PCN/PCS Delta Modulation CODEC
10
MX609
6.1.3 Operating Characteristics
For the following conditions unless otherwise specified:
= 5.0V at T = 25°C, Audio Test Frequency = 820Hz Xtal/Clock f = 1.024MHz
V
DD
AMB
0
Sample Clock Rate = 32kbps, Audio level 0dB ref (0 dBm0) = 489mV
.
RMS
Note
s
Min.
Typ.
Max.
Units
Static Values
Supply Voltage
1
4.5
5.0
3.5
500
5.5
V
mA
ꢄA
V
Supply Current (Enabled)
Supply Current (Powersave)
Input logic ‘1’
3.5
4.0
Input Logic ‘0’
1.5
1.0
V
Output Logic ‘1’
V
Output Logic ‘0’
V
Digital input Impedance
Logic I/O pins
10
Mꢂ
kꢂ
kꢂ
kꢂ
ꢂ
Logic Input pins, Pullup Resistor
Digital output impedance
Analog Input Impedance
Analog Output Impedance
Three State Output Leakage
Insertion Loss
2
6
300
4
100
800
ꢃ4
ꢄA
dB
2
1
0
Dynamic Values
Encoder
Analog signal Input levels
Principal Integrator Frequency
Encoder passband
Compand Time Constant
Decoder
6
-30
-30
8
8
dB
Hz
Hz
ms
275
3400
4
Analog Signal Output Levels
Decoder Passband
Encoder Decoder (Full Codec)
Passband
6
3
0
dB
Hz
3400
300
6
3400
10
Hz
KHz
dB
Stopband
Stopband Attenuation
Passband Gain
60
0
dB
Passband Ripple
-3
3
dB
Output Noise (Input Short Circuit)
Perfect Idle Channel Noise
(Encode Forced)
-60
-63
dB
7
4
dB
Group Delay Distrotion
(1000Hz-2600Hz)
450
750
1.5
ꢄs
ꢄs
(600Hz-2800Hz)
(500Hz-3000Hz)
ꢄs
Xtal/clock Frequency
500
1024
1500
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 ]
