TSH345(2007) 데이터 시트보기 (PDF) - STMicroelectronics

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TSH345
(Rev.:2007)

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

STMicroelectronics 

TSH345

2

Electrical characteristics

Electrical characteristics

Table 3.

Symbol

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

(unless otherwise specified)

Test conditions

Min. Typ. Max. Unit

DC performance

Output DC shift

VDC

RL = 150 Ω, Tamb

-40° C < Tamb < +85° C

197 329 389 mV

405

Input bias current

Iib

Tamb , input to GND

-40° C < Tamb < +85° C

Rin

Input resistance, Tamb

0.85 1.5 2.9

µA

2.38

12.6

GΩ

Cin

Input capacitance, Tamb

0.1

pF

Total supply current

ICC

No load, input to GND

-40°C < Tamb < +85°C

50.7 65

mA

TBD

Power supply rejection ratio 20 log (ΔVout/ΔVCC)

PSRR

Input to GND, RL = 150 Ω ΔVCC :

100 mVp/F = 1 MHz, CLF = 470 nF, CHF = 100 µF

-70

dB

DC voltage gain

G

RL = 150Ω, Vin = 0.5V

-40°C < Tamb < +85°C

1.94 1.99 2.02 V/V

2

Variation of the DC voltage gain between inputs of

DG

0.3 V and 1 V

Input step from 0.3 V to 1 V

0.2 0.5

%

MG1

MG0.3

Gain matching between 3 channels, input = 1 V

Gain matching between 3 channels, input = 0.3 V

0.5

1

%

0.5

1

%

Output characteristics

High level output voltage

VOH

RL = 150 Ω

-40° C < Tamb < +85° C

Low level output voltage(1)

VOL

RL = 150 Ω

-40° C < Tamb < +85° C

Isource

Tamb

-40° C < Tamb < +85° C

Iout

Isink

-40° C < Tamb < +85° C

3.84 3.87

V

TBD

33

40

mV

TBD

91

46

mA

79

TBD 145

mA

102

3/14

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