MSM7617 Evaluation Board
¡ Semiconductor
2
SPECIFICATIONS
CODEC used
Channels
Analog input
Maximum input level
Input impedance
Analog output
Maximum output level
Output load resistance
Digital input
Digital output
V
IH
V
IL
V
OH
V
OL
Power supply voltage
Current consumption
Operating temperature
Board size
Echo canceller characteristics
Echo attenuation
Cancelable delay time
MSM7533VGS-VK
2 channels (can be set by I/O mode as below)
2-channel parallel mode
2-channel serial mode
1-channel cross-connected mode (FTF mode)
3.4 Vp-p
600
W
3.4 Vp-p
600
W
(min)
AOUT of PCM CODEC is output directly
Note: A 600
W
resistor is mounted on the board, but the surface trace of
the back side bypasses it. By cutting the pattern, the 600
W
can be
inserted in series.
2.4 V to V
DD
0 V to 0.8V
4.2 V to V
DD
0 V to 0.4 V
4.75 V to 5.25 V
200 mA (max)
–30 to +85°C
21.1 (W)
¥
3.5 (H)
¥
13.9 (D) (cm)
30 dB or higher
Input signal
ERL
Delay
Mode settings
59 ms (Calculated Value)
This value is measurable.
For possible 30 dB cancellation, deduct 5 ms from the value.
: –10 dBm0 white noise
: 6 dB
: 50 ms
: ATT, NLP, GC all off