MAX4028EUE+ Maxim Integrated Products, MAX4028EUE+ Datasheet

IC AMP VIDEO MUX 2:1 16-TSSOP

MAX4028EUE+

Manufacturer Part Number
MAX4028EUE+
Description
IC AMP VIDEO MUX 2:1 16-TSSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX4028EUET.pdf (13 pages)

Specifications of MAX4028EUE+

Applications
2:1 Multiplexer-Amplifier
Number Of Circuits
3
-3db Bandwidth
210MHz
Slew Rate
300 V/µs
Current - Supply
29mA
Current - Output / Channel
30mA
Voltage - Supply, Single/dual (±)
4.5 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
16-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX4028/MAX4029 are 5V, triple/quad, 2:1 voltage-
feedback multiplexer-amplifiers with input clamps and a
fixed gain of +2V/V (6dB). Channel 1 (IN1A and IN1B)
inputs are clamped to the video sync tip of the input sig-
nal, while the remaining inputs can be clamped to either
the video sync tip or the video sync of channel 1 (IN1_).
The latter is referred to as a key clamp and is pin selec-
table. Selectable clamp/key-clamp inputs and fixed-gain
video output buffers make the MAX4028/MAX4029 ideal
for video-source switching applications such as automo-
tive entertainment systems, video projectors, and dis-
plays/TVs. Both devices have 20ns channel switching
times and low ±10mV
them ideal for high-speed video switching applications
such as on-screen display (OSD) insertion.
The MAX4028/MAX4029 have a -3dB large-signal (2V
bandwidth of 130MHz, a -3dB small-signal bandwidth of
210MHz, and a 300V/µs slew rate. Low differential gain
and phase errors of 0.2% and 0.4°, respectively, make
these devices ideal for broadcast video applications.
The MAX4028/MAX4029 are specified over the -40°C to
+85°C extended temperature range and are offered in
16-pin and 20-pin TSSOP/SO packages.
19-3240; Rev 0; 3/04
Pin Configurations appear at end of data sheet.
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.
MAX4028
MAX4029
In-Car Navigation/Entertainment
Blade Servers
Security Systems
Video Projectors
Displays and Digital Televisions
Broadcast and Graphics Video
Set-Top Boxes
Notebook Computers
Video Crosspoint Switching
PART
Multiplexer-Amplifiers with Input Clamps
________________________________________________________________ Maxim Integrated Products
P-P
MUX-AMPS
NO. OF 2:1
General Description
switching transients, making
3
4
Selector Guide
Applications
GAIN
2V/V
2V/V
P-P
)
♦ Single +5V Operation
♦ Independently Selectable Sync-Tip or
♦ Adjustable Key-Clamp Voltage
♦ 130MHz Large-Signal -3dB Bandwidth
♦ 210MHz Small-Signal -3dB Bandwidth
♦ 300V/µs Slew Rate
♦ 20ns Switching Time
♦ Ultra-Low ±10mV
♦ 0.2% Differential Gain/0.4° Phase Error
♦ Low-Power, High-Impedance Disable Mode
MAX4028EUE
MAX4028EWE
MAX4029EUP
MAX4029EWP
75Ω CABLE
75Ω CABLE
75Ω CABLE
75Ω CABLE
Triple/Quad, 2:1 Video
Key-Clamp Inputs
R
KEYREF
PART
75Ω
75Ω
75Ω
75Ω
6kΩ
0.1µF
0.1µF
0.1µF
0.1µF
C
C
C
C
IN
IN
IN
IN
IN1A
IN1B
IN2A
KEYREF
Typical Operating Circuit
IN2B
CLAMP
CLAMP
CLAMP
CLAMP
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
P-P
Ordering Information
A/B
KEY/CLAMP
Switching Transient
CONTROL
1kΩ
1kΩ
MAX4028
MAX4029
1kΩ
1kΩ
V
CC
16 TSSOP
16 Wide SO
20 TSSOP
20 Wide SO
PIN-PACKAGE
0.1µF
OUT1
OUT2
Features
DISABLE
CLAMP/KEY_2
75Ω
75Ω
+5V
75Ω CABLE
75Ω CABLE
0.01µF
1

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MAX4028EUE+ Summary of contents

Page 1

... MUX-AMPS MAX4028 3 MAX4029 4 Pin Configurations appear at end of data sheet. ________________________________________________________________ Maxim Integrated Products 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. Triple/Quad, 2:1 Video ♦ Single +5V Operation ♦ Independently Selectable Sync-Tip or Key-Clamp Inputs ♦ ...

Page 2

Triple/Quad, 2:1 Video Multiplexer-Amplifiers with Input Clamps ABSOLUTE MAXIMUM RATINGS Supply Voltage (V to GND) ..................................-0.3V to +6V CC IN_A, IN_B, OUT_.......................................-0. DISABLE, A/B, KEYREF, CLAMP/KEY_......-0. Current Into IN_A, IN_B ...................................................±0.5mA Short-Circuit Duration (V to GND)........................Continuous ...

Page 3

Multiplexer-Amplifiers with Input Clamps AC ELECTRICAL CHARACTERISTICS (V = +5V, GND = 0V 150Ω to GND Typical values are +25°C.) A PARAMETER Small-Signal -3dB Bandwidth Large-Signal -3dB Bandwidth Small-Signal 0.1dB Gain Flatness ...

Page 4

Triple/Quad, 2:1 Video Multiplexer-Amplifiers with Input Clamps (V = +5V, GND = 0V +5V, R DISABLE CC noted.) SMALL-SIGNAL BANDWIDTH vs. FREQUENCY 100mV OUT P ...

Page 5

Multiplexer-Amplifiers with Input Clamps (V = +5V, GND = 0V, V DISABLE CC noted.) OUTPUT IMPEDANCE vs. FREQUENCY 100 10 1 0.1 10k 100k 1M 10M 100M FREQUENCY (Hz) SMALL-SIGNAL TRANSIENT RESPONSE MAX4028 toc13 V IN 25mV/div SIGNAL 2 50mV/div ...

Page 6

Triple/Quad, 2:1 Video Multiplexer-Amplifiers with Input Clamps (V = +5V, GND = 0V +5V, R DISABLE CC noted.) CLAMP VOLTAGE vs. TEMPERATURE 0.43 0.42 0.41 0.40 0.39 0.38 0.37 -50 - TEMPERATURE (°C) PIN NAME ...

Page 7

Multiplexer-Amplifiers with Input Clamps PIN NAME MAX4028 MAX4029 15 18 OUT1 DISABLE 16 19 — 20 CLAMP/KEY_4 V CC IN1A CLAMP IN1B 1kΩ CLAMP 1kΩ IN2A CLAMP/ KEY CLAMP IN2B 1kΩ CLAMP/ KEY CLAMP 1kΩ CLAMP/KEY_2 IN3A CLAMP/ KEY CLAMP ...

Page 8

Triple/Quad, 2:1 Video Multiplexer-Amplifiers with Input Clamps Therefore, a 6kΩ resistor will produce a 1.13V key- clamp voltage as shown in Figure 2. The clamp voltage ( measured at the output; the voltage at the CLAMP input is ...

Page 9

Multiplexer-Amplifiers with Input Clamps Table 2. MAX4029 Clamp Settings for Video Formats INPUT FORMAT 1 Cvbs1 2 Cvbs2 3 Cvbs3 4 Cvbs4 INPUT FORMAT 1 H-Sync have sync on none. INPUT ...

Page 10

Triple/Quad, 2:1 Video Multiplexer-Amplifiers with Input Clamps SMALL-SIGNAL BANDWIDTH vs. FREQUENCY 15pF LOAD 10pF LOAD 5pF LOAD 100k 1M 10M 100M FREQUENCY (Hz) ...

Page 11

Multiplexer-Amplifiers with Input Clamps The bypass capacitors should include a 0.1µF, ceramic surface-mount capacitor between V plane, located as close to the package as possible. Optionally, place a 10µF capacitor at the power supply’s point-of-entry to the PC board to ...

Page 12

Triple/Quad, 2:1 Video Multiplexer-Amplifiers with Input Clamps (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.) 12 ______________________________________________________________________________________ Package Information PACKAGE OUTLINE, TSSOP 4.40mm BODY 1 ...

Page 13

... 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 ____________________ 13 © 2004 Maxim Integrated Products ...

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