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| ICs for TV 1.23 0.350.1 s Applications * TV and VCR s Block Diagram AFC w V-set. w Sync. sep. w .D 28 RF AGC delay 5 t a 26 NI 27 Video out 18 VCO GND 21 VCO V CC S a 25 e h 23 t e 22 Seating plane SSOP032-P-0375 U 4 1.0 20 19 0.10.1 0.9 2.00.2 AN5101NSC com . VIF/SIF IC for TV andU VCR t4 s Overview ee Sh ta a D . w s Features w w The AN5101NSC is a VIF/SIF signal processing IC for TV and VCR. Reduction of sound noise and improvement of picture quality have been realized by adoption of the gated PLL detection system. * Reduction of buzz-beat (sound noise) when receiving for sound multiplex broadcasting service * Improvement of video over-modulation characteristics * Built-in equalizing amplifier which enables the correction of video frequency characteristics. * Low power consumption (5 V, 46.5 mA) * Respond to diversity antenna Unit : mm 17.810.3 32 17 7.20.3 9.30.3 1 16 .c m o 0.15 32 31 30 29 EQ amp. L-det. APC 24 VCO 17 RF AGC out 16 SQ det. RF AGC Det. QIF AGC Q-det. Phase shifter S-amp. IF AGC VIF amp. QIF amp. S-det. Audio out 13 AFC VCC 1 AFC out 2 Main GND 8 w w w .D ta a he S 15 10 11 12 Main 3 VCC 4 14 6 7 9 t4 e U 0.3 om .c 1 AN5101NSC s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Description Supply pin VCC1 (AFC output use) AFC output pin VIF AGC filter pin Supply pin VCC2 (for main) RF AGC delay adjustment pin VIF input pin VIF input pin GND pin (for main) QIF input pin QIF input pin N.C. QIF AGC filter pin Audio output pin SIF coil pin SIF coil pin RF AGC output pin Pin No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Description SIF input pin GND pin (for VCO) VCO coil pin VCO coil pin Supply pin VCC3 (for VCO) QIF detection output pin APC detection output pin VCO control pin ICs for TV APC time-constant switchover pin Lock detection pin Video detection output pin Feed back pin Sync. signal separation use pin AFC coil pin AFC coil pin Vertical sync. signal separation use pin s Absolute Maximum Ratings Parameter Supply voltage VCC Symbol VCC2, VCC3 VCC1 Circuit voltage V16-8, 18 V25-8, 18 Supply current ICC ICC2 + ICC3 ICC1 Power dissipation Operating ambient temperature*1 *1 Rating 5.6 12.5 0 to 12.5 0 to 12.5 63.0 1.8 376 -30 to + 85 -55 to + 150 Unit V V mA PD Topr Tstg mW C C Storage temperature Note) Don't supply current and voltage from external for not described pins. The circuit current show that (+) flows into the IC and (-) flows out from the IC. *1 : All parameter values except for the power dissipation, the operating ambient temperature and the storage temperature are Ta = 25C. 2 ICs for TV s Recommended Operating Range Parameter Supply voltage Supply voltage Circuit voltage Circuit voltage Circuit voltage Circuit voltage Circuit voltage Circuit current Circuit current Circuit current Circuit current Circuit current Circuit current Circuit current Circuit current Circuit current Circuit current Circuit current Circuit current Circuit current Symbol VCC2, VCC3 VCC1 V2-8, 18 V3-8, 18 V5-8, 18 V12-8, 18 V32-8, 18 I6, I 7 I9, I 10 I13 I14, I15 I16 I17 I22 I23 I25 I27 I28 I29 I30, I 31 Range 4.5 to 5.3 VCC2, VCC3 to 12.2 0 to V1-8, 18 0 to V4, 21-8, 18 0 to V4, 21-8, 18 0 to V4, 21-8, 18 0 to V4, 21-8, 18 -1.0 to 0.05 -1.0 to 0.05 -5.0 to 0.3 -1.0 to 0.05 0 to 3 -1.0 to 0.3 -5.0 to 5.0 - 0.2 to 0.2 0 to 1.0 -5.0 to 1.0 - 0.1 to 0.1 -1.0 to 0 -1.0 to 0.05 AN5101NSC Unit V V V V V V V mA mA mA mA mA mA mA mA mA mA mA mA mA s Electrical Characteristics at VCC = 5 V, Ta = 25C Parameter VIF amp. det. block Video detection output Video frequency characteristics Sync. peak voltage PLL block APC pull-in range high APC pull-in range low VCO control sensitivity fPH fPL V24= 2.3 V to 2.5 V 1.0 1.5 2.0 -1.0 2.5 MHz MHz kHz/mV VO27 fC VP Standard color signal (with white color) m= 87.5%, IN = 80 dB Attenuation amount at 8 MHz 1.7 - 4.0 1.1 2.0 - 1.0 1.3 2.3 +0 1.5 V[p-p] dB V Symbol Conditions Min Typ Max Unit 3 AN5101NSC s Electrical Characteristics at VCC = 5 V, Ta = 25C Parameter AGC block RF AGC operation sensitivity RF AGC max. pull-in current RF AGC min. pull-in current AFC block AFC discrimination sensitivity AFC center voltage AFC max. output voltage AFC min. output voltage QIF amp. det.block Q- det. output level SIF block Audio detection output DC characteristics Circuit current 1 (pin 4, pin 21) Circuit current 2 (pin 1) VIF input pin voltage QIF input pin voltage Audio output pin voltage SIF coil pin voltage SIF input pin voltage VCO coil pin voltage Q-det. output pin voltage VCO control pin voltage APC time-constant switchover pin Video detection output pin voltage AFC coil pin voltage I4 + 21 By the DC characteristics measurement method 36.5 I1 By the DC characteristics measurement method 0.8 2.6 2.6 1.5 4.0 1.2 2.7 2.5 2.0 4.5 3.2 2.4 46.5 1.1 3.0 3.0 2.0 4.2 1.5 3.2 2.9 2.45 5.0 3.7 2.8 VO13 fO = 4.5 MHz, IN = 100 dB, 327 f = 25 kHz, fM= 400 Hz, RD= 6.8 k 385 QDET 95 100 AFC I2 V2max V2min RL=150 k/150 k By the DC characteristics measurement method f = f0 - 500 kHz f = f0 + 500 kHz 18 5.0 10.5 26 6.0 11.2 0.7 RFAGC I16max I16min By the DC characteristics measurement method 0 1.5 By the DC characteristics measurement method -3.0 1.0 2.1 0 Symbol Conditions Min Typ ICs for TV Max Unit 3.0 2.7 3.0 34 7.0 1.5 dB mA A mV/kHz V V V 105 dB 443 mV[rms] 56.5 1.4 3.4 3.4 2.5 4.5 1.8 3.7 3.3 2.9 4.2 3.2 mA mA V V V V V V V V V V V V6, V7 By the DC characteristics measurement method V9, V10 By the DC characteristics measurement method V13 By the DC characteristics measurement method V14, V15 By the DC characteristics measurement method V17 By the DC characteristics measurement method V19, V20 By the DC characteristics measurement method V22 V24 V25 V27 By the DC characteristics measurement method By the DC characteristics measurement method By the DC characteristics measurement method By the DC characteristics measurement method V30, V31 By the DC characteristics measurement method 4 ICs for TV s Electrical Characteristics at VCC = 5 V, Ta = 25C (continued) * Design reference data Note) The following values are typical and not guaranteed values. AN5101NSC Parameter VIF amp. det. block Input sensitivity Maximum allowable input SN ratio Differential gain Differential phase Black noise detection level White noise clamp level Intermodulation Input resistance (pin 6) Input capacitance (pin 6) Output resistance (pin 27) PLL block VCO max. variable range 1 VCO max. variable range 2 VCO frequency SW on drift VCO frequency temperature drift VCO reference oscillation level VCO 2nd harmonics wave level AGC block RF AGC delay point temperature drift Noise canceller operation voltage (W) Noise canceller operation voltage (B) IF AGC filter charge current IF AGC filter discharge current AFC block AFC defeat SW operation voltage Symbol SV maxV S/N DG DP VBN VWNC IM RI6 CI6 RO27 fVU fVD fVON fVT VCO VCO2 RFDT VNC(W) VNC(B) I3C I3D VAFC-SW V24 =1.0 V V24 = 4.0 V VBN -VP VWNC -VP Conditions VO27 = - 3dB Min 97 50 45 Typ Max Unit 42 102 55 2 2 - 0.85 -1.9 50 1.2 3.2 10 0 - 0.2 106 70 +1 2.6 - 0.85 46 5 5 -1.8 + 0.1 112 - 4.0 600 dB dB dB % deg V V dB k pF 1.8 - 0.1 100 MHz MHz MHz MHz dB dB 3 minutes after swich-on -20C to +70C -20C to +70C VNC(W) -VP VNC(B) -VP dB V V A A -15.0 - 8.5 340 470 0.9 V 5 AN5101NSC s Electrical Characteristics at Ta = 25C (continued) Parameter QIF amp. det. block Input sensitivity Max. allowable input Input resistance (pin 9) Input capacitance (pin 9) Output resistance (pin 22) SIF block Input limiting voltage AM rejection ratio Total harmonic distortion Input resistance (pin 17) Input capacitance (pin 17) Detector input resistance (pin 13) Detector input capacitance (pin 13) Output resistance (pin 12) I(LIM) AMR THD RI17 CI17 RI13 CI13 RO12 f = 4.5 MHz f = 4.5 MHz f = 4.5 MHz f = 4.5 MHz f = 500 MHz VO13= - 3 dB IN = 90 dB 45 37 55 0.15 1.1 8.0 10 25 400 SQ maxQ RI9 CI9 RO22 f = 54.25 MHz f = 54.25 MHz f = 4.5 MHz QDET = - 3 dB 99 46 104 1.2 3.2 170 Symbol Conditions Min Typ ICs for TV Max Unit 50 dB dB k pF dB dB % k pF k pF s Application Circuit Example AFC SW 23 21 20 19 18 15 VCO GND 13 14 RF AGC out Tuner VCC Audio out 16 17 32 31 30 29 28 27 26 25 24 10 11 22 Main VCC RF AGC delay AFC VCC AFC out SAW 6 Main GND 12 1 2 3 4 5 6 7 8 9 VCO VCC |
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