CVSD Codec
CMX639
1.7.1.3 Operating Characteristics
For the following conditions unless otherwise specified:
Xtal Frequency = 1.024 MHz, Sample Clock Rate = 32 kbps, Audio Test Frequency = 820 Hz,
V
DD
= 3.0V to 5.5V, Tamb = - 40°C to +85°C, Audio Level 0dB ref (0dBm0) = 489mV rms.
Static Values
I
DD
(powersaved)
I
DD
(enabled) @ V
DD
= 3.0V
I
DD
(enabled) @ V
DD
= 5.0V
Input Logic ‘1’
Input Logic ‘0’
Output Logic ‘1’
Output Logic ‘0’
Digital Input Impedance
Logic I/O pins
Logic Input pins, Pull-up Resistor
Digital Output Impedance
Analog Input Impedance
Analog Output Impedance
Three State Output Leakage
Insertion Loss
Notes
6
6
6
Min.
Typ.
600
1.90
2.75
Max.
Units
µ
A
mA
mA
V
V
V
V
M
Ω
k
Ω
k
Ω
k
Ω
Ω
µ
A
dB
70% V
DD
30% V
DD
80% V
DD
20% V
DD
1.0
300
4.0
2
100
800
3
±
4
0
1
©
2000
Consumer Microcircuits Limited
9
CMX639/2
CMLMICRO [ CML MICROCIRCUITS ]
