MAX11041 Maxim, MAX11041 Datasheet - Page 4

• Manufacturer Part Number: MAX11041
• Description: The MAX11041 wired remote controller converts up to 30 different pushbuttons into an I²C register
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
Wired Remote Controller
Figure 1. I
4
Note 1: Recommended properties of external switch for proper detection of 30 keys or key combinations.
Note 2: See the Jack Insertion/Removal Detection section.
Note 3: C
Note 4: Key current depends on external key resistors and is calculated by V
POWER SUPPLIES
Power-Supply Voltage
Average Operational Supply
Current
Shutdown Power-Supply Current
Jack Current
Key Current
SHDN High to Part Active
DD
SDA
SCL
_______________________________________________________________________________________
= +1.6V to 3.6V, C
2
b
PARAMETER
t
C Serial-Interface Timing
HD,STA
is the bus capacitance in pF.
START CONDITION
(S)
SENSE
t
HIGH
= 10nF, R
t
SU,DAT
t
HD,DAT
I
DDBUTTON
SYMBOL
I
I
DDSHDN
DDJACK
I
DDOP
V
SENSE
DD
t
RR
= 10kΩ, T
Excluding jack/key current
Jack inserted, R
Excluding jack/key current
Flowing when jack is inserted
Flowing when keys pressed (Note 4)
Wake-up time
A
= T
t
SU,STA
MIN
t
FR
CONDITIONS
JACK
REPEAT START CONDITION
to T
MAX
= 619kΩ
t
(Sr)
, unless otherwise noted. Typical values are at T
LOW
DD
t
HD,STA
/ (30.1kΩ + R
t
RR,
t
RT
SW
).
MIN
1.6
t
SU,STO
t
FR,tFT
TYP
STOP CONDITION
90
5
8
4
(P)
MAX
t
3.6
BUF
20
1
5
START CONDITION
A
(S)
= +25°C.)
UNITS
ms
µA
µA
µA
µA
V