KS8620
1 Chip CODEC for Digital Answering phone
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified : Ta = 0
o
C to 70
o
C , Vcc = 5V +5%, V
BB
= -5V +5%, GND
A
= 0V )
Characteristic
Power Dissipation
Power down Current
I
CC ( down )
I
BB ( down )
Active Current
I
CC ( A )
I
BB ( A )
Digital Interface
Input Low Voltage
Input High Voltage
Input Low Current
Input High Current
V
IL
V
IH
I
IL
I
IH
GND
A
< V
IN
< V
IL
, all digital input
V
IH
< V
IN
< Vcc
D
X
, I
L
= 3.2 mA
Output Low Voltage
V
OL
SIG
R
, I
L
= 1.0 mA
/TS
X
, I
L
= 3.2 mA , open drain
Output High Voltage
V
OH
D
X
, I
H
= -3.2 mA
SIG
R
, I
H
= -1.0 mA
Output Current in High
impedance state ( Tri - state )
I
OH (HZ)
D
X
, GND
A
< V
O
< Vcc
2.4
2.4
-15
15
uA
2.2
-15
-15
15
15
0.4
0.4
0.4
V
0.6
V
V
uA
uA
V
No Load
No Load
No Load
No Load
0.5
0.05
6.0
6.0
3.0
1.0
10
10
mA
mA
System
Test Conditions
Min
Typ
Max
Unit
Analog Interface with Receiver Filter
Output Resistance
Load Resistance
Load Capacitance
Output DC offset voltage
R
O
R
L
C
L
V
OO(RX)
-200
pin VF
R
O
VF
R
O = + / - 2.5V
600
500
200
1
3
Ω
Ω
pF
mV
Analog Interface with Transmit input Amp
Input Leakage Current
Input Resistance
Output Resistance
Load Resistance
Load Capacitance
Output Dynamic Range
Voltage Gain
Unity Gain bandwidth
Offset Voltage
Common - mode Voltage
Common mode rejection ratio
Power supply rejection ratio
I
LKG
R
I
R
O
R
L
C
L
V
OD(TX)
G
V
BW
V
IO(TX)
V
CM(TX)
CMRR
PSRR
CMRR
X
A > 60dB
DC test
DC test
-2.5V< V<+2.5V , VF
X
I+ or VF
X
I-
-2.5V< V<+2.5V , VF
X
I+ or VF
X
I-
closed loop , unity gain
GSx
GSx
GSx , R
L
< 10KΩ
VF
X
I+ to GSx
+/-2.8
5,000
1
-20
-2.5
55
55
2
20
2.5
10
50
-200
10
1
3
200
nA
MΩ
Ω
KΩ
pF
V
V/V
MHz
mV
V
dB
dB
SAMSUNG [ SAMSUNG SEMICONDUCTOR ]
