R2A15908SP

R2A15908SP 5 Input Selector 2ch Electronic Volume with Tone & Surround REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Description The R2A15908SP is an optimum audio signal processor IC for TV. It has a 5ch input selector with mono switch, surround, tone control (2band), input gain control and 2ch master volume. It can control all of these functions with I2C bus. Features • Volume 0 to –87dB, –∞ / 1dB step Each channel is independent control. • 5 input selector + MUTE with mono switch • Input gain control 0dB to +20dB / 2dB step • Tone control Bass : –14dB to +14dB / 2dB step Treble : – 14dB to +14dB / 2dB step • Surround Low / High • Mode selector Bypass / Tone / Tone & Surround • I2C-bus control • Package SOP with 28 pin Application • Mini stereo, TV, etc. Recommended Operating Condition • Supply voltage …… VCC = 9.0V (typ) System Configuration + VCC=9V IN L1 IN L2 IN L3 IN L4 IN L5 Mono /Stereo VolumeL Mode Selector Input Gain Control Tone Control (Bass / Treble) Input Gain Control VolumeR LOUT Surround IN R1 IN R2 IN R3 IN R4 IN R5 ROUT MCU SCL SDA Mode Selector + REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 1 of 13 R2A15908SP Block Diagram and Pin Configuration INR5 INR4 1 Mode Selector + + - 28 27 26 Rch Bass/ Treble ROUT LOUT TRER BASSR1 BASSR2 BASSL2 BASSL1 TREL 2 3 Input Selector Surround INR3 INR2 INR1 INL1 INL2 INL3 5 Mute Tone Control 4 25 24 23 22 21 7 8 Input Selector INL4 INL5 IGOUTL VOLINL IGOUTR VOLINR 9 10 Input Gain Control Tone Control Mono /Stereo Lch Bass/ Treble 6 20 19 MCU I/F Mute Volume DGND SDA SCL AGND REFIN 11 12 13 14 + 0 to +20dB /2dB step 0 to -87dB,-∞ 18 17 REF + - 0 to +20dB /2dB step + - 16 15 Volume 0 to -87dB, -∞ VCC (Top view) REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 2 of 13 R2A15908SP Application Example 1μF 4.7μF INR5 1μF + + + 1μF 1 Mode Selector + + - 28 + 4.7μF 47kΩ ROUT INR4 1μF 2 3 27 + 8200pF 47kΩ LOUT INR3 26 Rch Bass/ Treble Tone Control INR2 + Input Selector Surround 4 5 Mute 25 24 23 22 21 0.068μF 8.2kΩ 0.068uF 1μF INR1 + 1μF 1μF INL2 1μF + + + 1μF 7 8 Input Selector Tone Control Mono /Stereo Lch Bass/ Treble INL1 + 6 0.068μF 8.2kΩ 0.068μF 8200pF INL3 1μF INL4 9 10 Input Gain Control 20 19 SDA MCU I/F Mute Volume INL5 + 11 2.2μF + 12 13 + 0 to +20dB /2dB step 18 SCL 17 10μF REF 0 to -87dB, -∞ 2.2μF + 14 + - 0 to +20dB /2dB step + - 16 15 + Volume 0 to -87dB, -∞ VCC=9V REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 3 of 13 R2A15908SP Equivalent Circuit of Pin Interface Block Pin 1 2 3 4 5 6 7 8 9 10 Pin Name INR5 INR4 INR3 INR2 INR1 INL1 INL2 INL3 INL4 INL5 Equivalent Circuit 50k ref 11 13 27 28 IGOUTL IGOUTR LOUT ROUT 12 14 VOLINL VOLINR R1 R2 ref R1+R2=50kΩ 18 SCL 19 SDA Ack 50k 16 REFIN 50k 15 17 20 VCC AGND DGND REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 4 of 13 R2A15908SP Pin Pin Name Equivalent Circuit 22 25 BASSR1 BASSL1 R3 R2 R2+R3=80kΩ R2 23 24 BASSR2 BASSL2 R3 R2+R3=80kΩ R1 21 26 TRER TREL R2 R1+R2=30kΩ Absolute Maximum Ratings Parameter Power supply Power dissipation Thermal derating Operating temperature Storage temperature Symbol VCC Pd K Topr Tstg Ratings 10 Unit V W mW / °C °C °C Condition Ta ≤ 25°C Ta > 25°C (Circuit board installation) –20 to +75 –40 to +125 REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 5 of 13 R2A15908SP Power on Reset This IC built-in the power on reset function. The voltage of VREF-GND less than 2V, the serial DATA can not accept. (V) VREF - GND 2V (S) Reset time After reset is canceled, the serial DATA can accept. Release of reset. I2C Bus Format MSB LSB MSB LSB MSB LSB S 1 bit Slave Address 8 bit A 1 bit Sub Address 8 bit A 1 bit Data 8 bit A 1 bit P 1 bit S: Starting Term A: Acknowledge Bit P: Stop Term If more than one Data Byte is transmitted, then the significant SUB ADDRESS bits are auto incremented. 00H 01H 02H 03H 04H→00H 1. Slave Address MSB LSB 1 0 0 0 0 0 1 R/WB R/WB=0 : Write mode for register setting R/WB=1 : Not available 2. Sub Address Table Sub Address 00H 01H 02H 03H 04H BIT D4 D3 D2 D1 Lch Master volume Rch Master volume Input selector Input gain Stereo / Mono Mode selector 0 0 0 Tone control Bass Tone control Treble D7 D6 D5 D0 0 0 0 0 REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 6 of 13 R2A15908SP 3. Data Table Master Volume (Sub Address: 00H, 01H) ATT 0dB –1dB –2dB –3dB –4dB –5dB –6dB –7dB –8dB –9dB –10dB –11dB –12dB –13dB –14dB –15dB –16dB –17dB –18dB –19dB –20dB –21dB –22dB –23dB –24dB –25dB –26dB –27dB –28dB –29dB –30dB –31dB –32dB –33dB –34dB –35dB –36dB –37dB –38dB –39dB –40dB –41dB –42dB –43dB –44dB –45dB –46dB –47dB –48dB REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 7 of 13 Lch Rch Sub Address 00H 01H D7 D7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 D6 D6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D5 D5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 D4 D4 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 D3 D3 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 D2 D2 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 D1 D1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 L ch R ch Volume R2A15908SP ATT –49dB –50dB –51dB –52dB –53dB –54dB –55dB –56dB –57dB –58dB –59dB –60dB –61dB –62dB –63dB –64dB –65dB –66dB –67dB –68dB –69dB –70dB –71dB –72dB –73dB –74dB –75dB –76dB –77dB –78dB –79dB –80dB –81dB –82dB –83dB –84dB –85dB –86dB –87dB –∞ Lch Rch Sub Address 00H 01H D7 D7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D6 D6 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 D5 D5 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 D4 D4 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 D3 D3 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 1 D2 D2 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 1 D1 D1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 L ch R ch Volume * It’s initial setting when power is turned on. REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 8 of 13 R2A15908SP Input Selector (Sub Address: 02H) Setting IN1 IN2 IN3 IN4 IN5 MUTE D7 0 0 0 0 1 1 Input Selector D6 0 0 1 1 0 1 D5 0 1 0 1 0 1 Input Gain (Sub Address: 02H) Setting 0dB +2dB +4dB +6dB +8dB +10dB +12dB +14dB +16dB +18db +20dB Input Gain D4 0 0 0 0 0 0 0 0 1 1 1 D3 0 0 0 0 1 1 1 1 0 0 0 D2 0 0 1 1 0 0 1 1 0 0 1 D1 0 1 0 1 0 1 0 1 0 1 0 Stereo / Mono Selector (Sub Address: 03H) Setting Stereo Lch Mono Rch Mono Mode Selector D7 0 0 1 D6 0 1 0 Mode Selector (Sub Address: 03H) Setting Bypass Tone Tone & Surround Hi Tone & Surround Low Mode Selector D5 0 0 1 1 D4 0 1 0 1 * It’s initial setting when power is turned on. REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 9 of 13 R2A15908SP Tone control (Sub Address: 04H) Gain Bass Treble 0dB 2dB 4dB 6dB 8dB 10dB 12dB 14dB D7 D3 D6 D2 0 0 0 0 1 1 1 1 D5 D1 0 0 1 1 0 0 1 1 D4 D0 0 1 0 1 0 1 0 1 A If A = 0 means Tone control gain CUT(–), then A = 1 means Tone control gain BOOST(+). * It’s initial setting when power is turned on. REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 10 of 13 R2A15908SP Electrical Characteristics (VCC = 9V, Ta = 25°C, Vi = 100mVrms, f = 1kHz, Tone control = 0dB, Rg = 600Ω, RL = 47kΩ) General Characteristics Parameter Operational power supply Supply current Reference voltage Input impedance Maximum output voltage Volume maximum Volume minimum Channel balance Total harmonic distortion Input selector cross talk Channel separation Output noise 1 Output noise 2 Symbol Min 4.75 — 4.0 35 — –2 — –1.5 — — — — — Limits Typ 9.0 15 4.5 50 2.5 0 –100 0 0.01 –100 –100 30 5 Max 9.7 25 5.0 65 — +2 –90 1.5 0.5 –70 –70 50 15 Unit V mA V kΩ Vrms dB dB dB % dB dB μVrms μVrms Condition VCC ICC Vref RIN VOM VOLmax VOLmin CBAL THD CT CS Vno1 Vno2 No signal No signal VOL = 0dB, THD = 1% VOL = 0dB VOL = Mute, Vin = 1Vrms, IHF-A VOL = 0dB 400Hz to 30kHz BPF, Vo = 0.5Vrms 400Hz to 30kHz BPF Vin = 1Vrms 400Hz to 30kHz BPF Vin = 1Vrms VOL = 0dB, Input gain = 0dB Tone = 0dB, Surround = Low, IHF-A VOL = Mute, Input gain = 0dB Bypass, IHF-A Tone Control Parameter Tone control voltage gain (Boost/ Bass) Tone control voltage gain (Cut/ Bass) Tone control voltage gain (Flat/ Bass) Tone control voltage gain (Boost/ Treble) Tone control voltage gain (Cut/ Treble) Tone control voltage gain (Flat/ Treble) Symbol G(Bass)B G(Bass)C G(Bass)F G(Treble)B G(Treble)C G(Treble)F Min +11.5 –16.5 –2 +11.5 –16.5 –2 Limits Typ +14 –14 0 +14 –14 0 Max +16.5 –11.5 +2 +16.5 –11.5 +2 Unit dB dB dB dB dB dB Condition f = 100Hz, Bass = +14dB f = 100Hz, Bass = –14dB f = 100Hz, Bass = 0dB f = 10kHz, Tre = +14dB f = 10kHz, Tre = –14dB f = 100Hz, Tre = 0dB REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 11 of 13 R2A15908SP Bus Line Timing Specification tR, tF tBUF VIL SDA VIH tHD: STA VIL SCL VIH tSU: DAT tHD: DAT tSU: STA tSU: STO tLOW S tHIGH S P S Parameters Min input low voltage Max input high voltage SCL clock frequency Time the bus must be free before a new transmission can start Hold time start condition. After this period the first clock pulse is generated The Low period of the clock The High period of the clock Set-up time for start condition (Only relevant for a repeated start condition) Hold time DATA Set-up time DATA Rise time of both SDA & SCL lines Fall time of both SDA & SCL lines Set-up time for stop condition Symbol VIL VIH fSCL tBUF tHDSTA tLow tHigh tSU: STA tHD: DAT tSU: DAT tR tF tSU: STO Min 0 3.0 — 4.7 4.0 4.7 4.0 4.7 0 250 — — 4.0 Max 1.5 5.0 100 — — — — — — — 1000 300 — Units V V kHz μs μs μs μs μs μs ns ns ns μs REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 12 of 13 R2A15908SP Function Description 1. Tone Control Bass Circuit R1=8.2kΩ C1=C2=0.068μF (Hz) Setting [dB] R2[Ω] R3[Ω] Boost IN R3 + R2 OUT fo = 2π Q~ = 1 1 R1(R2+R3) C1C2 C1C2R2 R1 ±0 0 19820 35570 48040 58020 65910 72190 77170 80000 60180 44430 31920 21980 14090 7810 2830 C1+C2 (R3=0) ±2 ±4 ±6 ±8 ± 10 ± 12 C1 R1 Cut IN C2 R2+R3 +2 R1 Gv = 20log (dB) R3 +2 R1 (C1=C2) 1 R1(R2+R3)C1C2 C1C2R2 R1 + - OUT R2 R3 fo = 2π Q~ = (Hz) ± 14 1 C1+C2 (R3=0) C2 R1 C1 R3 +2 R1 Gv = 20log R2+R3 +2 R1 (dB) (C1=C2) Treble Circuit Boost IN R1 C=8200pF OUT Setting [dB] R1 [Ω] 30000 23810 18890 14970 11850 9350 7340 5730 R2 [Ω] 0 6190 11110 15030 18150 20650 22660 24270 + R2 Av= 20log C {ω C(R1+R2)} +1 (ωCR12 ) +1 *ω=2πf (dB) 2 ±0 ±2 ±4 ±6 ±8 Cut IN + - ± 10 OUT R2 R1 ± 12 ± 14 Av= 20log C (ωCR1 ) 2+1 {ω C(R1+R2)}2 +1 (dB) *ω=2πf REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 13 of 13 Sales Strategic Planning Div. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Notes: 1. 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