900,000+ datasheet pdf search and download

Datasheet4U offers most rated semiconductors data sheet pdf




Maxim Integrated Semiconductor Electronic Components Datasheet

MAX7461 Datasheet

Loss-of-Sync Alarm

No Preview Available !

MAX7461
Loss-of-Sync Alarm
General Description
The MAX7461 single-channel loss-of-sync alarm (LOS)
provides composite video sync detection in NTSC,
PAL, and SECAM standard-definition television (SDTV)
systems. The MAX7461’s advanced detection circuitry
delivers robust performance by preventing false loss-
of-sync alarms due to noise. The device accepts an
AC-coupled composite (CVBS), luma (Y), or any other
video signal with sync, and outputs a logic-level signal.
The open-drain LOS output is low when no sync is
detected and high impedance when sync is detected.
The device operates from a single +5V supply.
The MAX7461 is available in a 5-pin SOT23 package
and is specified for operation over the -40°C to +85°C
temperature range.
Features
Accepts CVBS, Y, or Any Other Video with Sync
Loss-of-Sync Alarm Output
Robust Performance in Noisy Environments
Wire-OR Alarm Output
NTSC, PAL, and SECAM
Small 5-Pin SOT23 Package
Pin Configuration
TOP VIEW
Security Systems
Consumer Electronics
Applications
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
MAX7461EUK -40°C to +85°C 5 SOT23
PACKAGE
CODE
U5-2
IN 1
5 VCC
MAX7461
GND 2
GND 3
4 LOS
SOT23
Functional Diagram
CIN IN
1
0.1μF
75Ω
+5V
0.1μF
VCC 5
SYNC
SLICE
LEVEL
CLAMP
LPF
GND 3
MAX7461
SYNC
SYNC
LOS
DETECTOR
FILTER
VCC
RO
LOS
4
1kΩ
For pricing, delivery, and ordering information, please contact Maxim Direct at
1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.
19-0553; Rev 1; 4/13


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX7461 Datasheet

Loss-of-Sync Alarm

No Preview Available !

MAX7461
Loss-of-Sync Alarm
ABSOLUTE MAXIMUM RATINGS
VCC to GND ..............................................................-0.3V to +6V
LOS to GND..............................................................-0.3V to +6V
IN to GND.................-0.3V to the lower of +6V and (VCC + 0.3V)
Continuous Power Dissipation (TA = +70°C)
5-Pin SOT23-5 (derate 7.1mW/°C above +70°C) ......571.0mW
Maximum Current Into Any Pin .........................................±50mA
Operating Temperature Range
MAX7461EUK ...................................................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Junction Temperature ......................................................+150°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VCC = +4.5V to +5.5V, GND = 0, CIN = 0.1µF, RO = 500Ω, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA =
+25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
AC CHARACTERISTICS
Minimum Input Sync Height
VIN-MIN AC-coupled (Note 1)
105 130 mVP-P
Maximum Input Voltage
LOS Release Time
LOS Detect Time
DIGITAL CHARACTERISTICS
VIN-MAX
tRT
tDT
AC-coupled
(Note 2)
(Note 3)
2.4 VP-P
1.7 2.2 2.7
ms
1.9 3.4 4.9
Output Low Voltage
Logic High Leakage Current
VOL
IOLEAK
ISINK = 10mA
0.4 V
1 µA
POWER REQUIREMENTS
Supply Voltage
VCC
4.5 5.0 5.5 V
Supply Current
ICC
1.7 2.2 mA
Power-Supply Noise Immunity
VPSNI 0 to 5MHz sinusoid on VCC (Note 4)
200 mVP-P
Note 1: Minimum input sync height is the voltage above which LOS is guaranteed to be in high-impedance mode after the maximum
LOS time-constant time.
Note 2: LOS release time is the time that the video input must be continuously present before LOS goes high (inactive state).
Note 3: The LOS detect time is the time that the video input must be continuously absent before LOS goes low (active state).
Note 4: The MAX7461 LOS output is accurate with a power-supply noise level below VPSNI.
2 Maxim Integrated


Part Number MAX7461
Description Loss-of-Sync Alarm
Maker Maxim Integrated Products
PDF Download

MAX7461 Datasheet PDF






Similar Datasheet

1 MAX746 High-Efficiency / PWM / Step-Down / N-Channel DC-DC Controller
Maxim
2 MAX7461 Loss-of-Sync Alarm
Maxim Integrated Products
3 MAX7462 (MAX7462 / MAX7463) Single-Channel Video Reconstruction Filters and Buffers
Maxim Integrated Products
4 MAX7463 (MAX7462 / MAX7463) Single-Channel Video Reconstruction Filters and Buffers
Maxim Integrated Products
5 MAX7469 (MAX7469 / MAX7470) HDTV Continuously Variable Anti Aliasing Filters
Maxim Integrated Products





Part Number Start With

0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z



Site map

Webmaste! click here

Contact us

Buy Components

Privacy Policy