EL2228CS datasheet(2/12 Pages) ELANTEC

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EL2228C - Preliminary

Dual Low Noise Amplifier

Absolute Maximum Ratings (T

A = 25°C)

Values beyond absolute maximum ratings can cause the device to be pre-

maturely damaged. Absolute maximum ratings are stress ratings only

and functional device operation is not implied.

Supply Voltage between VS+ and VS-

+28V

Input Voltage

VS- - 0.3V, VS +0.3V

Maximum Continuous Output Current

40mA

Maximum Die Temperature

+125°C

Storage Temperature

-65°C to +150°C

Operating Temperature

-40°C to +85°C

Lead Temperature

260°C

Power Dissipation

See Curves

ESD Voltage

2kV

Important Note:

All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all tests are at the

specified temperature and are pulsed tests, therefore: TJ = TC = TA

Electrical Characteristics

VS+= +12V, VS - = -12V, RL = 500Ω and CL = 3pF to 0V, RF = 420Ω & TA = 25°C unless otherwise specified.

Parameter

Description

Condition

Min

Typ

Max

Unit

Input Characteristics

VOS

Input Offset Voltage

VCM = 0V

0.2

TCVOS

Average Offset Voltage Drift

[1]

-4

µV/°C

Input Bias Current

VCM = 0V

-9

-4.5

-1

µA

RIN

Input Impedance

Ω

CIN

Input Capacitance

CMIR

Common-Mode Input Range

-11.8

+10.4

CMRR

Common-Mode Rejection Ratio

for VIN from -11.8V to +10.4V

for VIN from -10V to +10V

AVOL

Open-Loop Gain

-5V

≤ VOUT ≤ 5V

Voltage Noise

f = 100kHz

4.9

nV/

√Hz

Current Noise

f = 100kHz

1.2

pA/

√Hz

Output Characteristics

VOL

Output Swing Low

RL = 500Ω

-10.3

-10

RL = 250Ω

-9.5

-9

VOH

Output Swing High

RL = 500Ω

10.3

RL = 250Ω

9.5

ISC

Short Circuit Current

RL = 10Ω

140

180

Power Supply Performance

PSRR

Power Supply Rejection Ratio

VS is moved from ±10.8V to ±13.2V

Supply Current (Per Amplifier)

No load

Dynamic Performance

Slew Rate [2]

±2.5V square wave, measured 25%-75%

V/µs

Settling to +0.1% (AV = +1)

(AV = +1), VO = 2V step

-3dB Bandwidth

MHz

HD2

2nd Harmonic Distortion

f = 1MHz, VO = 2VP-P, RL = 500Ω, AV = 2

-86

dBc

f = 1MHz, VO = 2VP-P, RL = 150Ω, AV = 2

-79

dBc

HD3

3rd Harmonic Distortion

f = 1MHz, VO = 2VP-P, RL = 500Ω, AV = 2

-93

dBc

f = 1MHz, VO = 2VP-P, RL = 150Ω, AV = 2

-70

dBc

1. Measured over operating temperature range

2. Slew rate is measured on rising and falling edges

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