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MAX9517ATC+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P22
MAX9517/MAX9524
Standard-Definition Video Filter Amplifiers with
Dual SPST Switches
16 ______________________________________________________________________________________
t
r
< 5ns
t
f
< 5ns
50%
V
IL
LOGIC
INPUT
R
L
COM
GND
IN_
C
L
INCLUDES FIXTURE AND STRAY CAPACITANCE.
V
OUT
= V
N_ (
R
L
)
R
L
+ R
ON
V
NO
V
IH
t
OFF
0V
0.9 x V
0UT
0.9 x V
OUT
t
ON
V
OUT
SWITCH
OUTPUT
LOGIC
INPUT
V
DD
C
L
V
DD
V
OUT
MAX9517
MAX9524
Figure 12. Switching Time
Switch Test Circuits/Timing Diagrams
LPF
A
V
= 2V/V
CLAMP
VIDEO
DECODER
SHUTDOWN
CIRCUIT
SHDN
V
DD
VIDIN
0.1μF
75Ω
IN
VIDOUT
75Ω
75Ω
MAX9524
Figure 11. MAX9524 is Used as an Anti-Alias Filter with Buffer (Switches Can Route Other Signals)
Anti-Alias Filter
The MAX9524 can also provide anti-alias filtering with
buffer before an analog-to-digital converter (ADC),
which would be present in an NTSC/PAL video
decoder, for example. Figure 11 shows an example
application circuit for MAX9524. An external composite
video signal is applied to IN, which is terminated with
75Ω to ground. The signal is AC-coupled to VIDIN
because the DC level of an external video signal is usu-
ally not well specified.
Power-Supply Bypassing and Ground
The MAX9517/MAX9524 operate from a single-supply
voltage down to 2.7V, allowing for low-power operation.
Bypass V
DD
to GND with a 0.1µF capacitor. Place all
external components as close as possible to the device.
MAX9517/MAX9524
Standard-Definition Video Filter Amplifiers with
Dual SPST Switches
______________________________________________________________________________________ 17
C
L
OUT+
R
S
R
S
MAX9517
MAX9524
NO1
C
L
OUT-
IN+
IN-
NO2
COM2
COM1
0V
LOGIC
INPUT
0V TO V
DD
V
DD
V
IN+
0V
V
DD
V
IN-
0V
V
DD
V
OUT+
0V
V
DD
V
OUT-
50%
50%
50%
t
SKEW
50%
90%
10%
t
INFALL
90%
10%
t
INRISE
90%
10%
t
OUTFALL
90%
10%
t
OUTRISE
V
DD
Figure 13. Output Signal Skew
Switch Test Circuits/Timing Diagrams (continued)
MAX9517/MAX9524
Standard-Definition Video Filter Amplifiers with
Dual SPST Switches
18 ______________________________________________________________________________________
V
GEN
GND
C
L
V
OUT
V
DD
V
OUT
ΔV
OUT
Q = (ΔV
OUT
)(C
L
)
ON
IN
OFFOFF
V
DD
R
GEN
IN_
MAX9517
MAX9524
0V TO V
DD
NO
COM_
+
Figure 14. Charge Injection
V
DD
GND
V
DD
COM_
NO_
MEASUREMENTS ARE STANDARDIZED AGAINST SHORTS AT IC TERMINALS.
OFF-ISOLATION IS MEASURED BETWEEN COM_ AND OFF NO_ TERMINAL ON EACH SWITCH.
ON-LOSS IS MEASURED BETWEEN COM_ AND ON NO_ TERMINAL ON EACH SWITCH.
SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
IN_
10nF
V
IN
V
OUT
NETWORK
ANALYZER
50Ω 50Ω
50Ω 50Ω
MEAS REF
0V OR V
DD
MAX9517
MAX9524
OFF-ISOLATION = 20log(V
OUT
/V
IN
)
ON-LOSS = 20log(V
OUT
/V
IN
)
CROSSTALK = 20log(V
OUT
/V
IN
)
Figure 15. On-Loss, Off-Isolation, and Crosstalk
GND
0V OR V
DD
NO_
COM_
MAX9517
MAX9524
V
DD
CAPACITANCE
ANALYZER
IN
10nF
f = 1MHz
V
DD
Figure 16. Channel Off-/On-Capacitance
Switch Test Circuits/Timing Diagrams (continued)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P22

MAX9517ATC+T

Mfr. #:
Buy MAX9517ATC+T
Manufacturer:
Maxim Integrated
Description:
Video Amplifiers Standard-Definition Video Filter Amp
Lifecycle:
New from this manufacturer.
Delivery:
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