W536020K Datasheet, PDF (10/16 Pages) Winbond – VOICE/MELODY/LCD CONTROLLER (ViewTalk TM Series)

W536020K/030K/060K/090K/120K
DC Characteristics, continued
PARAMETER
SYM. CONDITIONS
MIN. TYP.
Pull-up Resistor
RCD Port RC, RD
200 300
Share Output RI, RJ, RL,
RN, RP Sink Current
IOL3 VOL= 0.4V
-300
RES Pull-up Resistor
RRES
-
50 100
PWM1/2 Source Current (8) ISPH Volume Option = 00
-20
(R_LOAD =8Ω between PWM1
And PWM2)
Volume Option = 01
Volume Option = 10
-70
-110
Volume Option = 11
-135
PWM1/2 Sink Current (8)
ISPL Volume Option = 00
20
(R_LOAD = 8Ω between PWM1
Volume Option = 01
70
And PWM2)
Volume Option = 10
110
Volume Option = 11
135
DAC output Current
LCD Supply Current
IDAC V_DD = 3V, RL = 100ohm -4
-5
ILCD No Load, All Seg. ON
-
50
COM/SEG On Resistor
V2 Pad Output Voltage
RON I_OH = ±50 µA
V_RR Depended on LCDM4
5K
0.7
V2 Pad Output Deviation (9) V_D1 No Load
V2 Pad Voltage Step
V6 Pad Output Voltage
(LCD's VLCD depended on
V_R2 LCDM4 increased 1
VLCD 1/3 Bias & no load
50
2.85 2.9
* V2 * V2
LCDM4 register) (9)
1/4 Bias & no load
3.8 3.85
* V2 * V2
V2 input voltage
VEXT LCDM3.3 = 1
Notes:
(8) PWM current deviation will be ±20%.
(9) Deviation is governed by LCD dot size. More larger LCD dot will get larger deviation..
MAX.
400
200
-6
-
10K
1.45
±5
2.95
* V2
3.9
* V2
1.5
UNIT
KΩ
uA
KΩ
mA
mA
mA
µA
Ω
V
%
mV
V
V
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