Winbond W91570DN Series, Instruction Manual

Page: 18 / 45

W91570DN SERIES
- 18 -
DC Characteristics, continued
PARAMETER SYM. CONDITIONS MIN. TYP. MAX. UNIT
DTMF Distortion THD R
L
= 10 K
Ω
V
DD
= 2.0 to 5.5V
- -30 -23 dB
DTMF Output DC Level V
TDC
V
DD
= 2.0 to 5.5V 1.0 - 3.0 V
DTMF Output Sink Current I
TL
V
TO
= 0.5V 0.2 - - mA
DP Output Sink Current
I
PL
V
PO
= 0.5V 0.5 - - mA
Common Output Voltage V
CH
- 4.2 4.5 4.8 V
V
CL
- - 0 0.3
Common Output Current I
CH
- -20 - -
µ
A
I
CL
- 20 - -
Segment Output Voltage V
SH
- 4.2 4.5 4.8 V
V
SL
- 0 0.3
Segment Output Current I
SH
- -5 - -
µ
A
I
SL
- 5 - -
RMS Voltage Across a V
ON
- 2.34 2.6 - Vrms
Segment V
OFF
- - 1.5 1.65
Average DC Offset Voltage V
DC
- - - 100 mV
HFI High Voltage
V
HFIH
- 0.8 V
DD
- V
DD
V
HFI Low Voltage
V
HFIL
- - - 0.2 V
DD
V
T/P MUTE
Output Sink
Current
I
TML
V
TMO
= 0.5V 0.5 - - mA
H/P MUTE Output Drive
Current I
HMH
V
HMO
= 2.5V 0.5 - - mA
H/P MUTE Output Sink
Current I
HML
V
HMO
= 0.5V 0.5 - - mA
K MUTE
Output Sink
Current
I
KML
V
TMO
= 0.5V 0.5 - - mA
Keypad Input Drive Current I
KD
V
I
= 0V 4 - 80
µ
A
Keypad Input Sink Current I
KS
VI = 2.5V 200 - 400
µ
A
Keypad Resistance R
K
- - - 5
K
Ω
Control Input Pull Up/Down
Resistor R
CIP
B/M, HFI
100 - -
K
Ω
HKS Input Pull High
Resistor
R
HK
- - 500 2000
K
Ω
AC CHARACTERISTICS
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