TSH345 STMicroelectronics, TSH345 Datasheet - Page 12

• Manufacturer Part Number: TSH345
• Description: Single supply triple video buffer and selectable filter for HD and SD video applications
• Manufacturer: STMicroelectronics

Electrical characteristics
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Figure 27. Circuit for noise rejection improvement measurement
Figure 28
and depending on how carefully power supply decoupling is achieved.
Figure 28. Power supply noise rejection
shows how the power supply noise rejection evolves according to the frequency
+5 V
-10
-20
-30
-40
-50
-60
-70
-80
0
10k
T-bias
50
Vcc=5V(dc)+0.2Vp-p(ac)
Decoupling capacitor: 10µF+100nF
Load=150
Noise rejection=20 log (
coil=560µH
C
HF
Coil
Ω
100k
TSH345
no coil
Frequency (Hz)
+
Δ
VCC/
C
1M
LF
Δ
Vout)
50
10M
AGILENT
S
R
4395A
A
100M
AM00817
TSH345