(PDF) MAX7430 Datasheet PDF | Maxim





MAX7430 Datasheet PDF

Part Number MAX7430
Description Standard Definition Video Reconstruction Filters and Buffers
Manufacture Maxim
Total Page 21 Pages
PDF Download Download MAX7430 Datasheet PDF

Features: Datasheet pdf 19-2119; Rev 2; 9/02 Standard Definitio n Video Reconstruction Filters and Buff ers General Description The MAX7428/MAX 7430/MAX7432 filters are low-cost, high -performance replacements for standard discrete filter and buffer solutions. T he MAX7428/MAX7430/ MAX7432 are ideal f or anti-aliasing and DAC smoothing vide o applications, when analog video is re constructed from a digital data stream. These devices require a single +5V sup ply and the filters have a cutoff frequ ency optimized for NTSC, PAL, and stand ard definition digital TV (SDTV) video signals. The MAX7428/MAX7430/ MAX7432 f eature Maxim’s Single Pin Bus (MSPB ) interface to digitally control chann el selection (IN_A or IN_B), adjust hig h-frequency boost, bypass the filter, c onfigure luma vs. chroma operation, and control the output disable. The MAX742 8 single-channel filter is ideal for co mposite (CVBS) video signals. The MAX74 30 dual filter is optimized for S-Video (Y/C) applications. The MAX7432 triple filter is optimized for com.

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MAX7430 datasheet
xx-xxxx; Rev 0; 2/06
Standard Definition Video Reconstruction
Filters and Buffers
General Description
The MAX7428/MAX7430/MAX7432A filters are low-cost,
high-performance replacements for standard discrete fil-
ter and buffer solutions. The MAX7428/MAX7430/
MAX7432A are ideal for anti-aliasing and DAC smooth-
ing video applications, when analog video is reconstruct-
ed from a digital data stream. These devices require a
single +5V supply and the filters have a cutoff frequency
optimized for NTSC, PAL, and standard definition digital
TV (SDTV) video signals. The MAX7428/MAX7430/
MAX7432A feature Maxim’s single-pin bus (MSPB™)
interface to digitally control channel selection (IN_A or
IN_B), adjust high-frequency boost, bypass the filter,
configure luma vs. chroma operation, and control the
output disable. The MAX7428 single-channel filter is
ideal for composite (CVBS) video signals. The MAX7430
dual filter is optimized for S-Video (Y/C) applications. The
MAX7432A triple filter is optimized for component (YPbPr
or embedded synchronous RGB) video signals. The
MAX7428 is available in a tiny 8-pin SOT23 package, the
MAX7430 is available in a miniature 10-pin µMAX® pack-
age, and the MAX7432A is available in a 14-pin TSSOP
package. The MAX7428/MAX7430/MAX7432A are fully
specified over the -40°C to +85°C extended temperature
range.
Applications
Set-Top Boxes
DVD Players
Hard-Disk Recorders
Camcorders
Features
Ideal for CVBS, Y/C (S-Video), and RGB (Y Pb Pr)
Outputs for NTSC, PAL, and SDTV
6th-Order Lowpass Filter
Drives Two 150Ω Video Loads
Four Levels of Passband High-Frequency
Boost Control
Input 2 to 1 Multiplexer
Output Disable
Filter Bypassing
+5V Single-Supply Voltage
Tiny 8-Pin SOT23 Package (MAX7428), 10-Pin
µMAX Package (MAX7430), and 14-Pin TSSOP
Package (MAX7432A)
Ordering Information
PART
TEMP
RANGE
MAX7428EKA-T -40°C to +85°C
MAX7430EUB -40°C to +85°C
MAX7432AEUD -40°C to +85°C
PIN-
PACKAGE
8 SOT23-8
10 µMAX
14 TSSOP
TOP
MARK
AAIU
MSPB is a trademark of Maxim Integrated Products, Inc.
µMAX is a registered trademark of Maxim Integrated Products, Inc.
Pin Configurations appear at end of data sheet.
Functional Diagrams
VCC
SYNCIO
SYNC
CIN
D/A
INA
ENCODER
CIN
AUX INPUT
INB
MAX7428
SERIAL INTERFACE
AND CONTROL
6TH-ORDER
FILTER
+6dB
DATA
75Ω *
OUT
LEVEL SHIFT
BIAS GENERATOR
GND REXT
75Ω
*OPTIONAL
Functional Diagrams continued at end of data sheet.
*
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

MAX7430 datasheet
Standard Definition Video Reconstruction
Filters and Buffers
ABSOLUTE MAXIMUM RATINGS
VCC to GND ...........................................................................+6V
All Other Pins to GND .................................-0.3V to (VCC + 0.3V)
Maximum Current Into Any Pin .........................................±50mA
Continuous Power Dissipation (TA = +70°C)
8-Pin SOT23 (derate 9.71mW/°C above +70°C)..........777mW
10-Pin µMAX (derate 6.94mW/°C above +70°C) ......555.5mW
14-Pin TSSOP (derate 9.1mW/°C above +70°C) .........727mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature ......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°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 = +5V ±10%, RREXT = 300kΩ ±1%, CIN = 0.1µF, CREXT = (1nF to 1µF) ±1%, CLOAD = 0 to 20pF; BOOST0_, BOOST1_ = 0, 0;
TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
Passband Response
Stopband Attenuation
HF Boost Relative Step Size, 4
Levels
Differential Gain
Differential Phase
Harmonic Distortion
Signal-to-Noise Ratio
Group Delay Deviation
Line-Time Distortion
Field-Time Distortion
Clamp Settling Time
Output DC Clamp Level
Low-Frequency Gain
Group Delay Matching
SYMBOL
Asb
CONDITIONS
f = 100kHz to 4.2MHz relative to 100kHz
f = 100kHz to 5MHz relative to 100kHz
f > 27MHz
MIN TYP MAX UNITS
-0.5 +0.5
dB
-1.0 +1.0
48 dB
f = 4.2MHz to 5MHz
0.2 0.4 0.6 dB
dG 5-step modulated staircase
0.2 %
dθ 5-step modulated staircase
0.2 degrees
THD f = 100kHz to 5MHz
0.1 0.5
%
SNR
Peak signal (2Vp-p) to RMS noise,
f = 100Hz to 50MHz
72
dB
Δtg
Hdist
Vdist
tclamp
Deviation from 100kHz to 3.58 (4.43)MHz
18µs, 100 IRE bar
130 lines, 18µs, 100 IRE bar
to ±1% (Note 1)
CLEVEL = 0
CLEVEL = 1
0.8
1.35
20 ns
0.3 %
0.5 %
100 Lines
1.3
V
1.85
AV Gain at 100kHz
1.9 1.975 2.05
V/V
tg(MATCH) Low frequency channel-to-channel matching
f = 100kHz
2
ns
Low-Frequency Gain Matching AV(MATCH) Channel-to-channel gain matching, f = 100kHz
5%
Channel-to-Channel Crosstalk
Output Short-Circuit Current
Input Leakage Current
Input Dynamic Swing
VCC Supply Range
XTALK
ISC
IIN
YINp-p
CINp-p
VCC
Channel-to-channel crosstalk, f = 100kHz
to 5.5MHz
OUT_ shorted to ground or VCC
CLEVEL = 0
CLEVEL = 1
-60 dB
50 mA
10 µA
1.4
Vp-p
0.9
4.5 5.5 V
2 _______________________________________________________________________________________




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