EL2125CS datasheet(3/10 Pages) ELANTEC

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EL2125C - Preliminary

Ultra-low Noise, Low Power, Wideband Amplifier

Electrical Characteristics

VS = ±15V, TA = 25°C, RF = 180Ω, RG = 20Ω, RL = 500Ω unless otherwise specified.

Parameter

Description

Conditions

Min

Typ

Max

Unit

DC Performance

VOS

Input Offset Voltage (SO8 & PDIP8)

-0.2

Input Offset Voltage (SOT23-5)

TCVOS

Offset Voltage Temperature Coefficient

TBD

µV/°C

Input Bias Current

-30

-21

µA

IOS

Input Bias Current Offset

0.16

µA

TCIB

Input Bias Current Temperature Coefficient

TBD

nA/°C

CIN

Input Capacitance

2.2

AVOL

Open Loop Gain

PSRR

Power Supply Rejection Ratio [1]

CMRR

Common Mode Rejection Ratio [2]

100

CMIR

Common Mode Input Range

TBD

VOUT

Output Voltage Swing

No load, RF = 1kΩ

13.5

VOUTL

Output Voltage Swing

Positive, RF = 180Ω, RL = 500Ω

12.1

Negative

-11.3

IOUT

Output Short Circuit Current [3]

100

150

Supply Current

10.8

AC Performance - RG = 20Ω, CL = 5pF

-3dB Bandwidth

220

MHz

BW ±0.1dB

±0.1dB Bandwidth

MHz

BW ±1dB

±1dB Bandwidth

MHz

Peaking

2.5

Slew Rate

VOUT = 2VPP, measured at 20% to 80%

TBD

225

V/µs

Overshoot, 4Vpk-pk Output Square Wave

0.6

Settling Time to 0.1% of ±1V Pulse

TBD

Voltage Noise Spectral Density

0.95

nV/

√Hz

Current Noise Spectral Density

2.1

pA/

√Hz

HD2

2nd Harmonic Distortion [4]

TBD

dBc

HD3

3rd Harmonic Distortion [4]

TBD

dBc

THD

Total Harmonic Distortion [5]

TBD

dBc

IMD

Intermodulation Distortion [6]

TBD

1. Measured by moving the supplies from ±13.5V to ±16.5V

2. Measured by moving the inputs from +13.5V to -14.4V

3. Pulse test only

4. Frequency = 10MHz, VOUT = 1Vpk-pk, into 100Ω and 5pF load

5. Frequency = 20MHz, VOUT = -20dBm (0.0274VRMS) into 500Ω and 15pF load

6. Two-tone IMD, frequencies = 5MHz and 6MHz at -20dBm output level, RLOAD = 500Ω and 15pF

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