TSH343 STMicroelectronics, TSH343 Datasheet - Page 10

• Manufacturer Part Number: TSH343
• Description: 280MHz single-supply triple video buffer
• Manufacturer: STMicroelectronics

Specifications of TSH343

• Bandwidth: 280MHz
• Slew Rate: 780V/μs

Application information
3
3.1
10/17
Application information
Using the TSH343 to drive Y-Pb-Pr video components
Figure 25. Shapes of video signals coming from DACs
Figure 26. TSH343 in single supply for any DAC output
1. See the TSH344 datasheet on st.com for more information. It is possible to drive RGB signals with the
TSH344.
video
outputs
video
outputs
DAC
DAC
DAC
DAC
DAC
DAC
Y,G
Pb,B
Pr,R
R
G
B
GND
(+synchro)
300mV
10mV
TSH343
TSH344
27ns
(2t)
+5V
+5V
SO8
SO8
590ns
(44t)
Synchronization tip
54ns
(4t)
590ns
Amplitude
(44t)
1Vp-p
Digital synchro
75Ω
75Ω
75Ω
75Ω
75Ω
75Ω
27ns
(2t)
LPF
LPF
LPF
LPF
LPF
LPF
300mV
14.8µs (1100t): 1920*1080i
24.3µs (1800t): 1280*720i
700mV
30MHz
Cable
Cable
Cable
Cable
Cable
Cable
•Fclock=74.25MHz
•t=1/Fclock=13.5ns
Frequency
White (100 IRE)
Black (30 IRE)
(0 IRE)
time
1.030V
0.330V
0.030V
HDTV
TSH343