MAX97236EVKIT# Maxim Integrated Products, MAX97236EVKIT# Datasheet

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MAX97236EVKIT#

Manufacturer Part Number
MAX97236EVKIT#
Description
Audio Modules & Development Tools MAX97236 Eval Kit
Manufacturer
Maxim Integrated Products
Datasheet
The MAX97236 evaluation kit (EV kit) is a fully assem-
bled and tested surface-mount PCB that evaluates the
MAX97236 IC, which is an audio amplifier with automatic
jack detection and configuration, volume control, and
microphone preamplifier. To facilitate evaluation, the EV kit
includes input RCA jack connectors (J2, J3), a 5-pin stereo
headphone jack connector (J1), and an external clock
input BNC jack connector (J4).
The device’s I
MAXQ2000 microcontroller, allowing for evaluation with
the EV kit software, which can be downloaded from
www.maxim-ic.com/evkitsoftware.
Windows, Windows XP, and Windows Vista are registered
trademarks of Microsoft Corp.
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.
C12, C13, C39, C40
C17, C19, C22, C38
C29–C32, C33, C37
C3, C5, C6, C11,
DESIGNATION
C14, C18, C20,
C4, C7, C8, C9
C2, C26, C27,
C21, C23
C15, C16
C1, C28
2
C control bus is interfaced to the on-board
_________________________________________________________________ Maxim Integrated Products 1
QTY
2
9
9
4
0
2
4
General Description
10FF Q10%, 6.3V X5R
ceramic capacitors (0603)
Murata GRM188R0J106M
0.1FF Q10%, 6.3V X5R
ceramic capacitors (0402)
Murata GRM155R60J104K
1FF Q10%, 10V X5R ceramic
capacitors (0402)
Murata GRM155R61A105K
1FF Q10%, 16V X7R ceramic
capacitors (0603)
Murata GRM188R71C105K
Not installed, ceramic
capacitors (0402)
2.2FF Q20%, 6.3V X5R
ceramic capacitors (0603)
Murata GRM188R60J225M
0.01FF Q10%, 25V X7R
ceramic capacitors (0402)
Murata GRM155R71E103K
DESCRIPTION
MAX97236 Evaluation Kit
S
S
S
S
S
S
S
S
Ordering Information
FB1, FB2, FB4, FB5
USB Powered
I
RCA Input Connectors
3.5mm Output Connector
Windows XP
7-Compatible Software
Surface-Mount Components
Proven PCB Layout
Fully Assembled and Tested
2
DESIGNATION
C Interface
Evaluates: MAX97236
C24, C25
C35, C36
C34
FB3
D1
D2
J1
J2
®
-, Windows Vista
appears at end of data sheet.
QTY
2
1
2
1
1
4
1
1
1
8pF Q0.5pF, 50V C0G
ceramic capacitors (0402)
Murata GRM1555C1H8R0D
Taiyo Yuden
UMK105CH080DV
33000pF Q10%, 16V X7R
ceramic capacitor (0603)
Murata GRM188R71C333K
18pF Q5%, 50V C0G
ceramic capacitors (0603)
Murata GRM1885C1H180J
TDK C1608C0G1H180J
Yellow LED (0603)
Red LED (0603)
0I resistors (0402)
0I resistor (0603)
3.5mm stereo headphone
jack connector
Phono jack connector, white
(side-entry PCB mount)
Component List
®
DESCRIPTION
-, and Windows
19-5799; Rev 0; 3/11
Features
®

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MAX97236EVKIT# Summary of contents

Page 1

... Murata GRM155R71E103K Windows, Windows XP, and Windows Vista are registered trademarks of Microsoft Corp. _________________________________________________________________ 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. MAX97236 Evaluation Kit Evaluates: MAX97236 USB Powered ...

Page 2

... TDK Corp. Note: Indicate that you are using the MAX97236 when contacting these component suppliers. FILE INSTALL.EXE MAX97236.EXE CDM20600.EXE UNINSTALL.EXE USB_Driver_Help_200.PDF DirectDrive is a registered trademark of Maxim Integrated Products, Inc. _________________________________________________________________ Maxim Integrated Products 2 Evaluates: MAX97236 DESCRIPTION DESIGNATION headphone M PHONE 770-436-1300 800-348-2496 847-803-6100 ...

Page 3

... EV kit: Connected, Device Address: 0x80, and Vendor ID: 0x09. 7) Select the Controls tab and then the Jack Detect subtab. _________________________________________________________________ Maxim Integrated Products 3 Evaluates: MAX97236 Quick Start 8) Select the Auto mode enabled (set SHDN low) radio box from the Automatic Configuration Control group box ...

Page 4

... The hardware interrupts are enabled/disabled by check- ing/unchecking the associated checkbox in the IRQ Mask_ group boxes. For a status register flag to be reported on the device’s open-drain IRQ pin, the corre- _________________________________________________________________ Maxim Integrated Products 4 FUNCTIONALITY Saves/loads a .97236 configuration file (see the Save/Load Settings section). Closes the software. ...

Page 5

... Figure 1. Status/Masks Subtab _________________________________________________________________ Maxim Integrated Products 5 Evaluates: MAX97236 ...

Page 6

... Figure 2. Audio Subtab _________________________________________________________________ Maxim Integrated Products 6 Evaluates: MAX97236 ...

Page 7

... Passive Multi-Button Headset Read button KEY STATUS label Keyscan ADC enable checkbox KEY EVENT label _________________________________________________________________ Maxim Integrated Products 7 Evaluates: MAX97236 Keyscan Subtab sheet for additional load state forcing and jack detection/ configuration details. The Automatic Configuration Control group box con- figures the method in which the device’ ...

Page 8

... Table 5. GPIO Functionality MAXQ2000 GPIO NET NAME K1 IRQ _________________________________________________________________ Maxim Integrated Products 8 Evaluates: MAX97236 Registers Tab The Connection tab sheet is used to establish a connec- tion with the MAXQ2000 interface included on the EV kit. The Bit Set/Clear tab sheet provides control of the MAXQ2000’ ...

Page 9

... Figure 3. Keyscan Subtab _________________________________________________________________ Maxim Integrated Products 9 Evaluates: MAX97236 ...

Page 10

... Figure 4. Jack Detect Subtab ________________________________________________________________ Maxim Integrated Products 10 Evaluates: MAX97236 ...

Page 11

... Figure 5. Registers Tab ________________________________________________________________ Maxim Integrated Products 11 Evaluates: MAX97236 ...

Page 12

... Figure 6. Advanced User Interface (Bit Set/Clear Tab) Figure 7. Advanced User Interface (2-Wire Interface | General Commands Subtab) ________________________________________________________________ Maxim Integrated Products 12 Evaluates: MAX97236 ...

Page 13

... J4 BNC jack connector (see Table 7). The EXTCLK clock input is used to generate the 1kHz key- scan clock as well as the keyscan’s ADC clock. The 1kHz _ _ _______________________________________________________________ _Maxim Integrated Products_ _ 13 Evaluates: MAX97236 keyscan clock is generated by dividing the EXTCLK clock frequency by the 16-bit value contained in the KEY_DIV_HIGH (0x12) and KEY_DIV_LOW (0x13) regis- ters. The keyscan’ ...

Page 14

... Installed Installed Installed Not installed Connect an external clock (1MHz to 26MHz) to the J4 Not X BNC jack connector. installed *Default position Don’t care. ________________________________________________________________ Maxim Integrated Products 14 Evaluates: MAX97236 Table 8. Audio Input (J2, J3) AUDIO INPUT MICVDD (JU2) J2 3.3V J3 Table 9. Audio Output (J1) AUDIO OUTPUT 19 ...

Page 15

... MICVDD D5 VDD E3 Figure 8a. MAX97236 EV Kit Schematic (Sheet ________________________________________________________________ Maxim Integrated Products 15 Evaluates: MAX97236 GND B2 GND A1 PGND D3 PGND E2 OPEN R13 OPEN R2 OPEN R14 ...

Page 16

... P7.1/RXO/INT15 44 VLCD 45 VLCD1 46 VLCD2 47 VADJ 48 IRQ SEG0/P0.0 49 10k SEG1/P0.1 50 SEG2/P0.2 R15 51 SEG3/P0.3 52 SEG4/P0.4/INT0 53 SEG5/P0.5/INT1 54 SEG6/P0.6/INT2 55 SEG7/P0.7/INT3 56 Figure 8b. MAX97236 EV Kit Schematic (Sheet ________________________________________________________________ Maxim Integrated Products 16 Evaluates: MAX97236 RESET 28 P4.3/TDO 27 P4.2/TMS 26 P4.1/TDI/INT9 25 P4.0/TCK/INT8 24 GND 23 VDDIO 22 COM0 21 SEG27/COM1 20 SEG26/COM2 19 SEG25/COM3 18 SEG24 17 SEG23/P3.7/INT7 16 SEG22/P3.6/INT6 15 ...

Page 17

... Figure 9. MAX97236 EV Kit Component Placement Guide— Component Side Figure 10. MAX97236 EV Kit PCB Layout—Component Side ________________________________________________________________ Maxim Integrated Products 17 Evaluates: MAX97236 Figure 11. MAX97236 EV Kit PCB Layout—Layer 2 Figure 12. MAX97236 EV Kit PCB Layout—Layer 3 ...

Page 18

... Figure 13. MAX97236 EV Kit PCB Layout—Layer 4 Figure 15. MAX97236 EV Kit PCB Layout—Solder Side ________________________________________________________________ Maxim Integrated Products 18 Evaluates: MAX97236 Figure 14. MAX97236 EV Kit PCB Layout—Layer 5 ...

Page 19

... Ordering Information PART MAX97236EVKIT# #Denotes RoHS compliant. ________________________________________________________________ Maxim Integrated Products 19 Evaluates: MAX97236 TYPE EV Kit ...

Page 20

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

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