SX8657IWLTRT Semtech, SX8657IWLTRT Datasheet - Page 11

• Manufacturer Part Number: SX8657IWLTRT
• Description: 58T7570
• Manufacturer: Semtech

Specifications of SX8657IWLTRT

• Controller Type: Resistive Touch Screen
• Ic Interface Type: I2C, Serial
• Supply Voltage Range: 2.3V To 3.6V
• Operating Temperature Range: -40°C To +85°C
• No. Of Pins: 20
• Resolution (bits): 12bit

ADVANCED COMMUNICATIONS & SENSING
3
Conditions as defined in § 2.3, T
Rev 1 – 25
T
YPICAL
th
July 2011
O
4.00E-07
3.80E-07
3.60E-07
3.40E-07
3.20E-07
3.00E-07
2.80E-07
2.60E-07
2.40E-07
2.20E-07
2.00E-07
0.00E+00
80
70
60
50
40
30
20
10
5.00E-08
4.50E-08
4.00E-08
3.50E-08
3.00E-08
2.50E-08
2.00E-08
1.50E-08
1.00E-08
5.00E-09
0
PERATING
0
2.3
2.3
100
2.5
2.5
IDD_PROX vs SCANPERIOD vs SENSITIVITY
200
2.7
2.7
300
MIDD_OFF vs MVDD vs TEMP
C
IDD_OFF vs VDD vs TEMP
SCANPERIOD(m s)
HARACTERISTICS
A
400
2.9
2.9
MVDD(V)
= +25° C, VDD=VDDM=3.3V unless otherwise specified.
VDD(V)
VOFF(V)
500
3.1
3.1
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0
600
1
3.3
3.3
2
700
3
3.5
3.5
800
4
5
VERR vs GAIN vs MVDD
Resistive Touchscreen Controller with Proximity Sensing
6
0(Min)
5
7(Max)
25° C
85° C
-40° C
25° C
85° C
-40° C
7
GAIN
11
8
0.00019
0.00018
0.00017
0.00016
0.00015
0.00014
0.00013
0.00012
0.00011
1.00E-05
9.00E-06
8.00E-06
7.00E-06
6.00E-06
5.00E-06
8
7
6
5
4
3
2
1
0
9
0.0002
0.0001
2.3
10
2.3
2.3
2.4
11
2.5
12
2.5
2.5
2.6
13
14
2.7
MIDD_SQUELCH vs MVDD vs TEMP
IDD_WAIT vs VDD vs TOUCHRATE
2.7
15
2.7
2.8
IDD_HAPT vs VDD vs TEMP
2.9
VDD(V)
2.3V
3.3V
3.6V
2.9
2.9
MVDD(V)
VDD(V)
3.0
3.1
3.1
3.1
3.2
SX8657/SX8658
3.3
3.3
3.3
Haptics Enabled 4/5-Wire
3.4
3.5
3.5
3.5
3.6
www.semtech.com
10cps
80cps
2000cps
5000cps
25° C
85° C
-40° C
25° C
85° C
-40° C