright © 2007, Texas Instruments Incorporated
AM26C31-EP
QUADRUPLE DIFFERENTIAL LINE DRIVER
www.ti.com
SLLS871–NOVEMBER 2007
PARAMETER MEASUREMENT INFORMATION (continued)
Output
C2 =
40 pF
50 Ω
50 Ω
500 Ω
0 V
3 V
C1 =
40 pF
Input A
1.5 V
S1
C3 =
40 pF
G
Enable Inputs
(see Note B)
Output
G
See Note A
TEST CIRCUIT
Enable G Input
(see Note C)
3 V
1.3 V
1.3 V
Enable G Input
0 V
1.5 V
Output WIth
0 V to A Input
0.8 V
V
OL
+ 0.3 V
V
OL
t
t
PZL
PLZ
V
OH
Output WIth
3 V to A Input
V
OH
− 0.3 V
2 V
1.5 V
t
t
PZH
PHZ
VOLTAGE WAVEFORMS
A. C1, C2, and C3 include probe and jig capacitance.
B. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, duty cycle ≤ 50%, tr <
6 ns, and tf < 6 ns.
C. Each enable is tested separately.
Figure 4. Output Enable and Disable Time Waveforms and Test Circuit
Copyright © 2007, Texas Instruments Incorporated
Submit Documentation Feedback
7
AM26C31-EP
QUADRUPLE DIFFERENTIAL LINE DRIVER
www.ti.com
SLLS871–NOVEMBER 2007
TYPICAL CHARACTERISTICS
SUPPLY CURRENT
vs
SWITCHING FREQUENCY
300
250
200
150
100
50
V
= 5 V
T = 25°C
See Figure 2
CC
A
S1 Open
All Four Channels Switching Simultaneously
N Package
0
0
5
10
15
20
25
30
35
40
f − Switching Frequency − MHz
Figure 5.
8
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Copyright © 2007, Texas Instruments Incorporated
PACKAGE OPTION ADDENDUM
www.ti.com
18-Sep-2008
PACKAGING INFORMATION
Orderable Device
AM26C31MDREP
V62/07647-01XE
Status (1)
ACTIVE
ACTIVE
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
Drawing
SOIC
D
16
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SOIC
D
16
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS
compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI
to Customer on an annual basis.
OTHER QUALIFIED VERSIONS OF AM26C31-EP :
Catalog: AM26C31
Military: AM26C31M
•
•
NOTE: Qualified Version Definitions:
Catalog - TI's standard catalog product
Military - QML certified for Military and Defense Applications
•
•
Addendum-Page 1
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