NCP2704FCCT1G ON Semiconductor, NCP2704FCCT1G Datasheet
NCP2704FCCT1G
Specifications of NCP2704FCCT1G
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NCP2704FCCT1G Summary of contents
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NCP2704 Audio Management Integrated Circuit with 2.8 W Class D and LongPlay True Ground Headphone Amplifier The NCP2704 is a cost effective audio subsystem designed for portable applications such as cellular phones and portable media player. It has been designed ...
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IN2A INPUT1 PROCESSING IN2B IN1A INPUT2 PRO- CESSING MIXER / MUX IN1B I2CEN SCL INTERFACE SDA GND Figure 1. Simplified Block Diagram PVDD GND CLASS D LOUDSPEAKER ...
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PIN FUNCTION DESCRIPTION Pin Pin Name Type B2 IN1A Input First audio input paired with IN1B. This pin is configured for single ended or differential types of input, pending on the I A2 IN1B Input First audio input. ...
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MAXIMUM RATINGS Rating PV : Power Supply Voltage (Note 1) DD HSV (Note 1) DD Other Pins (Note 1) Human Body Model (HBM) ESD Rating are (Note 2) Machine Model (MM) ESD Rating are (Note 2) CSP 2 ...
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ELECTRICAL CHARACTERISTICS between 2 5.5 V (Unless otherwise noted). Typical values are referenced to T Symbol Parameter GENERAL PV Supply voltage range DD HSV Supply voltage range DD I Shutdown current SD I Quiescent current Q R Input ...
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ELECTRICAL CHARACTERISTICS between 2 5.5 V (Unless otherwise noted). Typical values are referenced to T Symbol Parameter LOUDSPEAKER |V | Absolute Offset Voltage OS R Static drain−source on−state resistance DS(ON) for both P and NMOS (Note x) Z ...
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ELECTRICAL CHARACTERISTICS between 2 5.5 V (Unless otherwise noted). Typical values are referenced to T Symbol Parameter HEADSET V Output offset voltage OS T Turning On time WU V Max Output Swing (peak value) (output LP in phase) ...
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ELECTRICAL CHARACTERISTICS between 2 5.5 V (Unless otherwise noted). Typical values are referenced to T Symbol Parameter INTERFACE (Note 8) V Low input voltage level IL V High input voltage level IH V Low level ...
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TYPICAL OPERATING CHARACTERISTICS Figure 2. THD load out Figure 4. THD+N vs Frequency at P Loudspeaker Figure 3. Efficiency vs P Figure 5. THD+N vs Frequency 3.6 V VDD Figure 6. PSRR ...
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TYPICAL OPERATING CHARACTERISTICS Figure 7. THD Load in Phase out Figure 9. THD Load Out of Phase out Figure 11. THD+N vs Frequency Load in Phase, Left Channel ...
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TYPICAL OPERATING CHARACTERISTICS Figure 13. PSRR vs Frequency Figure 15. SNR vs Frequency at P out Figure 17. Power Dissipation vs P Headphone Figure 14. Crosstalk vs Frequency = 20 mW Figure 16. Power Dissipation vs P with 32 W ...
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DETAILED DESCRIPTIONS COMPATIBLE INTERFACE Start and Stop Conditions Communication is initiated by HIGH to LOW transition on SDA line while SCL is still high. This signal Figure 18. Start and Stop Bits Configuration on the I Data ...
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Data transfer on the I C bus Figure 20. Normal Transmission of Data on the I Data communication begins with a Start. The first transmitted Byte is the Slave address (7 bits, MSB first) followed by the Read/Write bit. ...
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Repeated Start (Sr): First case: SDA transitions normally from during SCL low state. However, master generates a Start during Second case: SDA is already at High state (for example after a /ACK. Then, master generates a Start ...
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REGISTER MAP 12 different registers can be addressed through the “Register Address” byte. Register Number Function 0 Input Control 1 Speaker Volume Control 2 Left Volume Control 3 Right Volume Control 4 Output control 5 LDO Control 6 Status 7 ...
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When a single−ended configuration is required, for example a stereo signal, the first internal stage is described on Figure 25: Figure 25. NCP2704 Input Stage for Single−Ended Type of Input When a differential audio signal is used, the internal first ...
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RIGHT, LEFT VOLUME CONTROL As described in the register “REGISTER MAP” section, NCP2704 allows separated volume control for Headset Right, Headset Left. D7* D6 *D7 and D6 bits can be either NCP2704 will only process ...
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described above, an additional gain setting is ...
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...
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OUTPUT CONTROL The NCP2704 embeds one class D loudspeaker amplifier and a true ground headset stereo amplifier (Left and Right). The “INPUT CONTROL” register has defined the Input 1 and 2 configuration (single−ended or differential). The last stage of the ...
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OUTPUT CONFIGURATION OUTPUT MODE 0 Conf ...
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OUTPUT MODE 2 Conf ...
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AGC CONTROL The AGC function is to protect the speaker from damage due to exceeded output power. The function limits the output power without deteriorating the audio quality. AGC CONTROL REGISTER (ACNT) This register allows controlling the AGC setup. D7 ...
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AGC CONFIGURATION REGISTER (ACONFA−ACONFR−ACONFH) This register controls the AGC configuration. D7 H(5) A(5−0): Define the attack time. A(5−0) 00000 00001 00010 00011 −−− 11111 Attack time is defined as the ...
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EMI CONTROL The EMI control register sets the rising and falling edges of the Class D speaker outputs. This register gives the possibility to the user to have the best efficiency by choosing the lowest value, or reduce the EMI ...
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This function helps to increase the output dynamic when external damping resistors are used. STATUS REGISTER This register gives the status of the fault which can occur in the NCP2704 ...
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... Route audio signal (input pins and HSL / HSR) far from HSVDD, CPP, CPM, PVM, PVDD, LPP, and LPN to avoid any perturbation due to the switching. ORDERING INFORMATION Device NCP2704FCCT1G Figure 27. PCB Layout Example Package CSP − 20 − 2.5 x 2.0 mm (Pb − Free) http://onsemi ...
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... PACKAGE OUTLINE *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. N. American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81− ...