MAX9512ATE+ Maxim Integrated Products, MAX9512ATE+ Datasheet

IC AMP VIDEO FILTER 16-TQFN

MAX9512ATE+

Manufacturer Part Number
MAX9512ATE+
Description
IC AMP VIDEO FILTER 16-TQFN
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX9512ATET.pdf (19 pages)

Specifications of MAX9512ATE+

Applications
Filter
Number Of Circuits
1
Current - Supply
13mA
Voltage - Supply, Single/dual (±)
2.7 V ~ 3.6 V
Mounting Type
Surface Mount
Package / Case
16-TQFN Exposed Pad
Number Of Channels
2
Supply Current
13 mA
Minimum Operating Temperature
- 40 C
Maximum Operating Temperature
+ 125 C
Maximum Power Dissipation
1250 mW
Mounting Style
SMD/SMT
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.7 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX9512 video filter amplifier with SmartSleep and
Y/C mixer is ideal for portable media players (PMPs),
portable DVD players, and set-top boxes (STBs). The
inputs can be directly connected to the digital-to-analog
converter (DAC) outputs. The dual reconstruction filters
remove high-frequency signals above 6.75MHz. The
Y/C-to-CVBS mixer creates a composite video signal
from luma and chroma. The four amplifiers each have
6dB of gain. The outputs can be DC-coupled to a load of
75Ω, which is equivalent to two video loads, or AC-cou-
pled to a load of 150Ω.
The SmartSleep circuitry intelligently reduces power
consumption based on the presence of the input signal
and the output loads. When the MAX9512 does not
detect the presence of sync on luma, the supply cur-
rent is reduced to less than 7µA. The device only
enables a video amplifier when there is an active video
input signal and an attached load. The video amplifier
remains on while a load is connected. If the load is dis-
connected, the video amplifier is turned off.
The MAX9512 operates from a 2.7V to 3.6V single sup-
ply and is offered in a small, 16-pin TQFN (3mm x
3mm) package. The device is specified over the -40°C
to +125°C automotive temperature range.
19-0535; Rev 2; 2/09
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Portable Media Players
(PMPs)
Portable DVD Players
TOP VIEW
SMARTSLEEP
N.C.
V
CIN
DD
________________________________________________________________ Maxim Integrated Products
13
14
15
16
Video Filter Amplifier with SmartSleep
+
General Description
12
1
(3mm x 3mm)
THIN QFN
Pin Configuration
MAX9512
11
2
Set-Top Boxes (STBs)
Portable Applications
10
3
Applications
9
4
8
7
6
5
GND
N.C.
SHDN
N.C.
♦ SmartSleep Feature Detects Input Signal and
♦ Dual Standard-Definition Video Reconstruction
♦ Luma and Chroma Inputs
♦ Y/C-to-CVBS Mixer
♦ Luma, Chroma, and Two Composite Outputs
♦ Supports Two Video Loads at Each Output
♦ 2.7V to 3.6V Single-Supply Operation
Note: All devices specified over the -40°C to +125°C operating
temperature range.
+ Denotes lead(Pb)-free/RoHS-compliant package.
* EP = Exposed pad.
MAX9512ATE+
SMARTSLEEP
Block Diagrams continued at end of data sheet.
Output Load Status to Reduce Power
Consumption
Filters with 6.75MHz Passband
(DC-Coupled)
and Y/C Mixer Circuit
SHDN
PART
CIN
YIN
BUFFER
BUFFER
MAX9512
ACTIVE VIDEO
CONTROL
DETECT
LOGIC
LPF
LPF
PIN-PACKAGE
Ordering Information
(3mm x 3mm)
16 TQFN-EP*
Block Diagrams
6dB
6dB
6dB
6dB
LOAD SENSE
LOAD SENSE
LOAD SENSE
LOAD SENSE
Features
TOP MARK
AEN
YOUT
CVBSOUT1
CVBSOUT2
COUT
1

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MAX9512ATE+ Summary of contents

Page 1

... Luma, Chroma, and Two Composite Outputs ♦ Supports Two Video Loads at Each Output (DC-Coupled) ♦ 2.7V to 3.6V Single-Supply Operation PART MAX9512ATE+ Note: All devices specified over the -40°C to +125°C operating temperature range. + Denotes lead(Pb)-free/RoHS-compliant package. Applications * EP = Exposed pad. ...

Page 2

Video Filter Amplifier with SmartSleep and Y/C Mixer Circuit ABSOLUTE MAXIMUM RATINGS (All voltages referenced to GND) V ...........................................................................-0.3V to +4V DD CIN, YIN, SMARTSLEEP, SHDN...............................-0.3V to +4V Duration of COUT, YOUT, CVBSOUT1, CVBSOUT2 Short Circuit GND....................................Continuous ...

Page 3

Video Filter Amplifier with SmartSleep ELECTRICAL CHARACTERISTICS (continued 3.3V GND = 0V. R SHDN DD SMARTSLEEP T = +25°C.) (Note 1) A PARAMETER SYMBOL DC Gain Matching Output Level Output Voltage Swing Output Resistance ...

Page 4

Video Filter Amplifier with SmartSleep and Y/C Mixer Circuit AC CHARACTERISTICS ( +3.3V GND = 0V, R SHDN DD SMARTSLEEP are +25°C.) (Note 1) A PARAMETER SYMBOL Color Subcarrier Output Voltage Swing ...

Page 5

Video Filter Amplifier with SmartSleep AC CHARACTERISTICS (continued +3.3V GND = 0V, R SHDN DD SMARTSLEEP are +25°C.) (Note 1) A PARAMETER SYMBOL 2T Bar Response 2T Pulse-to-Bar K Rating Nonlinearity ...

Page 6

Video Filter Amplifier with SmartSleep and Y/C Mixer Circuit ( +3.3V GND = 0V. Video outputs have R SHDN DD SMARTSLEEP wise noted.) SMALL-SIGNAL GAIN vs. FREQUENCY 100mV OUT P-P NORMALIZED TO ...

Page 7

Video Filter Amplifier with SmartSleep ( +3.3V GND = 0V. Video outputs have R SHDN DD SMARTSLEEP wise noted.) OUTPUT VOLTAGE vs. INPUT VOLTAGE 4.0 YIN, CIN 3.5 INPUTS ONLY 3.0 2.5 2.0 1.5 1.0 ...

Page 8

Video Filter Amplifier with SmartSleep and Y/C Mixer Circuit ( +3.3V GND = 0V. Video outputs have R SHDN DD SMARTSLEEP wise noted.) ENABLE TIME MAX9512 toc17 INPUT VOLTAGE = 1V OUTPUT 1V/div SHDN 1V/div ...

Page 9

Video Filter Amplifier with SmartSleep PIN NAME TQFN- Power Supply. Bypass with a 0.1µF capacitor to GND YIN Luma Video Input. Directly connect this input to the video DAC output GND Ground 4, ...

Page 10

Video Filter Amplifier with SmartSleep and Y/C Mixer Circuit Detailed Description In the Typical Application Circuit (Figure 1), the current DACs on a video encoder generate luma and chroma video signals. The MAX9512 filters those signals and then adds them ...

Page 11

Video Filter Amplifier with SmartSleep The active video detect circuit slices the YIN signal at 4.7% of the power supply (155mV for a 3.3V supply). If the transitions occur at a rate of 14.3kHz or higher, then a video signal ...

Page 12

Video Filter Amplifier with SmartSleep and Y/C Mixer Circuit 0 TO 50mV VIDEO SIGNAL PRESENT VIDEO ENCODER CIN CURRENT DAC YIN CURRENT DAC SMARTSLEEP +3.3V SHDN Figure 4. Full Operation Mode with CVBSOUT1 Loaded 12 ______________________________________________________________________________________ +3.3V 5mA QUIESCENT SUPPLY ...

Page 13

Video Filter Amplifier with SmartSleep 0 TO 50mV VIDEO SIGNAL PRESENT VIDEO ENCODER CIN CURRENT DAC YIN CURRENT DAC SMARTSLEEP +3.3V SHDN Figure 5. Full Operation Mode with YOUT Loaded ______________________________________________________________________________________ and Y/C Mixer Circuit +3.3V 2.9mA QUIESCENT SUPPLY CURRENT ...

Page 14

Video Filter Amplifier with SmartSleep and Y/C Mixer Circuit The MAX9512 video inputs YIN and CIN should be directly connected to the output of the video current DAC. DC-coupling ensures that the input signals are ground referenced such that the ...

Page 15

Video Filter Amplifier with SmartSleep AC-Coupling the Outputs The outputs can be AC-coupled since the output stage can source and sink current as shown in Figure 6. Coupling capacitors should be 220µF or greater to keep the highpass filter formed ...

Page 16

Video Filter Amplifier with SmartSleep and Y/C Mixer Circuit 0 TO 50mV SMARTSLEEP SHDN 16 ______________________________________________________________________________________ BUFFER CIN 6dB LPF BUFFER YIN 6dB LPF ACTIVE VIDEO DETECT CONTROL 6dB LOGIC MAX9512 6dB PROCESS: BiCMOS Block Diagrams (continued) LOAD SENSE COUT ...

Page 17

Video Filter Amplifier with SmartSleep For the latest package outline information and land patterns www.maxim-ic.com/packages. PACKAGE TYPE 16 TQFN-EP E MARKING E/2 AAAA D 0. ______________________________________________________________________________________ and Y/C Mixer ...

Page 18

Video Filter Amplifier with SmartSleep and Y/C Mixer Circuit For the latest package outline information and land patterns www.maxim-ic.com/packages. PKG 8L 3x3 12L 3x3 REF. MIN. NOM. MAX. MIN. NOM. MAX. A 0.70 0.75 0.80 0.70 0.75 0.80 ...

Page 19

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 19 © 2009 Maxim Integrated Products ...

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