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GM0936TQ

Voice-Band Audio CODEC for CDMA

Hyundai Micro Electronics 

GM0936TQ

Analog Characteristics (TA=25¡ É, DVCC = AVCC = 3V, fs = 8 KHz)

A/D Converter

PARAMETER

MIN

TYP

MAX

Oversampling Ratio

128

Resolution

13

Dynamic Range

70

S/(N+THD)

50

52

Output Sample Rate

8

Maximum output current for MICBIAS

1

Maximum output voltage for Microphone

Amplifier

0.85

0.95

UNIT

bit

dB

dB

KHz

mA

Vpp

Transmit filter transfer over recommended ranges of supply voltage and free-air

temperature, CLK=2.048 MHz, FSX=8 kHz

PARAMETER

Gain relative to

input signal at

1.02 kHz

TEST CONDITIONS

fMICIN = 50 Hz

fMICIN = 200 Hz

Input amplifier set for

unity gain, the output for

400mVpp signal at

MICGS is 0dB

fMICIN = 300 Hz

fMICIN = 1 kHz

fMICIN = 2 kHz

fMICIN = 3 kHz

fMICIN = 3.3 kHz

fMICIN = 3.8 kHz

MIN TYP MAX UNIT

0.76

0.73

0.67

0

dB

-1.9

-4.5

-5.4

-8.9

8

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