MAX9509ATA+T Maxim Integrated Products, MAX9509ATA+T Datasheet - Page 11

• Manufacturer Part Number: MAX9509ATA+T
• Description: IC AMP VIDEO FILTER 8-TDFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r

Specifications of MAX9509ATA+T

• Applications: Filter
• Number Of Circuits: 1
• -3db Bandwidth: 42.1MHz
• Slew Rate: 43 V/µs
• Current - Supply: 3.1mA
• Current - Output / Channel: 82mA
• Voltage - Supply, Single/dual (±): 1.7 V ~ 2.63 V
• Mounting Type: Surface Mount
• Package / Case: 8-TDFN Exposed Pad
• Number Of Channels: 1
• Supply Current: 3.1 mA
• Minimum Operating Temperature: - 40 C
• Maximum Operating Temperature: + 125 C
• Bandwidth: 42.1 MHz
• Maximum Power Dissipation: 953.5 mW
• Mounting Style: SMD/SMT
• Supply Voltage (max): 2.625 V
• Supply Voltage (min): 1.7 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

The MAX9509 can also provide anti-alias filtering with a
buffer before an ADC, which would be present in a
NTSC/PAL video decoder, for example. Figure 5 shows
an example application circuit. An external composite
video signal is applied to VIDIN, which is terminated
with a total of 74Ω (56Ω and 18Ω resistors) to ground.
The signal is attenuated by four, and then AC-coupled
to IN. The normal 1V
ed because with a 1.8V supply, the MAX9509 can only
handle a video signal of approximately 0.25V
Figure 5. MAX9509 Used as an Anti-Alias Filter with Buffer
VIDIN
18
56
V
DD
10
V
DD
= 1.8V
0.1 F
______________________________________________________________________________________
C3
0.1 F
P-P
video signal must be attenuat-
SHDN
V
DD
IN
1.8V, Ultra-Low Power, DirectDrive
GND
Anti-Alias Filter
CLAMP
C1P
CHARGE PUMP
SHUTDOWN
CIRCUIT
LPF
1 F
C1
P-P
MAX9509
at IN.
C1N
DC-LEVEL
SHIFT
V
SS
C2
1 F
REGULATOR
AC-couple the video signal to IN because the DC level
of an external video signal is usually not well specified,
although it is reasonable to expect that the signal is
between -2V and +2V. The 10Ω series resistor increas-
es the equivalent source resistance to approximately
25Ω, which is the minimum necessary for a video
source to drive the internal sync-tip clamp.
For external video signals larger than 1V
the MAX9509 from a 2.5V supply so that IN can accom-
modate a 0.325V
a 1.3V
A
LINEAR
V
Video Filter Amplifiers
V
= 8V/V
DD
P-P
video signal at VIDIN.
OUT
P-P
75
video signal, which is equivalent to
75
DECODER
P-P
VIDEO
, operate
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