MXB7843EEE+ Maxim Integrated Products, MXB7843EEE+ Datasheet - Page 6

• Manufacturer Part Number: MXB7843EEE+
• Description: IC CNTRLR TOUCH RES 16QSOP
• Manufacturer: Maxim Integrated Products
• Type: Resistiver

Specifications of MXB7843EEE+

• Touch Panel Interface: 4-Wire
• Number Of Inputs/keys: 1 TSC
• Resolution (bits): 12 b
• Data Interface: MICROWIRE™, QSPI™, Serial, SPI™
• Data Rate/sampling Rate (sps, Bps): 125k
• Voltage Reference: External
• Voltage - Supply: 2.38 V ~ 5.25 V
• Current - Supply: 650µA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Output Type: Digital
• Interface: 4-Wire Serial
• Input Type: Analog
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.375V to 5.25V, 4-Wire Touch-Screen
Controller
(V
noted.)
6
DD
250
225
200
175
150
300
250
200
150
100
8.3
8.2
8.1
8.0
7.9
7.8
7.7
50
_______________________________________________________________________________________
= 2.7V, V
2.5
2.0
2.7
DLCK = CS = V
f
C
f
SAMPLE
SAMPLE
L
= 0.1µF
2.5
3.0
3.2
= 12.5kHz
REFERENCE CURRENT
= 125kHz
vs. SUPPLY VOLTAGE
vs. SUPPLY VOLTAGE
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
REF
3.0
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
3.5
DD
= 2.5V, f
3.7
3.5
4.0
4.0
4.2
DCLK
4.5
4.5
4.7
= 2MHz, f
5.0
5.0
5.5
5.5
5.2
SAMPLE
290
285
280
275
270
265
260
255
250
120
110
100
Typical Operating Characteristics (continued)
90
80
70
60
50
8.3
8.2
8.1
8.0
7.9
7.8
7.7
-40
SHUTDOWN CURRENT vs. TEMPERATURE
-40
= 125kHz, C
REFERENCE CURRENT vs. TEMPERATURE
-40
SUPPLY CURRENT vs. TEMPERATURE
f
V
SAMPLE
V
C
f
DCLK = CS = V
DD
SAMPLE
-25 -10
-25
DD
L
-25
= 0.1µF
= 2.7V
= 2.7V
= 125kHz
-10
= 125kHz
-10
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
5
5
LOAD
DD
5
20
20
20
= 50pF, 0.1µF capacitor at REF, T
35
35
35
50
50
50
65
65
65
80
80
80
1000
250
225
200
175
150
125
100
100
10
10
1
9
8
7
6
5
4
3
2
1
0
2.0
0
REFERENCE CURRENT vs. SAMPLE RATE
0
SUPPLY CURRENT vs. SAMPLE RATE
V
V
DD
REF
2.5
= 2.7V
= 2.5V
MAXIMUM SAMPLE RATE
25
25
A
vs. SUPPLY VOLTAGE
3.0
= +25°C, unless otherwise
SUPPLY VOLTAGE (V)
SAMPLE RATE (kHz)
SAMPLE RATE (kHz)
50
50
3.5
4.0
75
75
4.5
100
100
5.0
125
5.5
125