sm5320av Nippon Precision Circuits Inc, (NPC), sm5320av Datasheet
sm5320av
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sm5320av Summary of contents
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... APPLICATIONS HDTVs I LCD TVs I PDPs I Projectors I ORDERING INFORMATION Device SM5320AV 5-channel Video Buffer with Built-in wideband LPF *1 by 256 steps. The lowpass filter supports 480i * and the I C slave address can be set by ADS (3-state input) to allow up 2 C-BUS 1.8k Ω . PINOUT (Top view) = 1.8k Ω ...
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BLOCK DIAGRAM VDD GND1 SDA Control SCL VCC1 YIN Clamp VREF VCC2 CIN Bias CH-Y/C Clamp/ IN1 Bias VCC3 CH-1 Clamp/ IN2 Bias CH-2 VCC4 Clamp/ IN3 Bias VCC5 CH-3 Note. The recommended value of the external ...
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PIN DESCRIPTION *1 Number Name I/O 1 CIN I 2 YIN I 3 VCC4 – 4 VDD – 5 SDA I/O 6 SCL I 7 GND6 – 8 VCC5 – – 10 ISET – 11 GND1 – 12 ...
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PIN EQUIVALENT CIRCUITS *1 Number Name I/O 14 IN1 13 IN2 I 12 IN3 25 YOUT 27 COUT 18 OUT1 O 20 OUT2 22 OUT3 16 REF O 2 YIN I SM5320A Equivalent circuit VCC INn GND VCC YOUT COUT ...
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Number Name I/O 1 CIN I 5 SDA I/O 6 SCL I 15 ADS I *1. I: input, O: output Note. Resistance values in the equivalent circuits indicate design values. SM5320A Equivalent circuit 20kΩ CIN 130Ω 200Ω 250Ω SDA ...
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SPECIFICATIONS Absolute Maximum Ratings = GND1 = GND2 = GND3 = GND4 = GND5 = GND = 0V, VCC1 = VCC2 = VCC3 = VCC4 = VCC5 = V SS VDD = V CC Parameter Symbol Supply voltage V CC ...
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AC Characteristics (I C-BUS) = 5.0V 3.0 to 5.5V 25°C, unless otherwise noted Parameter Symbol SCL clock frequency f SCL SCL hold time (start condition) t HD;STA SCL clock LOW-level pulsewidth t ...
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Analog Characteristics Analog input characteristics = 5.0V 3.0 to 5.5V 25°C, fin = 100kHz 300Ω, CH-1 set to clamp input, CH-2 and CH-3 set to bias input, FCDATA = 227, unless ...
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Frequency characteristics (CH-Y/C) = 5.0V 3.0 to 5.5V 25°C, fin = 100kHz 300Ω, unless otherwise noted Parameter Symbol Passband attenuation F PB Stopband attenuation F SB ∆T Group delay ...
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Output characteristics (CH-Y/C) = 5.0V 3.0 to 5.5V 25°C, fin = 100kHz 300Ω, unless otherwise noted Parameter Symbol Output gain Output gain Output ...
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Evaluation Circuit Diagram Controller 0.1µF CIN 4.7µF + YIN 4.7µF + IN3 4.7µF + IN2 4.7µF + IN1 Note. This is a circuit only for the evaluation board of an electric characteristics. (It is not a recommended ...
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FUNCTIONAL DESCRIPTION 2 I C-BUS Control 2 The SM5320A uses an I C-BUS interface to set the following functions. 1) Cutoff frequency (HD block mode switching (1/2 cutoff frequency switching, HD block) 3) Filter mode/filter bypass mode switching ...
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Slave Address The 7-bit slave address is selected using the ADS pin. When ADS = “L” the address is 48h (1001000b), when ADS = “H” the address is 49h (1001001b), and when ADS = “Z” (open) the address is 4Ah ...
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Flag settings (1) Cutoff frequency Register name: FCM, FC Address: Sub address = 00h, bit7 to bit0 FCDATA FCSET FCM 0 00h 0 1 01h 0 2 02h 0 125 7Dh 0 126 7Eh 0 127 7Fh 0 128 80h ...
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Power-down mode select Register name: PD Address: Sub address = 02h, bit7 Control register Sub address 02h bit7 0 Normal operation (default) Power-down mode. Current consumption: ≤ 500µA 1 Sets the normal operation or power-down mode. (4) fc mode ...
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Output gain setting Register name: GS1 Address: Sub address = 02h, bit5 to bit0 bit5 bit4 bit3 ...
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Lowpass Filter The SM5320A has built-in 5th-order lowpass filters with variable cutoff frequency. The cutoff frequency range is set by the resistor (R ) connected between ISET and GND, and the cutoff frequency setting is determined by ISET FCDATA data. ...
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Figure 2. Cutoff frequency vs. FCDATA (R R ISET R controls the internal current source, and its connection is essential. The recommended value (R ISET 1.8kΩ. In power-down ...
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USAGE PRECAUTIONS Slave Address (4Ah) Setting When slave address 4Ah is used, the ADS input must be left open circuit. In this case, an external resistor should be connected as shown in figure 3 to reduce the risk of malfunction ...
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TYPICAL CHARACTERISTICS = 5.0V 3.0 to 5.5V 25°C, fin = 100kHz CH-1 set to clamp input, CH-2 and CH-3 set to bias input, FCDATA = 227, unless otherwise noted –6 ...
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Gain –12 –18 Phase –24 –30 –36 –42 –48 –54 –60 0 Frequency [MHz] Figure 10. Gain and Phase characteristics (standard fc mode, FCDATA = 227 –6 Gain –12 –18 Phase –24 –30 ...
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I 100 CC1 CC2 4.5 4.75 5 5.25 V [V] CC *1. filter mode, FCDATA = 255 *2. filter bypass mode Figure 16. I vs. V CC1 500 ...
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Please pay your attention to the following points at time of using the products shown in this document. The products shown in this document (hereinafter “Products”) are not intended to be used for the apparatus that exerts harmful influence on ...