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TDA8822 데이터시트(PDF) 3 Page - NXP Semiconductors |
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TDA8822 데이터시트(HTML) 3 Page - NXP Semiconductors |
3 / 28 page 1997 Jan 08 3 Philips Semiconductors Preliminary specification Universal I2C-bus programmable RF modulator TDA8822 QUICK REFERENCE DATA VCCA =VCCD =5V; Tamb =25 °C; in PAL B/G, PAL I, PAL D/K or NTSC; MD setting = 4; DEV setting = 2; PS setting = 1; video input signal = 500 mV (p-p) EBU colour bars; audio input signal = 45 mV (p-p); 1 kHz sine wave; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VCCA analog supply voltage 4.5 5.0 5.5 V VCCD digital supply voltage 4.5 5.0 5.5 V ICC(tot) total supply current − 60 72 mA md modulation depth adjustment range typical value for MD setting between 0 and 7 72.5 − 90.0 % P/S picture-to-sound ratio adjustment range typical value for PS setting between 0 and 7 −18 −−11 dB VRF RF output voltage level asymmetrical on a 75 Ω load frequency between 45 and 860 MHz 77 80 83 dB µV fsc sound subcarrier frequency 4.5 − 6.5 MHz ∆fsc sound subcarrier frequency deviation range for B/G, I, D/K, SC setting = 1, 2 or 3; typical value for DEV setting between 0 and 7 20 − 45 kHz for M, N, SC setting = 0; typical value for DEV setting between 0 and 7 10 − 22.5 kHz |
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