HA12134A HITACHI, HA12134A Datasheet
HA12134A
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HA12134A Summary of contents
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... Dolby B-Type Noise Reduction System Description The HA12134A, HA12135A, HA12136A are silicon monolithic bipolar IC series providing dual channel Dolby B-type noise reduction system* in one chip. The circuit is used primarily to reduce the level of background noise introduced during recording and playback of audio signals on magnetic tape. ...
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... HA12134A, HA12135A, HA12136A Ordering Information Type No HA12134A HA12134AF HA12135A HA12135AF HA12136A HA12136AF Block Diagram GND REC BIAS 1 2 REC Rev.3, Jun. 1999, page Dolby Level (mVrms) 300 450 580 BIAS REC/PB PB OUT BUF SW AMP BUF SW AMP µ 22 µ OUT REF ON/OFF ...
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... Absolute Maximum Ratings (Ta = 25°C, Unless otherwise specified.) Item Supply voltage Power dissipation Operating temperature Storage temperature Lead temperature Note: 1. Soldering 10 sec. HA12134A, HA12135A, HA12136A Symbol Rating Vccmax 16 Pd 250 Topr –40 to +85 Tstg –55 to +125 TI 260 Unit Note 85°C °C ° ...
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... HA12134A, HA12135A, HA12136A Electrical Characteristics (Ta = 25°C, V Item Symbol Operating voltage HA12134A Vope HA12135A HA12136A Quiescent current I Voltage gain of HA12134A G input amp HA12135A HA12136A NR encode boost ENC-1 (9) (NR ON (9) (NR OFF) ENC-1.4 k (2) ENC-5 k (1) ENC-5 k (2) ENC-10 k (1) ENC-10 k (2) T ...
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... SW1 L SW2 OFF ON R REC IN AUDIO SG R1 HP339A 5.1k + EQUIVALENT 1µ SW3 + R2 0.68µ 10k OFF DC POWER SOURCE HA12134A, HA12135A, HA12136A = 12 V, Unless otherwise specified.) (cont) CC Min Typ Max Vorec –50 0 Vcc SW8 REC PB R8 C10 R9 22k 18k 0.22µ BIAS ...
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... HA12134A, HA12135A, HA12136A Pin Description (Ta = 25°C, V value.) Pin No. Symbol R (in) VDC 1, 16 REC 6 — 12 100 k 6 — 6.0 V REF 5 NR ON/OFF — — OUT — 6.0 V Rev.3, Jun. 1999, page signal, The value in the table show typical CC Equivalent circuit 56k ...
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... DET — 1 REC OUT — 6 REC/PB — — 13 BIAS — 1 GND — HA12134A, HA12135A, HA12136A = signal, The value in the table show typical CC Equivalent circuit V CC GND V CC 100 100 GND 1k 100k V CC GND — Description Time constant pin for the ...
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... HA12134A, HA12135A, HA12136A Figure 1 Quiescent Current vs. Supply Voltage 3.0 2.5 2.0 1.5 1.0 0.5 0 Figure 2 REC/PB Control Voltage vs. Supply Voltage Rev.3, Jun. 1999, page Signal HA12134A/5A/ Supply voltage Vcc [V] HA12134A/5A/ Supply voltage Vcc [ ...
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... Supply voltage Vcc [V] Figure 3 NR-ON/OFF Control Voltage vs. Supply Voltage 12 HA12136A 100 200 500 Frequency [Hz] Figure 4 Encode Boost vs. Frequency HA12134A, HA12135A, HA12136A HA12134A/5A/ –40 dB 9.5 V –30 dB –20 dB – 100 k Rev.3, Jun. 1999, page ...
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... HA12134A, HA12135A, HA12136A HA12136A 100 300 600 1 k Figure 5 REC Mode Output Gain vs. Frequency HA12136A 100 300 600 1 k Figure 6 PB Mode Output Gain vs. Frequency Rev.3, Jun. 1999, page 100 Frequency [Hz 100 Frequency [Hz] PB Out NR–ON/OFF REC Out NR–OFF 300 k 600 REC Out NR– ...
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... Frequency [Hz] Figure 7 REC Mode Ripple Rejection Ratio vs. Frequency HA12136A –10 –20 –30 –40 –50 100 200 400 Frequency [Hz] Figure 8 PB Mode Ripple Rejection Ratio vs. Frequency HA12134A, HA12135A, HA12136A NR–ON NR–OFF NR–OFF NR– Rev.3, Jun. 1999, page ...
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... HA12134A, HA12135A, HA12136A 10 HA12136A 3 1.0 0.3 0.1 0.03 0.01 –25 Figure 9 REC NR-OFF Total Harmonic Distortion vs. Output Level 10 HA12136A 3 1.0 0.3 0.1 0.03 0.01 –25 Figure 10 REC NR-ON Total Harmonic Distortion vs. Output Level Rev.3, Jun. 1999, page kHz 100 Hz 1 kHz – ...
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... Figure 11 PB NR-OFF Total Harmonic Distortion vs. Output Level 10 HA12136A 3 1.0 0.3 0.1 0.03 1 kHz 0.01 –30 –25 –20 –15 –10 Figure 12 PB NR-ON Total Harmonic Distortion vs. Output Level HA12134A, HA12135A, HA12136A 100 Hz 10 kHz – [dB] out 100 Hz 10 kHz – ...
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... HA12134A, HA12135A, HA12136A Figure 13 Maximum Output Level vs. Supply Voltage Figure 14 REC/PB Signal To Noise Ratio vs. Supply Voltage Rev.3, Jun. 1999, page HA12136A PB NR- Supply voltage V CC HA12136A PB NR-ON REC NR-OFF PB NR-OFF REC NR- Supply voltage V [V] CC REC NR-OFF PB NR-OFF REC NR- [ ...
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... Frequency [Hz] Figure 15 Encode Boost vs. Frequency HA12135A 100 300 600 Frequency [Hz] Figure 16 REC Mode Output Gain vs. Frequency HA12134A, HA12135A, HA12136A –40 dB 8.0 V –30 dB –20 dB – 100 k PB Out NR–ON/OFF REC Out NR–OFF 100 Rev.3, Jun. 1999, page 300 k 600 ...
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... HA12134A, HA12135A, HA12136A HA12135A 100 300 600 1 k Figure 17 PB Mode Output Gain vs. Frequency –10 –20 –30 –40 –50 100 Figure 18 REC Mode Ripple Rejection Ratio vs. Frequency Rev.3, Jun. 1999, page Frequency [Hz] HA12135A NR–ON NR–OFF 200 400 Frequency [Hz] REC Out NR–ON PB– ...
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... Figure 19 PB Mode Ripple Rejection Ratio vs. Frequency 10 HA12135A 3 1.0 0.3 0.1 0.03 1 kHz 0.01 –20 –15 –10 –5 Figure 20 REC NR-OFF Total Harmonic Distortion vs. Output Level HA12134A, HA12135A, HA12136A NR–OFF NR– Frequency [Hz kHz 100 [dB] out Rev.3, Jun. 1999, page ...
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... HA12134A, HA12135A, HA12136A 10 HA12135A 3 1.0 0.3 0.1 0.03 0.01 –20 Figure 21 REC NR-ON total Harmonic Distortion vs. Output Level 10 HA12135A 3 1.0 0.3 0.1 0.03 0.01 –20 Figure 22 PB NR-OFF Total Harmonic Distortion vs. Output Level Rev.3, Jun. 1999, page kHz –15 – –5 ...
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... Figure 23 PB NR-ON Total Harmonic Distortion vs. Output Level 22 HA12135A Supply voltage V Figure 24 Maximum Output Level vs. Supply Voltage HA12134A, HA12135A, HA12136A 100 Hz 10 kHz [dB] out PB NR-ON REC NR-OFF PB NR-OFF REC NR- [V] CC Rev.3, Jun. 1999, page ...
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... HA12134A, HA12135A, HA12136A Figure 25 REC/PB Signal to Noise Ratio vs. Supply Voltage 12 HA12134A 100 200 Rev.3, Jun. 1999, page HA12135A PB NR-ON REC NR-OFF PB NR-OFF REC NR- Supply voltage 500 Frequency [Hz] Figure 26 Encode Boost vs. Frequency –40 dB 6.5 V –30 dB –20 dB – 100 k ...
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... Frequency [Hz] Figure 27 REC Mode Output Gain vs. Frequency HA12134A 100 300 600 Frequency [Hz] Figure 28 PB Mode Output Gain vs. Frequency HA12134A, HA12135A, HA12136A PB Out NR–ON/OFF REC Out NR–OFF 100 k 300 k 600 REC Out NR–ON PB Out NR–OFF REC Out NR–OFF 100 k 300 k 600 Rev ...
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... HA12134A, HA12135A, HA12136A –10 –20 –30 –40 –50 100 Figure 29 REC Mode Ripple Rejection Ratio vs. Frequency –10 –20 –30 –40 –50 100 Figure 30 PB Mode Ripple Rejection Ratio vs. Frequency Rev.3, Jun. 1999, page HA12134A NR–ON NR–OFF 200 400 Frequency [Hz] HA12134A NR–OFF NR– ...
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... Figure 31 REC NR-OFF Total Harmonic Distortion vs. Output Level 10 HA12134A 3 1.0 0.3 0.1 0.03 0.01 –20 –15 –10 –5 Figure 32 REC NR-ON Total Harmonic Distortion vs. Output Level HA12134A, HA12135A, HA12136A kHz 100 [dB] out kHz 100 Hz ...
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... HA12134A, HA12135A, HA12136A 10 HA12134A 3 1.0 0.3 0.1 0.03 0.01 –20 –15 Figure 33 PB NR-OFF Total Harmonic Distortion vs. Output Level 10 HA12134A 3 1.0 0.3 0.1 0.03 0.01 –20 –15 Figure 34 PB NR-ON Total Harmonic Distortion vs. Output Level Rev.3, Jun. 1999, page 100 Hz 1 kHz 10 kHz – ...
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... HA12134A 24 PB NR- Supply voltage V Figure 35 Maximum Output Level vs. Supply Voltage 90 HA12134A 85 PB NR-ON 80 REC NR-OFF 75 PB NR-OFF 70 REC NR- Supply voltage V Figure 36 REC/PB Signal To Noise Ratio vs. Supply Voltage HA12134A, HA12135A, HA12136A REC NR-OFF, PB NR-OFF REC NR- [ [V] CC Rev.3, Jun. 1999, page ...
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... HA12134A, HA12135A, HA12136A Package Dimesnsions 16 1 1.11 Max 2.54 ± 0.25 10.5 Max 16 1 0.80 Max 1.27 *0.42 ± 0.08 0.40 ± 0.06 *Dimension including the plating thickness Base material dimension Rev.3, Jun. 1999, page 19.20 20.00 Max 9 8 1.3 0.48 ± 0.10 ...
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... Lower Cookham Road Maidenhead Berkshire SL6 8YA, United Kingdom Tel: <44> (1628) 585000 Fax: <44> (1628) 778322 HA12134A, HA12135A, HA12136A Hitachi Asia (Hong Kong) Ltd. Hitachi Asia Pte. Ltd. Group III (Electronic Components) 16 Collyer Quay #20-00 7/F., North Tower, World Finance Centre, ...