MAS9090B Micro Analog Systems, MAS9090B Datasheet - Page 27

• Manufacturer Part Number: MAS9090B
• Description: Low Voltage 14-bit Linear Codec
• Manufacturer: Micro Analog Systems

Typical application of MAS9090 for digital cellular systems
Typical application circuit of MAS9090
RF
A/D
D/A
Memory
DIGITAL BASEBAND
Modem
Equalizer
30 ohm/50 pF
Display
Control
Function
Channel
Codec
BZ
MIC3-
MIC2-
MIC1-
MIC3+
MIC2+
MIC1+
SP1-
SP1+
SP2-
SP1+
Keyboard
Speech
Codec
MCLK
CCLK
VCC
VCCP
VCCA
GND
GNDP
GNDA
FS
CO
CI
CS
LO
TX
RX
4.5-5.5V (5V mode)
2.7-3.6V (3V mode) or
Power
MAS9090
A/D
D/A
SPEECH
CODEC
PROCESSOR
512 kHz
8 kHz
MICRO
CONTROLLER
March 20, 1998
DA9090B.002
+
-
0V
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