User guide

MAX9512
Video Filter Amplifier with SmartSleep
and Y/C Mixer Circuit
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9
Pin Description
PIN
TQFN QSOP
NAME FUNCTION
1, 13 3, 15 V
DD
Power Supply. Bypass with a 0.1µF capacitor to GND.
2 4 YIN Luma Video Input. Directly connect this input to the video DAC output.
3, 8 5, 10 GND Ground
4, 5, 7, 14 6, 7, 9, 16 N.C. No Connection. Connect to GND.
68 SHDN
Active-Low Shutdown Logic Input. Connect to logic low to place device in shutdown.
Connect to logic high for normal operation.
9 11 CVBSOUT2 CVBS Output 2
10 12 CVBSOUT1 CVBS Output 1
11 13 YOUT Luma Video Output
12 14 COUT Chroma Video Output
15 1 SMARTSLEEP SmartSleep Logic Input. Connect to logic high to activate SmartSleep operation.
16 2 CIN Chroma Video Input. Directly connect this input to the video DAC output.
EP — EP Exposed Pad. Connect EP to GND. EP is also internally connected to GND.
CURRENT
DAC
CURRENT
DAC
VIDEO ENCODER
CHROMA
LUMA
CVBS1
CIN
YIN
COUT
YOUT
CVBSOUT1
CVBSOUT2
LPF
GND
+3.3V
0.1µF
V
DD
BUFFER
LOAD SENSE
6dB
75Ω
75Ω
75Ω
CVBS2
LPF
BUFFER
LOAD SENSE
6dB
LOAD SENSE
6dB
75Ω
LOAD SENSE
6dB
MAX9512
SHDN
ACTIVE VIDEO
DETECT
SMARTSLEEP
+3.3V
CONTROL
LOGIC
Figure 1. Typical Application Circuit for Portable Media Players