NJM2543V

NJM2540/2543 Mixer and Oscillator for TV Tuner DESCRIPTION The NJM2540/43 are mixer/oscillator especially designed for TV tuners and consists of mixers, oscillators, IF amplifier and OSC buffer for VHF,UHF and CATV band, built into one chip. The NJM2540/43 packaging in SSOP16 are suitable for small-sized tuners. The NJM2543 is the reverse pin assignment type of the NJM2540. FEATURES • Operating Voltage 5V • Mixers, Oscillators, IF AMP and OSC buffer on chip • Bipolar Technology • Package Outline: SSOP16 PACKAGE OUTLINE NJM2540V/NJM2543V BLOCK DIAGRAM MIXOUT2 MIXOUT1 VHFIN2 UHFIN2 VHFIN1 UHFIN1 (1) 16 (2) 15 (3) 14 (4) 13 (5) 12 (6) 11 (7) 10 (8) 9 UHF MIX VHF MIX IF AMP U/V SW VHF OSC UHF OSC OSC BUFF 1 (16) V HFOSC1 2 (15) VHFOSC2 3 (14) VOSC 4 (13) UHFOSC1 5 (12) UHFOSC2 6 (11) GND 7 (10) OSCOUT 8 (9) U/V SW (Note) Pin numbers in circle are for NJM2540 Pin numbers in parenthesis are for NJM2543 IFOUT VCC -1- NJM2540/2543 ABSOLUTE MAXIMUM RATINGS Parameter Symbol Supply Voltage Vcc Power Dissipation PD Operating Temperature Range Storage Temperature Range Topr Tstg (TA=25°C) Unit V mW °C °C (TA =25°C) Max. Unit 5.5 V Ratings 7 *550 -20 to +75 -40 to +150 * Test IC soldered on PC board RECOMMENDED OPERATING VOLTAGE RANGE Parameter Condition Operating Voltage ELECTRICAL CHARACTERISTICS (Note 1) Parameter Condition Operating Current VHF OSC only, No RF input Operating Current UHF OSC only, No RF input VHF OSC only Conversion Gain fRF=55.25 to 361.25MHz, -50dBm VHF OSC only Conversion Gain fRF=55.25 to 361.25MHz, -50dBm VHF OSC only PCS Beat 1 Input Level: Fp=Fc=Fs IF Output level: -10dBm UHF OSC only PCS Beat 2 Input Level: Fp=Fc=Fs IF Output level: -10dBm VHF OSC only Noise Figure 1 FRF=55.25 to 361.25MHz VHF OSC only Noise Figure 2 FRF=55.25 to 361.25MHz OSC Output Level Flocal=101 to 847MHz Maximum IF Output Level Flocal=55.25 to 801.25MHz Symbol Vcc Min. 4.5 Typ. 5.0 Symbol Icc1 Icc2 Ga1 Ga2 PCS1 (Vcc=5V, TA =25°C,IF=45.75MHz) Min. Typ. Max. Unit 24 41 56 mA 25 42 57 mA 26 30 51 dB dB dB PCS2 NF1 NF2 OUTosc OUTif - 50 13 11 -12 10 - dB dB dB dBm dBm (Note 1) Because AC characteristics largely depends on application circuit, these parameters are specified by the DC characteristics as shown in next page. -2- NJM2540/2543 DC ELECTRICAL CHARACTERISTICS (VCC=Vosc=Vmix=5V,TA=25°C, Vb=2.92V) Parameter Condition Symbol Min. Pin3 Current 1:UHF Vsw=2v Iosc1 9 Pin3 Current 2:VHF Vsw=0.5v Iosc2 8.7 Pin7 Voltage 1:UHF Vsw=2v Voscout1 3.45 Pin7 Voltage 2:VHF Vsw=0.5v Voscout2 3.45 Pin9 Voltage Vsw=2v Vifout 2 Vsw=2v Icc Pin10 Current 18.5 Vmixouta1 Pin11 Voltage 1:UHF Vsw=2v 3.6 Pin11 Voltage 2:VHF Vsw=0.5v Vmixouta2 3.6 Pin12 Voltage 1:UHF Vsw=2v Vmixoutb1 3.6 Pin12 Voltage 2:VHF Vsw=0.5v Vmixoutb2 3.6 Pin1 Voltage Vsw=0.5v Vvosc1 2.65 Pin2 Voltage Vsw=0.5v Vvosc2 1.95 Vsw=2v Vuosc1 Pin4 Voltage 1.95 Vsw=2v Vuosc2 Pin5 Voltage 2.6 Vsw=0.5v,2Pin=Vvosc1,1-2Pin Short Ivosc Pin2 Current 2.4 Vsw=2v,4Pin=Vuosc1,4-5Pin Short Iuosc Pin4 Current 2.9 Pin13 Voltage Vsw=0.5v Vvmixa 1.8 Pin14 Voltage Vsw=0.5v Vvmixb 1.8 Pin15 Voltage Vsw=2v Vumixa 1.8 Vsw=2v Vumixb Pin16 Voltage 1.8 DC TEST CIRCUIT Typ. - Max. 17.6 16.8 3.95 3.95 2.5 37.5 4.15 4.15 4.15 4.15 3.2 2.5 2.45 3.2 4.6 5.7 2.25 2.25 2.25 2.25 Unit mA mA V V V mA V V V V V V V V mA mA V V V V 1n 1n 1n 1n 1n 1n 1n + 1u 1n 16 (1) (2) 15 (3) 14 (4) 13 (5) 12 MIXOUT2 (6) 11 (7) 10 (8) (9) 9 IFOUT U/V SW MIXOUT1 UHFIN2 UHFIN1 VHFIN2 VHFIN1 VHFOSC1 VHFOSC2 UHFOSC1 UHFOSC2 (16) (15) (14) (13) (12) (11) 1 2 3 4 5 6 (10) OSCOU T VOSC GND VCC (Vmix) 7 8 1n 1n 1n + 1u 1n 1n 1n 1n VHF Vsw Vb -3- NJM2540/2543 AC TEST CIRCUIT UHF IN VHF IN IF OUT 2.2n 16774B 2.2n 2.2n 2.2n 2.2n 20p 2.2n 16 UHFIN2 (1) (2) 15 UHFIN1 (3) 14 VHFIN2 (4) 13 (5) VHFIN1 12 MIXOUT2 (6) 11 MIXOUT1 (7) 10 (8) VCC (Vmix) 9 IFOUT U/V SW (9) VHFOSC1 VHFOSC2 UHFOSC1 UHFOSC2 (16) (15) (14) (13) (12) 4p (11) GND (10) 1 15p 51p 1T363A 2 36p 3 7p 1n 4 5 6 OSCOUT VOSC 7 2.2n 8 15p 27p OSC OUT HVU202A 33k 1T363A 33k 33k 1n 1n 0.5p 1n 2.2n 1.5p 2k 91p 2k VHI VLO 2k 100k VHF UHF VT VCC -4- NJM2540/2543 TERMINAL CHARACTERISTICS No. Symbol Typ.DC Voltage (V) VHF 2.9 Equivalent Circuit 3 Function 1 (16) VHFOSC1 1 2 VHF Oscillator 2 (15) 3 (14) 4 (13) VHFOSC2 VHF 2.2 Oscillator Power Supply 3 VOSC - UHFOSC1 UHF 2.1 5 4 UHF Oscillator 5 (12) 6 (11) UHFOSC2 UHF 2.9 GND - GND 7 (10) OSCOUT 3.7 7 OSC Output 8 8 (9) U/V SW - UHF/VHF Select Switch UHF at Vcc VHF at GND 9 (8) IFOUT 2.2 9 IF Output -5- NJM2540/2543 No. 10 (7) 11 (6) Symbol VCC Typ.DC Voltage (V) 12 Equivalent Circuit Function Power Supply Except for Oscillator MIXOUT1 3.9 11 Mixer Output 12 (5) MIXOUT2 3.9 13 (4) 14 (3) 15 (2) 16 (1) VHFIN1 VHF 2.0 VHF 2.0 UHF 2.0 UHF 2.0 13 14 RF Input for VHF band VHFIN2 UHFIN1 15 16 RF Input for UHF band UHFIN2 -6- NJM2540/2543 TYPICAL CHARACTERISTICS Vcc=5V,fIF=45.75MHz,TA=25°C C O N V E R TION G AIN v sR F F R EQ U E NC Y 60 20 RF IN P U T L EV E L v sIF O UT P U T L E V E L 50 10 CONVE RTION GAIN [dB] IF OUTP UT LE V E L [dBm] 40 UH F 0 30 VHF _Lo w V HF _Hi -1 0 20 -2 0 fR F=127.25M Hz (VH F_L ow) 10 -3 0 fR F=361.25M Hz (VH F_H i) fRF= 80 1.25M H z (UHF) 0 0 20 0 40 0 600 800 -4 0 -8 0 -6 0 -4 0 -2 0 0 20 R F F R E Q U E N C Y [MH z] R F IN P UT L E V EL [dB m ] P C S BE AT v sR F F R EQU E N C Y f p/fc/fs:Id e ntit y Lev el,IF Lev e l= -10d Bm 80 20 NO ISE F IG U R E v sR F F R EQ U E N C Y 75 16 70 fIF +92 0H z P CS B E AT [dB] V H F _Lo w 65 V H F _H i UH F 60 NF [dB] V HF_Low VHF _Hi UH F 12 8 55 fRF-92 0K H z 50 4 45 40 0 20 0 40 0 60 0 80 0 R F FR E Q UE N C Y [M H z] 0 0 200 400 600 800 R F F R EQ U E NC Y [M Hz ] -7- MEMO [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights.