CMX608 datasheet(63/70 Pages) CMLMICRO

63 / 70 page

RALCWI Vocoder

CMX608/CMX618/CMX638

 2014 CML Microsystems Plc

D/608_18_38/11

Notes

Min.

Typ.

Max.

Units

AC Parameters

XTALin

'High' pulse width

–

'Low' pulse width

–

Input impedance (at 12.0MHz)

Powered-up

Resistance

–

150

–



Capacitance

–

Powered-down

Resistance

–

300

–



Capacitance

–

Xtal start up time (from powersave)

–

BIAS (CMX618/CMX638 only)

Start up time (from powersave)

–

100

–

CODEC (CMX618/CMX638 only)

Input Impedance (INPUT P or INPUT N)

–



Input Voltage Range (INPUT P or INPUT N)

11, 18

–

20 to 80

%AVDD

Differential Input Voltage (pk to pk)

12, 13, 18

–

100

%AVDD

Output Load Impedance (OUT P or OUT N)

–



Output Voltage Range (OUT P or OUT N)

3, 14, 18

–

10 to 90

% VDDPA

Differential Output Voltage (pk to pk)

3, 12, 18

–

160

% VDDPA

Differential Output Power

–

120

–

Input Gain Setting Accuracy

–

±0.5

–

Output Gain Setting Accuracy

–

±0.5

–

ADC SINAD

5, 15

–

DAC SINAD

8, 16

–

Vocoder Performance

Sample Rate

–

ks/s

Data Rate (with FEC)

–

3600

–

bps

Data Rate (without FEC)

2400

–

2750

bps

Lower Frequency Limit (internally bandlimited)

–

Upper Frequency Limit (internally bandlimited)

–

3900

Encoder Algorithmic Delay

–

Decoder Algorithmic Delay

–

CMX608 数据表(PDF) 63 Page - CML Microcircuits

CMX608 数据表(HTML) 63 Page - CML Microcircuits

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