Electrical characteristics (continued) – Rainbow Electronics MAX9595 User Manual

Page 4

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MAX9595

Audio/Video Switch for Dual SCART Connector

4

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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

UNIT

Single-ended inputs, f = 1kHz, THD < 1%

3

Input Signal Amplitude
(Measured from Application
Input)

V

IN_AC

ENC inputs single-ended, f = 1kHz,
THD < 1%

1.31

V

RMS

Single ended: VCR_INR, VCR_INL, TV_INR,
TV_INL

0.1

Input Resistance (Measured at
Parts Input)

R

IN

Encoder, ENC

_

INL, ENC_INR

0.1

Output DC Level

V

OUT_DC

V

IN

= 0V

0.5 x

V

12

V

Signal-to-Noise Ratio (Measured
from Application Input)

SNR_A

f = 1.0kHz, 1V

RMS

application input,

gain = 0dB, 20Hz to 20kHz

95

dB

R

LOAD

= 10kΩ, f = 1.0kHz, 0.5V

RMS

output

0.004

Total Harmonic Distortion Plus
Noise

THD+N

R

LOAD

= 10kΩ, f = 1.0kHz, 2V

RMS

output

0.004

%

Output Impedance

ZO

f = 1kHz

1

Ω

1.414V

P-P

input, programmable gain to TV

SCART volume control range extends from
-56dB to +6dB

1.5

2

2.5

Volume Attenuation Step

ASTEP

1.414V

P-P

input, programmable gain to VCR

audio extends from -6dB to +6dB

5.5

6

6.5

dB

From V

12,

f = 1kHz, 0.5V

P-P

,

(C

AUD_BIAS

= 47µF), gain = 0dB

75

Power-Supply Rejection Ratio

PSRR_A

From V

AUD

, f = 1kHz, 0.5V

P-P,

V

AUD

+4.75V, V

AUD

≤ +5.25V, gain = 0dB

75

dB

Mute Suppression

M_SPR_A

f = 1kHz, 0.5V

RMS

input, set through I

2

C, see

register 1 for loading register details

90

dB

Audio Clipping Level

VCLIP

f = 1kHz, 2.5V

RMS

input, gain = 6dB,

THD < 1%

3.6

V

RMS

Left-to-Right Crosstalk

XTLK_LR

f = 1kHz, 0.5V

RMS

input, gain = 0dB

80

dB

Crosstalk

XTLK_CC

TV SCART to VCR SCART or VCR SCART to
TV SCART, f = 1kHz, 0.5V

RMS

input, gain =

0dB

90

dB

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