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SN761640 Datasheet(PDF) 3 Page - Texas Instruments

Part # SN761640
Description  DIGITAL TV TUNER IC
Download  30 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

SN761640 Datasheet(HTML) 3 Page - Texas Instruments

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TERMINAL FUNCTIONS
SN761640
www.ti.com .............................................................................................................................................................................................. SLES237 – OCTOBER 2008
TERMINAL
DESCRIPTION
SCHEMATIC
NAME
NO.
AIF OUT
13
IF amplifier output (analog)
Figure 8
AS
28
Address selection input
Figure 1
BS1
31
Band switch 1 output
Figure 2
BS2
32
Band switch 2 output
Figure 2
BS3
33
Band switch 3 output
Figure 2
BS4
44
Band switch 4 output
Figure 2
BUS GND
27
BUS ground
CP
10
Charge-pump output
Figure 3
DIF OUT1
14
IF amplifier output 1
Figure 9
DIF OUT2
15
IF amplifier output 2
Figure 9
IF GCA CTRL
16
IF GCA CTRL voltage inout
Figure 4
IF GCA GND
20
IF GCA ground
IF GCA IN1
18
IF GCA input 1
Figure 5
IF GCA IN2
19
IF GCA input 2
Figure 5
IF GCA OUT1
22
IF GCA output 1
Figure 6
IF GCA OUT2
21
IF GCA output 2
Figure 6
IF GND
12
IF ground
IF IN
36
IF amplifier input
Figure 7
MIXOUT1
37
Mixer output 1
Figure 10
MIXOUT2
38
Mixer output 2
Figure 10
OSC GND
9
Oscillator ground
P5/ADC
26
Port-5 output/ADC input
Figure 11
RF AGC BUF
34
RF AGC buffer output
Figure 12
RF AGC OUT
35
RF AGC output
Figure 13
RF GND
39
RF ground
SCL
29
Serial clock input
Figure 14
SDA
30
Serial data input/output
Figure 15
UHF OSC B1
5
UHF oscillator base 1
Figure 16
UHF OSC B2
8
UHF oscillator base 2
Figure 16
UHF OSC C1
6
UHF oscillator collector 1
Figure 16
UHF OSC C2
7
UHF oscillator collector 2
Figure 16
UHF RF IN1
43
UHF RF input 1
Figure 17
UHF RF IN2
42
UHF RF input 2
Figure 17
VCC
17
Supply voltage for mixer/oscillator/PLL: 5 V
VHI OSC B
3
VHF-H oscillator base
Figure 18
VHI OSC C
4
VHF-H oscillator collector
Figure 18
VHI RF IN
41
VHF-H RF input
Figure 19
VLO OSC B
1
VHF-L oscillator base
Figure 20
VLO OSC C
2
VHF-L oscillator collector
Figure 20
VLO RF IN
40
VHF-L RF input
Figure 21
VTU
11
Tuning voltage amplifier output
Figure 3
XTAL1
23
4-MHz crystal oscillator output
Figure 22
XTAL2
24
4-MHz crystal oscillator input
Figure 22
XTALOUT
25
4-MHz crystal oscillator buffer output
Figure 23
Copyright © 2008, Texas Instruments Incorporated
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