| Part Numbert | Mfg | Packt | D/C | Descriptiont | Qty | Company/Contact | |
| TP4732 | TELEDYNE | 659 |
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| TP4732 | TELEDYNE | 659 |
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TP4732 Datasheet I Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. TP4732 Price PIN ASSIGNMENT 1 Pl.0 11 P1.5 2 Vcc 12 P0.4 3 Pl.1 13 P1.6 4 PO.0 14 P0.5 5 P1.2 15 P1.7 6 PO.1 16 P0.6 7 P1.3 17 RST 8 P0.2 18 P0.7 9 P1.4 19 P3.0 RXD 10 P0.3 20 SDI TP4732 on stock The block diagram in section 3 shows the main components of the W681513. The chip consists of a PCM interface, which can process long and short frame sync formats, as well as GCI and IDL formats. The pre-scaler of the chip provides the internal clock signals and synchronizes the CODEC sample rate with the external frame sync frequency. The power conditioning block provides the internal power supply for the digital and the analog section, while the voltage reference block provides a precision analog ground voltage for the analog signal processing. The main CODEC block diagram is shown in section 3. The demo board is configured as a constant current supply. Current regulation is accomplished by regulating the voltage across a current sense resistor Rl. For dimming the LEDs is to inject a pulse width modulated (PWM) voltage for analog dimming. With this method, the PWM control voltage is converted to its equivalent analog control voltage. The demo board is designed so that the negative duty cycle from 0% t0 100% varies the LED current from OmA t0 20mA. The output current increases as the duty cycle increases. Use the equation below to calculate the correctly resistor values. |
