LT-122
1
92
37 30
LT-1222CH SPI Signal Amplifier
LT-122 2CH SPI Signal Amplifier
LT-122 SPI amplifier can realize SPI (TTL) signal’s expansion, amplification and distribution. Especially suitable for multi-
channel sync control projects. It can copy the changes of one channel LEDs to others, so you can connect dozens LEDs than
before by install several signal amplifiers, and save lots of money on the project.
LT-122 SPI signal amplifier is full compatibility. can be used to expand all manufacturers' SPI(TTL) signal controller and
lamp's signal in market. And It can connect with SPI(TTL) signal of all ICs .
1. Parameter:
2. Product Size:
Working Temp.
Package Size
Weight(G.W.)
L92×W37×H30mm
L123×W43×H42mm
Dimension
-3330 ~55℃ ℃
110g
warranty5 years
Input Voltage:
Input Signal:
Output Signal:
Waterproof Level:
5~36Vdc
2CH SPI(TTL)
IP66
1CH SPI(TTL)
OUT1OUT3OUT5OUT7OUT9OUT11OUT13OUT15
OUT2OUT4OUT6OUT8OUT10OUT12OUT14OUT16
MODE +
MODE -
SPEED +
SPEED -
M1
M2
SETUP
ENTER
LT-600100-240Vac
DINCLKLATGND DINCLKLATGND DINCLKLATGND DINCLKLATGND DINCLKLATGND
3 4 5
C1 D1 E1C2 D2 E2
A2 C2B2 D2E1 E2
LT-122 LT-122 LT-122
1 2
A1 B1A2 B2
A1 C1B1 D1
LT-122 LT-122
2
SPI Signal InputSignal Output 1
Signal Output 2
5~36VdcPower Input
These three SPI signalinput line can be twisted together
5-36Vdc 5-36Vdc
30 DMX MODE
FUN
DC+ DATA CLKDC DC GND
SPI OUT
D C L G
DMX INDMX IN
29 DMX DECODE
DMX ADDRESS 001:30 DMX MODE
FUN
DC+ DATA CLKDC DC GND
SPI OUT
D C L G
DMX INDMX IN
29 DMX DECODE
DMX ADDRESS 001:
+ ++ ++ +
LT-122 LT-122
LT-122 2CH SPI Signal Amplifier
www.ltech-led.com
3. Wiring Diagram:
3.1 LED strip signal expansion of WS2811 single wire. 3.2 LED strip signal expansion of WS2801 double wire.
SPI signal output
SPI signal output
Power Adapter Power Adapter100-240Vac 100-240Vac
3.3 Multiple pixel screen synchronous display.
These three SPI output linecan’t be twisted together.(the amplifier maybe )burned
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
5-36Vdc
3.4 Distance display:
100-240Vac 100-240Vac 100-240Vac 100-240Vac
3 4
C. Several piece relay extending
12Vdc
12Vdc 12Vdc
12dc
12Vdc
5-36Vdc 5-36Vdc 5-36Vdc
5-36Vdc
5-36Vdc
5-36Vdc
20 meters
20 meters
20 meters 20 meters
20 meters
20 meters
5-36Vdc
12Vdc
12Vdc
12Vdc 12Vdc 12Vdc
12Vdc
12Vdc
Update time:2019.03.14_A1
LT-122 2CH SPI Signal Amplifier LT-122 2CH SPI Signal Amplifier
A. Signal wire extending between controller and LED lamps.
SPI signal ouput
SPI signal ouput
SPI signal ouput
SPI signal ouput
SPI signal ouput
SPI signal ouput
Power Adapter Power Adapter Power Adapter Power Adapter
The signal wire is recommended to bewithin 20 meters.
The signal wire is recommended to bewithin 20 meters.
The signal wire is recommended to bewithin 20 meters.
The signal wire is recommended to bewithin 20 meters.
The signal wire is recommended to bewithin 20 meters.
The signal wire is recommended to bewithin 1 meter.
The signal wire is recommended to bewithin 1 meter.
The signal wire is recommended to bewithin 20 meters.
The signal wire is recommended to bewithin 20 meters.
The signal wire is recommended to bewithin 20 meters.
Single signal wire
Single signal wire
Single signal wire
Double signal wire
Double signal wire
Double signal wire
The Max output is
6CH of single signal line
Single signal colorful LED strip
Single signal colorful LED strip
Single signal colorful LED strip
Single signal colorful LED strip
Double signal colorful LED strip
Double signal colorful LED strip
Double signal colorful LED strip
Double signal colorful LED strip
Power supply
Power supply
LT-122LT-122
LT-122 LT-122
LT-122
LT-122 LT-122
LT-122
SPI OUT
D C L G
DMX IN
DMX IN
LT-200 SPI OUT
D C L G
DMX IN
DMX IN
LT-200
LT-200 LT-200
SPI OUT
D C L G
DMX IN
DMX IN
LT-200 SPI OUT
D C L G
DMX IN
DMX IN
LT-200
POWER POWEROUTPUT OUTPUT
DC+ DATA CLKDC DC GND DC+ DATA CLKDC DC GND
DC DCL LN NAC AC
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104RS
471
471
Data
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
No further notice if any changes in the manual.Product function depends on the goods. Please feel free to contact our official distributor if any question.
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
IN
GND
+VC
RI750
R
511
471
471
BR
G
R
511
471
471
OUTGND
682
R
511
104
RS
471
471
B. Signal wire extending between LED lamps.
Top Related