W91822AN 查看數據表（PDF） - Winbond
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W91822AN Datasheet PDF : 22 Pages
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W91820N SERIES
DC CHARACTERISTICS
(VDD−VSS = 2.5V, Fosc. = 3.58 MHz, TA = 25° C, all outputs unloaded)
PARAMETER
SYM.
CONDITIONS
Operating Voltage
VDD -
Operating Current
IOP Tone
Pulse
Standby Current
ISB HKS = 0, No load &
No key entry
Memory Retention Current IMR HKS = 1, VDD = 1.0V
Tone Output Voltage
VTO Row group, RL = 5 KΩ
Pre-emphasis
Col/Row, VDD = 2.0−5.5V
DTMF Distortion
THD RL = 5 KΩ, VDD = 2.0−5.5V
DTMF Output DC Level
VTDC RL = 5 KΩ, VDD = 2.0−5.5V
DTMF Output Sink Current ITL VTO = 0.5V
DP Output Sink Current
IPL VPO = 0.5V
T/P MUTE Output Sink
Current
IML VMO = 0.5V
KT Drive/Sink Current
IKTH VKTH = 2.0V
IKTL VKTL = 0.5V
HFO Drive/Sink Current
IHFH VHFH = 2.0V
IHFL VHFL = 0.5V
H/P MUTE
IHPH VHPH = 2.0V
Drive/Sink Current
IHPL VHPL = 0.5V
Keypad Input Drive Current IKD VI = 0V
HKS Pull High Resister
RHKS
Keypad Input Sink Current IKS VI = 2.5V
Keypad Resistance
MIN.
2.0
-
-
-
TYP.
-
0.4
0.2
-
MAX.
5.5
0.6
0.4
15
UNIT
V
mA
mA
µA
-
-
1
µA
130 150 170 mVrms
1
2
3
dB
- -30 -23
dB
1.0 - 3.0
V
0.2 -
-
mA
0.5 -
-
mA
0.5 -
-
mA
0.5 -
-
mA
0.5 -
-
mA
0.5 -
-
mA
0.5 -
-
mA
0.5 -
-
mA
0.5 -
-
mA
4
-
-
µA
300 500 -
KΩ
200 400 -
µA
-
-
5.0
KΩ
- 10 -
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