fma1125dc Fujitsu Microelectronics, Inc., fma1125dc Datasheet - Page 2

• Manufacturer Part Number: fma1125dc
• Description: Touch Sensor Controller
• Manufacturer: Fujitsu Microelectronics, Inc.

Fujitsu Microelectronics America, Inc.
Touch Sensor Controller
Table of Contents
Ordering Information.............................................................................................................................................................1
Package Pinouts....................................................................................................................................................................1
Electrical Characteristics ........................................................................................................................................................2
Operation Principles ..............................................................................................................................................................3
Functional Characteristics ......................................................................................................................................................5
Communication Specifications for I
Application Information.........................................................................................................................................................8
Power Connection................................................................................................................................................................ 18
Power Sequence ................................................................................................................................................................... 20
Tuning System..................................................................................................................................................................... 21
Hardware ........................................................................................................................................................................... 21
Software............................................................................................................................................................................. 22
Package Dimensions............................................................................................................................................................. 23
0
Touch Detection ..........................................................................................................................................................3
AIC™ (Automatic Impedance Calibration)................................................................................................................3
APIS™ Touch Output .................................................................................................................................................3
24-pin Package (24QFN) ............................................................................................................................................8
FMA1125DC 24QFN Typical Application Circuit: Internal LDO.............................................................................9
FMA1125DC 24QFN Typical Application Circuit: External LDO Case 1 ..............................................................10
FMA1125DC 24QFN Typical Application Circuit: External LDO Case 2 ..............................................................11
16-pin Package (16QFN) ..........................................................................................................................................12
FMA1125DC 16QFN Typical Application Circuit: Internal LDO...........................................................................13
24-pin Package (24SSOP).........................................................................................................................................14
FMA1125DC 24SSOP / 24SOP Typical Application Circuit: Internal LDO...........................................................15
16-pin Package (16SOP)...........................................................................................................................................16
FMA1125DC 16SOP Typical Application Circuit: Internal LDO ...........................................................................17
Power Connection Type is Case B or Case D...........................................................................................................20
Power Connection Type is Case A, Case C, or Case E.............................................................................................20
Fujitsu Microelectronics America, Inc.
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C ......................................................................................................................................6
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