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PDF MAX4032 Data sheet ( Hoja de datos )
| Número de pieza | MAX4032 | |
| Descripción | 5V / 6dB Video Buffer with Sync-Tip Clamp / Output Sag Correction / and 150nA Shutdown Current | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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19-3021; Rev 0; 10/03
5V, 6dB Video Buffer with Sync-Tip Clamp,
Output Sag Correction, and 150nA Shutdown Current
General Description
The MAX4032 5V, 6dB video buffer with sync-tip clamp,
output sag correction, and low-power shutdown mode
is available in tiny SOT23 and SC70 packages. The
sag-corrected output of the MAX4032 is designed to
drive AC-coupled, 150Ω back-terminated video loads
in portable video applications such as digital still cams,
portable DVD players, digital camcorders, PDAs, video-
enabled cell phones, portable game systems, and
notebook computers. The sag correction feature intro-
duces low-frequency compensation that reduces the
value of the normally bulky and expensive 330µF AC-
coupling capacitor to two small, less expensive 22µF
capacitors. The input clamp positions the video wave-
form at the output and allows the MAX4032 to be used
as either an AC- or DC-coupled output driver.
The MAX4032 operates from a single +5V supply and
consumes only 6.5mA of supply current. The low-power
shutdown mode reduces the supply current to 150nA,
making the MAX4032 ideal for low-voltage, battery-
powered video applications.
The MAX4032 is available in tiny 6-pin SOT23 and
SC70 packages and is specified over the extended
-40°C to +85°C temperature range.
Applications
Portable Video/Game Systems/DVD Players
Digital Camcorders/Televisions/Still Cameras
PDAs
Video-Enabled Cell Phones
Notebook Computers
Portable/Flat-Panel Displays
Features
o Single +5V Operation
o Input Sync-Tip Clamp
o AC- or DC-Coupled Output
o Low-Power Shutdown Mode Reduces Supply
Current to 150nA
o SAG Correction Reduces Output-Coupling
Capacitors from 330µF to 22µF
o Available in Space-Saving SOT23 and SC70
Packages
PART
MAX4032EXT-T
MAX4032EUT-T
Ordering Information
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-
PACKAGE
6 SC70-6
6 SOT23-6
TOP
MARK
ACC
ABSP
TOP VIEW
Block Diagram
VCC
Pin Configuration
TOP VIEW
OUT 1
6 SAG
MAX4032
GND 2
5 SHDN
IN 3
4 VCC
SC70/SOT23
MAX4032
IN
CLAMP
1.2kΩ
580Ω
GND
2.3kΩ
780Ω
OUT
SAG
SHDN
________________________________________________________________ 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.
1 page  
5V, 6dB Video Buffer with Sync-Tip Clamp,
Output Sag Correction, and 150nA Shutdown Current
Typical Operating Characteristics (continued)
(VCC = 5.0V, GND = 0V, COUT = CSAG = 22µF, CIN = 0.1µF, RIN = 75Ω to GND, RL = 150Ω to GND, SHDN = VCC, TA = +25°C,
unless otherwise noted.)
LARGE-SIGNAL PULSE RESPONSE
MAX4032 toc10
SMALL-SIGNAL PULSE RESPONSE
MAX4032 toc11
VIN
500mV/div
VIN
25mV/div
VOUT
1V/div
10ns/div
VOUT
50mV/div
10ns/div
DIFFERENTIAL GAIN AND PHASE
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
0123456
1.0
0.8
0.6
0.4
0.2
0
-0.2
0123456
Pin Description
PIN NAME
1 OUT Video Output
2 GND Ground
3 IN Video Input
FUNCTION
Power-Supply Voltage. Bypass with a 0.1µF
4 VCC capacitor to ground as close to the pin as
possible.
5
SHDN Shutdown. Pull SHDN low to place the
MAX4032 in low-power shutdown mode.
6 SAG Sag Correction
RIN
Typical Application Circuit
VCC
MAX4032
IN
CLAMP
GND
COUT
OUT
CSAG
SAG
SHDN
RL
_______________________________________________________________________________________ 5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet MAX4032.PDF ] | |
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