EL4451CS datasheet(3/12 Pages) ELANTEC

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EL4451C

Wideband Variable-Gain Amplifier Gain of 2

Open-Loop DC Electrical Characteristics

Contd

Power Supplies at g5V TA e 25 C RL e 500X

Parameter

Description

Min

Typ

Max

Test

Units

Level

CMRR

Common-mode rejection ratio of VIN

PSRR

Power supply rejection ratio of VOS FB VS e g5V to g15V

Output voltage swing VS e g5V

(VIN e 0 VREF varied) VS e g15V

125

128

ISC

Output short-circuit current

Supply current VS e g15V

155

Closed-Loop AC Electrical Characteristics

Power supplies at g12V TA e 25 C RL e 500X CL e 15pF VG e 1V

Parameter

Description

Min

Typ

Max

Test

Units

Level

BW b3dB

3dB small-signal bandwidth signal input

MHz

BW g01dB

01dB flatness bandwidth signal input

MHz

Peaking

Frequency response peaking

BW gain

3dB small-signal bandwidth gain input

MHz

Slew rate VOUT between b2V and a2V RF e RG e 500X

400

Input referred noise voltage density

110

nV SHz

Differential gain error Voffset between b07V and a07V

Differential phase error Voffset between b07V and a07V

0 2

Test Circuit

4451 – 3

Note For typical performance curves RF e 0 RG e % VGAIN e 1V RL e 500X and CL e 15 pF unless otherwise noted

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