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Maxim > Solutions > IP Phones
Touchscreen Controllers
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| Display |
Title / Parts |
Key Advantages |
| QV PDF |
16-Bit Mixed-Signal Microcontroller with LCD Interface
MAXQ2010
| Integrated Microcontroller with 12-Bit ADC, 16-Bit RISC Core and Ultra-Low-Power Stop Mode (370nA typ) |
| 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
| |
| QV PDF |
2.375V to 5.25V, 4-Wire Touch-Screen Controller
MXB7843
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| Key Specifications:
16-bit MAXQ RISC Microcontrollers |
| Part Number |
Peak MIPS |
Internal Program Memory |
Internal Data SRAM |
Sync/Async Serial Ports |
SPI Bus |
I2C Bus |
Timers |
PWM Outputs |
Data Pointers |
Multiply/ Accumulate |
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MAXQ2010
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10
|
64kB Flash
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2k Bytes
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1
2
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Yes
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Yes
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3x16-bit
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1
2
3
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3
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16x16
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| See All 16-bit MAXQ RISC Microcontrollers (8) |
| Key Specifications:
Touch Screen Controllers |
| Part Number |
Conv. Rate (ksps) |
Max. Conv. Time (µs) |
Interface |
Ref. (V) |
Supply Voltage (V) |
Typ. Supply Current (mA) |
Typ. Power (mW) |
EV-Kit |
Package |
Smallest Available Package (max w/pins) (mm2) |
Operating Temp. Range (°C) |
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MAX1233
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70
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5
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SPI/QSPI/Microwire
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Ext.
Int.+2.5
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3
3.3
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0.27
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0.81
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Yes
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QFN/28
TQFN/28
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26
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-40 to +85
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MAX1234
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70
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5
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SPI/QSPI/Microwire
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Ext.
Int.+2.5
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5
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0.27
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1.35
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Yes
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QFN/28
TQFN/28
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26
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-40 to +85
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MXB7843
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125
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6
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SPI/QSPI
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Ext.
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2.5
3
3.3
5
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0.27
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0.64
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Yes
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QSOP/16
TSSOP/16
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31
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-40 to +85
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MXB7846
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125
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6
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SPI/QSPI
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Ext.
Int.+2.5
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2.5
3
3.3
5
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0.27
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0.64
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Yes
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QSOP/16
TSSOP/16
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31
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-40 to +85
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| See All Touch Screen Controllers (6) |
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