Electrical characteristics (continued) – Rainbow Electronics MAX9595 User Manual

Page 3

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MAX9595

Audio/Video Switch for Dual SCART Connector

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3

ELECTRICAL CHARACTERISTICS (continued)

(V

12

= 12V, V

VID

= V

AUD

= 5V; 0.1µF X5R capacitor in parallel with a 10µF aluminum electrolytic capacitor from V

AUD

to GNDAUD,

V

12

to GNDAUD, and V

VID

to GNDVID; SET = 100kΩ nominal, R

LOAD

= 150Ω, 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

Signal-to-RMS Noise

SNR_V

V

IN

= 1V

P-P

65

dB

Group Delay Variation

ΔGD

f = 0.1MHz to 4.43MHz

14

ns

Sync-Tip Clamp Level

V_CLMP

RGB, composite, and luma input, no signal,
no load

1.21

V

Chroma Bias

V_BIAS

Chroma input only, no signal, no load

1.9

V

Droop

D

Set by input current

-2

+2

%

Power-Supply Rejection Ratio

PSRR_V

DC, 0.5V

P-P

48

dB

CVBS or RGB video inputs, V

IN

> V_CLMP

4

Input Impedance

Z

IN

Chroma video input. V

IN

= V_BIAS

11

Input Clamp Current

I

CLMP

V

IN

= 1.75V

2.5

5

8.0

µA

Pulldown Resistance

RP

Enable VCR_R/C_OUT and TV_R/C_OUT
pulldown through I

2

C, (see registers 7 and 9

for loading register details)

10

Ω

RGB, composite, and luma, no signal,
no load

1.08

Output Pin Bias Voltage

V

OUT

Chroma, no signal, no load

2.27

V

Crosstalk

XTLK

Between any two active inputs, f = 4.43MHz,
V

IN

= 1V

P-P

-50

dB

Mute Suppression

M_SPR_V

f = 4.43MHz, V

IN

= 1V

P-P

, on one input only

-50

dB

AUDIO CHARACTERISTICS (Note 3)

TV or VCR to stereo, gain = 0dB,
V

IN

= 1V

P-P

-0.5

0

+0.5

TV or VCR to mono, gain = 0dB, V

IN

= 1V

P-P

2.5

3.0

3.5

ENC to stereo, gain = 0dB, V

IN

= 1V

P-P

3.02

3.52

4.02

Voltage Gain (Measured From
Application Input)

G_A

ENC to mono, gain = 0dB, V

IN

= 1V

P-P

6.02

6.52

7.02

dB

Gain Matching Between
Channels

ΔG_A

Gain = 0dB, V

IN

= 1V

P-P

-0.5

0

+0.5

dB

Flatness

ΔA

f = 20Hz to 20kHz, 0.5V

RMS

input,

gain = 0dB

0.01

dB

Frequency Bandwidth

BW

0.5V

RMS

input, frequency where output is

-3dB referenced to 1kHz

230

kHz

Input DC Level (Excluding
Encoder Inputs which are Hi-Z)

V

IN

Gain = 0dB

0.2308

x V

12

V

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