line losses (driven signal minus receiver threshold (340mV -
100mV = 250mV)). The signal is centered around +1.2V (Driver
Offset, V
OS
) with respect to ground as shown in Figure 4.
Note:
The steady-state voltage (V
SS
) peak-to-peak swing is twice the
differential voltage (V
OD
) and is typically 700mV.
All other combinations
of ENABLE inputs
PIN DESCRIPTION
Pin No.
1, 7, 9, 15
2, 6, 10, 14
3, 5, 11, 13
4
12
16
8
Name
D
IN
D
OUT+
D
OUT-
EN
EN
V
DD
V
SS
Description
Driver input pin, TTL/CMOS
compatible
Non-inverting driver output pin,
LVDS levels
Inverting driver output pin,
LVDS levels
Active high enable pin, OR-ed
with EN
Active low enable pin, OR-ed
with EN
Power supply pin, +3.3V + 0.3V
Ground pin
2
3V
D
IN
D
OUT-
SINGLE-ENDED
D
OUT+
V
0D
0V
V
OH
V
OS
V
OL
+V
OD
0V (DIFF.)
0V
-V
OD
D
OUT+
- D
OUT-
DIFFERENTIAL OUTPUT
Note: The footprint of the UT54LVDM031LV is the same as the
industry standard Quad Differential (RS-422) Driver.
V
SS
The current mode driver provides substantial benefits over
voltage mode drivers, such as an RS-422 driver. Its quiescent
current remains relatively flat versus switching frequency.
Whereas the RS-422 voltage mode driver increases
exponentially in most cases between 20 MHz - 50 MHz. This is
due to the overlap current that flows between the rails of the
device when the internal gates switch. Whereas the current mode
driver switches a fixed current between its output without any
substantial overlap current. This is similar to some ECL and
PECL devices, but without the heavy static I
CC
requirements of
the ECL/PECL design. LVDS requires 80% less current than
similar PECL devices. AC specifications for the driver are a
tenfold improvement over other existing RS-422 drivers.
The Three-State function allows the driver outputs to be
disabled, thus obtaining an even lower power state when the
transmission of data is not required.
Figure 4. Bus-LVDS Driver Output
ABSOLUTE MAXIMUM RATINGS
1
(Referenced to V
SS
)
SYMBOL
V
DD
V
I/O
PARAMETER
DC supply voltage
Voltage on any pin during operation
Voltage on any pin during cold spare
T
STG
P
D
T
J
JC
I
I
Storage temperature
Maximum power dissipation
Maximum junction temperature
2
Thermal resistance, junction-to-case
3
DC input current
LIMITS
-0.3 to 4.0V
-0.3 to (V
DD
+ 0.3V)
-.3 to 4.0V
-65 to +150C
1.25 W
+150C
10C/W
±
10mA
Notes:
1. Stresses outside the listed absolute maximum ratings may cause permanent damage to the device. This is a stress rating only, and functional operation of the device
at these or any other conditions beyond limits indicated in the operational sections of this specification is not recommended. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability and performance.
2. Maximum junction temperature may be increased to +175C during burn-in and life test.
3. Test per MIL-STD-883, Method 1012.
RECOMMENDED OPERATING CONDITIONS
SYMBOL
V
DD
T
C
V
IN
PARAMETER
Positive supply voltage
Case temperature range
DC input voltage
3
LIMITS
3.0 to 3.6V
-55 to +125C
0V to V
DD
DC ELECTRICAL CHARACTERISTICS
1, 2
(V
DD
= 3.3V + 0.3V; -55C < T
C
< +125C)
SYMBOL
V
IH
V
IL
V
OL
V
OH
I
IN
I
CS
V
OD1
V
OD1
V
OS
V
OS
V
CL3
I
OS2, 3
I
OZ3
I
CCL3
I
CCZ3
PARAMETER
High-level input voltage
Low-level input voltage
Low-level output voltage
High-level output voltage
Input leakage current
Cold Spare Leakage Current
Differential Output Voltage
Change in Magnitude of V
OD
for
Complementary Output States
Offset Voltage
Change in Magnitude of V
OS
for
Complementary Output States
Input clamp voltage
Output Short Circuit Current
(TTL)
(TTL)
R
L
= 35
R
L
= 35
V
IN
= V
DD
or GND, V
DD
= 3.6V
V
IN
=3.6V, V
DD
=V
SS
R
L
= 35
(figure 5)
R
L
= 35
(figure 5)
R
L
= 35, V
OS
=
VOH + VOL
--------------------------------
-
2
CONDITION
MIN
2.0
V
SS
0.855
MAX
V
DD
0.8
UNIT
V
V
V
1.750
-10
-20
250
+10
+20
400
35
1.055
1.550
35
-1.5
45
V
A
mV
mV
V
mV
V
mA
mA
R
L
= 35
(figure 5)
I
CL
= +18mA
V
IN
= V
DD
, V
OUT+
= 0V or
V
IN
= GND, V
OUT-
= 0V
EN = 0.8V and EN = 2.0 V,
V
OUT
= 0V or V
DD,
V
DD
= 3.6V
R
L
= 35 all channels
V
IN
= V
DD
or V
SS
(all inputs)
D
IN
= V
DD
or V
SS
EN = V
SS
, EN = V
DD
-10
Output Three-State Current
Loaded supply current, drivers
enabled
Loaded supply current, drivers
disabled
+10
60.0
mA
6.0
Notes:
1. Current into device pins is defined as positive. Current out of device pins is defined as negative. All voltages are referenced to ground except differential voltages.
2. Output short circuit current (I
OS
) is specified as magnitude only, minus sign indicates direction only.
Compared with UBOOT, KERNEL, ROOTFS, device driver, and DSP development, UBL programming is relatively simple. Let's start with the startup of DAVINCI to understand the position and role of UBL in the...
I am doing my graduation thesis, the topic is the design and application of LCD driven by single chip microcomputer. I am not very good at learning, I don't know how to connect mega128 and LCD19264. P...
After long pressing the screen, a circle appears, but the display is incomplete. How to modify the code case WM_LBUTTONDOWN: SHRGINFO shrg; shrg.cbSize = sizeof(shrg); shrg.hwndClient = hWnd; shrg.ptD...
[Source: CSDN]
The crash of a drone may not be unusual, but the crash of dozens or even hundreds of drones into a building is too "spectacular". According to netizens, on the evening of January 25, hu...
I would like to ask: when I buy and register the same version of IAR.for.MSP430 compilation tools, which one is better, EW430-KS-web-4212 (106M) or EW430-EV-web-4212 (88M). I look forward to your advi...
Nios II is a configurable 16-/32-bit RISC processor. Combined with a rich set of peripheral-specific instructions and hardware acceleration units, it provides a highly flexible and powerful SOPC sy...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
In mobile technology, sensors are the primary input for measured signals and form a component of a sensor system. They include sensitive and transducer elements connected to carriers and circuits. ...[Details]
Logic analyzers are widely used tools in digital design verification and debugging. They can verify the proper functioning of digital circuits and help users identify and troubleshoot faults. They ...[Details]
introduction
As “energy conservation and emission reduction” has become an indicator of the National Economic Development Outline of the 11th Five-Year Plan, people’s awareness of green enviro...[Details]
In the scorching summer, electric fans are a must-have for cooling down people's homes. However, I believe most people have encountered this situation: the fan is plugged in, the switch is pressed,...[Details]
Electric vehicles' 12V batteries don't rely on a generator to power them. Only gasoline-powered vehicles rely on the engine to drive a generator to generate electricity while driving, which is used...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
Linear motor modules have become the "sweet spot" in various fields due to their advantages such as long stroke, fast speed, high precision, smooth operation and long life. Different models of line...[Details]
My career has been closely tied to the semiconductor industry. From product management to content marketing, I've provided countless forecasts and predictions across a variety of roles. Whethe...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
Lightweighting of automobiles is still a relatively unfamiliar term for automobiles. With the continuous improvement of environmental protection requirements, relevant regulations have also put for...[Details]
From time to time, I see some audiophiles spending a lot of money or a lot of time to DIY speakers, but the results are not what they want. Below I list some of the small experiences I summarized b...[Details]
The mobile computing market is rapidly evolving, and manufacturers are fiercely competing for market share. A key area of competition is battery life, which encompasses two key aspects: how long th...[Details]
01. Introduction
As in-vehicle networks migrate from the CAN
bus
to
Ethernet
, traditional millisecond-level synchronization accuracy can no longer meet the requirements of mul...[Details]
Industrial Control Electronics
京公网安备 11010802033920号
EEWORLD
