MAX9760EVSYS Maxim Integrated, MAX9760EVSYS Datasheet

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MAX9760EVSYS

Manufacturer Part Number
MAX9760EVSYS
Description
Amplifier IC Development Tools
Manufacturer
Maxim Integrated
Series
MAX9760, MAX9761, MAX9762, MAX9763r
Datasheet
The MAX9760 evaluation system (EV system) consists
of a MAX9760 evaluation kit (EV kit) and a companion
Maxim System Management Bus (SMBus™) interface
board. The MAX9760 EV kit is also capable of evaluat-
ing the MAX9761/MAX9762/MAX9763.
The MAX9760 EV kit is a fully assembled and tested
surface-mount circuit board that evaluates the
MAX9760 3W stereo audio power amplifier plus head-
phone driver. The EV kit is designed to be driven by
any stereo audio source such as a CD player. The EV
kit includes RCA jacks on the inputs, a 3.5mm head-
phone jack, and terminal blocks on the outputs to facili-
tate easy connections to the circuit board. The EV kit
includes Windows
which provides a user interface for exercising the
MAX9760’s features.
The Maxim SMBus interface board (MAXSMBUS) allows
an IBM-compatible PC to use its parallel port to emulate
an SMBus/I
compatible software provides a user-friendly interface to
exercise the MAX9760 features. The program is menu
driven and offers a graphical user interface (GUI) with
control buttons and a status display.
The MAX9760EVSYS includes both the EV kit and the
MAXSMBUS interface board. Order the MAX9760EVKIT
if you already have an SMBus interface. The MAX9761
EV kit functions as a stand-alone unit, the MAXSMBUS
interface is not required.
19-2833; Rev 2; 5/04
SMBus is a trademark of Intel Corp.
Windows is a registered trademark of Microsoft Corp.
Note: To evaluate the MAX9762, or MAX9763, request a
MAX9762ETI or MAX9763ETI free sample with the
MAX9760EVKIT. To evaluate the MAX9761, order the
MAX9761EVKIT. The MAX9760 EV kit software is provided with
the MAX9760EVKIT; however, the MAXSMBUS board is
required to interface the EV kit to the computer when using the
included software.
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.
MAX9760EVKIT
MAX9760EVSYS 0°C to +70°C
MAX9761EVKIT
PART
2
C 2-wire interface. Windows 98/2000/XP-
TEMP RANGE
0°C to +70°C
0°C to +70°C
________________________________________________________________ Maxim Integrated Products
®
98/2000/XP-compatible software,
Ordering Information
General Description
IC
PACKAGE
28 QFN
28 QFN
28 QFN
MAX9760/MAX9761 Evaluation
SMBus
INTERFACE
TYPE
Not included
MAXSMBUS
Not required
♦ 4.5V to 5.5V Single-Supply Operation
♦ 3W Stereo Bridge-Tied-Load (BTL) Amplifier
♦ 100dB Power-Supply Rejection Ratio
♦ SMBus/I
♦ 2:1 Stereo Input MUX
♦ Selectable Bass-Boost Circuitry
♦ No Detectable Clicks or Pops
♦ Easy-to-Use, Menu-Driven Software
♦ Assembled and Tested
♦ Software-Controlled Mute, Shutdown, Input
♦ Automatic Headphone-Sensing Circuitry
♦ Includes Windows 98/2000/XP-Compatible
♦ Evaluates the MAX9760–MAX9763
Figure 1. MAX9760/61 EV Kit Block Diagram
System/Evaluation Kit
INPUT L1
INPUT L2
INPUT R1
INPUT R2
Selection, and Gain
Software and Demo PC Board
HPS
2
C-Compatible 2-Wire Serial Interface
BTL
SE/
SINGLE SUPPLY
4.5V TO 5.5V
COMPATIBLE
I
2
C
Block Diagram
SMBUS/I
COMPATIBLE
INTERFACE
Features
LEFT
RIGHT
2
C-
1

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MAX9760EVSYS Summary of contents

Page 1

... MAX9760 features. The program is menu driven and offers a graphical user interface (GUI) with control buttons and a status display. The MAX9760EVSYS includes both the EV kit and the MAXSMBUS interface board. Order the MAX9760EVKIT if you already have an SMBus interface. The MAX9761 EV kit functions as a stand-alone unit, the MAXSMBUS interface is not required ...

Page 2

MAX9760/MAX9761 Evaluation System/Evaluation Kit DESIGNATION QTY DESCRIPTION 0.68µF ±10%, 20V tantalum C1–C4 4 capacitors (R-case) AVX TAJR684K020 100pF ±5%, 50V C0G ceramic C5, C6, C16 3 capacitors (0402) TDK C1005C0G1H101J 0.047µF ±10%, 16V X7R ceramic capacitors (0402) C7 ...

Page 3

To avoid damaging the EV kit or your computer, do not use a 25-pin SCSI port or any other connector that is physically similar to the 25-pin parallel printer port. 6) The MAX9760.EXE software program can be ...

Page 4

MAX9760/MAX9761 Evaluation System/Evaluation Kit Detailed Description of User-Interface Panel The user interface (shown in Figure 2) is easy to operate; use the mouse combination of the Tab and Arrow keys to manipulate the software. Each of the buttons ...

Page 5

Figure 3. The above example shows a simple SMBusWriteByte operation using the included 2-Wire Interface Diagnostics. In this example, the software is writing data (0x18) to Device Address 0x92, Register Address 0x01. The above data sequence mutes both output channels ...

Page 6

MAX9760/MAX9761 Evaluation System/Evaluation Kit 3) Calculate and install components R C using equations 1, 2, and × × × ...

Page 7

Table 5. MAX9761 Gain Selection SHUNT MAX9761 JUMPER POSITION GAINA/B PIN 1–2* VDD 3–4 SDA 5–6 DGND 7–8 SCL JU1 9–10 GAINA/B pad HPS pin of 11–12 MAX9761 *Default configuration. Table 6. MAX9761 Headphone Sense Enable Selection SHUNT JUMPER POSITION ...

Page 8

MAX9760/MAX9761 Evaluation System/Evaluation Kit J6 HEADER 20 PIN J6-2 J6-3 SDA J6-4 J6-7 SCL VDD J6-5 J6-9 J6-6 J6-11 INT J6-8 J6-13 R13 J6-10 J6-15 1kΩ VDD J6-12 J6-17 J6-14 J6-20 1 J6-16 J6-1 2 J6-18 R14 3 1kΩ J6-19 ...

Page 9

Figure 6. MAX9760 EV Kit Component Placement Guide—Component Side Figure 7. MAX9760 EV Kit PC Board Layout—Component Side _______________________________________________________________________________________ MAX9760/MAX9761 Evaluation System/Evaluation Kit 9 ...

Page 10

MAX9760/MAX9761 Evaluation System/Evaluation Kit Figure 8. MAX9760 EV Kit PC Board Layout—Inner Layer 2 Figure 9. MAX9760 EV Kit PC Board Layout—Inner Layer 3 10 ______________________________________________________________________________________ ...

Page 11

Figure 10. MAX9760 EV Kit PC Board Layout—Solder Side ______________________________________________________________________________________ MAX9760/MAX9761 Evaluation System/Evaluation Kit 11 ...

Page 12

MAX9760/MAX9761 Evaluation System/Evaluation Kit J6 HEADER 20 PIN J6-2 J6-3 SDA J6-4 J6-7 SCL VDD J6-5 J6-9 J6-6 J6-11 INT J6-8 J6-13 R13 J6-10 J6-15 1kΩ VDD J6-12 J6-17 J6-14 J6-20 1 J6-16 J6-1 2 J6-18 R14 3 1kΩ J6-19 ...

Page 13

J6 HEADER 20 PIN J6-2 J6-3 SDA J6-4 J6-7 SCL VDD J6-5 J6-9 INT J6-6 J6-11 J6-8 J6-13 R13 J6-10 J6-15 1kΩ VDD J6-12 J6-17 J6-14 J6-20 1 J6-16 J6-1 2 J6-18 R14 3 1kΩ J6-19 VDD 1 DGND JU3 ...

Page 14

... 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. 14 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2004 Maxim Integrated Products ...

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