參數(shù)資料
型號(hào)： KS8620N
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
元件分類： Codec
英文描述： 1 Chip CODEC for Digital Answering phone
中文描述： 1解碼器芯片數(shù)字接聽電話
文件頁數(shù)： 6/9頁
文件大?。?/td> 73K
代理商： KS8620N
KS8620
1 Chip CODEC for Digital Answering phone
TRANSMISSION CHARACTERISTICS
(Unless otherwise specified : Ta = 0
o
C to 70
o
C, Vcc = 5V
+
5%, V
BB
= -5V
+
5%, GND
A
= 0V, f = 1.02KHz
Vin = 0dBm0, transmit input amplifier connected for unity-gain, non-inverting )
Characteristic
System
Test Conditions
Min
Typ
Max
Unit
Amplitude Response
Receive Gain, Absolute
Receive Gain, Relative
to Gv(
RRX
)
Absolute Receive Gain
Variations with temperature
Receive Gain
Variations with level
Receive output drive level
Absolute level
Max overload level
Transmit gain, absolute
Transmit gain, relative to
G
V
(
ATX
)
G
V(ARX)
G
V(RRX)
G
V(ARX)
/
T
G
V(RXL)
V
O(RX)
V
AL
V
OL(MAX)
G
V(ATX)
G
V(RTX)
Ta=25
o
C,V
CC
= 5V, V
BB
= -5V
Input = Digital code sequence for
0dBm0 signal at 1020Hz
f = 0Hz to 3000Hz
f = 3300Hz
f = 3400Hz
f = 4000Hz
Ta = 0
o
C to 70
o
C
Sinusoidal test method; reference
input PCM code correspond to an
ideally encoded -10dBm0 signal
PCM level = -40dBm0 to +3dBm0
PCM level = -50dBm0 to -40dBm0
R
L
= 600
Norminal 0dBm0 level is same as
4 dBm ( 600
)
Max overload level ( 3.17dBm0)
Ta = 25
o
C,Vcc =5V, V
BB
= -5V
Input at GSx = 0dBm0 at 1020Hz
f = 16 Hz
f = 50 Hz
f = 60 Hz
f = 200 Hz
f = 300 Hz - 3000Hz
f = 3300 Hz
f = 3400 Hz
f = 4000 Hz
f = 4600 Hz and above,
mesaure response from 0 Hz to 4 KHz
-1.5
-0.6
-0.55
-1.5
-0.4
-0.8
-2.5
-1.5
-2
-0.5
-0.55
-1.5
1.2276
2.501
1.5
0.5
0.5
1.5
+ 0.1
0.4
0.8
2.5
1.5
-35
-25
-21
-0.5
0.5
0.5
-1.5
-10
-25
dB
dB
dB
dB
V
Vrms
V
PK
dB
dB
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