Electrical characteristics (continued) – Rainbow Electronics MAX4399 User Manual
Page 3
MAX4399
Audio/Video Switch for Three SCART
Connectors
_______________________________________________________________________________________
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
Ω
Input Impedance
Chroma video input
11
k
Ω
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
Ω
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