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Maxim > Solutions > IP Phones
Touchscreen Controllers
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| Display |
Title / Parts |
Key Advantages |
| QV PDF |
±15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller
MAX1233, MAX1234
| |
| QV PDF |
2.375V to 5.25V, 4-Wire Touch-Screen Controller with Internal Reference and Temperature Sensor
MXB7846
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| QV PDF |
2.375V to 5.25V, 4-Wire Touch-Screen Controller
MXB7843
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| Key Specifications:
Precision ADCs (< 5Msps) |
| Part Number |
ADC Resolution (Bits) |
Input Channels |
Conv. Rate (ksps) |
Max. Conv. Time (µs) |
Data Bus (Bits) |
Ref. (V) |
Diff. In |
Supply Voltage (V) |
Typ. Supply Current (mA) |
Typ. Power (mW) |
Low Power Mode |
Standby Mode |
EV-Kit |
Package |
Smallest Available Package (max w/pins) (mm2) |
Operating Temp. Range (°C) |
|
MAX1233
|
12
|
6
|
70
|
5
|
Serial
|
Ext
Int +2.5
|
No
|
3
3.3
|
0.27
|
0.81
|
Yes
|
Yes
|
Yes
|
QFN/28
THIN QFN/28
THIN QFN/32
|
-
|
-40 to +85
|
|
MAX1234
|
12
|
6
|
70
|
5
|
Serial
|
Ext
Int +2.5
|
No
|
5
|
0.27
|
1.35
|
Yes
|
Yes
|
Yes
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QFN/28
THIN QFN/28
THIN QFN/32
|
-
|
-40 to +85
|
|
MXB7843
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12
|
6
|
125
|
6
|
Serial
|
Ext
|
No
|
2.5
3
3.3
5
|
0.27
|
0.64
|
Yes
|
Yes
|
Yes
|
QSOP/16
TSSOP/16
|
31
|
-40 to +85
|
|
MXB7846
|
12
|
6
|
125
|
6
|
Serial
|
Ext
Int +2.5
|
No
|
2.5
3
3.3
5
|
0.27
|
0.64
|
Yes
|
Yes
|
Yes
|
QSOP/16
TSSOP/16
|
31
|
-40 to +85
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| See All Precision ADCs (< 5Msps) (314) |
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