PCN/PCS Delta Modulation CODEC
10
MX609
6.1.3
Operating Characteristics
For the following conditions unless otherwise specified:
V
DD
= 5.0V at T
AMB
= 25°C, Audio Test Frequency = 820Hz Xtal/Clock f
0
= 1.024MHz
Sample Clock Rate = 32kbps, Audio level 0dB ref (0 dBm0) = 489mV
RMS
.
Note
s
Static Values
Supply Voltage
Supply Current (Enabled)
Supply Current (Powersave)
Input logic ‘1’
Input Logic ‘0’
Output Logic ‘1’
Output Logic ‘0’
Digital input Impedance
Logic I/O pins
Logic Input pins, Pullup Resistor
Digital output impedance
Analog Input Impedance
Analog Output Impedance
Three State Output Leakage
Insertion Loss
Dynamic Values
Encoder
Analog signal Input levels
Principal Integrator Frequency
Encoder passband
Compand Time Constant
Decoder
Analog Signal Output Levels
Decoder Passband
Encoder Decoder (Full Codec)
Passband
Stopband
Stopband Attenuation
Passband Gain
Passband Ripple
Output Noise (Input Short Circuit)
Perfect Idle Channel Noise
(Encode Forced)
Group Delay Distrotion
(1000Hz-2600Hz)
(600Hz-2800Hz)
(500Hz-3000Hz)
Xtal/clock Frequency
500
1024
2
1
6
-30
275
3400
4
6
3
-30
0
3400
8
6
2
1
Min.
Typ.
Max.
Units
4.5
5.0
3.5
500
5.5
V
mA
A
V
V
V
V
M
k
k
k
A
dB
3.5
1.5
4.0
1.0
10
300
4
100
800
4
0
8
dB
Hz
Hz
ms
dB
Hz
Hz
KHz
dB
dB
dB
dB
dB
300
6
60
0
-3
-60
7
4
-63
3400
10
3
450
750
1.5
1500
s
s
s
kHz
1998
MX-COM, Inc.
www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054
Doc. # 204800069.005
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
All Trademarks and service marks are held by their respective companies.
CMLMICRO [ CML MICROCIRCUITS ]
