MAX11041ETC+ Maxim Integrated Products, MAX11041ETC+ Datasheet
MAX11041ETC+
Specifications of MAX11041ETC+
Related parts for MAX11041ETC+
MAX11041ETC+ Summary of contents
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... Current of Only 5µA (typ) o Works with Standard 2.5mm or 3.5mm 4-Pin Headphone Jacks o Supports Hold Function to Lockout Keys o 100kHz/400kHz I o Single 1.6V to 3.6V Supply Voltage Range o ±15kV ESD Protection (IEC 61000-4-2) PART MAX11041ETC Exposed pad. Applications + Denotes a lead(Pb)-free/RoHS-compliant package. TOP VIEW Features 2 C Interface ...
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Wired Remote Controller ABSOLUTE MAXIMUM RATINGS V to GND ...........................................................-0.3V to +4.0V DD INT to GND .................................................-0. SCL, SDA, A1, A0, SHDN to GND.........................-0.3V to +4.0V FORCE, SENSE to GND.........................................................±6V Current into Any Pin..........................................................±50mA Maximum ESD per IEC ...
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ELECTRICAL CHARACTERISTICS (continued +1.6V to 3.6V 10nF SENSE PARAMETER SYMBOL DIGITAL OUTPUTS (SDA, INT) Output High Voltage (INT) Output Low Voltage (INT) V Output High Leakage Current Output Low Voltage (SDA ...
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Wired Remote Controller ELECTRICAL CHARACTERISTICS (continued +1.6V to 3.6V 10nF SENSE PARAMETER SYMBOL POWER SUPPLIES Power-Supply Voltage Average Operational Supply Current Shutdown Power-Supply Current I DDSHDN Jack Current I DDJACK Key Current I DDBUTTON ...
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A DEBOUNCE SCOPE SHOT (FALLING) MAX11041 TOC01 V SENSE µP READS FIFO DEBOUNCED KEY INT ADDED TO FIFO 10ms/div V SUPPLY CURRENT vs. VOLTAGE DD 7.0 NO JACK INSERTED 6 +85°C A ...
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Wired Remote Controller PIN NAME 1 GND Ground Voltage Sense Input. Connect SENSE to FORCE through an external lowpass filter composed of R and C 2 SENSE SENSE SENSE. Power-Supply Input. Connect both GND. 4 ...
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TO AUDIO CIRCUIT FORCE MAX11041 R SENSE SENSE C SENSE 10nF Figure 2. Recommended FORCE and SENSE Configuration Table 1. Control Register BITS READ/WRITE POWER-UP STATE C7 R C4–C0 — Table 2. FIFO Data Format FIFO ...
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Wired Remote Controller Table 3. Chip ID Data Format CHIP ID I7 MAX11041 0 Keypress Detection and Debounce At power-up, the MAX11041 begins to monitor the SENSE input for keypresses. When the MAX11041 detects a keypress at SENSE, it attempts ...
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WRITE FORMAT ADDRESS START R/W ACK BYTE BITS READ FORMAT ADDRESS R/W ACK START BYTE BITS Figure 5. Read/Write Formats Reading the FIFO While the Key ...
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Wired Remote Controller S SDA 1 0 SCL 1 2 Figure 6. Slave Address and R/W Bit Figure 7. START and STOP Conditions S SDA SCL Figure 8. Acknowledge Bits 4) The MAX11041 sends the latest keypress type (K7–K0) stored ...
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Table 4. Required Resistor Set for the MAX11041 STANDARD 1% KEY RESISTOR VALUE (Ω 1470 2 2550 3 3740 4 4990 5 6340 6 7680 7 9310 8 11000 9 13000 10 15000 11 17400 12 20000 ...
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Wired Remote Controller One data bit is transferred during each SCL clock cycle. The data on SDA must remain stable during the high period of the SCL clock pulse. Changes in SDA while SCL is high and stable are considered ...
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Simultaneous Keypress Detection Certain applications require the detection of simultaneous keypresses, such as <SHIFT+KEY> and <FUNCTION+KEY> combinations. This is done in software. For instance, the µP detects the SHIFT key is being pressed. When the µP detects an additional key- ...
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Wired Remote Controller V SENSE INT 1 SHDN TRANSITION FROM LOW TO HIGH. READ WRITE POINTER POINTER 0xFF 0x00 0xFF 0x00 0xFF 0x00 0xFF 0x00 0xFF 0x00 0xFF 0x00 0x00 0xFF 0xFF 0x00 JACK INSERTION DETECTED AND ...
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V DD 8-WORD FIFO 8-BIT DURATION KEY SCL INTERFACE SDA CONTROL LOGIC INT SHDN GND ___________________________________________________________________________________ Wired Remote Controller DURATION TIMER 8-BIT DEBOUNCE Functional Diagram MAX11041 FORCE KEY ±15kV ESD DETECTOR SENSE 15 ...
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Wired Remote Controller BUS µP 0.01µ SDA SCL FIFO DEBOUNCE OUTPUT CONTROL SHDN LOGIC INTERRUPT INT Chip Information PROCESS: BiCMOS 16 ______________________________________________________________________________________ 3.3V DAC DAC MAX9850 3. MAX11041 FORCE SENSE ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 17 © 2010 Maxim Integrated Products ...