MAX7430EUB+ Maxim Integrated Products, MAX7430EUB+ Datasheet
MAX7430EUB+
Specifications of MAX7430EUB+
Related parts for MAX7430EUB+
MAX7430EUB+ Summary of contents
Page 1
... Package (MAX7432A ® pack- PART MAX7428EKA-T MAX7430EUB MAX7432AEUD Applications 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 SERIAL INTERFACE SYNC MAX7428 AND CONTROL 6TH-ORDER INA FILTER LEVEL SHIFT ...
Page 2
Standard Definition Video Reconstruction Filters and Buffers ABSOLUTE MAXIMUM RATINGS V to GND ...........................................................................+6V CC All Other Pins to GND .................................-0. Maximum Current Into Any Pin ......................................... Continuous Power Dissipation (T = +70°C) A 8-Pin SOT23 (derate 9.71mW/°C ...
Page 3
Standard Definition Video Reconstruction ELECTRICAL CHARACTERISTICS (continued +5V ±10 300kΩ ±1 REXT unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL Supply Current Power-Supply ...
Page 4
Standard Definition Video Reconstruction Filters and Buffers (V = +5V 300kΩ; BOOST0_, BOOST1_ = REXT AMPLITUDE vs. FREQUENCY 0 -10 -20 -30 -40 -50 -60 0 100 FREQUENCY (MHz) GROUP DELAY vs. ...
Page 5
Standard Definition Video Reconstruction (V = +5V 300kΩ; BOOST0_, BOOST1_ = REXT OUTPUT IMPEDANCE vs. FREQUENCY 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 0.1 1 FREQUENCY (MHz) PIN MAX7432A MAX7430 MAX7428 1 ...
Page 6
Standard Definition Video Reconstruction Filters and Buffers PIN MAX7432A MAX7430 MAX7428 13 9 — — — 1 — — 3 — — 5 — — 8 0.1μF D/A *1MΩ 0.1μF D/A *1MΩ ENCODER Figure 1. MAX7428 Typical ...
Page 7
Standard Definition Video Reconstruction 0.1μF AUX IN *1MΩ 0.1μF D/A ENCODER *1MΩ 0.1μF AUX IN *1MΩ 0.1μF D/A ENCODER *1MΩ 1nF TO 1μF (SEE TABLE 3) *NEEDED ONLY IN FILTER BYPASS MODE **OPTIONAL OUTPUT CAPACITOR ***ONLY ONE PULLUP ...
Page 8
Standard Definition Video Reconstruction Filters and Buffers 0.1μF AUX IN *1MΩ 0.1μF D/A ENCODER *1MΩ 0.1μF AUX IN *1MΩ 0.1μF D/A ENCODER *1MΩ 0.1μF AUX IN *1MΩ 0.1μF D/A ENCODER *1MΩ 1nF TO 1μF (SEE TABLE 3) *NEEDED ...
Page 9
Standard Definition Video Reconstruction Table 1. MAX7428 Control Register (MSB) NAME SYNCIO ABSEL DEFAULT 0 1 The reconstruction filter consists of a 6th-order Butterworth filter in three second-order stages. The Butterworth filter features a maximally flat passband for NTSC and ...
Page 10
Standard Definition Video Reconstruction Filters and Buffers Table 3. MAX7430 Control Register (MSB) NAME — ABSEL2 DEFAULT 0 1 NAME — ABSEL1 DEFAULT 0 1 CLEVEL: Clamp Level bit. A logic 0 selects a clamp level of 1V while a ...
Page 11
Standard Definition Video Reconstruction Table 5. MAX7432A Control Register (MSB) NAME — ABSEL3 DEFAULT 0 1 NAME — ABSEL2 DEFAULT 0 1 NAME — ABSEL1 DEFAULT 0 1 Applications Information Maxim’s Single Pin Bus (MSPB) The MSPB interface uses three ...
Page 12
Standard Definition Video Reconstruction Filters and Buffers Table 7. Initialization Capacitor Values and Pulse Widths (C = ±10% Tolerance, R REXT INITIALIZING WAIT PERIOD CAPACITOR VALUE (nF) 1000 680 470 220 150 100 6.8 4.7 ...
Page 13
Standard Definition Video Reconstruction Read Command Sequence: Prompts ≥ 8 (MAX7428) Prompts ≥ 16 (MAX7430) T101 Prompts ≥ 24 (MAX7432A) The broadcast sequence writes data to the control regis- ters of all the devices on the bus at the same ...
Page 14
Standard Definition Video Reconstruction Filters and Buffers t WAIT μP WILL RELEASE BUS BY TIME A B: μP CAN START READING BIT AT TIME B Figure 8. Read Timing Diagram t ...
Page 15
Standard Definition Video Reconstruction MAX7430 Y (LUMA) IN1A [CLEVEL = 0] [CLEVEL = 1] C (CHROMA) IN2A Figure 10. MAX7430 Y/C Video Filter Application MAX7432 Y (LUMA) IN1A [CLEVEL = 0] (INCLUDES SYNC SIGNAL) [CLEVEL = 1] P IN2A b ...
Page 16
Standard Definition Video Reconstruction Filters and Buffers Y (LUMA) OUT INA (INCLUDES INB SYNCIO SYNC SIGNAL) (CLEVEL = 0) MAX7428 OUT P INA b INB SYNCIO (CLEVEL = 1) MAX7428 P INA OUT r INB SYNCIO (CLEVEL = 1) MAX7428 ...
Page 17
Standard Definition Video Reconstruction TOP VIEW INA 1 8 OUT REXT CC MAX7428 INB 3 6 DATA GND 4 5 SYNCIO SOT23 V CC IN1A D/A 6TH-ORDER FILTER IN1B LEVEL SHIFT AUX INPUT SYNC IN2A D/A 6TH-ORDER ...
Page 18
Standard Definition Video Reconstruction Filters and Buffers IN1A D/A IN1B AUX INPUT IN2A D/A IN2B AUX INPUT IN3A D/A ENCODER IN3B AUX INPUT MAX7432 *OPTIONAL OUTPUT CAPACITOR 18 ______________________________________________________________________________________ Functional Diagrams (continued 6TH-ORDER +6dB FILTER LEVEL SHIFT SERIAL ...
Page 19
Standard Definition Video Reconstruction (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) MARKING ______________________________________________________________________________________ Filters and Buffers Package Information 0 0 PACKAGE OUTLINE, SOT-23, 8L ...
Page 20
Standard Definition Video Reconstruction Filters and Buffers (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) 20 ______________________________________________________________________________________ Package Information (continued) α α ...
Page 21
... 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 ____________________ 21 © 2006 Maxim Integrated Products ...