MAX4079 Просмотр технического описания (PDF) - Maxim Integrated

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MAX4079

Complete Audio/Video Backend Solution

Maxim Integrated 

Complete Audio/Video

Backend Solution

DC ELECTRICAL CHARACTERISTICS (continued)

(VVVID = +5V, VAUDV = +12V, VGVID = VGAUD = 0V, RLOAD_VID = 150Ω to GVID, RREXT = 10kΩ ±1%, CCBYPASS = 1µF, TA = 0°C to

+70°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

AUDIO

Voltage Gain

Mono Voltage Gain

AV,AUD 1.414VP-P differential input

AV,MONO 1.414VP-P differential input, LIN = RIN

5.8

6

6.2

dB

2.8

3

3.2

dB

Gain Matching Between

Channels

ΔAV,AUD 1.414VP-P differential input

-0.4

+0.4

dB

Input Voltage Range

Differential Input Voltage Range

Input Current

Output Voltage Swing

Short-Circuit Current

Power-Supply Rejection Ratio

Common-Mode Rejection Ratio

VIN,AUD Inferred from CMRR test

VIN,AUD DIF Inferred from output voltage swing

IIN,AUD

VOUT,AUD Input overdriven, 10kΩ load to 4.15V

ISC,AUD

PSRRAUD 8.5V ≤ AUDV ≤ 12.6V

CMRRAUD 0.3V ≤ VCM ≤ 5.2V

0.3

-1.85

7.4

70

50

5.2

V

+1.85

V

2

µA

VP-P

15

mA

dB

60

dB

AC ELECTRICAL CHARACTERISTICS

(VVVID = +5V, VAUDV = +12V, VGVID = VGAUD = 0V, RIN_VIDEO = 75Ω to GVID, CIN_VIDEO = 0.1µF, RLOAD_VID = 150Ω to GVID,

COUT_AUDIO = 10µF, RLOAD_AUD = 10kΩ ±1% to GAUD, RREXT = 10kΩ, CCBYPASS = 1µF, TA = 0°C to +70°C, unless otherwise

noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

VIDEO

Filter Attenuation

Slew Rate

Differential Gain

SYMBOL

CONDITIONS

AVIDEO

SR

DG

CVBSOUT1 = CVBSOUT2 =

YOUT = COUT = 2VP-P;

RL = 150Ω to ground,

attenuation is referred to

100kHz

f = 4MHz

f = 7MHz

f = 27MHz

VOUT = 2VP-P

CVBSOUT_, YOUT, COUT, 5-step

modulated staircase

MIN TYP MAX UNITS

-0.5

+0.5

3

dB

40

50

30

V/µs

0.5

%

Differential Phase

DP

CVBSOUT_, YOUT, COUT, 5-step

modulated staircase

0.9

degrees

YOUT/COUT

48

Power-Supply Rejection Ratio

PSRRVID f = 100kHz, 0.5VP-P

CVBSOUT_

44

dB

Peak Signal to RMS Noise

SNRVID CVBSOUT_, YOUT, COUT, VIN = 1VP-P

65

dB

Group Delay Deviation

GD

CVBSOUT_, YOUT, COUT, fIN = 0.1MHz to

25

ns

4.5MHz

Output Impedance

ZOUT,VID f = 3.58MHz

0.5

Ω

Capacitive Load

CL,VID

No sustained oscillations

35

pF

Video Crosstalk

XTALK,VID

f = 3.58MHz, 1VP-P input, between any two

active inputs

-63

dB

Audio/Video Crosstalk

XTALK,VD/AD

f = 15kHz, 1VP-P input, between any two

active audio or video inputs

-76

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