MAX9532 Maxim Integrated Products, MAX9532 Datasheet

MAX9532

Manufacturer Part Number

MAX9532

Description

DirectDrive Video Amplifier

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX9532.pdf (12 pages)

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The MAX9532 DirectDrive

specifically designed to work in harsh environments

such as automobiles. The MAX9532 provides integrat-

ed short-to-battery protection, allowing the output of the

device to survive shorts up to 18V.

Maxim’s DirectDrive technology eliminates large output

coupling capacitors and sets the output video black

level near ground. DirectDrive requires an integrated

charge pump and an internal linear regulator to create

a clean negative power supply so that the amplifier can

pull the sync below ground. The charge pump injects

so little noise into the video output that the picture is

visibly flawless.

The MAX9532 features an internal reconstruction filter

that smoothes the steps and reduces the spikes on the

video signal from the video digital-to-analog converter

(DAC). The reconstruction filter typically provides ±1dB

passband flatness of 9.5MHz and 42dB attenuation at

27MHz.

The input of the MAX9532 can be directly connected to

the output of a video DAC. The MAX9532 also features a

transparent input sync-tip clamp, allowing AC-coupling

of input signals with different DC biases.

The MAX9532 features an internal fixed gain of 4V/V. The

input full-scale video signal is nominally 0.5V

output full-scale video signal is nominally 2V

The short-to-battery protection utilizes an internal switch

in series with the amplifier output. When the MAX9532

detects that the output is short circuited to the battery

voltage, the internal switch is disabled, protecting the

MAX9532 from voltages up to 18V.

The MAX9532 is available in a 3mm x 3mm, 10-pin

µMAX

+125°C automotive operating temperature range.

19-4431; Rev 0; 2/09

DirectDrive is a registered trademark of Maxim Integrated Products, Inc.

µMAX is a registered trademark of Maxim Integrated Prodcuts, Inc.

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

package and is specified over the -40°C to

________________________________________________________________ Maxim Integrated Products

500mV

General Description

P-P

VIDEO

video filter amplifier is

TRANSPARENT

DirectDrive Video Amplifier with

CLAMP

P-P

, and the

LPF

Short-to-Battery Protection

MAX9532

REGULATOR

CHARGE

LINEAR

PUMP

♦ Short-to-Battery Protection on Video Output (Up

♦ DirectDrive Sets Video Output Black Level Near

♦ DirectDrive Eliminates DC-Blocking Capacitors at

♦ 3.3V Single-Supply Operation

♦ Reconstruction Filter with 9.5MHz Passband and

♦ DC-Coupled Input/Output

♦ Transparent Input Sync-Tip Clamp

♦ 4V/V Internal Fixed Gain

+ Denotes a lead(Pb)-free/RoHS-compliant package.

Pin Configuration and Functional Diagram/Typical

Application Circuits appear at end of data sheet.

MAX9532AUB+

to 18V)

Ground

the Output

42dB Attenuation at 27MHz

= 4V/V

PART

Automotive Infotainment Systems

Simplified Block Diagram

JACKSENSE

OUT

PIN-PACKAGE

Ordering Information

10 µMAX

P-P

VIDEO

Applications

-40°C to +125°C

TEMP RANGE

Features

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