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TSH345
(Rev.:2007)

Triple video buffer with selectable filter for HD and SD video applications

STMicroelectronics 

Electrical characteristics

TSH345

Table 3.

Symbol

Electrical characteristics at VCC = +5 V single supply, Tamb = 25°C

(unless otherwise specified) (continued)

Test conditions

Min. Typ. Max. Unit

Filtering

Bandwidth

F1 selected, small signal, VICM= 0.5 V, RL = 150 Ω

3 dB bandwidth

9.3

1 dB bandwidth

5.12 7.3

Standard Flatness

definition F1selected/F= 6 MHz, small signal, VICM = 0.5 V,

0.5

RL = 150 Ω

Attenuation

F1 selected/F=27 MHz, small signal, VICM = 0.5 V, 30

47

RL = 150 Ω

Bandwidth

F2 selected, small signal, VICM = 0.5 V, RL = 150 Ω

3 dB bandwidth

21.5

Standard 1 dB bandwidth

10.4 18.2

definition

with

Flatness

progressive F2 selected/F=12 MHz small signal, VICM = 0.5 V,

0.36

scanning RL = 150 Ω

Attenuation

F2 selected/F=54 MHz, small signal, VICM = 0.5 V, 34 42.7

RL = 150 Ω

Bandwidth

F3 selected, small signal, VICM = 0.5 V, RL = 150 Ω

3 dB bandwidth

35.6

1 dB bandwidth

22 30.8

High Flatness

definition F3 selected/F=30 MHz, small signal, VICM = 0.5 V,

0.46

RL = 150 Ω

Attenuation

F3 selected/F=74.25 MHz, small signal,

VICM = 0.5 V, RL = 150 Ω

TBD 36

D

Delay between each channel

0.5

Group delay variation

gd

10.3

F1 selected/F=0 to 6 MHz

Differential gain

Δg

0.5

F1 selected/F=6 MHz, RL = 150 Ω

Differential phase

ΔΦ

0.5

F1 selected/F=6 MHz, RL = 150 Ω

MHz

dB

dB

MHz

dB

dB

MHz

dB

dB

ns

ns

%

°

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