TA8776N

TA8776N TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA8776N SURROUND PROCESSOR FOR A CTV TA8776N is a surround processor controlled I2C bus. It incorporates following functions on a 30pin dual-in-line shrink-type plastic package. FEATURES Surround circuit l Sumilated Surround l Hall Ambience l Dolby Surround (Input Terminal) l 3D Center Output (L + R) for a super woofer. l Surround Output (L − R) 2 Sound processor circuit l Input Switch l Volume Adj. l Balance Adj l Surround Level Adj l Bass Adj. l Treble Adj. Weight: 1.99g (Typ.) I C interface l Filter Adj. by Bus line l DAC Output (2ch) BLOCK DIAGRAM 000707EBA2 · TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc.. 2001-01-15 1/15 TA8776N TERMINAL FUNCTION PIN No. NAME FUNCTION INTERFACE CIRCUIT 1 2 3 4 φ4 φ3 φ2 φ1 Terminals for capacitors of the phase shifter blocks. Value of phase shift in each block is φ [deg.] = −2tan −1 (2πfCR) C is capacitance of external capacitor. R is resistance of internal register (10kΩ (Typ.)). 5 6 7 Dolby In L In R In Input terminals. "L In" is for L-ch signal. "R In" is for R-ch signal. "Dolby In" is for decoded Dolby Signal. Terminal for tone control block. 8 Filter Adj. Cross-over frequency is set by sink current of this terminal. If 390kΩ connect, cross-over frequency is about 1kHz. 9 10 TP (R) TP (L) Terminals for capacitors for offset cancel circuits. 11 18 Bass Filter Treble Filter Terminals for tone control block. Control current is smoothed by external capacitors. 000707EBA2 · The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made at the customer’s own risk. · The products described in this document are subject to the foreign exchange and foreign trade laws. · The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. · The information contained herein is subject to change without notice. 2001-01-15 2/15 TA8776N PIN No. NAME FUNCTION INTERFACE CIRCUIT Input terminal for muting. 12 Mute Applied voltage more than 2V to this terminal, Muting is active. 13 14 L − R Filter L + R Filter Terminals for level control blocks. Control current is smoothed by external capacitors. 15 16 17 VCC 12V VCC 9V GND (Analogue) VCC (12V) VCC (9V) Gnd for Analogue ― ― ― 19 20 21 22 R Out. L Out. L − R Out. L + R Out. Output terminals. 23 24 DAC 1 DAC 2 Open collector switches controlled by I C bus. 2 Terminal for surround L.P.F. block. Cut-off frequency of the surround L.P.F. is set by external capacitor. 25 Sorround L.P.F. fc = 1 Hz 2 F RC R is registance of internal register (10kΩ (Typ.)). C is capacitance of external capacitor. 2001-01-15 3/15 TA8776N PIN No. NAME FUNCTION INTERFACE CIRCUIT 26 Balance Filter Terminal for balance control block. Control current is smoothed by external capacitor. Terminal for volume control block. 27 Volume Filter Control current is smoothed by external capacitor. 28 SDA Terminal for SDA. 29 SCL Terminal for SCL. 30 GND (Digital) Gnd for Digital. ― 2001-01-15 4/15 TA8776N I C BUS CONTROL l Main Address 80 (h) : (h) = Hexa Decimal l Sub Address 2 Function-sub address reference table FUNCTION BASS Treble Volume L−R L+R Balance Surround / DAC Input Mode Mute Filter Adjustment SUB ADDRESS 01 (h) 02 (h) 03 (h) 04 (h) 05 (h) 06 (h) 07 (h) 08 (h) 09 (h) 32 (h) 32 (h) 0 (h) 0 (h) 0 (h) 32 (h) F0 (h) 3 (h) 0 (h) POWER ON DEFAULT (Center) (Center) (Minimum) (Minimum) (Minimum) (Center) (Normal / DAC1, 2 L / Surr. Off) (L − R Mute, L + R Mute) (Minimum) ― ― 0~0F (h) 0~64 (h) EFFECTIVE DATA RANGE Mode explanation (Input mode : normal) MODE OFF MONO B1 STEREO A1 STEREO B1 DOLBY MONO B2 STEREO A2 STEREO B2 MONO B3 STEREO A3 STEREO B3 OUTPUT Lout L M − k (M) 4φ L+k (L − R) φ L+k (L − R) 4φ L M − (M) 4φ L + (L−R) φ L + (L−R) 4φ M L L Rout R M + k (M) 4φ R − k (L − R) φ R − k (L − R) 4φ R M + (M) 4φ R − (L − R) φ R − (L − R) 4φ M R R (L−R) out ― −k (M) 4φ k (L − R) φ k (L − R) 4φ k·D −k (M) 4φ k (L − R) φ k (L − R) 4φ −k (M) 4φ k (L − R) φ k (L − R) 4φ (L+R) out L+R M L+R L+R L+R M L+R L+R M L+R L+R M D k ()φ ( ) 4φ : : : : : Monoural Input Signal Dolby Surround Input Signal Co-efficient Phase Shifted φ Phase Shifted 4φ 2001-01-15 5/15 TA8776N Data input mode reference table [Sub Address : 07 (h)] DATA MSB LSB MODE Normal L R Reverse OUTPUT Lout L L R R Rout R L R L × : Don’t care × × × × ×11×××× ×10×××× ×01×××× ×00×××× Data surround mode reference table [Sub Address : 07 (h)] DATA MSB LSB MODE OFF MONO B1 STEREO A1 STEREO B1 DOLBY MONO B2 STEREO A2 STEREO B2 (OFF) MONO B3 STEREO A3 STEREO B3 (OFF) (OFF) (OFF) (OFF) INTERNAL SWITCH SW 1 ON OFF ON ON ON OFF ON ON ON OFF ON ON ON ON ON ON SW 2 φ 4φ φ 4φ φ 4φ φ 4φ φ 4φ φ 4φ φ φ φ φ SW 3 1 2 2 2 3 2 2 2 1 2 2 2 1 1 1 1 SW 4 1 2 2 2 1 3 3 3 1 1 1 1 1 1 1 1 × : Don’t care × × × × × × × × × × × × × × × × ×××0000 ×××0001 ×××0010 ×××0011 ×××0100 ×××0101 ×××0110 ×××0111 ×××1000 ×××1001 ×××1010 ×××1011 ×××1100 ×××1101 ×××1110 ×××1111 Data DAC output reference table [Sub Address : 07 (h)] DATA MSB LSB Data mute mode reference table [Sub Address : 08 (h)] DATA Mute 1 LSB OUTPUT* DAC 1 H H L L × : Don’t care * : Open Collector Output DAC 2 H L H L MSB Mute 2 (L − R, L + R) OFF ON ON ON × : Don’t care (L, R) OFF ON OFF ON 0 0 1 1 0×××××× 1×××××× 0×××××× 1×××××× × × × × ×××××00 ×××××01 ×××××10 ×××××11 2001-01-15 6/15 TA8776N I C BUS CONTROLLED FORMAT SUMMARY Bus controlled format of TA8776N is based on I2C Bus Control format of Philips. 2 Data transfer format (1) Start and stop condition (2) Bit transfer (3) Acknowledge (4) Slave address Purchase of TOSHIBA I2C components conveys a license under the Philips I2C Patent Rights to use these components in an I2C system, provided that the system conforms to the I2C Standard Specification as defined by Philips. 2001-01-15 7/15 TA8776N MAXIMUM RATINGS (Ta = 25°C) CHARACTERISTIC Supply Voltage Power Dissipation Operating Temperature Storage Temperature SYMBOL VCC PDmax Topr Tstg RATING 15 1400 (Note 1) −20~65 −55~150 UNIT V mW °C °C Note 1: Note 2: When using the device at above Ta = 25°C, decrease the power dissipation by 12.5mW for each increase of 1°C. As this IC is weak in a surge voltage, handle it with care from being damage. RECOMMENDED SUPPLY VOLTAGE PIN No. 15 16 PIN NAME VCC 12V VCC 9V MIN 10.8 8.1 TYP. 12.0 9.0 MAX 13.2 9.9 UNIT V V ELECTRICAL CHARACTERISTICS DC voltage characteristics (VCCPin15 = 12V, VCCPin16 = 9V, Ta = 25°C) PIN No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 18 19 20 21 22 23 24 25 26 27 φ4 φ3 φ2 φ1 DOLBY In L In R In Filter Adj. TP R TP L BASS Filter Mute L − R Filter L + R Filter Treble Filter R Out L Out L − R Out L + R Out DAC1 out (ON) DAC2 out (ON) Surround L.P.F. Balance Filter Volume Filter PIN NAME SYMBOL V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 V11 V12 V13 V14 V18 V19 V20 V21 V22 V23 V24 V25 V26 V27 MIN 3.9 3.9 3.9 3.9 3.9 3.9 3.9 1.4 3.7 3.7 3.9 ― 3.6 3.6 3.9 4.5 4.5 4.5 4.5 TYP. 4.4 4.4 4.4 4.4 4.4 4.4 4.4 1.9 4.2 4.2 4.4 0.0 4.1 4.1 4.4 5.0 5.0 5.0 5.0 0.1 0.1 4.2 6.0 3.5 MAX 4.9 4.9 4.9 4.9 4.9 4.9 4.9 2.4 4.2 4.2 4.9 0.5 4.6 4.6 4.9 5.5 5.5 5.5 5.5 0.4 0.4 4.7 6.5 4.0 UNIT V V V V V V V V V V V V V V V V V V V V V V V V ― ― 3.7 5.5 3.0 2001-01-15 8/15 TA8776N DC CURRENT CHARACTERISTICS (VCCPin15 = 12V, VCCPin16 = 9V, Ta = 25°C) PIN No. 15 16 PIN NAME VCC 12V VCC 9V SYMBOL I15 I16 MIN 8.0 22.0 TYP. 17.0 45.0 MAX 25.0 68.0 UNIT mA mA AC CHARACTERISTICS (Unless otherwise specified VCCpin15 = 12V, VCCpin16 = 9V, Ta = 25°C) CHARACTERISTIC SYMBOL L-ch R-ch Gain L−R Dolby L+R L-ch R-ch Total Harmonic Distortion THD L−R Dolby L+R L-ch R-ch S/N L−R Dolby L+R Surround Sound Phase L-ch Frequency Characteristics (100Hz) R-ch L−R Dolby L-ch Frequency Characteristics (10kHz) R-ch L−R Dolby L+R Balance (Center) Balance (Max.) L-ch R-ch L-ch R-ch F Max F Min ― ― (Note 7) (Note 8) ― (Note 6) −2.0 −13.0 −2.0 −7.0 −2.0 1.0 0 −11.0 0 −6.0 0 1.9 2.0 −9.0 2.0 −5.0 2.0 3.0 dB dB dB ― (Note 5) −2.0 0 2.0 dB ― (Note 4) −345 −300 −245 ° ― (Note 3) 55 60 ― dB ― (Note 2) ― 0.25 1.1 % 3.0 5.0 7.0 ― (Note 1) −2.0 0.0 2.0 TEST CIRCUIT TEST CONDITION MIN TYP. MAX UNIT dB Balance (Min.) Filter (Min.) Filter (Min.) ― ― ― (Note 9) (Note 10) (Note 11) ― 1.3 0.4 −60 1.6 0.6 −50 1.9 0.8 dB kHz kHz 2001-01-15 9/15 TA8776N CHARACTERISTIC SYMBOL L-ch R-ch L-ch R-ch L-ch R-ch L-ch R-ch TEST CIRCUIT ― TEST CONDITION (Note 12) MIN TYP. MAX UNIT Treble (Max.) 5.0 8.0 10.0 dB Treble (Min.) ― (Note 13) −10.0 −8.0 −5.0 dB BASS (Max.) ― (Note 14) 5.0 8.0 10.0 dB BASS (Min.) Mute On Voltage ― ― (Note 15) (Note 16) −10.0 1.0 50 −8.0 1.4 ― −5.0 1.8 ― dB V L-ch → R-ch R-ch → L-ch Crosstalk L-ch, R-ch → Dolby Dolby → L-ch Dolby → R-ch Dynamic Range (1) L-ch R-ch L-ch R-ch L-ch R-ch L−R Dynamic Range (4) L+R Dolby Surround Switch Offset L-ch Mute DC Offset R-ch L−R L+R ― (Note 23) ― (Note 22) ― (Note 21) ― (Note 18) ― (Note 17) dB 40 ― ― 5.6 ― ― Vp-p Dynamic Range (2) ― (Note 19) 4.0 ― ― Vp-p Dynamic Range (3) ― (Note 20) 1.6 5.6 5.0 5.6 ― ― ― ― ― ― ― ― ― ― 200 Vp-p Vp-p mV ― ― 600 mV 2001-01-15 10/15 TA8776N TEST CONDITION CONDITION NOTE CHARACTERISTICS L-ch R-ch 1 Gain L−R Dolby L+R L-ch R-ch 2 THD L−R Dolby L+R L-ch R-ch 3 S/N L−R Dolby L+R Cen Cen Max Max Max Cen Cen Cen Max Max Max Cen Cen Cen Max Max Max Cen Bass 01h Tre 02h Vol 03h Lev 1 Lev 2 04h 05h Bal 06h Mode 07h Off Hall Dolby ― Off Hall Dolby ― Off Hall Dolby ― Fil 09h INPUT SIGNAL MEASUREMENT METHOD Min 1kHz, 500mVrms 20ℓog vo / vi Min 1kHz, 500mVrms Measure THD. 60Hz, 500mVrms Min 1kHz, 500mVrms Ref. level : vo with no signal input 60Hz, 500mVrms Min 400Hz, 500mVrms vi-L − R 4 Surround Phase L-ch freq.Response [100Hz] R-ch L−R Dolby L+R L-ch freq.Response [10Hz] R-ch L−R Dolby L+R Cen Cen Max Max Max Cen Hall Off 1kHz / Min 100Hz, 500mVrms 5 Cen Cen Max Max Max Cen Hall Dolby ― Off Ref Pin 25 : vi (1kHz) : OPEN 1kHz / Min 10Hz, 500mVrms Ref. Pin 25 :vo (1kHz) :5600pF to GND 6 Cen Cen Max Max Max Cen Hall Dolby ― 7 Balance Center L-ch R-ch L-ch R-ch Cen Cen Max Max Max Cen Min Max Max Min Cen Off Min 1kHz, 500mVrms 1kHz, 500mVrms 1kHz, 500mVrms 0.3~2kHz, 500mVrms 0.3~2kHz, 500mVrms 20log Vout (L - ch) Vout (R - ch) 8 Balance [Max] Cen Cen Max Max Max Off Min Ref. : Bal Center 9 Balance [Min] Cen Cen Max Max Max Off Min Ref. : Bal Center Freq. vo becomes Max Freq. vo becomes Max 10 Filter [Min] Min Min Max Max Max Off Max 11 Filter [Max] Min Min Max Max Max Cen Off Min 2001-01-15 11/15 TA8776N CONDITION NOTE CHARACTERISTICS L-ch R-ch 13 Treble [Max] L-ch R-ch 14 Bass[Max] L-ch R-ch 15 Bass[Min] L-ch R-ch Min Cen Max Max Max Cen Off Min Max Cen Max Max Max Cen Off Min Cen Min Max Max Max Cen Off Min Bass 01h Cen Tre 02h Max Vol 03h Max Lev 1 Lev 2 04h Max 05h Max Bal 06h Cen Mode 07h Off Fil 09h Min INPUT SIGNAL 1kHz / 10kHz, 500mVrms 1kHz / 10kHz, 500mVrms 1kHz / 100kHz, 500mVrms 1kHz / 100kHz, 500mVrms 1kHz / 500mVrms MEASUREMENT METHOD Ref : vo (1kHz) 12 Treble [Min] Treble: Center Ref : vo (1kHz) Treble: Center Ref : vo (1kHz) Bass : Center Ref : vo (1kHz) Bass : Center 16 Mute On Voltage Cen Cen Max Max Max Cen Off Min Ref : L-ch input level Mes : R-ch output level Ref Crosstalk L-ch → R-ch R-ch → L-ch 17 L, R-ch → Dolby Min Cen Max Max Max Cen Off Min 1kHz / 500mVrms : R-ch input level Mes : L-ch output level Ref : L-ch or R-ch input level Dolby → L-ch Mes : L-R output level Ref : D input level Dolby → R-ch Mes : L-ch output level Ref : D inptut level Mes : R-ch output level D Range (1) 18 L-ch R-ch D Range (2) 19 L-ch R-ch D Range (3) 20 L-ch R-ch D Range (4) 21 L−R L+R Dolby Cen Cen Max Max Max Cen Max Max Max Max Max Cen Simulate Measure input level when THD = 3%. Max Max Max Max Max Cen Off Adj. 1kHz Measure input level when THD = 3%. Cen Cen Max Max Max Cen Off Adj. 1kHz Measure input level when THD = 3%. Adj. 1kHz Hall ― Dolby Adj. 1kHz Measure input level when THD = 3%. 2001-01-15 12/15 TA8776N CONDITION NOTE CHARACTERISTICS Bass 01h Cen Tre 02h Cen Vol 03h Max Lev 1 Lev 2 04h Max 05h Max Bal 06h Cen Mode 07h ― Fil 09h INPUT SIGNAL MEASUREMENT METHOD Measure offset level between some surround mode and other surround mode Measure offset level between muting mode and normal mode 22 Surround SW Offset Min AC GND Mute DC 23 L-ch R-ch Cen Cen Max Max Max Cen Off Hall ― Min AC GND Offset L−R L+R 2001-01-15 13/15 TA8776N APPLICATION EXAMPLE CIRCUIT 2001-01-15 14/15 TA8776N PACKAGE DIMENSIONS Weight: 1.99g (Typ.) 2001-01-15 15/15