MAX1441GUP/V+ Maxim Integrated Products, MAX1441GUP/V+ Datasheet - Page 3

• Manufacturer Part Number: MAX1441GUP/V+
• Description: Touch Screen Converters & Controllers PROXIMITY SENSR el Proximity and Tou
• Manufacturer: Maxim Integrated Products

Specifications of MAX1441GUP/V+

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
erwise noted.) (Note 2)
Note 2: All units are production tested at T
Note 3: Measured indirectly by testing the excitation signal frequency. The excitation signal frequency is determined by the master
Maximum Excitation Frequency
CAPACITIVE OFFSET DACS
Offset Adjustment Range
Offset Adjustment Resolution
LOGIC INPUTS/OUTPUTS (P0._, RESET)
Output Logic Low
Output Logic High
Input Logic Low
Input Logic High
Leakage Current
Port 0 Interrupt Minimum Pulse
Width
HIGH-VOLTAGE OPEN-DRAIN OUTPUTS (OUT1, OUT2)
Output Logic Low
Leakage Current
MICROCONTROLLER
Flash Program Memory Size
Program Memory Clear Time
Page Write Time
Maximum Flash Erase/Write
Cycles
SRAM Size
CPU Clock Frequency
INTERNAL OSCILLATOR
Oscillator Frequency
VOLTAGE REGULATOR
Input Voltage
Maximum Dropout Voltage
Quiescent Current
Output Voltage
BATT
= 5V to 28V, V
teed by design and characterization.
oscillator frequency, which in turn determines the sample time.
PARAMETER
Automotive, Two-Channel Proximity and
AA
= V
DD
, T
A
= -40NC to +105NC. Typical values are at V
SYMBOL
f
V
V
EXMAX
n
V
t
f
V
V
DROP
V
CPM
V
CPU
BATT
V
CYC
OL2
t
I
I
I
OH
OL
W
AA
Q
IH
L
L
IL
A
= +25NC and T
Frequency Control register = 0x32 (Note 3)
6 bits
I
I
3.0V < V
3.0V < V
I/O = high impedance
3.0V < V
I
V
16 bits wide
Master oscillator
RC oscillator
I
5V < V
SINK
SOURCE
SINK
AA
OUT1
= 10mA
= 2mA
= 2mA
BATT
= V
DD
DD
DD
= 2mA
OUT2
A
< 3.6V
< 3.6V
< 3.6V
< 28V, 0 < I
= +105NC. Limits over the operating temperature range are guaran-
CONDITIONS
= 25V
AA
< 10mA
BATT
= 14V, f
EX
Touch Sensor
- 0.5
V
19.8
31.7
MIN
= 300kHz, T
2.4
3.2
DD
5
20.48
100k
TYP
0.01
1.25
500
128
0.6
3.4
63
20
2k
38
10
32
14
1
8
A
= +25NC, unless oth-
MAX
21.2
32.2
0.4
0.8
0.5
3.6
28
1
1
Cycles
UNITS
Words
Bytes
MHz
MHz
kHz
kHz
ms
ms
FA
FA
FA
pF
pF
ns
V
V
V
V
V
V
V
V
3