EL4390C 데이터 시트보기 (PDF) - Elantec -> Intersil

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EL4390C

Triple 80 MHz Video Amplifier with DC Restore

Elantec -> Intersil 

EL4390C

Triple 80 MHz Video Amplifier with DC Restore

Open Loop DC Electrical Characteristics Supplies at g15V Load e 1KX Contd

Parameter

Description

Temp

Min

Typ

Max

Test

Level

Units

Restoring Section

IIL RES

RES Input Current Logic Low

a25 C

2

10

II

mA

IIH RES

RES Input Current Logic High

a25 C

05

3

II

mA

Note 1 For current feedback amplifiers AVOL e ROL RINb

Note 2 VCM e g10V for VS e g15V

Note 3 Measured from VCL to amplifier output while restoring

Note 4 VOS is measured at VS e g4 5V and VS e g16V both supplies are changed simultaneously

Closed Loop AC Electrical Characteristics

Supplies at g15V Load e 150X and 15 pF TA e 25 C (See note 7 re test fixture)

Parameter

Description

Min

Typ

Amplifier Section

Max

Test

Level

Units

SR

Slew Rate (Note 5)

800

SR

Slew Rate w g5V Supplies (Note 5)

550

V

V ms

V

V ms

BW

Bandwidth b3dB AV e 1

g5V Supplies b3dB

95

V

MHz

72

V

MHz

BW

Bandwidth b0 1 dB

g5V Supplies b0 1dB

20

V

MHz

14

V

MHz

dG

Differential Gain at 3 58 MHz

at g5V Supplies (Note 6)

0 02

V

%

0 02

V

%

di

Differential Phase at 3 58 MHz

at g5V Supplies (Note 6)

Restoring Section

0 03

V

()

0 06

V

()

TRE

Time to Enable Restore

35

V

ns

TRD

Time to Disable Restore

35

V

ns

Note 5 SR is measured at 20% to 80% of 4V pk-pk square wave with AV e 5 RF e 820X RG e 200X

Note 6 DC offset from b0 714V to a0 714V AC amplitude is 286m Vp-p equivalent to 40 ire

Note 7 Test fixture was designed to minimize capacitance at the INb input A ‘‘good’’ fixture should have less than 2 pF of stray

capacitance to ground at this very sensitive pin See application notes for further details

3

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