W91550DN datasheet(13/32 Pages) WINBOND

13 / 32 page

W91550DN SERIES

Publication Release Date: November 1997

- 13 -

Revision A3

DC Characteristics, continued

PARAMETER

SYM.

CONDITIONS

MIN.

TYP.

MAX.

UNIT

DTMF Output Voltage

VTO

Row group, RL = 5 K

Ω

130

150

170

mVrms

Pre-emphasis

Col/Row, VDD = 2.0

−5.5V

DTMF Distortion

THD

RL = 5 K

Ω,

VDD = 2.0

−5.5V

-30

-23

DTMF Output DC Level

VTDC

RL = 5 K

Ω,

VDD = 2.0

−5.5V

1.0

3.0

DTMF Output Sink Current

ITL

VTO = 0.5V

0.2

Output Drive Current

IPH

VPO = 2.0V

0.5

Output Sink Current

IPL

VPO = 0.5V

0.5

Common Output Voltage

VCH

2.8

3.0

3.2

VCL

0.2

Common Output Current

ICH

VCOM = 3.0V,

VO = VCOM -0.4V

-20

µA

ICL

VCOM = 0.0V, VO = 0.4V

Segment Output Voltage

VSH

2.8

3.0

3.2

VSL

0.2

Segment Output Current

ISH

VSEG = 3.0V,

VO = SEG -0.4V

-5

µA

ISL

VSEG = 0.0V, VO = 0.4V

RMS Voltage Across

VON

2.0

2.12

Vrms

a Segment

VOFF

1.225

1.35

Average DC Offset Volatge

VDC

100

T/P MUTE Output Sink

Current

ITML

VTPM = 0.5V

0.5

HPM MUTE Output Sink

Current

IHML

VHPM = 0.5V

0.5

KMUTE

Output Sink

Current

IKML

VKM = 0.5V

0.5

Control Input Pull-up/Down

Resistor

RCIP

S/ M , B/M, TEST , ATS,

MODE, HFI

100

Ω

HKS

Input Pull-up Resistor

RHK

HKS

300

500

Ω

Keypad Input Drive Current

IKD

VI = 0V

µA

Keypad Input Sink Current

IKS

VI = 2.5V

200

400

µA

Keypad Resistance

5.0

Ω

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