MC44BS373CAEFR2 Freescale Semiconductor, MC44BS373CAEFR2 Datasheet
MC44BS373CAEFR2
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MC44BS373CAEFR2 Summary of contents
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Technical Data MC44BS373CA Rev. 2.6, 6/2004 MC44BS373CA Data Sheet PLL-Tuned UHF and VHF Audio/Video High-Integration Modulator Contents The MC44BS373CA audio and video modulator is for use in VCRs, set-top boxes, and similar devices. 1 Features . . . . . ...
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Features Features 1 Features The MC44BS373CA is a multi-standard, PAL/SECAM/NTSC modulator. The channel is set by an on-chip high-speed I the modulator over the full UHF range. The modulator incorporates a sound subcarrier oscillator and uses a second PLL to ...
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I C bus 3.3-V compatible • Lower power consumption in normal and standby modes (–2 mA) • Can be powered down without holding down I • TB1 bit no longer available (limited compatibility with MC44355 devices no longer ...
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Pin Descriptions Pin Descriptions 3.2 QFN20 Package Pin Descriptions The pins of the 20-pin package are listed in Table 2, along with a description of each. Table 2. QFN20 Package Pin Descriptions Pin Name 1 LOP 2 CAS 3 XTAL ...
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MC44BS373CA Functional Overview Figure 2 shows a simplified block diagram of the MC44BS373CA. LOP 75 Ω TVOVCC TVOUT BUS SECTION CAS (only in QFN 20) High Speed SCL Bus SDA Receiver VCCD GNDD Figure 2. MC44BS373CA ...
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Maximum Ratings Maximum Ratings 5 Maximum Ratings Table 3 lists the maximum ratings supported for operating conditions of the MC44BS373CA. This device contains protection circuitry to guard against damage due to high-static voltage or electric fields. However, precautions must be ...
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Electrostatic Discharge Electrostatic discharge (ESD) tests are carried out on all pins using MIL STD 883C method 3015-7. Results are shown in Table 6. s Symbol ESD MM (machine model) ESD HBM (human body model) 8 Electrical Characteristics Each ...
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I2C Bit Mapping I2C Bit Mapping Bit Mapping Write Mode Bit 7 Chip address 1 C1—High-order bits 1 C0—Low-order bits PWC FM—High-order bits 0 FL—Low-order bits N5 Read Mode Bit 7 Chip address 1 R—Status byte ...
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Table 10. I Name SFD1 Sound subcarrier frequency control bits SFD0 SFD1 SFD0 Frequency 6.5 SREF Sound PLL reference frequency 0 Sound reference frequency = 31.25 kHz 1 Sound ...
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I2C Programming I2C Programming Programming The following tables list, by category, the bits used to program various parameters of the MC44BS373CA. 10.1 Sound Settings Table 13 lists the sound settings used. Bit Value SFD1 SFD1 SFD0 ...
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Table 15 lists the UHF settings used. Bit Value OSC 0 Normal operation 1 UHF oscillator disabled (oscillator and PLL sections bias turned off) ATT 0 Normal operation 1 Modulator output attenuation (sound and video modulators sections bias turned off) ...
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I2C Programming I2C Programming Table 17. Write Mode—Test Mode 1 and VHF Range (continued State 1 1 1.h Table 18 lists settings of fields X5, X4, and X3, ...
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Modulator High-Frequency Characteristics Each of the characteristics listed in Table 20 is classified as one of the following types: • A—100% tested • B—100% correlation tested • C—Characterized on samples • D—Design parameter See Section 14, “Characterization Measurement Conditions,” ...
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Video Characteristics Video Characteristics 2Fo Harmonics Maximum specification 471 521 571 621 671 Frequency (Mhz) TV Output Level 87 Maximum specification 85 Typical 83 81 Minimum specification 79 77 471 521 ...
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Table 21. Video Performance Characteristics (continued) Parameter Test Conditions Video input impedance Peak white clip Video modulation depth for video = 1.4 V Video S/N No sound modulation,100% white video Using CCIR Rec.567 weighting filter Unweighted Differential phase CCIR test ...
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Audio Characteristics Audio Characteristics 13 Audio Characteristics Each of the characteristics listed in Table 22 is classified as one of the following types: • A—100% tested • B—100% correlation tested • C—Characterized on samples • D—Design parameter See Section 14, ...
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Characterization Measurement Conditions Table 23 shows the MC44BS373CA default configuration unless otherwise specified. Table 23. Device Default Configuration Device Feature Peak white clip UHF oscillator Sound and video modulators Sound subcarrier frequency Sound oscillator Sound PLL reference frequency Logic ...
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Characterization Measurement Conditions Characterization Measurement Conditions Table 24. Measurement Conditions (continued) Device and Signal Set-Up ATT bit = 1 No video signal No audio signal Video: 10-step grey scale No audio signal No audio Video: a 700-mVp-p, 100-kHz sinusoidal signal ...
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Table 24. Measurement Conditions (continued) Device and Signal Set-Up No video signal No audio signal No video signal No audio signal No video signal No audio signal No audio Video: 600-mVp-p sinusoidal signal inserted on the black level of active ...
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Characterization Measurement Conditions Characterization Measurement Conditions Table 24. Measurement Conditions (continued) Device and Signal Set-Up Same as above with CCIR filter disabled Video: 5-step grey scale, 1 Vp-p No audio signal This is measured using a Rohde & Schwarz AMFS ...
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Table 24. Measurement Conditions (continued) Device and Signal Set-Up No video signal No audio signal PS bit set to 0 and 1 Audio Modulation Depth—FM Modulation Video black level Audio signal: 1 kHz, 205 mVrms. This is measured using a ...
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MC44BS373CA Modes of Operation MC44BS373CA Modes of Operation 15 MC44BS373CA Modes of Operation 15.1 Power-On Settings At power on, the MC44BS373CA is configured as shown in Table 25 below. WRITE MODE C1-High order bits C0-Low order bits FM-High order bits ...
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Transient Output Inhibit To minimize the risk of interference to other channels while the UHF PLL is acquiring a lock on the desired frequency, the sound and video modulators are turned off during a timeout period for the following ...
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MC44BS373CA Modes of Operation MC44BS373CA Modes of Operation Antenna Input Figure 6. Typical Attenuator Application with Pin Diode 15.9 Video Section—Peak White Clip The MC44BS373CA requires the following for proper video functionality: • A composite video input with negative going ...
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Sound Section The oscillator is fully integrated and does not require any external components. An internal low-pass filter and matched structure provide very low harmonics levels. The sound modulator system consists modulator incorporating the sound subcarrier ...
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MC44BS373CA Modes of Operation MC44BS373CA Modes of Operation -10 - Figure 8. Audio Bandwidth Measurements ( 150 Hz) Versus Loop Filter Components -10 -12 ...
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Kpd ω ----------------------------- - Loop filter equation: ω • 3-dB cutoff frequency • Kpd = 1-µA phase detector current • Kosc = 5 MHz/V sound oscillator slope. (In fact, Kosc = 40 MHz/prescaler divider = 8.) ...
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High Speed I2C Compatible Bus High Speed I2C Compatible Bus Electrical Characteristics SDA/SCL output current at 0V SDA/SCL low input level SDA/SCL high input level SDA/SCL input current for input level from 0 0.3 V SDA/SCL input level ...
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Level Definitions SDA/SCL high and low levels are designed to be compatible with 0–5 V and 0–3.3 V SDA/SCL signals. SDA 2 16.4 High-Speed I C-Compatible Bus Format SCL STA Chip Address (0xCA) ...
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High Speed I2C Compatible Bus High Speed I2C Compatible Bus 2 The bus receiver operates the I C-compatible data format. The chip address (I Table 30. Chip Address ( (ACK) = 0xC8 ...
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Pin Circuit Schematics VCC 50 25K SDA ACK VCC XTAL VCC PREM 11.8k VCCD VCCD 85K CAS SPLLFLT VCC VCC 100 PLLFLT 2K VCCD SCL 1/2 VCCD 5K 1.5K 10k AUDIO VCC VCC VCC 5K 75 Figure 14. Pin ...
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Application Diagrams Application Diagrams 18 Application Diagrams 18.1 BiCMOS Modulator SO16NB Mono Application SDA O LOP Cx 4 MHz Note 1 Pre-em 470pF 220nF 100nF 22nF O Audio Figure 15. Proposed SO16 Package (Mono Application Schematic) Notes value ...
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BiCMOS Modulator SO16NB Stereo Application SDA O LOP Cx 4MHz Note 4 Pre-em Note 220nF Note 9 100nF O Audio Figure 16. Proposed SO16 Package (Stereo Application Schematic) Notes value depends on crystal characteristics; ...
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Application Diagrams Application Diagrams 18.3 BiCMOS Modulator QFN20 Mono Application SCL O SDA O LOP Note 13 4MHz Cx Note 10 Pre-em 470pF 100nF O Audio Figure 17. Proposed QFN20 Package (Mono Application Schematic) Notes: 10. Cx value depends on ...
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BiCMOS Modulator QFN20 Stereo Application SCL O SDA O LOP Note 19 Cx 4MHz Note 14 Pre-em 470pF Note 17 220nF O Audio Figure 18. Proposed QFN20 Package (Stereo Application Schematic) Notes: 14. Cx value depends on crystal characteristics; ...
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MC44BS373CA Evaluation Board Schematic and Layout MC44BS373CA Evaluation Board Schematic and Layout 19 MC44BS373CA Evaluation Board Schematic and Layout 19.1 SO16NB Board PCB Layout Figure 19. Evaluation Board PCB Layout (SO16NB Package) MC44BS373CA Data Sheet ...
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SO16NB Board Schematic Figure 20. Evaluation Board Schematic (SO16NB Package) MC44BS373CA Evaluation Board Schematic and Layout MC44BS373CA Data Sheet ...
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MC44BS373CA Evaluation Board Schematic and Layout MC44BS373CA Evaluation Board Schematic and Layout 19.3 QFN20 Board PCB Layout Figure 21. Evaluation Board PCB Layout (QFN20 Package) Top Layer MC44BS373CA Data Sheet ...
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MC44BS373CA Evaluation Board Schematic and Layout Bottom Layer Figure 22. Evaluation Board PCB Layout (QFN20 Package) MC44BS373CA Data Sheet ...
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MC44BS373CA Evaluation Board Schematic and Layout MC44BS373CA Evaluation Board Schematic and Layout 19.4 QFN20 Board Schematic Figure 23. Evaluation Board Schematic (QFN20 Package) MC44BS373CA Data Sheet ...
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Packaging Instructions Tape and reel packaging is per 12MRH00360A issue Y with the following conditions applicable for dual in-line SOP (SOIC) package and quad flat pack no lead square (QFN). Component orientation: Arrange parts with the pin-1 side closest ...
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Marking Instructions Marking Instructions 21 Marking Instructions 21.1 SO16 NB Marking Bar marked part way across pin 1 end of package. Bar width mils, length least four times bar width. Bar placement may extend ...
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Case Outlines 22.1 SO16 Case Millimeters Dim Min Max A 1.35 1.75 A1 0.1 0. 5.8 6 0.35 0.49 c 0.19 0.25 e 1.27 BSC L 0.4 1.25 h 0.25 0.5 ...
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Case Outlines Case Outlines 22.2 QFN20 Case Figure 27. QFN20 Package ( MC44BS373CA Data Sheet ...
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Figure 28. QFN20 Package ( MC44BS373CA Data Sheet Case Outlines ...
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Case Outlines Case Outlines Figure 29. QFN20 Package ( MC44BS373CA Data Sheet ...
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Figure 30. QFN20 Package ( MC44BS373CA Data Sheet Case Outlines ...
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Document Revision History Document Revision History 23 Document Revision History Table 33 provides a revision history for this data sheet. Rev. No. Date 2.5 05/14/2004 Non-technical edits Tables reformatted Added note nine to Figure 16 2.6 05/26/2004 Corrected resistor values ...
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