Manual
MAX9595
Audio/Video Switch for Dual SCART Connector
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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
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 MΩ
Input Impedance Z
IN
Chroma video input. V
IN
= V_BIAS 11 kΩ
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