HA12207NT HITACHI, HA12207NT Datasheet

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... Audio Signal Processor for Cassette Deck Description HA12207NT is silicon monolithic bipolar IC providing PB equalizer, REC equalizer system and each electronic control switch in one chip. Functions PB equalizer 2 channel REC equalizer 2 channel Each electronic control switch to change REC/PB etc. REC MUTE REC head return switch Features REC equalizer is very small number of external parts, built-in 2 types of frequency characteristics ...

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... HA12207NT Pin Description, Equivalent Circuit (V The value in the table show typical value.) Pin No. Pin Name Note RECOUT ( Vref 3 RECOUT (R) 4 REC-RETURN V = Vref V ’= Vref 5 PB-IN B (L) 6 PB-IN B (R) 7 VREF V = Vref V’ PB- Vref 9 PB-IN A (R) Rev.3, Jun. 1999, page 10.5V, Vref = 5.6V 25°C, No signal, ...

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... PB-EQ (R) 20 REC IN ( Vref 21 REC IN (L) 14 PBOUT ( Vref 15 PBOUT (L) = 10.5V, Vref = 5.6V 25°C, No signal, CC Equivalent Circuit V CC PB-IN 330k 180 7 PBOUT GND V CC 100k Vref GND Rev.3, Jun. 1999, page HA12207NT Pin Description PB EQ feed back NAB output REC-EQ input V PB output ...

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... HA12207NT Pin Description, Equivalent Circuit (V The value in the table show typical value.) Pin No. Pin Name Note A HSP MUTE 18 19 IREF V = 1.9V 22 GND Rev.3, Jun. 1999, page 10.5V, Vref = 5.6V 25°C, No signal, CC Equivalent Circuit I 22k 100k V Pin Description V Mode control input CC GND ...

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... Block Diagram R PB-OUT ) ( ( L PB-OUT ) /B HSP IREF R REC- REC-IN ) REC-RETURN REC-EQ R- REC-OUT ) L- REC-OUT ) HA12207NT VREF Rev.3, Jun. 1999, page ...

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... HA12207NT Parallel Data Format Pin No. Pin Name 17 HSP A/B 16 MUTE 18 Note: Unforced pin state Rev.3, Jun. 1999, page Normal * Hi speed Ain active * Bin active Return Return SW OFF REC OUT active * REC OUT HIZ MUTE ON * MUTE OFF ...

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... Functional Description Power Supply Range HA12207NT is designed to operate on single supply, shown by table 1. Table 1 Supply Voltage Item Single Supply Reference Voltage As AC reference (Vref) of this IC has not a current drivability, Vref fluctuates by A/B switching of PB-EQ. Provided it causes you anxiety, please supply 7 pin with approximate 1/2 V For example, a suitable circuit is shown by figure 1 ...

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... HA12207NT Operating Mode Control HA12207NT provides fully electronic switching circuits. And each operating mode control is controlled by parallel data (DC voltage). Table 2 shows the control voltage of each control input pin. Table 2 Control Voltage (Vth) Pin No. Lo 16, 17 0.0 to 1.0 18 0.0 to 3.0 Note: 1. Each pin is pulled down with 100k open ...

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... In case the change of the frequency characteristics are necessary, please inquire the responsible agent because the adjustment of resistors is necessary. 300mV (Dolby level) 63.6mV 0.6mV Figure 3 PB Level Block Diagram (Normal Speed, 1kHz) 40.5dB PB-EQ HA12207NT HA12134A 20dB Dolby IC Rev.3, Jun. 1999, page ...

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... Absolute Maximum Rating (Ta = 25°C) Item Symbol Max supply voltage V Power dissipation Pd Operating temperature Topr Storage temperature Tstg Operating voltage Vopr Note: HA12207NT operates on single supply voltage. Rev.3, Jun. 1999, page 1kHz REC - EQ Rating max 16 CC 500 –40 to +75 –55 to +125 9 REC - EQ Clip level ...

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... Electrical Characteristics (Ta = 25° 10.5V, Vref = 5.25V) CC Rev.3, Jun. 1999, page HA12207NT ...

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... HA12207NT Electrical Characteristics (Ta = 25°C, V Rev.3, Jun. 1999, page 10.5V, Vref = 5.25V) (cont) CC ...

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... Test Circuit Ain Bin Nor Hi Mute NotMute EQ(R) PB PB-NF(R) EQ(L) PB PB-NF(L) PB-OUT(R) A(R) PB-OUT(L) A(L) /B VREF IREF B(R) B(L) IREF REC-RETURN REC-IN(R) (R) REC-OUT REC-IN(L) (L) REC-OUT CC GND V HA12207NT Rev.3, Jun. 1999, page ...

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... HA12207NT Characteristic Curves Ain/Bin Rev.3, Jun. 1999, page Quiescent Current vs. Supply Voltage Ain, Normal speed Ain, High speed Bin, Normal speed Bin, High speed 10 12 Supply Voltage (V) V vs. Supply Voltage ( Check level 0.5dB 10 12 Supply Voltage ( ...

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... V vs. Supply Voltage ( Speed Normal/High Check level 0.5dB Supply Voltage (V) V vs. Supply Voltage ( Mute ON/OFF Check level 0.5dB Supply Voltage (V) HA12207NT Rev.3, Jun. 1999, page ...

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... HA12207NT Altered Reference Voltage vs. External Impedance 500 V Vref 400 R 300 200 100 0 100 500 0 RIN=60mVrms=0dB V =10.5V CC –20 –40 –60 –80 –100 10 100 Rev.3, Jun. 1999, page =10.5V CC Normal speed 1k 5k 10k External Bleeder Resistor REC-EQ PB-EQ Mode Crosstalk vs. Frequency Normal speed ...

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... PBOUT=100mVrms=0dB V =10.5V CC –20 –40 –60 –80 –100 10 100 Ripple Rejection Ratio vs. Frequency (1) 0 Ain V =10.5V CC –20 –40 –60 –80 –100 10 100 High speed Normal speed 1k 10k 100k Frequency (Hz) 1k 10k 100k Frequency (Hz) Rev.3, Jun. 1999, page HA12207NT 1M High speed Normal speed 1M ...

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... HA12207NT 0 V =10.5V CC –10 –20 –30 –40 –50 10 100 Rev.3, Jun. 1999, page Ripple Rejection Ratio vs. Frequency (2) Normal speed 1k 10k Frequency (Hz) PB-EQ Gain vs. Frequency 100 1k Frequency (Hz) High speed 100k 1M Ain=Vin=0.6mVrms V =10.5V CC Normal speed High speed 10k 100k ...

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... H.P.F. + 30kHz L.P.F) 10kHz (400Hz H.P.F. + 80kHz L.P.F) 4.0 Normal speed 3.5 3.0 2.5 2.0 1.5 1 Supply Voltage (V) Noise Voltage vs. Supply Voltage Supply Voltage (V) HA12207NT 14 16 Normal speed DIN-AUDIO High speed Normal speed CCIR/ARM High speed 14 16 Rev.3, Jun. 1999, page ...

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... HA12207NT PB-EQ Total Harmonic Distortion vs. Output Level Normal speed, V 1.0 0.1 0.01 –20 0 Vin=+20dB=6mVrms V =10.5V CC –20 –40 –60 –80 –100 10 100 Rev.3, Jun. 1999, page 100Hz (30kHz L.P.F.) 1kHz (400Hz H.P.F. + 30kHz L.P.F) 10kHz (400Hz H.P.F. + 80kHz L.P.F) =10.5V CC –10 ...

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... PB-EQ Crosstalk (Bin Ain) vs. Frequency 0 Vin=+20dB=6mVrms V =10.5V CC –20 –40 –60 –80 –100 10 100 PB-EQ Channel Separation (Lch Rch) vs. Frequency 0 –20 –40 –60 –80 –100 10 100 Normal speed High speed 1k 10k 100k Frequency (Hz) Normal speed 1k 10k 100k Frequency (Hz) Rev.3, Jun. 1999, page HA12207NT 1M High speed 1M ...

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... HA12207NT PB-EQ Channel Separation (Rch Lch) vs. Frequency 0 –20 –40 –60 –80 –100 10 100 40 V =10.5V CC Vin=10mVrms 100 Rev.3, Jun. 1999, page 10k Frequency (Hz) REC-EQ Gain vs. Frequency Normal speed 500 1k 5k Frequency (Hz) Normal speed High speed 100k 1M High speed 10k 50k 100k ...

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... L.P.F.) 1kHz (400Hz H.P.F. + 30kHz L.P.F) 10kHz (400Hz H.P.F. + 80kHz L.P.F) 4.0 Normal speed 3.5 3.0 2.5 2.0 1.5 1 Supply Voltage (V) Signal to Noise Ratio vs. Supply Voltage 70 Vin=10mVrms A-WTG Supply Voltage (V) HA12207NT 14 16 High speed Normal speed 14 16 Rev.3, Jun. 1999, page ...

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... HA12207NT REC-EQ Total Harmonic Distortion vs. Output Level 10 Normal speed, V 1.0 0.1 0.01 –20 REC-EQ Channel Separation (Lch Rch) vs. Frequency 0 –20 –40 –60 –80 –100 100 Rev.3, Jun. 1999, page 100Hz (30kHz L.P.F.) 1kHz (400Hz H.P.F. + 30kHz L.P.F) 10kHz (400Hz H.P.F. + 80kHz L.P.F) =10 ...

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... REC-RETURN SW Resistor vs. Input Level 200 V =10.5V CC 820 175 20 10 – 150 R.Return Bin 125 100 –40 –30 10k 100k Frequency (Hz) 100 V 820 Vin=775mVrms f=100, 1k, 10kHz –20 –10 0 Input Level (dBm) Rev.3, Jun. 1999, page HA12207NT 1M 10 ...

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... HA12207NT Package Dimensions 22 1 0.89 1.17 Max 1.78 ± 0.25 Rev.3, Jun. 1999, page 19.2 20.32 Max 12 11 1.0 0.48 ± 0.10 Hitachi Code JEDEC EIAJ Weight (reference value) Unit: mm 7.62 + 0.10 0.25 – 0.05 0˚ – 15˚ DP-22NS — Conforms ...

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... URL : http://www.hitachi.com.hk 4/F, No. 167, Tun Hwa North Road, Hung-Kuo Building, Taipei (105), Taiwan Tel : <886>-(2)-2718-3666 Fax : <886>-(2)-2718-8180 Telex : 23222 HAS-TP URL : http://www.hitachi.com.tw Copyright Hitachi, Ltd., 2000. All rights reserved. Printed in Japan. Rev.3, Jun. 1999, page HA12207NT Colophon 2.0 ...