Winbond W91550DN Series, Manual

Page: 13 / 32

W91550DN SERIES
Publication Release Date: November 1997
- 13 - Revision A3
DC Characteristics, continued
PARAMETER SYM. CONDITIONS MIN. TYP. MAX. UNIT
DTMF Output Voltage V
TO
Row group, R
L
= 5 K
Ω
130 150 170 mVrms
Pre-emphasis
Col/Row, V
DD
= 2.0
−
5.5V
1 2 3 dB
DTMF Distortion THD
R
L
= 5 K
Ω
,
V
DD
= 2.0
−
5.5V
- -30 -23 dB
DTMF Output DC Level V
TDC
R
L
= 5 K
Ω
,
V
DD
= 2.0
−
5.5V
1.0 - 3.0 V
DTMF Output Sink Current I
TL
V
TO
= 0.5V 0.2 - - mA
DP Output Drive Current
I
PH
V
PO
= 2.0V 0.5 - - mA
DP Output Sink Current
I
PL
V
PO
= 0.5V 0.5 - - mA
Common Output Voltage V
CH
- 2.8 3.0 3.2 V
V
CL
- - 0 0.2
Common Output Current I
CH
V
COM
= 3.0V,
V
O
= V
COM
-0.4V
-20 - -
µ
A
I
CL
V
COM
= 0.0V, V
O
= 0.4V 20 - -
Segment Output Voltage V
SH
- 2.8 3.0 3.2 V
V
SL
- - 0 0.2
Segment Output Current I
SH
V
SEG
= 3.0V,
V
O
=
SEG
-0.4V
-5 - -
µ
A
I
SL
V
SEG
= 0.0V, V
O
= 0.4V 5 - -
RMS Voltage Across V
ON
- 2.0 2.12 - Vrms
a Segment V
OFF
- - 1.225 1.35
Average DC Offset Volatge V
DC
- - - 100 mV
T/P
MUTE
Output Sink
Current
I
TML
V
TPM
= 0.5V 0.5 - - mA
HPM MUTE Output Sink
Current I
HML
V
HPM
= 0.5V 0.5 - - mA
KMUTE Output Sink
Current
I
KML
V
KM
= 0.5V 0.5 - - mA
Control Input Pull-up/Down
Resistor R
CIP
S/
M
, B/M,
TEST
, ATS,
MODE, HFI
100
- -
K
Ω
HKS
Input Pull-up Resistor
R
HK
HKS
- 300 500
K
Ω
Keypad Input Drive Current I
KD
V
I
= 0V 30 - -
µ
A
Keypad Input Sink Current I
KS
V
I
= 2.5V 200 400 -
µ
A
Keypad Resistance R
K
- - - 5.0
K
Ω