TSH343IDT STMicroelectronics, TSH343IDT Datasheet - Page 10

• Manufacturer Part Number: TSH343IDT
• Description: IC BUFFER TRPL VID 280MHZ 8-SOIC
• Manufacturer: STMicroelectronics

Specifications of TSH343IDT

• Applications: Buffer
• Number Of Circuits: 3
• -3db Bandwidth: 280MHz
• Slew Rate: 780 V/µs
• Current - Supply: 14.4mA
• Current - Output / Channel: 90mA
• Voltage - Supply, Single/dual (±): 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-4987-2

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