MC44BS373CA Freescale Semiconductor, Inc, MC44BS373CA Datasheet
MC44BS373CA
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MC44BS373CA Summary of contents
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... 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 . . . . . . . . . . . . . . . . . . . . . . 2 2 Comparing the MC44BS373CA to the MC44BC373/4C Pin Descriptions MC44BS373CA Functional Overview 5 5 Maximum Ratings ...
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... Transient output inhibit during PLL lock-up at power-on • Logical output port controlled by bus • ESD protection, minimum Comparing the MC44BS373CA to the MC44BC373/4C Compared to the MC44BC373/4C devices, the MC44BS373CA has the following improvements: • Higher output level (82 versus 74.5 dBµV) • Higher video signal to noise (+3 dB) 2 C-compatible bus receiver ...
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... Pin Descriptions This section describes the pins of the MC44BS373CA. First the 16-pin package will be considered, then the 20-pin package. 3.1 SO16 Package Pin Descriptions The pins of the 16-pin package are listed in Table 1, along with a description of each. ...
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... Sound PLL loop filter Sound auxiliary input (sound FM and AM modulators bypassed) Video input Main analog supply voltage Not connected Analog ground Not connected TV output signal TV output stage supply voltage RF PLL loop filter Digital supply voltage Digital ground clock data MC44BS373CA Data Sheet ...
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... UHF/VHF carrier An on-chip video test pattern generator with an audio test signal is included. The MC44BS373CA operates as a multi-standard modulator and can handle the following systems using the same external circuit components: B/G, I, D/K, L, M/N. High-frequency BiCMOS technology allows integration of the UHF tank circuit and certain filtering functions ...
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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 taken to avoid applications of any voltages higher than maximum rated voltage to this high-impedance circuit ...
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... NOTE Table 7. Operating Conditions Condition Minimum Typical Maximum Unit Type Notes — 4.5 — 42 — 3 — 3 During locking 7 When locked 0.7 — 60 — 1 — — — — MC44BS373CA Data Sheet Electrostatic Discharge Minimum Unit 400 V 4000 V 5.0 5 µS 4.7 6.5 B µA ...
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... N1 2 Table Read-Mode Bit Mapping Bit 6 Bit 5 Bit 4 Bit — — — — Bit Mapping Bit Descriptions Description MC44BS373CA Data Sheet Bit 2 Bit 1 Bit 0 ACK See Table 11. 0 ACK X3 X2 SYSL ACK SREF X5 X4 ACK ACK ...
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... C Address Selection, Write Mode Address Selected SFD0 Binary 0 1100_1000 0 1100_1010 1 1100_1100 1 1100_1110 2 C Address Selection, Read Mode Address Selected SFD0 Binary 0 1100_1001 0 1100_1011 1 1100_1101 1 1100_1111 MC44BS373CA Data Sheet I2C Bit Mapping Hex 0xC8 0xCA 0xCC 0xCE Hex 0xC9 0xCB 0xCD 0xCF ...
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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 SFD0 Sound oscillator on (normal mode) ...
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... LOP pin is low voltage. 1 LOP pin is high impedance. OSC Puts the MC44BS373CA into standby mode. See Section 15.3, “Standby Mode,” for SO more information. ATT Table 17 lists settings of fields X2, X1, and X0, used to set the device into test mode 1 and to control the VHF range ...
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... Sound phase comparison 10-µA lower source on SPLLFIL (only valid during transient output inhibit) Sound phase comparison 1-µA upper source on SPLLFIL (not valid during transient output inhibit) Sound phase comparison 1-µA lower source on SPLLFIL (not valid during transient output inhibit) Table 19. Read Mode Setting MC44BS373CA Data Sheet ...
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... Picture carrier harmonics are highly dependent on PCB layout and decoupling capacitors. Modulator High-Frequency Characteristics NOTE Test Conditions Min 79 460 — — — 65 MC44BS373CA Data Sheet Typ Max Unit Type Notes 82 85 dBµ — 880 MHz A — 460 MHz ...
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... NOTE Minimum Typical –1.5 — — MC44BS373CA Data Sheet 3Fo Harmonics Maximum specification 571 621 671 721 771 821 871 Frequency (Mhz) TV Output Attenuation Typical Minimum specification 571 621 671 721 771 ...
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... Frequency (Mhz) 102 100 98 96 Typical 771 821 871 471 521 Figure 4. Typical Video Performance MC44BS373CA Data Sheet Video Characteristics Maximum Unit Type Notes — — KΩ 97 — — C — 5 deg C — ...
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... Video input EBU color bar 75% Audio BW 40Hz–15kHz, using CCIR 468-2 weighting filter 1 See Section 14, “Characterization Measurement Conditions.” NOTE Test Conditions Minimum Typical Maximum Unit Type –2.0 — — MC44BS373CA Data Sheet ...
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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 output port Picture-to-sound carrier ratio ...
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... MHz) minus the chroma frequency (–4.43 MHz), resulting in the following spectrum (Intermodulation product is at the channel frequency +1.07 MHz): Picture Carrier Chroma/Sound Intermodulation Fo +1.07MHz MC44BS373CA Data Sheet Sound 2nd Harmonic Sound 3rd Harmonic +11MHz +16.5MHz Sound Carrier Chroma 2nd Harmonic +8 ...
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... The video analyzer measures the ratio between the amplitude of the active area of the video signal (700 mV) and the noise level in Vrms on a video black level which is shown below. Video S/N is calculated log(700/N) in dB. noise level in Vrms MC44BS373CA Data Sheet 3rd harmonic 3Fo Fo × 3/2 Fo ...
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... The analyzer is centred on the maximum peak of the video signal and reduced span in linear mode to demodulate the video carrier . TV Line Demodulated by Spectrum Analyzer—BG Standard The modulation depth is calculated as (A – 100 in percent. Same measurement method for L standard, with inverted video. MC44BS373CA Data Sheet × 100 ...
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... TV set. In this mode the Nyquist filter is bypassed and the video carrier is used without added delay to effectuate intercarrier conversion. In this mode the phase noise information fully cancels out and the true S/N can be measured × ( ASN dB 20 log Signal + Noise = MC44BS373CA Data Sheet Sound Carrier ) + Noise + Signal ) ⁄ Noise ...
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... UHF oscillator, and the video and sound modulator sections’ bias are internally turned off. The I section remains active. The MC44BS373CA can be set to standby mode with a combination of 3 bits: OSC = and ATT = 1. 15.4 System Selection The SYSL pin can be used to switch the device between system L and system B/G, as summarized in Table 26 ...
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... This reduces the risk of intermodulation in certain areas. The LOP can also be used as an off position bypass switch or for other logic functions in the application. switched from 128 × --------- - 8 4 × …… × × + 1024 N10 + + NOTE MC44BS373CA Data Sheet MC44BS373CA Modes of Operation + N0 ...
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... 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 sync pulses • A nominal level of 1 Vp-p This signal is AC-coupled to the video input where the sync tip level is clamped. ...
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... The first chart represents the audio bandwidth for low frequencies (20 to 150 Hz) for two sets of sound loop filters. The first set with 1 µF + 100 nF + 5.6 KΩ gives a flat response. The second set with 1 µF + 100 nF + 4.7 KΩ gives a peak of about Hz possible to adjust this peak by changing the resistor value. MC44BS373CA Modes of Operation MC44BS373CA Data Sheet ...
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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 0 10000 Figure 9. Audio Bandwidth Measurements ( kHz) Without Pre-Emphasis 60 80 100 Hz Snd filter: 1µF_100nF_4K7 Snd filter: 1µF_100nF_5K6 ...
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... See Section 14, “Characterization Measurement Conditions,” for each C-type parameter. Unless otherwise specified Figure 10. PLL Loop Filter × Kosc ------------------------------ - × × × ω 168 rad, and ° MC44BS373CA Data Sheet High Speed I2C Compatible Bus , with ω o ...
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... T 500 su;sto T 500 hd;sto T — ack;low — — — — — ACK ... SDA SCL ... T T hd;dat ack;low Figure 11. SSDA/SSCL Timing MC44BS373CA Data Sheet Unit Type µA –2 — A — 1 — — µA — — — ...
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... C Bus Timing NOTE 2 C address selection applies address in the 16-pin packages is set address from among four available addresses. This selection address 0xCA 0xC8 0xCC 0xCE MC44BS373CA Data Sheet High Speed I2C Compatible Bus Stop Data ACK ACK ...
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... The incoming information consists of the read-mode chip address byte. The device then answers with an ACK followed by 1 byte containing 3 bits of status information. No acknowledge is answered by the modulator after this byte Write Mode STO STO Read Mode) MC44BS373CA Data Sheet 2 C bus) is shown in Table 30. FL STO C0 STO ...
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... SPLLFLT VCC VCC 100 PLLFLT 2K VCCD SCL 1/2 VCCD 5K 1.5K 10k AUDIO VCC VCC VCC 5K 75 Figure 14. Pin Circuit Schematics MC44BS373CA Data Sheet Pin Circuit Schematics VCCD VCC 25K 1/2 VCCD VCC LOP VCC 50k AUDIO VCC 600 AUXIN 20K TVOUT VCC TVOVCC VCC ...
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... SCL GNDD 15 2 SDA VCCD 3 14 Note 3 LOP PLLFLT XTAL TVOVCC 5 12 1nF GND TVOUT 6 11 PREEM GND 7 10 AUDIO VCCA 8 9 SPLLFLT VIDEO 10nF 15K 75 Video MC44BS373CA Data Sheet 2.2k Note 47nF O TVOUT Note 3 10nF 100nF O O Vcc ...
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... VCCD 3 14 LOP PLLFLT 4 13 10nF XTAL TVOVCC 5 12 1nF GND TVOUT 6 11 PREEM GND 7 10 AUDIO VCCA 8 9 SPLLFLT VIDEO 10nF 3K9 to 6K2 75 Note 8 O Video MC44BS373CA Data Sheet Application Diagrams 2.2k Note 5 22nF Note 6 47nF O TVOUT Note 6 10nF 100nF O Vcc ...
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... Chip address select pin open (default I 22nF TVOVCC LOP 15 1 TVOUT CAS XTAL 13 3 GND GND PREEM Note 12 220nF 10nF 15K 22nF 2 C address = 0xCA). MC44BS373CA Data Sheet 2.2k Note 11 47nF O Vcc Note 12 10nF O 1nF TVOUT Vcc O 10nF O 1uF Video 75 ...
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... TVOUT CAS XTAL 13 3 GND GND PREEM 1uF 10nF 100nF Note 18 3K9 to 6K2 2 C address = 0xCA) MC44BS373CA Data Sheet Application Diagrams 2.2k Note 15 47nF O Vcc 10nF Note 16 O 1nF TVOUT Note 16 10nF Video 75 O Vcc ...
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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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... MC44BS373CAD,R2—Moisture sensitivity level 1, no dry pack required • MC44BS373CAFC,R2 lead free packages—Moisture sensitivity level 3, dry pack required • MC44BS373CAEF,R2 lead free packages—Moisture sensitivity level 3, dry pack required Figure 24. Dual In-line SOP (SOIC) MC44BS373CA Data Sheet Packaging Instructions ...
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... Pin 1 Dot or Dimple MBS373CAEF Pin 1 Dot or Dimple • 1st line: M73CA (Part number coded on 4 digits) • 2nd line: ALYW (Assembly site code A (1 digit) wafer lot code L (1 digit), year Y (1 digit) and work week W (1 digit) MC44BS373CA Data Sheet AWLYWW AWLYWW ...
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... Dimension b does not include Dambar 0.229 0.244 protrusion. Allowable Dambar protrusion shall be 0.127 (0.005) total in 0.150 0.157 excess of the b dimension at maximum material condition. 0.014 0.019 0.008 0.009 0.050 BSC 0.016 0.049 0.010 0.019 Figure 26. SO16NB Package MC44BS373CA Data Sheet Case Outlines ...
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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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... Removed warnings from Figure 15, Figure 16, Figure 17, and Figure 18 Corrected spelling of pin SPLLFLT (was SPLFLT) Changed operating temperature range from 0–70 to –20–85. Added note to section 16 stressing that I packages Table 33. Document Revision History Substantive Change( address selection is not available for the 16-pin MC44BS373CA Data Sheet ...
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... THIS PAGE INTENTIONALLY LEFT BLANK MC44BS373CA Data Sheet Document Revision History ...
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... Document Revision History Document Revision History THIS PAGE INTENTIONALLY LEFT BLANK MC44BS373CA Data Sheet ...
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... THIS PAGE INTENTIONALLY LEFT BLANK MC44BS373CA Data Sheet Document Revision History ...
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