cxa2509aq Sony Electronics, cxa2509aq Datasheet
cxa2509aq
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cxa2509aq Summary of contents
Page 1
... Playback Equalizer Amplifier with Music Sensor Description The CXA2509AQ designed for use in car stereo cassette decks. Functions include playback equalizer amplifier and music sensor into a single chip. Features • Few external parts • Small package (40-pin QFP) • Same pin configuration as for the Dolby B-C type ...
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... BIAS TAPE/AUX TAPE EQ FWD/RVS V CC LPF 120µ/70µ – 2 – CXA2509AQ MSMODE 19 DRSW MS MODE 18 TAPESW 17 INSW ON/ OFF DET 14 MSOUT 13 DGND 12 MSTC 11 G1FB 24dB 9 10 ...
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... I 40k 27 40k 5 26 VGS 100k — 100k 6 147 64p – 3 – CXA2509AQ = 8.0V 5.0V Description Vcc 40k Resistance for selecting the 5k playback equalizer amplifier time constant GND Vcc Playback equalizer amplifier output GND Power supply Vcc TAPE input ...
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... DGND — — DVcc 100k O — 14 DGND – 4 – CXA2509AQ Description Vcc Line output GND Vcc Music signal 500 interval detection level setting 500 GND Vcc Time constant for detecting the music signal interval 10k ...
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... I 100k 19 100k 1.1k I 100k 20 100k 1.1k 100k I 21 100k – 5 – CXA2509AQ Description Line amplifier input Vcc select control Low (open): TAPEIN High: AUXIN Playback equalizer amplifier control Low (open): 120µs High: 70µs DGND Head select control Low (open): GND FORWARD ...
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... I — 50p — PBREF 200 O — 33 200 38 – 6 – CXA2509AQ Description Vcc Resistance for setting the reference current (Connects 20 (18) k between DIREF pin and GND for the standard setting.) GND Ground Playback equalizer amplifier Vcc feedback Playback ...
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... Symbol No 4.0V — 35 VCT 36 PBGND 0.0V — — — I/O I/O Equivalent circuit resistance 147 O — 35 45k — — — — – 7 – CXA2509AQ Description Vcc 30k Center (V /2 VGS CC 1 output) 30k GND Playback equalizer amplifier ground (Connect to ground.) No connected ...
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... No signal, 70µs mode 680 , CCIR/ARM filter used No signal, 120µs mode 680 , difference from VCT PBIN 1kHz –52dBm, 120µs mode, 1kHz BPF used PBIN 1kHz –52dBm, 120µs mode, 1kHz BPF used – 8 – CXA2509AQ (Ta = 25° 8.0V 5.0V Min. Max. Unit Typ ...
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... No signal, MS OFF, G1 mode TAPEIN 5kHz –30dBm, MS ON, G1 mode, 1mA applied to MSOUT pin Input voltage of INSW, TAPESW, DRSW, MSMODE, MSSW Input voltage of INSW, TAPESW, DRSW, MSMODE, MSSW external resistor connected to AUXIN1 – 9 – CXA2509AQ Min. Typ. Max. Unit –40.0 –43.0 –37.0 dBm – ...
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... C11 C13 C15 C16 1µ 1µ 270p 2.2µ R22 3.9k C18 0.47µ – 10 – CXA2509AQ R35 10k S23 R34 100 S22 R33 10k S21 R32 100 S20 R31 10k S19 DC Voltmeter 0dB or 30dB Amp MSSW R36 OFF: 0dB S24 ...
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... C13 C9 C11 C14 R10 0.001µ 2.2µ 2.2µ 2.2µ 12k GND 33k AUXIN1 LINEOUT1 22µ GND – 11 – CXA2509AQ 22 21 MSMODE 20 From Microcomputer DRSW 19 TAPESW 18 INSW R19 MS ON 100k OFF MSOUT DET To Microcomputer ...
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... C13 C9 C11 C14 R10 0.001µ 2.2µ 2.2µ 2.2µ 12k R7 GND 300k AUXIN1 LINEOUT1 22µ GND – 12 – CXA2509AQ 22 21 MSMODE 20 From Microcomputer DRSW 19 TAPESW 18 INSW R17 MS ON 100k OFF MSOUT To Microcomputer DET 14 ...
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... AMP2 is an input selector and a line amplifier. The gain is 24dB. The line amplifier reference output level is –6dBm. 24dB 24dB TAPE AUX AMP2 PBOUT AUXIN TAPEIN LINEOUT (–30dBm) (–6dBm line amplifier reference output level) Fig. 1. Signal route block diagram – 13 – CXA2509AQ ...
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... TEAC Corporation, Japan (part no. MTT150) 6. TEAC Corporation of America (part no. MTT150) 7. Victor Company of Japan, Ltd. (part no. TMT-6130, VTT-727) 8. Sony Corporation (part no. TY-256) –30dBm PBOUT TAPEIN AUXIN PBOUT VR adjustment –30dBm TAPEIN AUXIN – 14 – CXA2509AQ –6dBm (Dolby level) LINEOUT –30dBm –6dBm (Dolby level) LINEOUT –30dBm ...
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... Fig. 3. Playback equalizer amplifier block diagram The CXA2509AQ achieves the frequency response of Fig.4 with the circuit configuration shown in Fig. 3. Two systems (FORWARD and REVERSE) of playback head input are provided for each channel. The FORWARD input pin is selected when DRSW (Pin 19) is Low; REVERSE is selected when DRSW is High ...
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... G2FB Fig. 5. Music sensor block diagram Music signal interval Music signal detection level detection level –39.5dBm –59.5dBm G1 (FF) G2 (NOR) 87 870 Frequency (Hz) – 16 – CXA2509AQ Vcc DVcc R11 MSOUT Smoother AMP3 11.1k DGND DGND MSTC R10 C4 Cut-off frequency – ...
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... Operating mode control method The CXA2509AQ has a playback equalizer amplifier select switch (TAPESW), head input select switch (DRSW), music sensor mode select switch (MSMODE) and music sensor switch (MSSW). The operating modes for each switch are shown in the following table. Pin No. ...
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... Ta = 25°C No input signal MS ON 10.0 11.0 PBFIN1 Ta = 25°C 47µ PBREF 120µs 70µs 10k Fig. 7. Measurement circuit of playback equalizer amplifier frequency response Ta = 25°C = 8.0V CC AUX IN1 10K – 18 – CXA2509AQ 680 70µs PBFB1 PBEQ1 PBOUT1 18k 0.01µ 12k 300k 2.2µ 270 PBREF ...
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... Ripple rejection ratio (LINEOUT) – 25° –30 –40 –50 10k – 19 – CXA2509AQ Ta = 25°C = 8.0V TAPEIN1 = 2. 10kHz f = 100Hz f = 1kHz –6 – Output level [dB 25°C = 8.0V = 2.7k L 100 1k 10k Frequency [Hz] ...
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... Music signal interval detection level –60 –70 1k 10k HPF connection resistance [ ] 2ch) PBFIN1 47µ 680 PBEQ1 PBREF 10k PBREF Fig. 8. Measurement circuit of crosstalk between channels Ta = 25°C G1 10k Ta = 25°C 100k – 20 – CXA2509AQ 24dB PBOUT1 TAPEIN1 LINEOUT1 12k 2.2µ 300k 270 ...
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... This product uses S-PdPPF (Sony Spec.-Palladium Pre-Plated Lead Frame). 40PIN QFP (PLASTIC) 9.0 ± 0.4 + 0.4 7.0 – 0 0.15 0.3 – 0.1 M ± 0.12 PACKAGE STRUCTURE A PACKAGE MATERIAL LEAD TREATMENT LEAD MATERIAL PACKAGE MASS – 21 – CXA2509AQ + 0.35 1.5 – 0.15 + 0.1 0.127 – 0.05 0.1 A EPOXY RESIN SOLDER / PALLADIUM PLATING 42/COPPER ALLOY 0.2g ...