MAS9118 MAS, MAS9118 Datasheet

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MAS9118

Manufacturer Part Number
MAS9118
Description
Evaluation Kit
Manufacturer
MAS
Datasheet
MAS9118 evaluation kit provides all the necessary
hardware (excluding PC running Windows 9X) and
software for evaluation of MAS9118 audio DAC with
class-D output stage.
MAS9118 evaluation board has two adjustable
voltage regulators for testing the input level shifters
MAS9118 audio DAC with class-D output stage
Power regulation
Adjustable driver voltage
Parallel port interface for PC
Possibility to play wave files
Software synthesizer for generating a test signal and multi-tone melodies
+7.5 V (600 mA)
0 V (ground)
F
OSC
MAS9118 Eval V2.0
(8 MHz)
MAS9118 Eval V2.0
MAS9118
X3
Figure 1.
X5
R2
VDDI
(1.8 V)
X6
of MAS9118 and for selecting various supply
voltages for class-D output driver.
The evaluation kit includes an on-board buzzer.
Optionally an external buzzer or loudspeaker can be
easily connected to the demo board by using a
jumper connector.
X4
R1
VDD
(3.6 V)
JP1
Reset
buzzer
To the parallel port of a PC
Buzzer and speaker configurations:
A) Buzzer on circuit board
B) External buzzer or loudspeaker
JP1
JP1
(Citizen CHB-03E)
Jumper between
pins 1 & 2
29 January, 2002
DAEV9118.001
Between
pins 2 & 4
1 (4)

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MAS9118 Summary of contents

Page 1

... MAS9118 evaluation kit provides all the necessary hardware (excluding PC running Windows 9X) and software for evaluation of MAS9118 audio DAC with class-D output stage. MAS9118 evaluation board has two adjustable voltage regulators for testing the input level shifters MAS9118 audio DAC with class-D output stage ...

Page 2

... X4 is used for connecting the operating voltage to MAS9118 (default position is ON). The voltage is normally 3.6 V and can be adjusted by R1 trimmer used for generating reset signal to MAS9118 (default position is OFF). Since MAS9118 has power-on-reset this jumper can normally be off. JP1 is used for connecting a buzzer, a loudspeaker or a measurement instrument to the output pins of MAS9118 (OUTP, OUTN) ...

Page 3

... At the nominal output voltage of 3.6 V the on-board voltage regulator (R1) can deliver required current to the class-D output stage of MAS9118. At higher voltages ( external voltage source should be used if the load is as low as 8 Ohms. The ...

Page 4

... Applications for any devices shown in this data sheet are for illustration only and Micro Analog Systems Oy makes no claim or warranty that such applications will be suitable for the use specified without further testing or modification. Tel. (09) 80521 Tel. Int. +358 9 80521 Telefax +358 9 8053213 Email: info@mas-oy.com DAEV9118.001 29 January, 2002 4 (4) ...

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