W91580 Datasheet, PDF (12/19 Pages) Winbond – 24-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE AND HOLD FUNCTIONS

W91580 SERIES
DC CHARACTERISTICS
(VDD−VSS = 2.5V, FOSC. = 3.58 MHz, TA = 25° C, All outputs unloaded)
PARAMETER
SYM.
CONDITIONS
MIN. TYP. MAX. UNIT
Operating Voltage
VDD
2.0 -
5.5
V
Operating Current
IOP Tone
- 0.3 0.5 mA
Pulse
- 0.15 0.3
Standby Current
ISB _{HKS = 0,}
No load & No key entry
-
-
15
µA
Memory Retention Current IMR _{HKS = 1, VDD = 1.0V}
-
-
0.2 µA
DTMF Output Voltage
VTO Row group, RL = 5K
130 150 170 Vrms
Pre-emphasis
- Col/Row, VDD = 2.0 to 5.5V
1
2
3
dB
DTMF Distortion
THD RL = 5 KΩ, VDD = 2.0 to 5.5V -
-30 -23
dB
DTMF Output DC Level
VTDC RL = 5 KΩ, VDD = 2.0 to 5.5V 1.0
-
3.0
V
DTMF Output Sink Current ITL VTO = 0.5V
0.2 -
-
mA
DP Output Sink Current
IPL VPO = 0.5V
0.5 -
-
mA
T/P MUTE Output Sink
Current
IML VMO = 0.5V
0.5 -
-
mA
HPM MUTE Output Sink
Current
IHPML VTO = 0.5V
0.5 -
-
mA
HPM MUTE Output Drive
Current
IHPMH VTH = 2.0V
0.5 -
-
mA
HKS I/P Pull High Resistor ^RKH
- 300
-
KΩ
Key Tone Output Current
IKTH VKTH = 2.0V
0.5 -
-
mA
IKTL VKTH = 0.5V
0.5 -
-
HFO Drive/Sink Current
IHFH VHFH = 2.0V
0.5 -
-
mA
IHFL VHFL = 0.5V
0.5 -
-
Keypad Input Drive Current IKD VI = 0V
30
-
-
µA
Keypad Input Sink Current IKS VI = 2.5V
200 400
-
µA
Keypad Resistance
-
-
5.0 KΩ
AC CHARACTERISTICS
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