EL2228CY datasheet(3/12 Pages) INTERSIL

Part #	EL2228CY

Description	Dual Low Noise Amplifier

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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Electrical Specifications

VS+ = +5V, VS- = -5V, RL = 500Ω and CL = 3pF to 0V, RF = 420Ω and TA = +25°C unless otherwise specified.

PARAMETER

DESCRIPTION

CONDITIONS

MIN

TYP

MAX

UNIT

INPUT CHARACTERISTICS

VOS

Input Offset Voltage

VCM = 0V

0.6

3

mV

TCVOS

Average Offset Voltage Drift

Measured over operating temperature range

4.9

µV/°C

IB

Input Bias Current

VCM = 0V

-9

-4.5

-1

µA

RIN

Input Impedance

6

M

Ω

CIN

Input Capacitance

1.2

pF

CMIR

Common-Mode Input Range

-4.7

+3.4

V

CMRR

Common-Mode Rejection Ratio

for VIN from -4.7V to +3.4V

60

90

dB

for VIN from -2V to +2V

dB

AVOL

Open-Loop Gain

-2.5V

≤ V

OUT ≤ 2.5V

60

72

dB

eN

Voltage Noise

f = 100kHz

4.7

nV/

√Hz

iN

Current Noise

f = 100kHz

1.2

pA/

√Hz

OUTPUT CHARACTERISTICS

VOL

Output Swing Low

RL = 500Ω

-3.8

-3.5

V

RL = 250Ω

-3.7

-3.5

V

VOH

Output Swing High

RL = 500Ω

3.5

3.7

V

RL = 250Ω

3.5

3.6

V

ISC

Short Circuit Current

RL = 10Ω

60

100

mA

POWER SUPPLY PERFORMANCE

PSRR

Power Supply Rejection Ratio

VS is moved from ±4.5V to ±5.5V

65

83

dB

IS

Supply Current (Per Amplifier)

No load

3.5

4.5

5.5

mA

DYNAMIC PERFORMANCE

SR

Slew Rate (Note 1)

±2.5V square wave, measured 25%-75%

35

50

V/µs

tS

Settling to +0.1% (AV = +1)

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

50

ns

BW

-3dB Bandwidth

75

MHz

HD2

2nd Harmonic Distortion

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

-90

dBc

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

-71

dBc

HD3

3rd Harmonic Distortion

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

-99

dBc

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

-69

dBc

3

FN7008.2

May 3, 2007

NOTE:

1. Slew rate is measured on rising and falling edges

EL2228

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