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參數(shù)資料
| 型號(hào)： | TDA7515 |
| 廠商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 調(diào)諧器 |
| 英文描述： | 1-BAND, AUDIO TUNER, QFP44 |
| 封裝： | 10 X 10 MM, 1.40 MM HEIGHT, TQFP-44 |
| 文件頁(yè)數(shù)： | 3/7頁(yè) |
| 文件大小： | 103K |
| 代理商： | TDA7515 |
TDA7515
Block diagram and pin description
3/7
Table 1.
Pin description
Pin No.
Pin Name
Function
1
AMRFAGCin
AM AGC input for RF detection
2
AMRFAGCout
AM AGC output for RF AGC
3
AMPINDR
AM AGC pin-diode driver
4
FMPINDR
FM AGC pin-diode driver
5
FMIN1
FM mixer input 1
6
RFGND
RF ground
7
FMIN2
FM mixer input 2
8
FMAGCTC
FM AGC time constant
9
TV1
Tuning voltage 1 output
10
TV2
Tuning voltage 2 output
11
VCCVCO
Supply voltage VCO
12
GNDVCO
VCO ground
13
VCOB
Base VCO
14
VCOE
Emitter VCO
15
VPLL
PLL supply voltage
16
LPAM/SW
OP AMP input to PLL loop filter AM / switch output (optional)
17
LPOUT
OPAMP output to PLL loop filter
18
LPREF
Voltage reference for PLL
19
LPFM
OP AMP input to PLL loop filter FM
20
LPHC
High current PLL loop filter
21
GNDPLL
PLL ground
22
SCL
Bus connection (IIC clock)
23
SDA
Bus connection (IIC data)
24
IFAMAGCTC
Time constant for AM IF AGC
25
Fref-
Reference frequency input
26
Fref+
Reference frequency input
27
Vref
Reference voltage 5V
28
DAGC
Digital keying AGC input
29
IFGND
IF ground
30
IFOUT2
IF amplifier output
31
IFOUT1
IF amplifier output
32
VCCIF
Supply voltage for IF output
33
IFAGCTC
IF AGC time constant
34
VCC
Supply voltage
35
IFINAM
IF input for narrowband AM
36
GND
Ground
37
IFIN1
IF Input - signal
38
IFIN2
IF Input - blocked
39
MIXOUT1
Mixer output
40
MIXOUT2
Mixer output
41
AMAGCTC
AM AGC time constant
42
FMIFAGCin
IF input for FM AGC
43
AMIN2
AM RF input
44
AMIN1
AM RF input
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