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MT9V125IA7XTC-DR Datasheet(PDF) 8 Page - ON Semiconductor |
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MT9V125IA7XTC-DR Datasheet(HTML) 8 Page - ON Semiconductor |
8 / 68 page MT9V125_DS Rev.. W 6/15 EN 8 ©Semiconductor Components Industries, LLC,2015. MT9V125: SOC VGA Digital Image Sensor Typical Connections Typical Connections Figure 3 shows a detailed MT9V125 device configuration. For low-noise operation, the MT9V125 requires separate analog and digital power supplies. Incoming digital and analog ground conductors can be tied together next to the die. Power supply voltages VAA (the primary analog voltage) and VAAPIX (the main voltage to the pixel array) should be decoupled from ground with an LC filter. The MT9V125 requires a single external voltage supply level. Figure 3: Typical Configuration Without Use of Overlay Notes: 1. MT9V125 STANDBY can be connected directly to the customer’s ASIC controller or to DGND, depend- ing on the controller’s capability. 2. A 1.5K resistor value is recommended, but may be greater for slower two-wire speed (for exam- ple, 100 KB/sec). 3. LVDS_ENABLE must be tied HIGH if LVDS is to be used. 4. Pull down DAC_REF with a 2.8K resistor for 1.0V peak-to-peak video output. 5. VAA and VAAPIX must be tied to the same potential for proper operation. 6. Low pass filter (3dB attenuation at 4.2 MHz). AGND 0.1µF 0.1µF VAA DGND 1µF VDD VAAPIX 1µF AGND 0.1µF 1µF VDD Power VAA Power SDATA SCLK RESET_BAR LVDS_ENABLE3 FRAME_VALID PIXCLK LINE_VALID DOUT[7:0] EXTCLK SADDR STANDBY1 DGND AGND DGND AGND VDD VAA VAAPIX Two-Wire Serial Interface Master Clock STANDBY from Controller or Digital GND PEDESTAL NTSC_PAL_SELECT HORIZ_FLIP DAC_NEG DAC_POS LVDS_NEG LVDS_POS DAC_REF DIN[7:0] DIN_CLK DOUT_LSB[1:0] RSVD 75 Ω Terminated Receiver VDDDAC Power VDDPLL Power VDDDAC VDDPLL 8 2 Low Pass Filter6 VAAPIX5 Power |
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