CXA1814 SONY [Sony Corporation], CXA1814 Datasheet
CXA1814
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CXA1814 Summary of contents
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... VCR ATF Description The CXA1814N developed for ATF (Automatic Track Finding VCRs, and integrates the major functions necessary for ATF onto a single chip. Features • Built-in pilot signal detector and BPF • Adopts a high-precision analog filter with no switching noise • ...
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... PILOT 9 3FH 3FH- ATF 13 ERROR RPPB 14 MODE PILOT 15 ACT – 2 – CXA1814N SPIN COMP REF ENV OUT MOD RATIO CLOG REF CLOG SP/LP REF PB SP/LP CS SIN SCLK CLOCK IN VREF STBY REC PILOT ...
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... V CC 50µA 6 GND V CC 210k 15k 50k 8 270k 5µA GND – 3 – CXA1814N I/O Description — Power supply for all circuits. 50 kΩ Playback RF signal input. — Unconnected. GCA1, BMIN and BMOUT test I/O. 100 kΩ Pull with a 100 CC kΩ resistor during signal input ...
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... GND V CC 50µA 13 GND V CC 5µ GND – 4 – CXA1814N I/O Description 3FH signal input. Connect it to Pin 6 with capacitor coupled. 60 kΩ FH signal input. Connect it to Pin 5 with capacitor coupled. FH detection circuit output. Operational amplifier inverted input for the FH detection circuit output amplifier ...
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... GND V CC 5µ GND – 5 – CXA1814N I/O Description Pilot signal output. Power save mode control. High: STBY Electric potential for FH detection operating point. 150 kΩ External clock input. Serial input clock for GCA1 and GCA2 gain and TEST mode control ...
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... V CC 5µ GND V CC 100µA 28 GND – 6 – CXA1814N I/O Description This pin is as follows during variable speed playback. During SP mode: High During LP mode: Low “Low” during normal playback. Threshold level setting for LP/SP identification during special playback. Clog detection output. ...
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... Pin Pin voltage Symbol No COMP 29 0.53 V — REF 0.1 to 1.0 30 SPIN 2.1 V Vp-p Equivalent circuit impedance V CC 100µA 29 GND V CC 50k 30 100k 100k GND – 7 – CXA1814N I/O Description Reference voltage output for comparator. 133 kΩ Playback RF signal input. ...
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... Supply voltage Operating temperature range Symbol Rating V –0 –0 Topr – Tstg –40 to 125 50 mm, 1.6 mm thick glass fabric base Symbol Min. Typ –10 OPE – 8 – CXA1814N Unit 1025 mW °C °C Max. Unit 5 °C ...
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... PILOTACT = H CLOCK IN input resistance Rck CLOCKIN Vin/Iin (Unless otherwise specified °C, V Conditions = 3.15 V, entire operating temperature range = 3.0 V, Vref fluctuation range = 4.0 V, Vref fluctuation range = RPPBMODE = H RECPILOT voltage ratio – 9 – CXA1814N = 3. Rating values Unit Remarks Min. Typ. Max 3 ...
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... Note 1) The Typ. value 3. (Unless otherwise specified °C, V Conditions = 3.0...4 3.0...4.0 V =3...4 V/GCA2 = 1000 CC =3...4 V/GCA2 = 1000 3. 3 – 10 – CXA1814N = 3. Rating values Unit Remarks Min. Typ. Max 2.4 0.4 0.01 0.4 2.5 3.0 2.5 3.0 ...
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... CXA1814N ATF ERR Remarks Measurement points Measurement points Measurement points Measurement point 4 Measurement points ...
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... Measure 3FH-FH (fig. 6) (Unless otherwise specified °C, V Conditions = 3.0...3.6 V Gpd (V = 3.6 V) – Gpd ( 3.0...3.6 V Gpd (V = 3.6 V) – Gpd ( 15) BPF16OUT Gain BPF46OUT Gain GCA2 = 1000 (Fig-4) – 12 – CXA1814N = 3. Rating values Unit Remarks Min. Typ. Max. 0.1 0.3 1.5 Vp 0.1 ...
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... COMP REF (fig 2) SPin 500mVp-p Tcl 1 CLOG (fig 3) SPin 500mVp-p Tsp 1 SPLP MOD RATIO ENV OUT 51k 100k 2 seconds 5MHz 2 seconds 5MHz – 13 – CXA1814N to Vref SP/LP REF 24 CLOG REF 26 Tcl 2 Tsp 2 ...
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... SPIn 1 Vp-p Trenv ENVOUT (fig 5) FHin 1 Vp-p Trsub 1 3FH-FH (fig 6) 3FHin 1 Vp-p Trsub 2 3FH-FH 100m seconds 2 seconds 5MHz Tfenv 90% 10% 100m seconds 16kHz Tfsub 1 10% 90% 100m seconds 46kHz Tfsub 2 90% 10% – 14 – CXA1814N ...
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... CLOG OUT SP/LP GND 7 REF REF PB 8 PILOT SP/LP 9 3FH SIN FH IN SCLK 11 3FH- CLOCK IN ATF 13 VREF ERROR RPPB 14 STBY MODE PILOT REC 15 ACT PILOT – 15 – 0.01µ 51k 100k DATA 20 GENERATOR 5.947552MHz 19 10p 0.3Vp CXA1814N ...
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... Grf1 REF (Grf1 = 5 ± 2 dB) – 16 – CXA1814N PB GAIN SP/LP GAIN TESTMODE Select NIN MAX Tcsclk 5 µsec Tclk 1 µsec Tclkcs 5 µsec TEST D8 D9 TESTMODE 0 0 OUTPUT OF GCA 0 1 OUTPUT OF B ...
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... Example of External Connections – 17 – CXA1814N ...
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... CXA1814N ...
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... Frequency (Hz) BPF16 frequency response 10 0 –10 –20 –30 10k f - Frequency (Hz –20 –40 –60 –80 1M 10k 10 0 –10 –20 –30 20k – 19 – LPF1 frequency response 100k f - Frequency (Hz) BPF46 frequency response 40k 50k f - Frequency (Hz) CXA1814N 1M ...
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... SONY CODE EIAJ CODE JEDEC CODE 30PIN SSOP (PLASTIC) 10.2 ± 0 0.3 ± 0.08 M 0.15 0.1 PACKAGE STRUCTURE PACKAGE MATERIAL LEAD TREATMENT SSOP-30P-L123 SSOP030-P-0300 LEAD MATERIAL PACKAGE WEIGHT – 20 – CXA1814N A 0.25 0.05 MIN 0° to 8° DETAIL A EPOXY RESIN SOLDER PLATING COPPER ALLOY 0.21g ...