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R2A20154NS Datasheet(PDF) 7 Page - Renesas Technology Corp |
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R2A20154NS Datasheet(HTML) 7 Page - Renesas Technology Corp |
7 / 9 page New Product R2A20154NS/SP Page 7 of 8 R03DS0014EJ0100 Rev.1.00 2011.09.05 Digital Data Format A DAC data 1 A Sub address 1 A W Slave address STA A DAC data 2 A Sub address 2 Sub address n STP A DAC data n A After the Start condition, the transmitting IC accesses the slave IC by Slave address, and transmits the data to each channel by two bites (Sub address and DAC data). Supply voltage terminal (Vcc) is also used for D/A converter upper reference voltage setting. If ripple or spike is input this terminal, accuracy of D/A converter is down, So, when use this device, please connect capacitor among Vcc to GND for stable D/A conversion. This IC’s output amplifier has an advantage to capacitive load, So, it’s no problem at device action when connect capacitor ( 0.1 µF Max ) among output to GND for every noise elimination. Application Example 8 7 6 5 Analog output terminals + 10µF MCU 5V 5V Vcc SCL SDA GND 4 Ao4 3 Ao3 2 Ao2 1 Ao1 Precaution For use Ordering Information Embossed Taping/2,500 pcs. SP PRSP0008DE-C SOP-8 R2A20154SP Embossed Taping/5,000 pcs. NS PWSN0008KA-A SON-8 R2A20154NS Packing/Quantity Package type No. Package Code Package Name Order part No. |
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