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TSH341IDT

P1-P3P4-P6P7-P9P10-P12P13-P13
TSH341 Using the TSH341 to Drive Video Signals
10/13
5 Using the TSH341 to Drive Video Signals
Figure 25. Implementation of the video driver on output video DACs
Synchronization Tip
0 IRE
Black Level
Image Content
30 IRE
White Level
100 IRE
1Vp-p
300mV
0V
150mV
Synchronization Tip
0 IRE
Black Level
Image Content
30 IRE
White Level
100 IRE
1Vp-p
300mV
0V
150mV
V
OL
(50MHz) = 150mV (Figure 8)
To drive the video signal properly, the output of the driver must be at least equal to
250mV (assuming V
io
and V
OL
variations).
z 1st solution:
Set the video DAC 0-IRE output level to 125mV.
z 2nd solution:
Implementation of a DC component in the input of the driver.
33uF
1.125V
125mV
time
Volt
75Ω
75Ω Cable
75Ω
1Vpp
2Vpp
1Vpp
Video
DAC
2.250V
time
Volt
LPF
Reconstruction
Filtering
250mV
1k
DC component
=125mV
Video
Signal
Video
Signal
+5V
+
_
Rfb
Rg
33uF
1.125V
125mV
time
Volt
1.125V
125mV
time
1.125V
125mV
time
Volt
75Ω
75Ω Cable
75Ω
1Vpp1Vpp
2Vpp
1Vpp1Vpp
Video
DAC
2.250V
time
Volt
LPF
Reconstruction
Filtering
250mV
1k
DC component
=125mV
Video
Signal
Video
Signal
+5V
+
_
Rfb
Rg
+5V
1.125V
125mV
time
Volt
75Ω
75Ω Cable
75Ω
1Vpp
2Vpp
1Vpp
Video
DAC
2.250V
time
Volt
LPF
Reconstruction
Filtering
250mV
Video
Signal
Video
Signal
+
_
Rfb
Rg
+5V
1.125V
125mV
time
Volt
1.125V
125mV
time
1.125V
125mV
time
Volt
75Ω
75Ω Cable
75Ω
1Vpp1Vpp
2Vpp
1Vpp1Vpp
Video
DAC
2.250V
time
Volt
LPF
Reconstruction
Filtering
250mV
Video
Signal
Video
Signal
+
_
Rfb
Rg
Package Mechanical Data TSH341
11/13
6 Package Mechanical Data
6.1 SO-8 Package
DIM.
mm. inch
MIN. TYP MAX. MIN. TYP. MAX.
A 1.35 1.75 0.053 0.069
A1 0.10 0.25 0.04 0.010
A2 1.10 1.65 0.043 0.065
B 0.33 0.51 0.013 0.020
C 0.19 0.25 0.007 0.010
D 4.80 5.00 0.189 0.197
E 3.80 4.00 0.150 0.157
e 1.27 0.050
H 5.80 6.20 0.228 0.244
h 0.25 0.50 0.010 0.020
L 0.40 1.27 0.016 0.050
k ˚ (max.)
ddd 0.1 0.04
SO-8 MECHANICAL DATA
0016023/C
8
TSH341 Package Mechanical Data
12/13
6.2 SOT23-5L (5-pin) package
DIM.
mm. mils
MIN. TYP MAX. MIN. TYP. MAX.
A 0.90 1.45 35.4 57.1
A1 0.00 0.15 0.0 5.9
A2 0.90 1.30 35.4 51.2
b 0.35 0.50 13.7 19.7
C 0.09 0.20 3.5 7.8
D 2.80 3.00 110.2 118.1
E 2.60 3.00 102.3 118.1
E1 1.50 1.75 59.0 68.8
e.95 37.4
e1 1.9 74.8
L 0.35 0.55 13.7 21.6
SOT23-5L MECHANICAL DATA
0
P1-P3P4-P6P7-P9P10-P12P13-P13

TSH341IDT

Mfr. #:
Buy TSH341IDT
Manufacturer:
STMicroelectronics
Description:
Video Amplifiers 300MHz Sngl Supply Video Amp
Lifecycle:
New from this manufacturer.
Delivery:
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