W742S819 Datasheet, PDF (8/11 Pages) Winbond – 4-BIT TELEPHONE CONTROLLER

W742S819
DC CHARACTERISTICS: VDD-VSS=3.0V, continued
PARAMETER
DTMF Distortion
DTMF Output Voltage
Pre-emphasis
DTMF Output Sink Current
Pull-up Resistor
Pull-up Resistor
Pull-up Resistor
Input Leakage
Current
OP- ^{Input Resistance}
AMPs _{Input Offset Voltage}
Power Supply
Rejection Ratio
OP1
Maximum
Capacitive Load
Minimum Resistive
Load
OP2
OP3
Maximum
Capacitive Load
Minimum Resistive
Load
SYM.
THD
VTO
ITL
RC
RA
RB
CONDITIONS
RL=5KΩ, VDD=2.5 to
3.8V
Low group, RL=5KΩ
Col/Row
VTO=0.5V
Port RC
Port RA
Port RB
I_IN
Vss≤V_IN ≤V_DD
R_IN
V_OS
PSRR
1KHz 0.1V_PP ripple on
V_DD
C_L
R_L
C_L
R_L
MIN. TYP. MAX. UNIT
-
-30 -23
dB
130 150 170 mVrms
1
2
3
dB
0.2
-
-
mA
100 350 1000 KΩ
100 350 1000 KΩ
100 350 1000 KΩ
-
-
1
μA
10
-
-
MΩ
-
-
25
mV
40
-
-
dB
-
-
30
pF
500
-
-
KΩ
-
-
20
pF
1000 -
-
KΩ
-8-