KS8620 Samsung Semiconductor, Inc., KS8620 Datasheet - Page 9

• Manufacturer Part Number: KS8620
• Description: 1 Chip Codec For Digital Answering Phone
• Manufacturer: Samsung Semiconductor, Inc.

KS8620
Single Frequency Disotrtion,
Transmit
Single Frequency Distortion,
Receive
Intermodulation Distortion
TRANSMISSION CHARACTERISTICS
Note 1. CT
ENCODING FORMAT AT D
Transmit to Receive
Crosstalk, 0dBm0
Transmit level
Reveive to Transmit
Crosstalk, 0dBm0
Receive level
Crosstalk
Characteristic
(RX-TX)
V
V
V
is measured with a -40dBm0 activating signal applied at VF
IN
IN
IN
( at GS
( at GSx )
( at GSx ) = 0V
X
THD
THD
THD
CT
CT
) = + Full Scale
System
(TX-RX)
(RX-TX)
= - Full Scale
SF(TX)
SF(RX)
IMD
X
1 Chip CODEC for Digital Answering phone
OUTPUT
Loop around measurement,
VF
two frequencies in the range
300Hz - 3400Hz
f = 300Hz - 3400Hz
D
f = 300Hz - 3400Hz,
VFXI = 0V
X
R
I+ = -4dBm0 to -21dBm0,
= Steady PCM code
Test Conditions
( Continued )
-Law
1 0 0 0 0 0 0 0
1 1 1 1 1 1 1 1
0 1 1 1 1 1 1 1
0 0 0 0 0 0 0 0
PCM : KS8620
X
Min
I+
Typ
-90
-90
(note1)
-75
-70
Max
-41
-35
-41
Unit
-dB
-dB
dB
dB
-dB