PD5019 Datasheet, PDF (3/14 Pages) List of Unclassifed Manufacturers – Telephone Ring Generator Controller

PIN DESCRIPTION
Pin Symbol
1 INHIBIT
2 FS
3 F1
Function
Remote On/Off and Reset Control.
(Referenced to GND terminal)
PWM output frequency selection input.
Ringing frequency selection input.
4 F0
Ringing frequency selection input.
5 OHD
6 XTAL1
7 XTAL2
8 GND
Off-Hook/Overload reporting output.
Oscillator’s high gain amplifier input.
Crystal or ceramic resonator or an
external clock source may be applied.
Oscillator’s amplifier output. Required
when a crystal or a ceramic resonator is
used.
This terminal should be left unconnected
when using an external clock source.
Ground terminal.
PD5019
TELEPHONE RING GENERATOR CONTROLLER
Pin Symbol
9 SYNC
10 BRC
11 PAD_Out
12 CAD_In
13 CL
14 WDO
Function
Ringing signal zero crossing induction
output. (2-2.5ms before crossing)
Bridge synchronization control output.
A/D reference control signal.
Input signal from the external A/D
comparator.
(Optional line regulation circuit)
Current Limit pulse counter input.
Watchdog Output.
15 PWM_Out
Main PWM output signal.
16 VCC
5V DC Supply voltage.
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Units
Vcc
DC Supply Voltage (Referenced to GND) -0.5 to 6
V
CAD_In, FS, INHIBIT, F0, F1, CL,
DC Input Voltage (Referenced to GND) -0.5 to Vcc+0.5
V
XTAL1, XTAL2.
Tstg
Storage Temperature
-40 to 125
°C
Note: These are stress ratings. Exposure of the device to any of these conditions may adversely effect long-term reliability. Proper operation
other than those specified in the ELECTRICAL SPECIFICATIONS is not implied.
ELECTRICAL SPECIFICATIONS
Unless otherwise stated, these specifications apply for: Vcc = +5V, 0°C ≤ TA ≤ +70°C.
DC CHARACTERISTICS
Pin Symbol
Parameter
Min
Typ
Max
Units
Vcc
Supply Voltage
4.75
5.25
V
Input Current @ Continuous
35
mA
@ Surge of 200nsec every 3µsec
110
mA
GND
Output Current @ Continuous
50
mA
@ Surge of 200nsec every 3µsec
125
mA
INHIBIT
Schmitt Trigger Input
Input Voltage Level VT+
2.65
3.35
V
VT-
1.35
1.95
V
Internal Pull Down
100
KΩ
F0 , F1
CMOS 5V Input Buffer
Input Voltage High Level
Input Voltage Low Level
0.7•Vcc
5
Vcc+0.5
V
-0.5
0
0.3•Vcc
V
Internal Pull Up
100
KΩ
FS
Schmitt Trigger Input
Input Voltage Level VT+
2.65
3.35
V
VT-
1.35
1.95
V
Internal Pull Down
100
KΩ
BRC
Output Source Current @ 4.5v
5
10
mA
Output Sink Current @ 0.5v
5
10
mA
SYNC
Output Source Current @ 4.5v
1.5
2
mA
Output Sink Current @ 0.5v
5
10
mA
OHD
Output Source Current @ 4.5v
1.5
2
mA
Output Sink Current @ 0.5v
5
10
mA
PWM_Out
Output High Level
@ Iout=20 mA
Vcc-0.5
V
Output Low Level
@ Iout=-20 mA
0.5
V
Output Source/Sink Current
@ Continuous
20
mA
@ Surge of 200nsec every 3µsec
48
mA
PD5019
US Patent No.
5,828,558