TA1284FN TENTATIVE TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA1284FN UHF / VHF TUNER IC (Low Phase Noise Oscillator) The TA1284FN is TV tuner IC which integrate mixer / oscillator for VHF and CATV bands, mixer / oscillator for UHF band, and IF amplifier on a single chip. Supply voltage of 5 V helps lower power dissipation from the set. Compact 16-pin SSOP makes the tuner more compact. FEATURES l Supply voltage : 5V l Built-in mixer / oscillator for VHF and CATV bands l Built-in mixer / oscillator for UHF band l Oscillator circuits is low phase noise. l Built-in IF amplifier l Low power dissipation. Note: Weight: 0.07g (Typ.) These devices are easily damaged by high static voltage or electric fields. In this regard, please handle with care. 000707EBA1 · TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc.. · The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made at the customer’s own risk. · The products described in this document are subject to the foreign exchange and foreign trade laws. · The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. · The information contained herein is subject to change without notice. 2003-02-06 1/9 TA1284FN BLOCK DIAGRAM TERMINAL FUNCTION PIN No. 1 PIN NAME FUNCTION VHF Oscillator VHF oscillator. Oscillator circuit is low phase noise. GND GND pin MIX Output Mixer output. For tuning, connect a tank circuit between pins 3 and 4. 5 IF Output IF output. Output impedance : 75Ω 6 VCC (MIX·IF AMPLIFIER Block) VCC (Mixer and IF amplifier block) 16 2 3 4 INTERFACE ― ― 2003-02-06 2/9 TA1284FN PIN No. 7 8 PIN NAME FUNCTION INTERFACE VHF-RF input. VHF input Normally, ground pin 7 to AC using a capacitor and input to pin 8. UHF·RF input. 9 10 11 12 UHF input Either apply balanced input to pins 9 and 10 or ground pin 10 to AC and input to pin 9. REG Regulator output. U / V band switch Band changeover switch. VHF ; [L] or Open UHF ; [H] * [L] = 0 V [H] = VCC 13 14 15 VCC (OSC) UHF Oscillator VCC pin (oscillator block) ― UHF oscillator. Oscillator circuit is low phase noise. MAXIMUM RATINGS (Ta = 25°C) CHARACTERISTIC SYMBOL RATING UNIT VCC 6.5 V Power Dissipation PD 568 [IC only] mW Operating Temperature Topr −20~85 °C Storage Temperature Tstg −55~150 °C Power Supply Voltage Note: When using the device at above Ta = 25°C, decrease the power dissipation by 4.6 mW for each increase of 1°C. 2003-02-06 3/9 TA1284FN OPERATING SUPPLY VOLTAGE PIN No. SYMBOL MIN TYP. MAX UNIT 6, 13 VCC 4.5 5.0 5.5 V ELECTRICAL CHARACTERISTICS DC CHARACTERISTICS (Unless otherwise specified, VCC = 5 V, Ta = 25°C) CHARACTERISTIC Power Supply and TEST CONDITION MIN TYP. MAX ― 26.0 33.5 45.0 1 Power Supply and ― 29.5 38.0 51.0 Pin 1 For VHF V1-V ― 1.7 2.0 2.3 Pin 1 For UHF V1-U ― 0 0 0.2 Pin 3 For VHF V3-V ― 3.6 3.9 4.2 Pin 3 For UHF V3-U ― 3.3 3.6 4.0 Pin 4 For VHF V4-V ― 3.6 3.9 4.2 Pin 4 For UHF V4-U ― 3.3 3.6 4.0 Pin 5 For VHF V5-V ― 1.9 2.2 2.6 Pin 5 For UHF V5-U ― 1.9 2.2 2.6 Pin 7 For VHF V7-V ― 1.4 1.7 2.0 Pin 7 For UHF V7-U ― 1.4 1.7 2.0 Pin 8 For VHF V8-V ― 1.4 1.7 2.0 Pin 8 For UHF V8-U ― 1.4 1.7 2.0 Pin 9 For VHF V9-V ― 1.4 1.7 2.0 Pin 9 For UHF V9-U ― 1.3 1.6 1.9 Pin 10 For VHF V10-V ― 1.4 1.7 2.0 Pin 10 For UHF V10-U ― 1.3 1.6 1.9 Pin 11 For VH V11-V ― 3.8 4.1 4.4 Pin 11 For UHF V11-U ― 3.8 4.1 4.4 Pin 12 For VHF V12-V ― 0 0 0 Pin 12 For UHF V12-U ― ― VCC ― Pin 14 For VHF V14-V ― 0 0 0.2 Pin 14 For UHF V14-U ― 0.9 1.2 1.5 Pin 15 For VHF V15-V ― 0 0 0.2 Pin 15 For UHF V15-U ― 1.8 2.1 2.4 Pin 16 For VHF V16-V ― 0.9 1.2 1.5 Pin 16 For UHF V16-U ― 0 0 0.2 1 UNIT mA ICC-U Current For UHF (*1) TEST CIRCUIT ICC-V Current For VHF Terminal Voltage SYMBOL V (*1) Uppe : VHF mode Lower : UHF mode 2003-02-06 4/9 TA1284FN AC CHARACTERISTICS (Unless otherwise specified, VCC = 5 V, Ta = 25°C) CHARACTERISTIC SYMBOL Conversion Gain (Note 1) Noise Figure (Note 2) IF Out Power Level (Note 3) Conversion Gain Shift (Note 4) Frequency Shift (Note 5) Switching On Drift (Note 6) 1% Cross Modulation (Note 7) Inter Modulation (Note 8) CG NF IFp CGs ∆fB ∆fs CM IM3 TES T CIRCUI T 2 2 2 2 2 2 2 2 Phase Noise (10 kHz offset) PN (Note 9) 2 BAND TEST CONDITION(*2) MIN TYP. MAX VHF fRF = 91.25 MHz 21.0 22.0 24.0 VHF fRF = 217.25 MHz 21.0 22.0 24.5 UHF fRF = 471.25 MHz 24.0 25.5 27.0 UHF fRF = 765.25 MHz 23.0 24.5 26.5 VHF fRF = 91.25 MHz ― 9.0 10.0 VHF fRF = 217.25 MHz ― 9.5 10.5 UHF fRF = 471.25 MHz ― 9.0 9.5 UHF fRF = 765.25 MHz ― 10.5 11.5 VHF fRF = 91.25 MHz 8.5 9.5 ― VHF fRF = 217.25 MHz 8.5 9.5 ― UHF fRF = 471.25 MHz 8.5 9.5 ― UHF fRF = 765.25 MHz 8.5 9.5 ― VHF fRF = 91.25 MHz ― ― ±0.5 VHF fRF = 217.25 MHz ― ― ±0.6 UHF fRF = 471.25 MHz ― ― ±0.6 UHF fRF = 765.25 MHz ― ― ±0.8 VHF fRF = 91.25 MHz ― ― ±100 VHF fRF = 217.25 MHz ― ― ±100 UHF fRF = 471.25 MHz ― ― ±500 UHF fRF = 765.25 MHz ― ― ±300 VHF fRF = 91.25 MHz ― ― ±50 VHF fRF = 217.25 MHz ― ― ±50 UHF fRF = 471.25 MHz ― ― ±100 UHF fRF = 765.25 MHz ― ― ±100 VHF fRF = 91.25 MHz 81.0 82.0 ― VHF fRF = 217.25 MHz 81.5 82.0 ― UHF fRF = 471.25 MHz 72.0 75.0 ― UHF fRF = 765.25 MHz 70.5 72.0 ― VHF fRF = 91.25 MHz 63.0 65.0 ― VHF fRF = 217.25 MHz 62.5 65.0 ― UHF fRF = 471.25 MHz 59.5 61.0 ― UHF fRF = 765.25 MHz 58.0 61.0 ― VHF fRF = 91.25 MHz ― −97.0 −94.5 VHF fRF = 217.25 MHz ― −99.0 −96.5 UHF fRF = 471.25 MHz ― −94.5 −92.0 UHF fRF = 765.25 MHz ― −91.5 −88.0 UNIT dB dB dBm W dB kHz kHz dBµV dB dBc / Hz (*2) IF = 58.75 [ MHz] 2003-02-06 5/9 TA1284FN TEST CONDITIONS Note 1: Note 2: Note 3: Note 4: Note 5: Note 6: Note 7: Note 8: Note 9: Conversion Gain fRF input level = −30 dBmW Noise Figure Noise Figure meter used. IF Out Power Level Measure IF output level when it is maximum level. Conversion Gain Shift The Conversion gain shift is defined as a change in conversion gain when supply voltage varies from VCC = 5 to 4.5 V or from VCC = 5 to 5.5 V. Frequency Shift The frequency shift is defined as a change in oscillator frequency when the supply voltage varies from VCC = 5 to 4.5 V or from VCC = 5 to 5.5 V. Switching On Drift Measure frequency change from 2 seconds after switching on to 3 minutes. 1% Cross Modulation · fd = fp (fdRF input level = −30 dBmW) · fud = fp+12 MHz 100 kHz, 30%AM Input two signals, and increase the fudRF input level. Measure the fudRF input level when the suppression level reaches 56.5 dB. Inter Modulation · fd = fp · fud = fp+1 MHz Input the two signals above, and increase the input levels. When the IF output level is −11 dBmW, measure the suppression level. Phase Noise (10 kHz offset) Measure phase noise of 10 kHz offset. 2003-02-06 6/9 TA1284FN TEST CIRCUIT1 DC CHARACTERISTICS 2003-02-06 7/9 TA1284FN TEST CIRCUIT2 AC CHARACTERISTICS VHF UHF fIF : : : fRF = 91.25 [MHz]~217.25 [MHz] fRF = 471.25 [MHz]~765.25 [MHz] 58.75 [MHz] LINE DIAMETER TURN DIAMETER NUMBER OF TURNS L1 0.3 2.4 mm 7.5 T L2 0.3 1.4 mm 2.5 T L3 = 0.9 µH±5% 2003-02-06 8/9 TA1284FN PACKAGE DIMENSIONS Weight: 0.07g (Typ.) 2003-02-06 9/9