MAX14808 데이터 시트보기 (PDF) - Maxim Integrated

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MAX14808

Octal Three-Level/Quad Five-Level High-Voltage 2A Digital Pulsers with T/R Switch

Maxim Integrated 

MAX14808 / MAX14809

Octal Three-Level/Quad Five-Level High-Voltage

2A Digital Pulsers with T/R Switch

AC ELECTRICAL CHARACTERISTICS (continued)

(VDD = +3V, VCC = +5V, VEE = -5V, VPPA = +100V, VNNA = -100V, VPPB = +100V, VNNB = -100V, VGNA connected to VNNA with

1µF capacitor, VGNB connected to VNNB with 1µF capacitor, VGPA connected to VPPA with 1µF capacitor, VGPB connected to VPPB

with 1µF capacitor, VLDO_EN = 0V, VCC0 = 0V, VCC1 = 0V, RL = 1kI, CL = 240pF, unless otherwise noted. Typical values are at

TA = +25°C.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

Output Enable Time (Transmit

Disable Mode to Normal

Operation)

tEN2

50

ns

Output Disable Time (Normal

Operation to Transmit Disable

Mode)

Output Enable Time (Normal

Operation to Sync Mode)

Output Disable Time (Sync

Mode to Normal Operation)

CLK Frequency

Input Setup Time (DINN_,

DINP_)

Input Hold Time (DINN_, DINP_)

Second-Harmonic Distortion

(Low Voltage)

tDIS2

tEN3

tDIS3

fCLK

tSETUP

tHOLD

THD2LV

VDD = 2.5V

VDD = 2.5V

VDD = 2.5V

fOUT_ = 5MHz, VPPA = -VNNA = +5V,

VPPB = -VNNB = +5V, square wave

(all modes)

65

ns

4

Fs

500

ns

200 MHz

2

NS

0.5

ns

-40

dBc

Second-Harmonic Distortion

(High Voltage)

THD2HV

fOUT_ = 5MHz, VPPA = -VNNA = +100V,

VPPB = -VNNB = +100V, square wave

(all modes)

-43

dBc

Pulse Cancellation

Pulser Bandwidth

RMS Output Jitter

fOUT_ = 5MHz, VPPA = -VNNA = +100V,

PC1

VPPB = -VNNB = +100V, 2 periods, all

harmonics of the summed signed with

respect to the carrier

PC2

fOUT_ = 5MHz, VPPA = -VNNA = +100V,

VPPB = -VNNB = +100V, 2 periods,

[(V0 + V180)RMS/(2 x V0RMS)]dB

BW

VPP = +60V, VNNA = -60V (Figure 4)

fOUT_ = 5MHz, VPPA = -VNNA = +5V,

tJ

VPPB = -VNNB = +5V, both in clocked

mode or transparent mode (Figure 5)

-40

dBc

-40

20

MHz

6.25

ps

Maxim Integrated

  11

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