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Electrical characteristics (continued) – Rainbow Electronics MAX4399 User Manual

Page 3

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MAX4399

Audio/Video Switch for Three SCART

Connectors

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3

ELECTRICAL CHARACTERISTICS (continued)

(V

V12

= 12V, V

V_VID

= 5V, V

V_DIG

= 5V, 0.47µF X5R capacitor in parallel with a 10µF aluminum electrolytic capacitor from V_AUD to

G_AUD, no load, T

A

= 0°C to +70°C, unless otherwise noted. Typical values are at T

A

= +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Slew Rate

SR

1V

P-P

input, gain = 6dB

170

V/µs

Gain Matching

1V

P-P

input, between RGB or Y-C

-0.5

0

+0.5

dB

RF_CVBS_OUT

0.03

Differential Gain

DG

5-step
modulated
staircase

All other video outputs

0.13

%

RF_CVBS_OUT

0.09

Differential Phase

DP

5-step
modulated
staircase

All other video outputs

0.36

degrees

Signal-to-Noise Ratio

SNR

1V

P-P

input

-86

dB

RF_CVBS_OUT

5

Group Delay

f = 0.1MHz to
6MHz

All other video outputs

3

ns

Bottom Level Clamp

RGB, composite and luma, no signal, no
load

1.21

V

Chroma Bias

Chroma only, no signal, no load

1.88

V

Sync Crush

Percentage reduction in sync pulse
(0.3V

P-P

); inferred from input clamping

current with a 0.1µF coupling capacitor

-2

0

+2

%

Power-Supply Rejection Ratio

PSRR

f = 100kHz, 0.5V

P-P

60

dB

CVBS, Y, or RGB video input

4

M

Input Impedance

Chroma video input

11

k

Input Clamp Current

V

IN

= 1.75V

2.5

4.2

8.0

µA

RGB, composite, and
luma

1.05

Output Bias Voltage

No signal, no
load

Chroma

2.24

V

Pulldown Resistance

VCR_R/C_OUT, AUX_R/C_OUT,
TV_R/C_OUT

10

Crosstalk

f = 4.43MHz, 1V

P-P

input, between any two

active inputs

-63

dB

Mute Suppression

f = 4.43MHz, 1V

P-P

input, on one input

-65

dB

AUDIO

V_AUD Voltage

Generated by internal linear regulator

8.1

V

Voltage Gain

1.414V

P-P

input, gain = 0dB

-0.25

0

+0.25

dB

Gain Matching Between
Channels

1.414V

P-P

input, gain = 0dB

-0.5

0

+0.5

dB

Gain Flatness

f = 20Hz to 20kHz, 0.5V

RMS

input, gain =

0dB

0.005

dB

Frequency Bandwidth

0.5V

RMS

input; frequency where output is

-3dB with 1kHz serving as 0dB

210

kHz