ICs for TV AN5186FB VIF/SIF IC for car-TV ■ Overview (1.00) 23 22 44 12 10.00±0.20 12.00±0.20 34 11 0.80 0.35+0.10 –0.05 (1.00) +0.10 1 (1.00) 0.15 –0.05 • Split carrier method sound detection circuit • Electric field detection and band detection type soft mute and SD • Multipath detection circuit • VIF uses quasi-synchronous detection which is invulnerable to electric field fluctuation. • Video output pin for diversity detection (no noise inverter) 33 1.95±0.20 ■ Features Unit : mm 12.00±0.20 10.00±0.20 Seating plane 0.10±0.10 The AN5186FB is a VIF/SIF signal processing IC for in-car television. The video and sound are completely separated by the adoption of split carrier method. Also, high performance and high function have been realized by the incorporation of in-car circuits such as soft mute and SD. 0° to 10° 0.50±0.20 QFP044-P-1010C ■ Applications • In-car televisions 1 AN5186FB ICs for TV RF AGC 34 delay Buffer amp. OSC 23 24 25 26 27 VREF GND3 28 29 30 31 32 33 VCC3 SD out ■ Block Diagram Regulator 1st limiter 35 2nd limiter 36 V cont. detector 37 SD detector Mixer 40 VIF amp. 41 Detector Multipath detector Carrier amp. Video amp.2 AFT Video amp.1 Audio out 11 10 9 8 Video out1 7 Video out2 2 VCC1 1 18 V CC 17 16 V CC2 Description Pin No. Description 1 VCC1 10 Audio output 2 VIF detection coil 1 11 SMTC2 3 VIF detection coil 2 12 S meter output 4 SSC 13 AMDC input 5 AFT detection coil 14 AMDC detection 6 AMDC adjustment 15 AMDC output 7 Video output 2 16 AFC output 8 Video output 1 17 VCC2 9 SMTC1 18 SIF detection coil Multipath out 14 12 44 ■ Pin Descriptions 2 19 V REF 13 VREG 43 Regulator Pin No. 21 15 RF AGC RF AGC 42 output (R) AFT out Noise inverter 5 VIF in V cont. DC amp. IF AGC 39 4 VIF in Mute amp. Quad detector AFC amp. band detector VREF GND1 38 3 SIF in GND2 20 Regulator 6 SIF in 22 Multipath in V cont. out1 ICs for TV AN5186FB ■ Pin Descriptions (continued) Pin No. Description Pin No. Description 19 SMA1 32 OSC1 20 SMA2 33 OSC2 21 2nd limiter input 34 RF AGC delay adjustment 22 GND2 35 IF AGC output 23 1st limiter output 36 IF AGC input 24 SIF reference voltage 37 SIF input 1 25 V cont. adjustment 38 SIF input 2 26 1st limiter bypass 39 GND 1 27 1st limiter input 40 VIF input 1 28 GND3 41 VIF input 2 29 SD output 42 RF AGC output 30 Mixer output 43 VIF reference voltage 31 VCC3 44 AFT output ■ Absolute Maximum Ratings Parameter Symbol Supply voltage Supply current Power dissipation *2 Operating ambient temperature *1 Storage temperature *1 Rating Unit VCC VCC1 , VCC2 , VCC3 10.2 V ICC ICC1 , ICC2 , ICC3 80 mA PD 425 mW Topr −30 to +85 °C Tstg −55 to +150 °C Note) *1: Ta = 25°C except power dissipation, operating ambient temperature and storage temperature. *2: The power dissipation is for the IC only when Ta = 85°C in free air. ■ Recommended Operating Range Parameter Supply voltage Symbol Range Unit VCC1 , VCC2 , VCC3 7.2 to 10.0 V 3 AN5186FB ICs for TV ■ Electrical Characteristics at Ta = 25°C, VCC1 = VCC2 = VCC3 = 8.0 V Parameter Symbol Conditions Min Typ Max Unit VIF block Video detection output 1 VO8 Video: 10 stairs − Y, m = 87.5% 1.7 2.0 2.3 V[p-p] Video detection output 2 VO7 Video: 10 stairs − Y, m = 87.5% 1.7 2.0 2.3 V[p-p] Sync. peak value voltage 1 VP8 2.7 3.1 3.5 V Sync. peak value voltage 2 VP7 2.7 3.1 3.5 V Output −3dB frequency for 1 MHz 6 8 MHz Input level difference to become V42 = 1.5 → 7 V 1.0 3.0 dB RF AGC maximum sink current IAGCmax V34 = 2.5 V, V36 = 2 V 2.2 2.9 3.6 mA IAGCmin V34 = 2.5 V, V36 = 3 V −2 0 2 µA 13 20 27 mV/kHz Video frequency characteristic fC RF AGC operating sensitivity GRF RF AGC minimum sink current AFT detection sensitivity µAFT ∆f = ±25 kHz AFT maximum output voltage VAFTmax f = fP − 500 kHz 4.2 4.7 5.0 V AFT minimum output voltage VAFTmin f = fP + 500 kHz 0 0.3 0.8 V Video output resistance 1 RO8 V36 = 0 V 20 50 120 Ω Video output resistance 2 RO7 V36 = 0 V 20 50 120 Ω S meter gradient 1 ∆VS1 f = 10.7 MHz 1.3 1.7 2.1 V S meter gradient 2 ∆VS2 f = 10.7 MHz 1.45 1.85 2.25 V Audio detection output VOS VIN27 = 70 dBµ, f = 10.7 MHz, fM = 1 kHz, ∆f = ±25 kHz 125 160 195 mV[rms] Mix. conversion gain VCG No modulation, VIN37 = 70 dBµ 24 30 dB Audio output resistance RO10 260 380 500 Ω S meter output resistance (pin 12) RO12 60 160 260 Ω 51 63 75 mA Min Typ Max Unit SIF block/mixer block Circuit current ICC VCC1 , VCC2 , VCC3 = 8.0 V • Design reference data Note) The characteristic values below are theoretical values for designing and not guaranteed. Parameter Symbol Conditions VIF block VVS Input level to become VO8 = −3 dB 42 49 dBµ VIF maximum allowable input VVmax Input level to become VO8 = +1 dB 103 108 dBµ Video S/N S/NV BPF: 10k to 4M 50 56 dB VIF input sensitivity 4 Differential gain DG Video: 10 − stairs 0 4 8 % Differential phase DP Video: 10 − stairs 0 4 8 % Intermodulation IM P/C = 2 dB, P/S = 12 dB 30 36 dB Black noise detection level ∆VBN Difference from sync. peak value voltage − 0.85 V Black noise clamp level ∆VBNC Difference from sync. peak value voltage 0.6 V ICs for TV AN5186FB ■ Electrical Characteristics at Ta = 25°C, VCC1 = VCC2 = VCC3 = 8.0 V (continued) • Design reference data (continued) Note) The characteristic values below are theoretical values for designing and not guaranteed. Parameter Symbol Conditions Min Typ Max Unit 0.4 0.8 V VIF block (continued) AFT defeat SW operating voltage VAFTSW VIF input resistance R140 f = 58.75 MHz 1.8 kΩ VIF input capacitance C140 f = 58.75 MHz 3.2 pF VIF reference voltage VREG 5.0 V SIF/mixer block S meter voltage 1 VS1 VIN27 = without input 0.05 0.5 1.1 V S meter voltage 2 VS2 VIN27 = 40 dBµ 1.0 1.7 2.4 V S meter voltage 3 VS3 VIN27 = 70 dBµ 2.3 3.4 4.5 V S meter voltage 4 VS4 VIN27 = 100 dBµ 3.9 5.2 6.5 V − 0.1 0 0.1 V AFC offset voltage VAFC VIN27 = without input Limiting sensitivity VLIM V0 = 0 dB, input for 3 dB down 32 38 dBµ SD sensitivity SDS Input when SD output becomes 4.5 V or more at V4 = 2 V 38 dBµ SD bandwidth SDW Bandwidth when SD output becomes 4.5 V or more at V4 = 2 V 140 kHz SIF input resistance RI37 f = 54.25 MHz 2.7 kΩ SIF input capacitance RC37 f = 54.25 MHz 3.2 pF Mixer output resistance RO30 f = 10.7 MHz 300 Ω S/N sensitivity NOUT VIN37 = 22 dBµ no modulation, however, S is the output when 1 kHz 100% modulation. 22 30 dB Audio S/N S/NA 60 65 dB AM rejection ratio AMR VIN27 = 70 dBµ, AM = 30% 48 54 dB Total harmonic distortion THD fM = 1 kHz, ∆f = ±25 kHz 0 0.2 1.0 % 50 dB 1.5 V 4.1 V Soft mute attenuation ∆Mute Multipath detection ∆VMP SIF reference voltage VREF f = 100 kHz, VIN13 = 70 dBµ, 110 dBµ 5 AN5186FB ICs for TV ■ Terminal Equivalent Circuits Pin No. Equivalent circuit Description voltage 1 Power supply pin 1: Power supply pin for VIF Use range; 7.2 V to 10 V (typ. 8 V) DC (typ. 8 V) [Z = low] 2 VIF detection coil pin 1 VREG (5 V) 2.4 kΩ 2.4 kΩ fp = 58.75M ∠0° phase shift DC, approx. 3.8 V [Z = 2.4 kΩ] 2 3 3 VIF detection coil pin 2 fp = 58.75M ∠0° phase shift DC, approx. 3.8 V [Z = 2.4 kΩ] 4 VREF (4.2 V) VCC2 (8 V) 100 kΩ SD detection adjusting pin: Detection sensitivity adjustment for SD output DC approx. 2.1V [Z = 16 kΩ] 30 kΩ 4 1 kΩ 5 30 kΩ AFT detection coil pin VREG (5 V) fp = 58.75M ∠90° phase shift DC, approx. 2.6 V [Z = 6 kΩ] 6 kΩ 5 6 ICs for TV AN5186FB ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 6 VCC2 (8 V) Description voltage Multipath detection adjusting pin: Detection sensitivity adjustment of multipath output DC approx. 1.9 V [Z = 6.8 kΩ] 6 7 VCC1 (8 V) Video output pin 2 200 Ω AC approx. 2 V[p-p] [Z = low] 8 Pin 7 8 Video output pin 1: Output after passing through noise inverter 200 Ω 9 Soft mute filter pin 1 DC 0 V to 4.1V [Z = 25 kΩ] 25 kΩ 200 Ω 200 kΩ 9 10 Audio output pin 200 Ω 10 AC (differs according to input conditions) [Z = 380 Ω] 7 AN5186FB ICs for TV ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 11 Description voltage Soft mute filter pin 2: Adjusting voltage of ASC and ATC, etc. DC [Z = 200 Ω] 200 Ω 150 kΩ 11 12 S meter voltage output pin 1 200 Ω DC 0 Signal input level 12 [Z = 270 kΩ] 13 VCC2 (8 V) 5V 100 kΩ Multipath input pin: Detection sensitivity is adjusted by external resistor. DC approx. 1.9 V [Z = low] 40 kΩ 13 14 Multipath detection pin 1.9 V 300 kΩ [Z = 6.3 kΩ] Rising low Falling 330 Ω 14 15 16 Multipath output pin 200 Ω 300 Ω DC, approx. 1.2 V 15 DC approx. 1.9 V (0 V to 4.1 V) [Z = 18 kΩ] 300 Ω AFC output pin VCC2 (8 V) DC approx. 4.2 V 5V 16 29.5 kΩ VREF (4.2 V) 8 3.5 V ICs for TV AN5186FB ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 17 Description Power supply pin 2: Power supply pin for SIF Use range; 7.2 V to 10.0 V (typ. 8 V) 18 VCC2 (8 V) 18 SIF detection coil pin VCC2 (8 V) 500 Ω voltage DC (typ. 8 V) AC approx. 0.9 V[p-p] ∠90° phase shift DC, approx. 8 V [Z = high] 18 pF 19 VCC2 (8 V) Soft mute adjusting pin 1: Soft mute start point adjustment 100 kΩ 19 DC (0 to VREF) (4.2 V) (voltage input from outside) [Z = high] 230 Ω 20 Soft mute adjusting pin 2: Soft mute gradient adjustment DC [Z = low] 2 kΩ 20 21 2nd limiter input pin DC = 0 V [Z = 300 Ω] 21 300 Ω 9 AN5186FB ICs for TV ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit Description 22 GND pin 2: GND pin for SIF 22 voltage [Z = low] 23 VREF (4.2 V) 1st limiter output pin 300 Ω 23 AC fs = 10.7M DC approx. 4.0 V [Z = 500 Ω] 24 VCC2 (8 V) SIF reference voltage: Reference voltage pin for SIF DC approx. 4.2 V [Z = low] VREF 24 25 S meter voltage adjusting pin DC approx. 3.5 V [Z = low] VREF (4.2 V) 25 26 VREF (4.2 V) 1st limiter bias pin DC approx. 3.1 V 10 kΩ [Z = 7.5 kΩ] 27 27 1st limiter input pin 300 Ω 26 30 kΩ AC fs = 10.7M DC approx. 3.1 V [Z = 300 Ω] 10 ICs for TV AN5186FB ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit Description 28 GND pin 3: GND pin for mixer 28 voltage [Z = low] 29 SD output pin VCC2 (8 V) 5V 0V [Z = 200 Ω] 200 Ω 29 10 kΩ 30 Mixer output pin VCC3 (8 V) 200 Ω AC [Z = 200 Ω] 200 Ω 30 200 Ω 31 Power supply pin 3: Power supply pin for mixer Use range; 7.2 V to 10.0 V (typ. 8 V) 32 800 Ω 200 Ω VCC3 (8 V) OSC input pin 1 5 kΩ 5 kΩ [Z = low] DC approx. 7.0 V [Z = 300 Ω] 300 Ω 33 DC (typ. 8 V) Pin 32 33 OSC input pin 2 DC approx. 4.4 V [Z = 5 kΩ] 11 AN5186FB ICs for TV ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 34 VREG (5 V) 34 Description RF AGC delay adjusting pin 200 Ω voltage DC approx. 4.4 V [Z = high] 30 kΩ 35 VREG (5 V) IF AGC output pin DC [Z = high] 35 36 VREG (5 V) 36 IF AGC input pin DC [Z = high] 200 Ω 30 kΩ 37 SIF input pin 1 AC f = fs (54.25 MHz) DC level approx. 2.7 V SIF input pin 2 [Z = 3 kΩ] VREG (5 V) 6.7 kΩ 38 37 38 12 3 kΩ 3 kΩ ICs for TV AN5186FB ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 39 Description GND pin 1: GND pin for VIF 39 voltage [Z = low] 40 VIF input pin 1 VREG (5 V) 6 kΩ 2 kΩ 2 kΩ 40 41 VIF input pin 2: Input for VIF amp. and balanced input 41 42 RF AGC output pin: VREG (5 V) Collector open output so that arbitrary bias is usable. (max. 12.5 V) AC f = fp (58.75 MHz) DC level approx. 2.6 V [Z = 2 kΩ] DC IF AGC 42 50 Ω RF AGC adjustment 83 Ω 34 kΩ 2 kΩ 43 VIF reference voltage pin: Reference voltage pin for VIF 19 kΩ 43 1.2 V DC level approx. 5 V [Z = low] 6 kΩ 13 AN5186FB ICs for TV ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 44 Description voltage AFT output pin VREG (5 V) DC [Z = high] 44 23 24 25 26 27 VREF GND3 28 SD out 29 30 31 V CC3 32 33 ■ Application Circuit Example VREG 34 RF AGC delay Buffer amp. OSC Regulator 1st limiter 35 2nd limiter 36 V cont. detector SD detector Mixer 38 SIF in GND1 41 VIF amp. 42 RF AGC VREG 43 Quad detector AFC amp. band detector VCC 17 16 VCC2 15 Multipath detector Carrier amp. Video amp.2 AFT Video amp.1 11 10 Audio out 9 8 Video out1 7 Video out2 6 5 VREF 4 3 Multipath out 14 12 44 VCC1 14 18 VCC Noise inverter Detector 19 VREF 13 Regulator 1 AFT out 21 VCC 2 RF AGC output (R) V cont. DC amp. 40 VIF in VIF in Mute amp. IF AGC 39 GND2 20 Regulator 37 SIF in 22 Multipath in V cont. out1