EL4089CS datasheet(3/8 Pages) ELANTEC

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EL4089C

DC Restored Video Amplifier

Open Loop DC Electrical Characteristics

Contd

Provisional Supplies at g15V Load e 1k

X TA ea25 C

Parameter

Description

Temp

Min

Typ

Max

Test

Units

Level

Restore Section

Contd

PSRR

Power Supply Rejection Ratio (Note 4)

25 C60

VTHRESHOLD

HOLD Logic Threshold

25 C

IIH Hold

HOLD Input Current

Logic High

25 C1

IIL Hold

HOLD Input Current

Logic Low

25 C

Supply Current

Isy Hold

Supply Current (HOLD e 5V)

25 C

Isy Sampling

Supply Current (HOLD e 0V)

25 C

110

Closed Loop AC Electrical Characteristics

Provisional Supplies at g15V Load e 150

X and 15 pF Rf and Rg e 300X AV e 2 TA e 25 C (See Note 7 about Test Fixture)

Parameter

Description

Min

Typ

Max

Test

Units

Level

Amplifier Section

Slew Rate (Note 5)

500

Slew Rate with g5V Supplies

275

(Note 5)

Bandwidth

3 dB

MHz

5V Supplies

3 dB

MHz

Bandwidth

01 dB

MHz

5V Supplies

01 dB

MHz

Differential Gain

VS e g15V

002

at 358 MHz (Note 6)

VS e g5V

003

dPh

Differential Phase

VS e g15V

005

at 358 MHz (Note 6)

VS e g5V

006

Restore Section

Restore Amplifier Slew Rate

(Test Circuit) 20% – 80%

THE

Time to Enable Hold

THD

Time to Disable Hold

Note 1 For current feedback amplifiers AVOL e ROL RINb

Note 2 VCM e g10V for VS e g15V

Note 3 Measured from SH Input to amplifier output while restoring

Note 4 VOS is measured at VS e g45V and VS e g16V both supplies are changed simultaneously

Note 5 SR measured at 20% to 80% of a 4V pk-pk square wave

Note 6 DC offset from b0714V through a0714V ac amplitude is 286 mVp-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

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