MAX9850EVCMOD2# Maxim Integrated, MAX9850EVCMOD2# Datasheet - Page 3

• Manufacturer Part Number: MAX9850EVCMOD2#
• Description: Audio D/A Converter ICs MAX9850 Evaluation System/Evaluation Kit
• Manufacturer: Maxim Integrated
• Series: MAX9850r

Specifications of MAX9850EVCMOD2#

• Resolution: 18 bit
• Interface Type: I2C
• Snr: 91 dB
• Operating Supply Voltage: 1.8 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Supply Current: 7.6 mA
• Maximum Power Dissipation: 2857 mW
• Number Of Dacs: 1
• Output Voltage: 1.95 V
• Thd Plus Noise: 87 dB

• Computer running Windows 98, 2000, or XP
• Serial port (this is a 9-pin socket on the back of the
• Standard 9-pin, straight-through, male-to-female
• CMOD232 command module with included wall
• Two 3.0V/100mA DC power supplies
• One pair of headphones (16Ω or greater)
• One digital audio S/PDIF signal source
The MAX9850 EV kit is fully assembled and tested.
Follow the steps below to verify board operation.
Caution: Do not turn on the power supply until all
connections are completed.
1) Enable the SDA/SCL pullup resistors on the com-
2) Set the command module working voltage to 3.3V
3) Connect a cable from the computer’s serial port to
4) Connect the provided wall cube power supply to
computer)
cable (serial extension cable) to connect the com-
puter’s serial port to the Maxim command module
interface board
cube power source
mand module by setting both switches (SW1) to the
on position.
by placing a shunt across pins 1-2 of the VDD
select jumper.
the command module (CMOD232) interface board.
Use a straight-through 9-pin male-to-female cable.
To avoid damaging the EV kit or your computer, do
not use a 9-pin null-modem cable or any other pro-
prietary interface cable that is physically similar to
the straight-through cable.
the CMOD232 board.
MAX9850 Evaluation System/Evaluation Kit
_______________________________________________________________________________________
Recommended Equipment
MAX9850.EXE
INSTALL.EXE
UNINST.INI
FILE
Command Module Setup
Quick Start
Procedure
Installs the EV kit files on your computer
Application program
Uninstalls the EV kit software
1) Visit
2) Install the EV kit software on your computer by run-
3) Ensure that the I
4) Ensure that a shunt is installed on jumper JU2
5) Connect the first 3.0V power supply to the DVDD
6) Connect the second 3.0V power supply to the
7) Connect the S/PDIF signal source to either J2 (opti-
8) Insert a pair of 16Ω headphones into the head-
9) Carefully align the 20-pin connector of the
10) Plug the CMOD232 wall cube into an electrical outlet.
11) Turn on both of the 3.3V power supplies
12) Enable the stereo audio sources.
13) Start the MAX9850 program by opening its icon in
14) Normal device operation can be verified by
15) To autoconfigure the MAX9850 in a functional state,
load the latest version of the EV kit software,
9850Rxx.ZIP. Save the EV kit software to a tempo-
rary folder and uncompress the ZIP file.
ning the INSTALL.EXE program inside the tempo-
rary folder. The program files are copied and icons
are created in the Windows Start | Programs
menu.
to 0x20h by verifying that a shunt is placed across
pins 1-2 of jumper JU1.
and corresponding GND pads.
PVDD and corresponding GND pads.
cal) or J7 (electrical)
phone jack J8.
MAX9850 EV kit with the 20-pin header of the
CMOD232 interface board. Gently press them
together.
the Start | Programs menu.
the “Status: MAX9850 Operational” text in the
Interface box.
use the “auto setup” feature in the MAX9850 software.
www.maxim-ic.com/evkitsoftware
DESCRIPTION
MAX9850 EV Kit Files
2
C address of the MAX9850 is set
EV Kit Setup
to down-
3