MAX97220AEVKIT+【PDF 1/5 页】EVAL KIT

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19-5662; Rev 0; 12/10

MAX97220A Evaluation Kit

General Description

The MAX97220A evaluation kit (EV kit) is a fully assembled

and tested circuit board that evaluates the MAX97220A

differential input DirectDrive ? line driver/headphone

amplifier. The device is capable of driving 125mW into

32 I , or 3V RMS into 600 I load, with a 5V supply.

The EV kit provides an externally set gain, is

powered from a 2.5V to 5.5V single power supply,

and includes a shutdown input. The EV kit also evalu-

ates the MAX97220B, MAX97220C, and MAX97220D

devices. Request a free MAX97220B, MAX97220C, and/

or MAX97220D IC sample from the factory when ordering

the EV kit.

Features

S 2.5V_to_5.5V_Single-Supply_Operation

S 3V RMS _Output_Drive_Into_600 ω _Load_

S 125mW_Headphone_Amplifier

S Fully_Differential_Inputs

S Externally_Adjustable_Gain

S Low-Power_Shutdown_Input

S Evaluates_the_MAX97220B,_MAX97220C,_and_

MAX97220D_(with_IC_Replacement)

S Fully_Assembled_and_Tested

Ordering Information

PART

MAX97220AEVKIT+

TYPE

EV Kit

+ Denotes lead(Pb)-free and RoHS compliant.

Component List

DESIGNATION

C1, C2, C7

C3–C6

C8, C9

C10

QTY

DESCRIPTION

0.1 F F Q 10%, 25V X7R ceramic

capacitors (0603)

Murata GRM188R71E104K

TDK C1608X7R1E104K

0.47 F F Q 10%, 25V X7R ceramic

capacitors (0603)

Murata GRM188R71E474K

TDK C1608X5R1E474K

1 F F Q 10%, 10V X7R ceramic

capacitors (0603)

Murata GRM188R71C105K

TDK C1608X7R1C105K

10 F F Q 20%, 6.3V X5R ceramic

capacitor (0603)

Murata GRM188R60J106M

TDK C1608X5R0J106M

DESIGNATION

C11–C16

HP_OUT

JU1

OUTL, OUTR,

GND

OUTL

OUTR

R1–R8

—

QTY

DESCRIPTION

Not installed, ceramic capacitors

(0603)

3.5mm stereo headphone jack

2-pin header

Test points

White headphone jack

Red headphone jack

10k I Q 1% resistors (0603)

100k I Q 5% resistor (0603)

Differential input headphone

amplifier (16 TQFN)

Maxim MAX97220AETE+

Shunts

PCB MAX97220A EVALUATION

KIT+

Component Suppliers

SUPPLIER

Murata Electronics North America, Inc.

TDK Corp.

PHONE_

770-436-1300

847-803-6100

WEBSITE_

www.murata-northamerica.com

www.component.tdk.com

Note: Indicate that you are using the MAX97220_ when contacting these component suppliers.

DirectDrive is a registered trademark of Maxim Integrated

Products, Inc.

________________________________________________________________ _ Maxim Integrated Products _ _ 1

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.

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