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SN761662 Datasheet(PDF) 3 Page - Texas Instruments |
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SN761662 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 20 page www.ti.com Pin Assignments SN761662 DTV TUNER IC SLES161 – NOVEMBER 2005 Pin Description TERMINAL DESCRIPTION SCHEMATIC NAME NO. AGC FIL1 26 Additional peak-hold capacitor pin Figure 1 AGC FIL2 27 RF AGC LPF capacitor pin Figure 1 AS 20 Address selection input Figure 2 BS1 23 Band-switch1 output Figure 3 BS2 24 Band-switch2 output Figure 3 BS3 25 Band-switch3 output Figure 3 BS4 34 Band-switch4 output Figure 3 BUS GND 29 Serial bus/band-switch ground CP 14 Charge pump output Figure 4 IF GND 10 IF ground IF OUT1 11 IF amplifier output Figure 5 IF OUT2 12 IF amplifier output Figure 5 MIX OUT1 31 Mixer output Figure 6 MIX OUT2 32 Mixer output Figure 6 N.C. 30 No connection OSC GND 3 Oscillator ground P5/ADC 16 Port 5 output/ADC input Figure 7 RF AGC 28 RF AGC output Figure 8 RF GND 33 RF ground SCL 21 Serial clock input Figure 9 SDA 22 Serial data input/output Figure 10 UHF OSC B1 6 UHF oscillator base1 Figure 11 UHF OSC B2 9 UHF oscillator base2 Figure 11 UHF OSC C1 7 UHF oscillator collector1 Figure 11 UHF OSC C2 8 UHF oscillator collector2 Figure 11 UHF RFIN1 37 UHF RF input Figure 12 UHF RFIN2 38 UHF RF input Figure 12 VCC 13 Supply voltage for mixer/oscillator/PLL: 5 V VHI OSC B 4 VHF HIGH oscillator base Figure 13 VHI OSC C 5 VHF HIGH oscillator collector Figure 13 VHI RFIN 36 VHF-H RF input Figure 14 VLO OSC B 1 VHF LOW oscillator base Figure 15 VLO OSC C 2 VHF LOW oscillator collector Figure 15 VLO RFIN 35 VHF-L RF input Figure 18 VTU 15 Tuning voltage amplifier output Figure 4 XTAL1 17 4-MHz crystal oscillator output Figure 16 XTAL2 18 4-MHz crystal oscillator input Figure 16 XTALOUT 19 4-MHz oscillator output Figure 17 3 |
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