MAX9719AEVKIT Maxim Integrated, MAX9719AEVKIT Datasheet

MAX9719AEVKIT

Manufacturer Part Number

MAX9719AEVKIT

Description

Audio Amplifiers Programmers, Development Systems

Manufacturer

Maxim Integrated

Datasheet

1.MAX9719AEVKIT.pdf (4 pages)

Specifications of MAX9719AEVKIT

Product

Class-AB

Output Type

2-Channel Stereo

Output Power

1.4 W

Thd Plus Noise

0.00%

Operating Supply Voltage

2.7 V to 5.5 V

Supply Current

5 mA

Maximum Power Dissipation

1349 mW

Common Mode Rejection Ratio (min)

- 60 dB

Input Signal Type

Differential

Factory Pack Quantity

Supply Voltage - Max

5.5 V

Supply Voltage - Min

2.7 V

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The MAX9719A evaluation kit (EV kit) is a fully assembled

and tested circuit board that uses the MAX9719A stereo,

differential audio amplifier to drive a pair of bridge-tied-

load (BTL) speakers in portable audio applications.

Designed to operate from a 2.7V to 5.5V DC power sup-

ply, the EV kit is capable of delivering 2 x 1.1W into a pair

of 8Ω speakers.

The MAX9719A inputs can accept a common-mode input

voltage of 0.5V through (V

source, therefore eliminating the need for input-signal

coupling capacitors. The EV kit provides an option to

bypass the input-signal coupling capacitors when the DC

offset level of the input signals is within an acceptable

range. The MAX9719A EV kit also evaluates the

MAX9719B, MAX9719C, and MAX9719D.

19-3370; Rev 0; 7/04

Note: Indicate that you are using the MAX9719AEVKIT when contacting these component suppliers.

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.

Panasonic

TDK

DESIGNATION

JU1–JU4

C9–C12

C6, C7

C1–C4

R1–R8

None

JU5

SUPPLIER

QTY

________________________________________________________________ Maxim Integrated Products

MAX9719AEBE (16-pin UCSP)

0.47µF ±20%, 16V film chip

capacitors (1206)

Panasonic ECPU1C474MA5

10µF ±20%, 6.3V X5R ceramic

capacitor (0805)

TDK C2012X5R0J106M

1µF ±10%, 10V X5R ceramic

capacitors (0603)

TDK C1608X5R1A105K

0.1µF ±10%, 25V X7R ceramic

capacitor (0603)

TDK C1608X7R1E104K

Not installed, capacitors (0603)

10kΩ ±1% resistors (0603)

MAX9719AETE (16-pin TQFN)

2-pin headers

3-pin header

Shunts

MAX9719A PC board

General Description

- 1.2V) from a DC-coupled

Component List

DESCRIPTION

714-373-7366

847-803-6100

PHONE

MAX9719A Evaluation Kit

o Also Evaluates the MAX9719B/C/D (IC and

o 2.7V to 5.5V Single-Supply Operation

o Drives 2 x 1.1W Into Stereo 8Ω Speakers at 1%

o Differential Inputs

o 100nA Shutdown Current (typ)

o Small 16-Pin TQFN (4mm x 4mm) Package

o Also Available in 16-Bump UCSP and 16-Pin

o Fully Assembled and Tested

The MAX9719A EV kit is fully assembled and tested.

Follow the steps listed below to verify board operation.

Do not turn on the power supply until all connections

are completed.

•

1) Verify that no shunts are installed on jumpers

2) Verify that a shunt is installed across pins 1 and 2 of

3) Connect the first 8Ω speaker across the OUTR+

4) Connect the second 8Ω speaker across the OUTL+

*EP = Exposed paddle.

MAX9719AEVKIT

Component Replacement Required)

THD+N

TSSOP-EP Packages

2.7V to 5.5V, 3A power supply

Audio signal source with stereo outputs

Two 8Ω speakers

JU1–JU4 (input-signal coupling capacitors are in

circuit).

jumper JU5 (EV kit ON).

and OUTR- PC board pads.

and OUTL- PC board pads.

714-737-7323

847-390-4405

PART

FAX

Component Suppliers

Recommended Equipment

Ordering Information

TEMP RANGE

0°C to +70°C

www.panasonic.com

www.component.tdk.com

Quick Start

WEBSITE

IC PACKAGE

16-TQFN-EP*

(4mm x 4mm)

Features

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