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TB1305FG Dataheets PDF



Part Number TB1305FG
Manufacturers Toshiba Semiconductor
Logo Toshiba Semiconductor
Description (TB1305FG / TB1308FG) Sync Separation and H/V Frequency Counter IC
Datasheet TB1305FG DatasheetTB1305FG Datasheet (PDF)

TB1305FG, TB1308FG TOSHIBA BiCMOS Integrated Circuit Silicon Monolithic TB1305FG,TB1308FG Component SW, Sync Separation and H/V Frequency Counter IC for TVs The TB1305FG and TB1308FG include a component SW block, a prefilter for AD conversion, sync separation and H/V format detectors for TV component video signals. The TB1305FG and TB1308FG contribute to reduction in the proportion of PCB occupied by LCR filters and to the simplification of www.DataSheet4U.com designs on analog interfaces. 2 T.

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TB1305FG, TB1308FG TOSHIBA BiCMOS Integrated Circuit Silicon Monolithic TB1305FG,TB1308FG Component SW, Sync Separation and H/V Frequency Counter IC for TVs The TB1305FG and TB1308FG include a component SW block, a prefilter for AD conversion, sync separation and H/V format detectors for TV component video signals. The TB1305FG and TB1308FG contribute to reduction in the proportion of PCB occupied by LCR filters and to the simplification of www.DataSheet4U.com designs on analog interfaces. 2 The TB1305FG and TB1308FG are equipped with an I CBUS interface through which various functions can be controlled. P-QFP48-1014-0.80 Weight: 0.83 g (typ.) Features COMPONENT BLOCK ・ Component video input: TB1305FG 2 channels, TB1308FG 3 channels; RGB available ・ Component video output ・ Gain switching: 0dB / +6dB ・ Bandwidth filter: prefilter for ADC; 4.2 to 31MHz variable) SYNC SEPARATION BLOCK ・ Supports 525/60i/60p, 625/50i/50p, 750/50p/60p, 1125/50i/60i/50p/60p, 1250/50i, VGA @60, SVGA@60, XGA@60, SXGA@60, UXGA@60 ・ HD/VD input: 2 channels; positive and negative input acceptable ・ HD/VD output: positive and negative output selectable ・ Masking pseudo-sync for copyguard signal OTHERS ・ Line detector for D-pin (2 channels) ・ Horizontal and vertical frequency counter ・ Format detection circuit for input signal ・ Automatic sync process switching mode Lineup Part No. TB1305FG TB1308FG Number of component video inputs 2 3 1 2007-07-11 TB1305FG, TB1308FG Block Diagram IICBUS LINE1 DET VD2-IN www.DataSheet4U.com BIAS BIAS IICBUS HD2-IN ADDRESS SYNC-OUT VD-OUT HD-OUT H Vcc Y-OUT H GND Cb-OUT Vf0ADJ Cr-OUT NC (SYNC3-IN) LINE2 DET LINE3 DET SW DET SYNC TIP /BIAS Y2/G2-IN LINE2-2 BIAS Cb2/B2-IN LINE3-2 POL POL SYNC SW H-C/D V-C/D FREQ COUNT DUMMY SYNC V SEP SYNC SW BIAS Cr2/R2-IN SW LINE2 H/V SEP BAND WIDTH YCbCr SW SYNC TIP CLAMP SYNC1-IN NC LINE1-1 +6dB AMP MUTE +6dB AMP MUTE BAND WIDTH YCbCr SW SYNC TIP /BIAS Y1/G1-IN LINE2-1 +6dB AMP MUTE BAND WIDTH YCbCr SW BIAS Cb1/B1-IN LINE3-1 SYNC TIP CLAMP BIAS Cr1/R1-IN NOTE: Pins 38, 39, 41 and 43 are available for the TB1308FG only. The pins are NC for the TB1305FG. The TB1305FG and TB1308FG do not support weak signals, ghost signals or other non-standard signals. Some functional blocks, circuits or constants may be omitted or simplified in the block diagram for explanatory purposes. 2 2007-07-11 TB1305FG, TB1308FG Pin Functions The equivalent circuit diagrams may be simplified or some parts of them may be omitted for explanatory purposes. Pin No. Pin Name Function Interface Circuit Input Signal/Output Signal 31 3.3V VCC pin for the logical circuits. 22 DIG VCC Supply power through a resistor from pin 31 like the Application Circuit. This pin voltage is clipped to 3.3 V (typ.) by the internal regulator. 22 50Ω 50Ω 500Ω 3.3 V (typ.) 33 20 DIG GND H VCC H GND C VCC C GND GND pin for the logical circuits. VCC pin for the sync circuits. Connect 5.0 V (typ.) GND pin for the sync circuits. VCC pin for the video circuits. Connect 5.0 V (typ.) GND pin for the video circuits. Y or G input pin. 5 14 39 Y1/G1-IN Y2/G2-IN Y3/G3-IN Input the signal via a clamp capacitor. The clamp system is selectable by CLAMP register. NOTE: Pin 39 is not available for the TB1305FG. It is an NC pin. Y or CVBS input pin. 47 Y-IN Input the Y or CVBS signal in NTSC, PAL or SECAM from an AV-SW via a clamp capacitor. The clamp system is selectable by CLAMP register. 1 3 10 12 43 41 Cr1/R1-IN Cb1/B1-IN Cr2/R2-IN Cb2/B2-IN Cr3/R3-IN Cb3/B3-IN Cb/Cr, Pb/Pr or B/R input pin. Input the signal via a capacitor. NOTE: Pins 41 and 43 are not available for the TB1305FG. They are NC pins. 1 3 10 12 (43) (41) 46 200Ω 200Ω ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ 5.0 V (typ.) ⎯ 5.0 V (typ.) ⎯ Sync tip level: 2.1 V (typ.) 46 www.DataSheet4U.com 31 33 46 44 Bias level: 2.7 V (typ.) RGB/YCbCr/YPbPr signal amplitude: 0.7 Vp-p (without sync) 2.9V/1.5V 200Ω 5 14 (39) 47 200Ω 200Ω 100kΩ 12kΩ 2.8V Sync tip level: 2.1 V (typ.) 44 Bias level: 2.7 V (typ.) Y/CVBS signal’s amplitude: 1.0 Vp-p (with sync) 2.7 V bias (typ.) RGB/YCbCr/YPbPr signal amplitude: 0.7 Vp-p (without sync) 44 100kΩ 12kΩ 2.8V 46 1.7 V bias (typ.) 5V Chroma signal input pin. Input C signal from AV-SW via a capacitor. 45 C-IN When this pin’s voltage is High, TEST mode for shipping is active. The pin voltage must be less than 3.6 V during operating. 45 200Ω 30.2kΩ C Prohibited 3.6V 1.7V (typ) 1.5V TEST 44 0V Sync tip level: 1.75 V (typ.) 31 10kΩ 8 16 38 SYNC1-IN SYNC2-IN SYNC3-IN Composite SYNC input pin to separate into H- and V-SYNC. Input the signal via a resister and a clamp capacitor. NOTE: Pin 38 is not available for the TB1305FG. It is an NC pin. 1Vp-p 8 16 (38) 33 or 1Vp-p 3 2007-07-11 TB1305FG, TB1308FG Pin No. Pin Name HD input pin. Function Interface Circuit Input Signal/Output Signal 24 26 HD1-IN HD2-IN Input a separated horizontal sync signal (1.0 to 2.0 Vp-p) via a resister and a coupling capacito.


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