TDA7400DTR

TDA7400D ® ADVANCED CAR SIGNAL PROCESSOR FULLY INTEGRATED SIGNAL PROCESSOR OPTIMIZED FOR CAR RADIO APPLICATIONS FULLY PROGRAMMABLE BY I2C BUS INCLUDES AUDIOPROCESSOR, STEREO DECODER WITH NOISE BLANKER AND MULTIPATH DETECTOR PROGRAMMABLE ROLL-OFF COMPENSATION NO EXTERNAL COMPONENTS ) s ( ct u d o SO28 r P e ORDERING NUMBER: TDA7400D DESCRIPTION The TDA7400D is the newcomer of the CSP family introduced by TDA7460/61. It uses the same innovative concepts and design technologies allowing fully software programmability through I2C bus and overall cost optimisation for the system designer. The device includes an audioprocessor with configurable inputs and absence of external components for filter settings, a last generation ) (s 6 b O CassR CassL Ph- Ph+ 4 3 5 let so AM 10 d o r P e CDL CDGND CDR s b O stereodecoder with multipath detector and a sophisticated stereoblend and noise cancellation circuitry. Strength points of the CSP approach are flexibility and overall cost/room saving in the application, combined with high performances. t c u BLOCK DIAGRAM 7 t e l o SMUTE ACOUTL 18 28 27 MONO-FADER MONO-FADER VOLUME SOFT MUTE TREBLE BASS MONO-FADER MONO-FADER INPUT MULTIPLEXER + AUTO ZERO 8 ACOUTR 26 23 25 19 I2C BUS DIGITAL CONTROL 20 16 MUXR 9 24 15 MUXL OUT LR OUT LF OUT RR OUT RF SCL SDA MUX R MUX L FM_R FM_L MPX 11 PILOT CANCELLATION 80KHz LP DEMODULATOR + STEREO ADJUST + STEREO BLEND 25KHz LP HIGH CUT S&H QUAL. VDD VREF 22 1 SUPPLY 21 GND October 2003 PLL 2 CREF 17 QUAL D PIL DET MULTIPATHDETECTOR 13 MPIN FM NOISE BLANKER 14 MPOUT PULSE FORMER A 12 LEVEL D99AU1046 1/28 TDA7400D ABSOLUTE MAXIMUM RATINGS Symbol VS Tamb Tstg Parameter Value Operating Supply Voltage Unit 10.5 V Operating Ambient Temperature Range -40 to 85 °C Operating Storage Temperature Range -55 to 150 °C SUPPLY Symbol VS IS SVRR Parameter Test Condition Supply Voltage Supply Current V mA ) s ( ct 50 60 45 55 VREF 1 CREF 2 ) (s ACOUTL 27 ACOUTR 26 OUT LF 25 OUT RF 5 24 OUT LR CDGND 6 23 OUT RR CDL 7 22 VDD t c u od u d o r P e 4 CDR dB dB t e l o s b O 28 3 CassL CassR O Unit 10 35 Audioprocessor (all filters flat) PIN CONNECTION bs Max. 9 30 Stereodecoder + Audioprocessor ESD All pins are protected against ESD according to the MIL883 standard. t e l o Typ. 7.5 25 VS = 9V Ripple Rejection @ 1KHz r P e Min. Ph- 8 21 GND Ph+ 9 20 SDA AM 10 19 SCL MPX 11 18 SMUTE LEVEL 12 17 QUAL MPIN 13 16 MUX R MPOUT 14 15 MUX L D99AU1047 THERMAL DATA Symbol Rth-j pins 2/28 Parameter Thermal Resistance Junction-pins Max Value Unit 85 °C/W TDA7400D PIN DESCRIPTION N. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Name VREF CREF TAPEL TAPER CDR CDGND CDL PH PH + AM MPX LEVEL MPIN MPOUT MUXL MUXR QUAL SMUTE SCL SDA GND VS OUTRR OUTLR OUTRF OUTLF ACOUTR ACOUTL Function Reference Voltage Output Reference Capacitor Pin Tape Input Left Tape Input Right CD Right Channel Input CD Input Common Ground CD Input Left Channel Differential Phone Input Differential Phone Input + AM Input FM Stereodecoder Input Level Input Stereodecoder Multipath Input Multipath Output Multiplexer Output Left Channel Multiplexer Output Right Channel Stereodecoder Quality Output Soft Mute Drive I2C Clock Line I2C Data Line Supply Ground Supply Voltage Right Rear Speaker Output Left Rear Speaker Output Right Front Spaeaker Output Left Front Speaker Output Pre-speaker AC Output Right Channel Pre-speaker AC Output Left Channel ) (s ) s ( ct u d o r P e t e l o s b O t c u d o r Type I S I I I I I I I I I I I O O O O I I I/O S S O O O O O O P e Pin type legenda: I = Input O = Output I/O = Input/Output S = Supply nc = not connected t e l o s b O 3/28 TDA7400D AUDIO PROCESSOR PART ±15 x 1dB steps Input Multiplexer Quasi-differential CD and cassette stereo input AM mono input Phone differential input Multiplexer signal after In-Gain available at separate pins Treble Control 2nd order frequency response Center frequency programmable in 4 steps ±15 x 1dB steps Volume control 1dB attenuator Max. gain 15dB Max. attenuation 79dB Speaker Control 4 independent speaker controls in 1dB steps max gain 15dB max. attenuation 79dB Bass Control 2nd order frequency response Center frequency programmable in 4(5) steps DC gain programmable Mute Functions Direct mute Digitally controlled softmute with 4 programmable mute time ) s ( ct u d o r P e t e l o ELECTRICAL CHARACTERISTICS (VS = 9V; Tamb = 25°C; RL = 10KΩ; all gains = 0dB; f = 1KHz; unless otherwise specified). Symbol bs Parameter Test Condition INPUT SELECTOR Rin VCL SIN Input Resistance Clipping Level Input Separation GIN MIN GIN MAX Min. Input Gain GSTEP VDC Step Resolution ) s ( ct u d o Max. Input Gain -O all inputs except Phone Min. Typ. Max. Unit 70 2.2 80 100 2.6 100 130 KΩ VRMS dB -1 0 1 dB 13 15 17 dB 0.5 1 1.5 dB Adjacent Gain Step GMIN to GMAX -5 -10 0.5 5 5 10 mV mV Input Resistance Differential 70 100 130 KΩ 70 100 130 KΩ Common Mode Rejection Ratio Common Mode VCM = 1VRMS @ 1KHz 45 45 70 60 r P e DC Steps t e l o DIFFERENTIAL CD STEREO INPUT Rin s b O CMRR eN VCM = 1VRMS @ 10KHz Output Noise @ Speaker Outputs 20Hz to 20KHz flat; all stages 0dB 6 dB dB 15 µV DIFFERENTIAL PHONE INPUT Rin CMRR 4/28 Input Resistance Common Mode Rejection Ratio Differential VCM = 1VRMS @ 1KHz VCM = 1VRMS @ 10KHz 40 40 40 56 70 60 KΩ dB dB TDA7400D ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Condition Min. Typ. Max. Unit 17 dB VOLUME CONTROL GMAX Max Gain 13 15 AMAX Max Attenuation 70 79 ASTEP EA Step Resolution Attenuation Set Error G = -20 to 20dB 0.5 -1.25 1 0 1.5 1.25 dB dB G = -60 to 20dB -4 0 3 dB Adjacent Attenuation Steps 0.1 2 3 dB mV From 0dB to GMIN 0.5 5 mV ET VDC Tracking Error DC Steps SOFT MUTE AMUTE TD Mute Attenuation T1 T2 e t e ol T3 T4 Low Threshold for SM Pin1 High Threshold for SM Pin Internal Pull-up Resistor VTHlow VTHhigh RPD bs O ) BASS CONTROL CRANGE Control Range Step Resolution Center Frequency ASTEP fC ete QBASS l o s b O DCGAIN o r P du Quality Factor Bass-Dc-Gain s ( t c fC1 fC2 fC3 fC4 Q1 Q2 Q3 Q4 DC = off DC = on ) s ( ct u d o 80 Delay Time dB 100 Pr dB 0.48 1 ms 0.96 2 ms 20 200 40.4 324 60 600 1 2.5 70 100 130 ms ms V V KΩ ±13 ±15 ±17 dB 0.5 54 1 60 1.5 66 dB Hz 63 72 70 80 77 88 Hz Hz 90 100 (150)(2) 110 Hz 0.9 1.1 1.3 1.8 -1 3.5 1 1.1 1.25 1.5 2 0 4.4 1.4 1.7 2.2 1 5.5 dB dB ±13 0.5 ±15 1 ±17 1.5 dB dB 8 10 12 14 10 12.5 15 17.5 12 15 18 21 KHz KHz KHz KHz TREBLE CONTROL CRANGE ASTEP fC Control Range Step Resolution Center Frequency fC1 fC2 fC3 fC4 1) The SM pin is active low (Mute = 0) 2) See note in Programming Part 5/28 TDA7400D ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Condition Min. Typ. Max. Unit 35 13 -70 0.5 80 50 15 -79 1 90 65 17 ±2 5 KΩ dB dB dB dB dB mV 30 4.5 10 120 4.7 VRMS KΩ nF Ω V 3 15 µV 6.5 15 µV SPEAKER ATTENUATORS RIN GMAX AMAX ASTEP AMUTE EE VDC Input Impedance Max Gain Max Attenuation Step Resolution Output Mute Attenuation Attenuation Set Error DC Steps Adjacent Attenuation Steps 1.5 0.1 ) s ( ct AUDIO OUTPUTS VCLIP RL CL ROUT VDC Clipping Level Output Load Resistance Output Load Capacitance Output Impedance DC Voltage Level d = 0.3% 2.2 2 Output Noise BW = 20 Hz to 20 KHz output muted BW = 20 Hz to 20 KHz all gain = 0dB all gain = 0dB flat; VO = 2VRMS bass treble at 12dB; a-weighted; VO = 2.6VRMS VIN = 1VRMS; all stages 0dB VIN = 1VRMS; Bass & Treble = 12dB S/N t e l o du Channel separation Left/Right Total Tracking Error BUS INPUTS VIL VIH IIN VO ol ete s b O o r P Input Low Voltage Input High Voltage Input Current Output Voltage SDA Acknowledge O ) s ( t c Distortion SC ET 6/28 bs Signal to Noise Ratio d u d o r P e 4.3 GENERAL eNO 2.6 AV = 0 to -20dB AV = -20 to -60dB 102 96 110 100 80 -1 -2 0.002 0.05 100 0 0 d = 0.3% VIN = 0.4V IO = 1.6mA dB dB 0.1 0.1 1 2 0.8 2.5 -5 5 0.4 % % dB dB dB V V µA V TDA7400D Stereodecoder Part ELECTRICAL CHARACTERISTICS (VS = 9V; deemphasis time constant = 50µs, VMPX = 500mV(75KHz deviation), fm= 1KHz, Gv = 6dB, Tamb = 27°C; unless otherwise specified). Symbol Parameter Vin Rin MPX Input Level Input Resistance GMIN Min. Input Gain Max. Input Gain Step Resolution GMAX GSTEP SVRR Test Condition Vripple = 100mV; f = 1KHz Supply Voltage Ripple Rejection α THD Min. Typ. Max. Unit 0.5 1.25 VRMS 70 100 130 KΩ 1.5 8.5 3.5 11 4.5 12.5 dB dB 1.75 2.5 3.25 dB 35 60 30 50 Gv = 3.5dB Max. channel Separation S+N N Total Harmonic Distortion A-weighted, S = 2Vrms MONO/STEREO-SWITCH 80 VPTHST1 VPTHST0 Pilot Threshold Voltage for Stereo, PTH = 1 VPTHMO1 Pilot Threshold Voltage Pilot Threshold Voltage for Stereo, PTH = 0 for Mono, PTH = 1 VPTHMO0 Pilot Threshold Voltage for Mono, PTH = 1 o s b O ) PLL ∆f/f Capture Range s ( t c DEEMPHASIS and HIGHCUT r P e let dB u d o 0.02 Signal plus Noise to Noise Ratio ) s ( ct dB 0.3 91 % dB 10 15 25 mV 15 7 25 12 35 17 mV mV 10 19 25 mV 0.5 % τHC50 Deemphasis Time Constant Bit 7, Subadr, 10 = 0, VLEVEL >> VHCH 25 50 75 µs τHC75 Deemphasis Time Constant Bit 7, Subadr, 10 = 1, VLEVEL >> VHCH 50 75 100 µs τHC50 Highcut Time Constant Bit 7, Subadr, 10 = 0, VLEVEL >> VHCL 100 150 200 µs Bit 7, Subadr, 10 = 1, VLEVEL >> VHCL 150 225 300 µs Internal Reference Voltage Temperature Coefficient 4.7 5 3300 5.3 V ppm Min. LEVEL Gain Max. LEVEL Gain LEVEL Gain Step Resolution -1 8 0.3 0 10 0.67 1 12 1 dB dB dB VSBLmin VSBLmax VSBLstep Min. Voltage for Mono Min. Voltage for Mono Step Resolution 25 54 2.2 29 58 4.2 33 62 6.2 %REF5V %REF5V %REF5V VHCHmin VHCHmax VHCHstep Min. Voltage for NO Highcut Min. Voltage for NO Highcut Step Resolution 38 62 5 42 66 8.4 46 70 12 %REF5V %REF5V %REF5V VHCLmin VHCLmax VHCLstep Min. Voltage for FULL Highcut Max. Voltage for FULL Highcut Step Resolution 12 28 2.2 17 33 4.2 22 38 6.2 %VHCH %VHCH %VHCH u d o r P e let τHC75 o s b Highcut Time Constant STEREOBLEND-and HIGHCUT-CONTROL O REF5V TCREF5V LGmin LGmax LGstep 7/28 TDA7400D ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Condition Min. Typ. 40 50 Max. Unit 75 62 90 dB dB dB dB 65 75 dB dB 70 dB 75 dB 95 84 dB dB Carrier and harmonic suppression at the output α19 α38 α57 α76 Pilot Signal f = 19KHz Subcarrier f = 38KHz Subcarrier f = 57KHz Subcarrier f = 76KHz Intermodulation (Note 1) α2 α3 fmod = 10KHz, fspur = 1KHz fmod = 13KHz, fspur = 1KHz ) s ( ct Traffic Ratio (Note 2) α57 Signal f = 57KHz u d o SCA - Subsidiary Communications Authoorization (Note 3) α67 Signal f = 67KHz r P e ACI - Adjacent Channel Interference (Note 4) α114 α190 Signal f = 114KHz Signal f = 190KHz t e l o Notes to the characteristics: 1. Intermodulation Suppression: s b O α2 = VO(signal)(at1KHz) ; fs = (2 x 10KHz) − 19KHz VO(spurious)(at1KHz) α3 = VO(signal)(at1KHz) ; fs = (3 x 13KHz) − 38KHz VO(spurious)(at1KHz) ) (s t c u measured with: 91% pilot signal; fm = 10kHz or 13kHz. d o r 2. Traffic Radio (V.F.) Suppression: measured with: 91% stereo signal; 9% pilot signal; fm=1kHz; 5% subcarrier (f = 57kHz, fm = 23Hz AM, m = 60%) P e α57 (V.W>F.) = t e l o VO(signal)(at1KHz) VO(spurious)(at1KHz +⁄− 23KHz) 3. SCA ( Subsidiary Communications Authorization ) measured with: 81% mono signal; 9% pilot signal; fm = 1kHz; 10%SCA - subcarrier ( fs = 67kHz, unmodulated ). s b O 4. ACI ( Adjacent Channel Interference ): α67 = VO(signal)(at1KHz) ; FS = (2 x 38KHz) −67KHz VO(spurious)(at9KHz) α114 = VO(signal)(at1KHz) ; FS = 110KHz − (3 x 38KHz) VO(spurious)(at4KHz) α190 = VO(signal)(at1KHz) ; FS = 186KHz − (5 x 38KHz) VO(spurious)(at4KHz) measured with: 90% mono signal; 9% pilot signal; fm =1kHz; 1% spurious signal ( fs = 110kHz or 186kHz, unmodulated). 8/28 TDA7400D NOISE BLANKER PART internal 2nd order 140kHz high pass filter programmable trigger threshold trigger threshold dependent on high frequency noise with programmable gain additional circuits for deviation and fieldstrength dependent trigger adjustment very low offset current during hold time due to opamps wMOS inputs four selectable pulse suppression times programmable noise rectifier charge/discharge current ELECTRICAL CHARACTERISTICS (continued) Symbol VTR Parameter Trigger Threshold 0) 1) Test Condition meas. with VPEAK = 0.9V NBT = 111 NBT = 110 NBT = 101 NBT = 100 NBT = 011 NBT = 010 NBT = 001 NBT = 000 NCT = 00 NCT = 01 NCT = 10 NCT = 11 NRD 6) = 00 Min. (c) (c) (c) (c) (c) (c) (c) (c) (c) (c) (c) (c) 0.5 1.5 2.2 0.5 0.9 1.7 2.5 0.5 0.9 1.7 2.1 TBD TBD TBD TBD (c) (c) (c) (c) (c) (c) Typ. 30 35 40 45 50 55 60 65 260 220 180 140 0.9 1.7 2.5 0.9(off) 1.2 2.0 2.8 0.9(off) 1.4 1.9 2.4 38 32 25.5 22 0.3 0.8 1.3 2.0 10 20 u d o r P e VTRNOISE VRECT VRECT DEV VRECT FS meas. with VPEAK = 1.5V Rectifier Voltage VMPX = 0mV VMPX = 50mV; f = 150KHz VMPX = 200mV; f = 150KHz means. with OVD = 11 VMPX = 800mV OVD = 10 (75KHz dev.) OVD = 01 OVD = 00 means. with FSC = 11 VMPX = 0mV FSC = 10 VLEVEL