SN65LVDS051-Q1 [TI]
汽车类高速差动线路收发器;
| 型号： | SN65LVDS051-Q1 |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | 汽车类高速差动线路收发器 驱动 线路驱动器或接收器 驱动程序和接口 |
| 文件： | 总27页 (文件大小：600K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
www.ti.com
SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
HIGH-SPEED DIFFERENTIAL LINE DRIVERS AND RECEIVERS
Check for Samples: SN65LVDS179-Q1, SN65LVDS180-Q1, SN65LVDS050-Q1, SN65LVDS051-Q1
1
FEATURES
•
•
Qualified for Automotive Applications
ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
•
Meets or Exceeds the Requirements of ANSI
TIA/EIA-644-1995 Standard
•
•
•
•
Signaling Rates up to 400 Mbps
Bus-Terminal ESD Exceeds 12 kV
Operates From a Single 3.3-V Supply
Low-Voltage Differential Signaling With Typical
Output Voltages of 350 mV and a 100-Ω Load
•
Propagation Delay Times
–
–
Driver: 1.7 ns Typ
Receiver: 3.7 ns Typ
•
Power Dissipation at 200 MHz
–
–
Driver: 25 mW Typical
Receiver: 60 mW Typical
•
•
LVTTL Input Levels Are 5-V Tolerant
Receiver Maintains High Input Impedance With
VCC < 1.5 V
•
Receiver Has Open-Circuit Fail Safe
DESCRIPTION
The SN65LVDS179, SN65LVDS180, SN65LVDS050,
and SN65LVDS051 are differential line drivers and
receivers that use low-voltage differential signaling
(LVDS) to achieve signaling rates as high as 400
Mbps. The TIA/EIA-644 standard compliant electrical
interface provides a minimum differential output
voltage magnitude of 247 mV into a 100-Ω load and
receipt of 50-mV signals with up to 1 V of ground
potential difference between
receiver.
a
transmitter and
The intended application of this device and signaling
technique is for point-to-point baseband data
transmission over controlled impedance media of
approximately 100-Ω characteristic impedance. The
transmission media may be printed-circuit board
traces, backplanes, or cables. (Note: The ultimate
rate and distance of data transfer is dependent upon
the attenuation characteristics of the media, the noise
coupling to the environment, and other application
specific characteristics).
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 © 2003–2011, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
www.ti.com
DESCRIPTION (CONTINUED)
The devices offer various driver, receiver, and enabling combinations in industry standard footprints. Since these
devices are intended for use in simplex or distributed simplex bus structures, the driver enable function does not
put the differential outputs into a high-impedance state but rather disconnects the input and reduces the
quiescent power used by the device. (For these functions with a high-impedance driver output, see the
SN65LVDM series of devices.) All devices are characterized for operation from −40°C to 85°C.
ORDERING INFORMATION(1)
TA
PACKAGE(2)
ORDERABLE PART NUMBER
SN65LVDS179DRQ1(3)
SN65LVDS179PWRQ1(3)
SN65LVDS180DRQ1
TOP-SIDE MARKING
VDS179Q
SOIC (D)
Tape and reel
TSSOP (PW)
SOIC (D)
Tape and reel
Tape and reel
Tape and reel
Tape and reel
Tape and reel
Tape and reel
Tape and reel
VDS179Q
VDS180Q
VDS180Q
VDS050Q
VDS050Q
VDS051Q
VDS051Q
TSSOP (PW)
SOIC (D)
SN65LVDS180PWRQ1
SN65LVDS050DRQ1(3)
SN65LVDS050IPWRQ1
SN65LVDS051DRQ1
-40°C to 85°C
TSSOP (PW)
SOIC (D)
TSSOP (PW)
SN65LVDS051PWRQ1
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
(3) Product Preview
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Product Folder Link(s): SN65LVDS179-Q1 SN65LVDS180-Q1 SN65LVDS050-Q1 SN65LVDS051-Q1
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
www.ti.com
SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
FUNCTION TABLES
SN65LVDS179 RECEIVER
INPUTS
OUTPUT(1)
VID = VA - VB
R
H
?
VID ≥ 50 mV
-50 mV < VID < 50 mV
VID ≤ -50 mV
L
Open
H
(1) H = high level, L = low level, ? = indeterminate
SN65LVDS179 DRIVER(1)
INPUT
OUTPUTS
D
L
Y
L
Z
H
L
H
H
L
Open
H
(1) H = high level, L = low level
SN65LVDS180, SN65LVDS050, and
SN65LVDS051 RECEIVER(1)
INPUTS
OUTPUT
VID = VA - VB
ID≥ 50 mV
-50 mV < VID < 50 mV
RE
L
R
H
?
V
L
V
ID≤ -50 mV
Open
X
L
L
L
H
Z
H
(1) H = high level, L = low level, Z = high impedance, X = don't care,
? = indeterminate
SN65LVDS180, SN65LVDS050, and
SN65LVDS051 DRIVER(1)
INPUTS
OUTPUTS
D
L
DE
H
Y
L
Z
H
H
H
H
L
Open
X
H
L
H
L
OFF
OFF
(1) H = high level, L = low level, Z = high impedance, X = don't care,
OFF = no output
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Product Folder Link(s): SN65LVDS179-Q1 SN65LVDS180-Q1 SN65LVDS050-Q1 SN65LVDS051-Q1
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
www.ti.com
EQUIVALENT INPUT AND OUTPUT SCHEMATIC DIAGRAMS
4
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Product Folder Link(s): SN65LVDS179-Q1 SN65LVDS180-Q1 SN65LVDS050-Q1 SN65LVDS051-Q1
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
www.ti.com
SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
ABSOLUTE MAXIMUM RATINGS(1)
over operating free-air temperature range (unless otherwise noted)
UNIT
VCC
Supply voltage range(2)
Voltage range
–0.5 V to 4 V
–0.5 V to 6 V
–0.5 V to 4 V
D, R, DE, RE
Y, Z, A, and B
|VOD
|
Differential output voltage
Electrostatic discharge
1 V
(3)
Y, Z, A, B , and GND (see
All
)
Class 3, A:12 kV, B:600 V
Class 3, A:7 kV, B:500 V
See Dissipation Rating Table
–65°C to 150°C
Continuous power dissipation
Storage temperature range
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
250°C
(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 I/O bus voltages are with respect to network ground terminal.
(3) Tested in accordance with MIL-STD-883C Method 3015.7.
DISSIPATION RATING TABLE
TA≤ 25°C
POWER RATING
DERATING FACTOR
TA = 85°C
POWER RATING
PACKAGE
ABOVE TA = 25°C(1)
PW(14)
PW(16)
D(8)
736 mW
839 mW
635 mW
987 mW
1110 mW
5.9 mW/°C
6.7 mW/°C
5.1 mW/°C
7.9 mW/°C
8.9 mW/°C
383 mW
437 mW
330 mW/°C
513 mW/°C
577 mW/°C
D(14)
D(16)
(1) This is the inverse of the junction-to-ambient thermal resistance when board-mounted and with no airflow.
RECOMMENDED OPERATING CONDITIONS
MIN
3
NOM
3.3
MAX UNIT
VCC
VIH
VIL
Supply voltage
3.6
V
V
High-level input voltage
2
Low-level input voltage
0.8
0.6
V
|VID
|
Magnitude of differential input voltage
Magnitude of differential output voltage with disabled driver
Driver output voltage
0.1
0
V
|VOD(dis)|
VOY or VOZ
520
2.4
mV
V
ŤVIDŤ
2
ŤVIDŤ
VIC
Common-mode input voltage (see Figure 5)
Operating free-air temperature
V
2.4 *
2
VCC- 0.8
85
TA
–40
°C
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Product Folder Link(s): SN65LVDS179-Q1 SN65LVDS180-Q1 SN65LVDS050-Q1 SN65LVDS051-Q1
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
www.ti.com
DEVICE ELECTRICAL CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER
SN65LVDS179 No receiver load, driver RL = 100 Ω
Driver and receiver enabled, no receiver load, driver RL = 100 Ω
TEST CONDITIONS
MIN TYP(1)
MAX UNIT
9
9
12
12
7
mA
Driver enabled, receiver disabled, RL = 100 Ω
Driver disabled, receiver enabled, no load
Disabled
5
SN65LVDS180
mA
1.5
0.5
12
10
3
2
1
Supply
current
ICC
Drivers and receivers enabled, no receiver loads, driver RL = 100 Ω
Drivers enabled, receivers disabled, RL = 100 Ω
Drivers disabled, receivers enabled, no loads
Disabled
20
16
6
SN65LVDS050
SN65LVDS051
mA
mA
0.5
12
3
1
Drivers enabled, No receiver loads, driver RL = 100 Ω
Drivers disabled, no loads
20
6
(1) All typical values are at 25°C and with a 3.3-V supply.
DRIVER ELECTRICAL CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
|VOD
|
Differential output voltage magnitude
247
340
454
RL = 100 Ω, See
Figure 3 and Figure 2
mV
50
Change in differential output voltage magnitude between logic
states
Δ|VOD
|
-50
1.125
–50
VOC(SS)
ΔVOC(SS)
VOC(PP)
Steady-state common-mode output voltage
1.2 1.375
V
Change in steady-state common-mode output voltage between
logic states
See Figure 3
50
mV
mV
Peak-to-peak common-mode output voltage
50
–0.5
2
150
–20
20
DE
IIH
High-level input current
D
VIH = 5 V
μA
μA
DE
–0.5
2
–10
10
IIL
Low-level input current
D
VIL = 0.8 V
VOY or VOZ = 0 V
VOD = 0 V
3
10
IOS
Short-circuit output current
mA
3
10
DE = OV
VOY = VOZ = OV
IO(OFF)
Off-state output current
Input capacitance
–1
1
μA
DE = VCC
VOY = VOZ = OV,
VCC < 1.5 V
CIN
3
pF
6
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Product Folder Link(s): SN65LVDS179-Q1 SN65LVDS180-Q1 SN65LVDS050-Q1 SN65LVDS051-Q1
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
www.ti.com
SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
RECEIVER ELECTRICAL CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP(1)
MAX UNIT
VIT+
VIT-
Positive-going differential input voltage threshold
Negative-going differential input voltage threshold
50
See Figure 5 and
mV
–50
2.4
2.8
IOH = -8 mA
IOH = -4 mA
IOL = 8 mA
VI = 0
VOH
VOL
II
High-level output voltage
Low-level output voltage
Input current (A or B inputs)
V
0.4
V
–2
–11
–3
–20
μA
VI = 2.4 V
VCC = 0
–1.2
II(OFF)
IIH
Power-off input current (A or B inputs)
High-level input current (enables)
Low-level input current (enables)
High-impedance output current
Input capacitance
±20
±10
±10
±10
μA
μA
μA
μA
pF
VIH = 5 V
IIL
VIL = 0.8 V
VO = 0 or 5 V
IOZ
CI
5
(1) All typical values are at 25°C and with a 3.3-V supply.
DRIVER SWITCHING CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP(1)
MAX UNIT
tPLH
tPHL
tr
Propagation delay time, low-to-high-level output
Propagation delay time, high-to-low-level output
Differential output signal rise time
Differential output signal fall time
Pulse skew (|tpHL - tpLH|)(2)
1.7
1.7
0.8
0.8
300
150
4.3
3.1
2.7
2.7
1
ns
ns
ns
ns
ps
ps
ns
ns
RL = 100 Ω,
CL = 10 pF,
See Figure 2
tf
1
tsk(p)
tsk(o)
ten
Channel-to-channel output skew(3)
Enable time
10
10
See Figure 4
tdis
Disable time
(1) All typical values are at 25°C and with a 3.3-V supply.
(2) tsk(p) is the magnitude of the time difference between the high-to-low and low-to-high propagation delay times at an output.
(3) tsk(o) is the magnitude of the time difference between the outputs of a single device with all of their inputs connected together.
RECEIVER SWITCHING CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP(1)
MAX UNIT
tPLH
tPHL
tsk(p)
tr
Propagation delay time, low-to-high-level output
Propagation delay time, high-to-low-level output
Pulse skew (|tpHL - tpLH|)(2)
3.7
3.7
0.3
0.7
0.9
2.5
2.5
7
4.5
4.5
ns
ns
ns
ns
ns
ns
ns
ns
ns
CL = 10 pF,
See Figure 6
Output signal rise time
1.5
1.5
tf
Output signal fall time
tPZH
tPZL
tPHZ
tPLZ
Propagation delay time, high-impedance-to-high-level output
Propagation delay time, high-impedance-to-low-level output
Propagation delay time, high-level-to-high-impedance output
Propagation delay time, low-level-to-high-impedance output
See Figure 7
4
(1) All typical values are at 25°C and with a 3.3-V supply.
(2) tsk(p) is the magnitude of the time difference between the high-to-low and low-to-high propagation delay times at an output.
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Product Folder Link(s): SN65LVDS179-Q1 SN65LVDS180-Q1 SN65LVDS050-Q1 SN65LVDS051-Q1
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
www.ti.com
PARAMETER MEASUREMENT INFORMATION
DRIVER
I
OY
Driver Enable
Y
Z
I
I
A
V
OD
V
) V
OY
OZ
I
OZ
V
OY
2
V
I
V
OC
V
OZ
Figure 1. Driver Voltage and Current Definitions
Driver Enable
Y
Z
100 Ω
±1%
V
OD
Input
C
L
= 10 pF
(2 Places)
2 V
Input
1.4 V
0.8 V
t
PHL
t
PLH
100%
80%
V
OD(H)
Output
0 V
V
OD(L)
20%
0%
t
f
t
r
A. All input pulses are supplied by a generator having the following characteristics: tr or tf ≤ 1 ns, pulse repetition rate
(PRR) = 50 Mpps, pulse width = 10 ± 0.2 ns. CL includes instrumentation and fixture capacitance within 0,06 mm of
the D.U.T.
Figure 2. Test Circuit, Timing, and Voltage Definitions for the Differential Output Signal
8
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Product Folder Link(s): SN65LVDS179-Q1 SN65LVDS180-Q1 SN65LVDS050-Q1 SN65LVDS051-Q1
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
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SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
PARAMETER MEASUREMENT INFORMATION (continued)
A. All input pulses are supplied by a generator having the following characteristics: tr or tf ≤ 1 ns, pulse repetition rate
(PRR) = 50 Mpps, pulse width = 10 ± 0.2 ns. CL includes instrumentation and fixture capacitance within 0,06 mm of
the D.U.T. The measurement of VOC(PP) is made on test equipment with a –3-dB bandwidth of at least 300 MHz.
Figure 3. Test Circuit and Definitions for the Driver Common-Mode Output Voltage
A. All input pulses are supplied by a generator having the following characteristics: tr or tf ≤ 1 ns, pulse repetition rate
(PRR) = 0.5 Mpps, pulse width = 500 ± 10 ns. CL includes instrumentation and fixture capacitance within 0,06 mm of
the D.U.T.
Figure 4. Enable and Disable Time Circuit and Definitions
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Product Folder Link(s): SN65LVDS179-Q1 SN65LVDS180-Q1 SN65LVDS050-Q1 SN65LVDS051-Q1
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
www.ti.com
PARAMETER MEASUREMENT INFORMATION (continued)
RECEIVER
A
V
) V
R
IA
IB
V
ID
2
V
IA
B
V
O
V
IC
V
IB
Figure 5. Receiver Voltage Definitions
Receiver Minimum and Maximum Input Threshold Test Voltages
APPLIED VOLTAGES
(V)
RESULTING DIFFERENTIAL
INPUT VOLTAGE (mV)
RESULTING COMMON-
MODE INPUT VOLTAGE (V)
VIA
1.25
1.15
2.4
2.3
0.1
0
VIB
1.15
1.25
2.3
2.4
0
VID
100
VIC
1.2
–100
100
1.2
2.35
2.35
0.05
0.05
1.2
–100
100
0.1
0.9
1.5
1.8
2.4
0
–100
600
1.5
0.9
2.4
1.8
0.6
0
–600
600
1.2
2.1
–600
600
2.1
0.3
0.6
–600
0.3
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Product Folder Link(s): SN65LVDS179-Q1 SN65LVDS180-Q1 SN65LVDS050-Q1 SN65LVDS051-Q1
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
www.ti.com
SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
A. All input pulses are supplied by a generator having the following characteristics: tr or tf ≤ 1 ns, pulse repetition rate
(PRR) = 50 Mpps, pulse width = 10 ± 0.2 ns. CL includes instrumentation and fixture capacitance within 0,06 m of the
D.U.T.
Figure 6. Timing Test Circuit and Waveforms
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Product Folder Link(s): SN65LVDS179-Q1 SN65LVDS180-Q1 SN65LVDS050-Q1 SN65LVDS051-Q1
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
www.ti.com
Figure 7. Enable/Disable Time Test Circuit and Waveforms
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Product Folder Link(s): SN65LVDS179-Q1 SN65LVDS180-Q1 SN65LVDS050-Q1 SN65LVDS051-Q1
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
www.ti.com
SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
TYPICAL CHARACTERISTICS
DISABLED DRIVER OUTPUT CURRENT
vs
OUTPUT VOLTAGE
40
30
V
= 3.3 V
= 25°C
CC
Other output at 0 V
Other output at 1.2 V
T
A
DE = 0 V
20
10
V
OZ
= V
OY
0
−10
−20
−30
Other output at 2.4 V
0
0.5
1
1.5
2
2.5
3
V
− Output Voltage − V
O
Figure 8.
DRIVER
DRIVER
LOW-LEVEL OUTPUT VOLTAGE
vs
HIGH-LEVEL OUTPUT VOLTAGE
vs
LOW-LEVEL OUTPUT CURRENT
HIGH-LEVEL OUTPUT CURRENT
3.5
3
4
V
T
A
= 3.3 V
= 25°C
CC
V
T
A
= 3.3 V
= 25°C
CC
3
2.5
2
2
1
1.5
1
0.5
0
0
−1
−4
−3
−2
0
0
2
4
6
I
− High-Level Output Current − mA
I
− Low-Level Output Current − mA
OH
OL
Figure 9.
Figure 10.
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Product Folder Link(s): SN65LVDS179-Q1 SN65LVDS180-Q1 SN65LVDS050-Q1 SN65LVDS051-Q1
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
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TYPICAL CHARACTERISTICS (continued)
RECEIVER
LOW-LEVEL OUTPUT VOLTAGE
vs
RECEIVER
HIGH-LEVEL OUTPUT VOLTAGE
vs
LOW-LEVEL OUTPUT CURRENT
HIGH-LEVEL OUTPUT CURRENT
5
4
3
2
1
0
4
V
T
A
= 3.3 V
= 25°C
CC
V
T
A
= 3.3 V
= 25°C
CC
3
2
1
0
0
10
60
−80
−60
− High-Level Output Current − mA
0
20
30
40
50
−40
−20
I
− Low-Level Output Current − mA
I
OH
OL
Figure 11.
Figure 12.
DRIVER
DRIVER
HIGH-TO-LOW LEVEL PROPAGATION DELAY TIME
LOW-TO-HIGH LEVEL PROPAGATION DELAY TIME
vs
vs
FREE-AIR TEMPERATURE
FREE-AIR TEMPERATURE
2.5
2.5
2
2
V
CC
= 3.3 V
V
CC
= 3.3 V
V
CC
= 3 V
V
CC
= 3 V
V
= 3.6 V
30
V
= 3.6 V
30
CC
CC
1.5
−50
1.5
−50
−30 −10
10
50
90
−30 −10
10
50
90
70
70
T
A
− Free-Air Temperature − °C
T
A
− Free-Air Temperature − °C
Figure 13.
Figure 14.
14
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Product Folder Link(s): SN65LVDS179-Q1 SN65LVDS180-Q1 SN65LVDS050-Q1 SN65LVDS051-Q1
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
www.ti.com
SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
TYPICAL CHARACTERISTICS (continued)
RECEIVER
HIGH-TO-LOW LEVEL PROPAGATION DELAY TIME
vs
FREE-AIR TEMPERATURE
4.5
V
CC
= 3.3 V
4
V
CC
= 3 V
3.5
V
CC
= 3.6 V
3
2.5
−50
−30 −10
10
50
90
30
70
T
A
− Free−Air Temperature − °C
Figure 15.
RECEIVER
LOW-TO-HIGH LEVEL PROPAGATION DELAY TIME
vs
FREE-AIR TEMPERATURE
4.5
V
CC
= 3 V
4
V
CC
= 3.3 V
3.5
V
CC
= 3.6 V
3
2.5
−50
−30 −10
10
50
90
30
70
T
A
− Free-Air Temperature − °C
Figure 16.
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Product Folder Link(s): SN65LVDS179-Q1 SN65LVDS180-Q1 SN65LVDS050-Q1 SN65LVDS051-Q1
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
www.ti.com
APPLICATION INFORMATION
The devices are generally used as building blocks for high-speed point-to-point data transmission. Ground
differences are less than 1 V with a low common-mode output and balanced interface for low noise emissions.
Devices can interoperate with RS-422, PECL, and IEEE-P1596. Drivers/receivers maintain ECL speeds without
the power and dual supply requirements.
1000
30% Jitter
100
5% Jitter
10
1
24 AWG UTP 96 Ω (PVC Dielectric)
0.1
100k
1M
10M
100M
Data Rate – Hz
Figure 17. Data Transmission Distance Versus Rate
FAIL SAFE
One of the most common problems with differential signaling applications is how the system responds when no
differential voltage is present on the signal pair. The LVDS receiver is like most differential line receivers, in that
its output logic state can be indeterminate when the differential input voltage is between -100 mV and 100 mV
and within its recommended input common-mode voltage range. TI's LVDS receiver is different in how it handles
the open-input circuit situation, however.
Open-circuit means that there is little or no input current to the receiver from the data line itself. This could be
when the driver is in a high-impedance state or the cable is disconnected. When this occurs, the LVDS receiver
pulls each line of the signal pair to near VCC through 300-kΩ resistors as shown in Figure 11. The fail-safe
feature uses an AND gate with input voltage thresholds at about 2.3 V to VCC - 0.4 V to detect this condition and
force the output to a high-level regardless of the differential input voltage.
V
CC
300 kΩ
300 kΩ
A
R
t
100 Ω Typ
Y
B
V
IT
≈ 2.3 V
Figure 18. Open-Circuit Fail Safe of the LVDS Receiver
16
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Copyright © 2003–2011, Texas Instruments Incorporated
Product Folder Link(s): SN65LVDS179-Q1 SN65LVDS180-Q1 SN65LVDS050-Q1 SN65LVDS051-Q1
SN65LVDS179-Q1, SN65LVDS180-Q1
SN65LVDS050-Q1, SN65LVDS051-Q1
www.ti.com
SGLS204B –SEPTEMBER 2003–REVISED NOVEMBER 2011
It is only under these conditions that the output of the receiver will be valid with less than a 100-mV differential
input voltage magnitude. The presence of the termination resistor, Rt, does not affect the fail-safe function as
long as it is connected as shown in the figure. Other termination circuits may allow a dc current to ground that
could defeat the pullup currents from the receiver and the fail-safe feature.
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Product Folder Link(s): SN65LVDS179-Q1 SN65LVDS180-Q1 SN65LVDS050-Q1 SN65LVDS051-Q1
PACKAGE OPTION ADDENDUM
www.ti.com
17-Aug-2012
PACKAGING INFORMATION
Status (1)
Eco Plan (2)
MSL Peak Temp (3)
Samples
Orderable Device
Package Type Package
Drawing
Pins
Package Qty
Lead/
Ball Finish
(Requires Login)
SN65LVDS050IPWRQ1
SN65LVDS051DRG4Q1
ACTIVE
ACTIVE
TSSOP
SOIC
PW
D
16
16
2000
2500
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
SN65LVDS051DRQ1
ACTIVE
ACTIVE
SOIC
D
16
16
TBD
Call TI
Call TI
SN65LVDS051PWRG4Q1
TSSOP
PW
2000
2000
2500
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
SN65LVDS051PWRQ1
SN65LVDS180DRG4Q1
ACTIVE
ACTIVE
TSSOP
SOIC
PW
D
16
14
Green (RoHS
& no Sb/Br)
Green (RoHS
& no Sb/Br)
SN65LVDS180DRQ1
ACTIVE
ACTIVE
SOIC
D
14
14
TBD
Call TI
Call TI
SN65LVDS180PWRG4Q1
TSSOP
PW
2000
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
SN65LVDS180PWRQ1
ACTIVE
TSSOP
PW
14
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
(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.
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
17-Aug-2012
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 SN65LVDS050-Q1, SN65LVDS051-Q1, SN65LVDS180-Q1 :
Catalog: SN65LVDS050, SN65LVDS051, SN65LVDS180
•
NOTE: Qualified Version Definitions:
Catalog - TI's standard catalog product
•
Addendum-Page 2
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相关型号：
SN65LVDS051DRQ1
Automotive Catalog High-Speed Differential Line Drivers and Receivers 16-SOIC -40 to 85
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