MAX1441GUP/V+ Maxim Integrated Products, MAX1441GUP/V+ Datasheet - Page 5

• 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

(V
BATT
-0.1
-0.2
-0.3
-0.4
-0.5
-10
0.5
0.4
0.3
0.2
0.1
60
50
40
30
20
10
0
0
-10
100
= 14V, V
vs. INTERFERENCE FREQUENCY OFFSET
10pF RANGE,
CO_ = 8,
300kHz
EXCITATION
FREQUENCY,
500mV
INTERFERENCE
FREQUENCY
5pF RANGE,
CO_ = 0,
3.6pF INPUT CAPACITANCE
INTERFERENCE FREQUENCY OFFSET (kHz)
150
10
vs. EXCITATION BANDWIDTH
EXCITATION BANDWIDTH (kHz)
P-P
CAPACITANCE ERROR
200
CAPACITANCE ERROR
30
AA
= V
250
50
Automotive, Two-Channel Proximity and
DD
300
70
= 3.4V, T
350
90
110
400
A
130
450
= +25NC, unless otherwise noted.)
150
500
100
-10
90
80
70
60
50
40
30
20
10
Typical Operating Characteristics (continued)
60
50
40
30
20
10
0
0
0
0
(WITH IN-BAND INTERFERENCE)
10pF RANGE,
CO_ = 8,
300kHz EXCITATION FREQUENCY,
300kHz, 500mV
INTERFERENCE FREQUENCY
vs. EXCITATION BANDWIDTH
vs. ATxH REGISTER SETTING
5
EXCITATION BANDWIDTH (kHz)
20pF RANGE
5pF RANGE
DETECTION DISTANCE
CAPACITANCE ERROR
50
ATxH REGISTER SETTING
10
15
P-P
25cm x 2cm TOUCH PAD
10pF RANGE
100
20
25
150
30
200
35
-100
-0.5
-1.0
-1.5
-10
-20
-30
-40
-50
-60
-70
-80
-90
3.0
2.5
2.0
1.5
1.0
0.5
Touch Sensor
0
0
-50
vs. EXCITATION FREQUENCY SPECTRUM
0
FULL-SCALE CAPACITANCE CHANGE
EXCITATION FREQUENCY SPECTRUM (kHz)
-25
200
vs. TEMPERATURE
0
TEMPERATURE (°C)
OUTPUT POWER
10pF RANGE
400
25
20pF RANGE
50
600
5pF RANGE
75
800
100
1000
125
5