MAX4258EUA datasheet(4/16 Pages) MAXIM

Part #	MAX4258EUA

Description	350MHz/250MHz, 2-Channel Video Multiplexer-Amplifiers

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Manufacturer	MAXIM [Maxim Integrated Products]

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350MHz/250MHz, 2-Channel

Video Multiplexer-Amplifiers

4

_______________________________________________________________________________________

AC ELECTRICAL CHARACTERISTICS—MAX4258/MAX4259

(V+ = +5V, V- = -5V, VIN = 0V, VOUT = 0V, RL = 100Ω, TA = +25°C, unless otherwise noted.)

f = 30MHz, VOUT = 2Vp-p,

AV = 6dB (Note 4)

f = 30MHz, AV = 6dB (Note 4)

f = 30MHz, RS = 50Ω, AV = 6dB,

VIN = ±1Vp-p (Note 4)

AV = 6dB (Notes 4, 5)

f = 30MHz, AV = 6dB, EN = 5V,

VIN = ±1Vp-p (Note 4)

pF

3

COUT

Output Capacitance

dB

110

AV = 6dB, VOUT = 2Vp-p (Note 4)

AV = 6dB, VIN = 20mVp-p (Note 4)

AISO

Off-Isolation (MAX4259)

AV = 6dB, VIN = 20mVp-p (Note 4)

dBc

50

THD

VOUT = 2V step, AV = 6dB (Note 4)

Total Harmonic Distortion

AV = 6dB, VOUT = 2Vp-p (Note 4)

CONDITIONS

Ω

9

ZOUT

Output Impedance

dB

70

Xtalk

Channel-to-Channel Crosstalk

degrees

0.02

DP

Differential Phase Error

Channel on or off

pF

2

CIN

Input Capacitance

f = 100kHz

pA/

√Hz

22

in(FB)

FB Current-Noise Density

pA/

√Hz

2

in

Input Current-Noise Density

nV/

√Hz

2

en

Input Voltage-Noise Density

(Notes 6, 7)

ns

20

tSW

Channel-Switching Time

TA = TMIN to TMAX (Notes 6, 8)

ns

10

tS

Settling Time to 0.1%

V/µs

1000

SR

Slew Rate

10

tS

Address-Setup Time

(Note 6)

TA = TMIN to TMAX (Notes 6, 8)

(Notes 6, 9)

ns

20

tPDE

Enable Delay Time

AV = 6dB (Notes 4, 10)

(Notes 6, 9)

MHz

200

FPBW

Full-Power Bandwidth

MHz

130

BW(0.1)

Bandwidth for ±0.1dB Gain Flatness

MHz

250

BW

-3dB Bandwidth

mV

±90

VTRAN

ns

20

tLPD

Latch Propagation Delay

ns

10

tTH

Address-Hold Time

TA = TMIN to TMAX (Notes 6, 8)

ns

10

tLPW

Latch Pulse Width

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

Switching Transient

ns

20

tPDD

Disable Delay Time

AV = 6dB (Notes 4, 5)

%

0.01

DG

Differential Gain Error

Note 2: Does not include external feedback network resistance.

Note 3: Applies to all digital input pins (EN, LE, and A0).

Note 4: Specified with feedback network chosen for optimal AC performance. See Tables 1 and 2 for recommended component

values.

Note 5: Input test signal: 3.58MHz sine wave of amplitude 40IRE superimposed on a linear ramp (0IRE to 100IRE). IRE is a unit of

video-signal amplitude developed by the International Radio Engineers. 140IRE = 1.0V.

Note 6: See timing diagram (Figure 5).

Note 7: Channel-switching time specified for switching between the two input channels; does not include signal rise/fall times for

switching between channels with different input voltages.

Note 8: Guaranteed by design; not production tested.

Note 9: Output enable/disable delay times do not include amplifier output slewing times.

Note 10: Switching transient measured while switching between two grounded channels.

AMPLIFIER CHARACTERISTICS

SWITCHING CHARACTERISTICS

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