參數(shù)資料
型號: TDA7705TR
廠商: STMICROELECTRONICS
元件分類: 接收器
英文描述: AUDIO/VIDEO DEMODULATOR, PQFP64
封裝: 10 X 10 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-64
文件頁數(shù): 11/42頁
文件大?。?/td> 396K
代理商: TDA7705TR
TDA7705
Electrical specifications
Doc ID 15938 Rev 8
3.4.3
VCO
3.4.4
Phase locked loop
3.4.5
Tuning DAC
3.4.6
IF ADC
Table 9.
VCO
Symbol
Parameter
Test condition
Min
Typ
Max
Units
FVCO
Frequency range VCO
-
1100
1550
MHz
PN
Phase noise of LO
Locked VCO;
values referred @ 100MHz
@ 100 Hz
@ 1 kHz
@ 10 kHz
-
-100
-115
-dBc/Hz
dev
Deviation error (rms)
FM reception, deemphasis
50s, faudio = 20 Hz...20 kHz
-5
-
Hz
Table 10.
Phase locked loop
Symbol
Parameter
Test condition
Min
Typ
Max
Units
Tsettle
Settling time FM
Δf < 10 kHz
-
300
-
s
FM step
FM frequency step
-
5
-
kHz
AM step
AM frequency step
-
500
-
Hz
Table 11.
Tuning DAC
Symbol
Parameter
Test condition
Min
Typ
Max
Units
Res
Resolution
8 bit
-
18
-
mV
Voutmin
Min output voltage
-
0.6
0.7
V
Voutmax
Max ouput voltage
-
VCC-0.2
VCC-0.1
-
V
Rout
Output impdedance
-
1.5
2.5
3.5
k
Ω
DNL
Diff. Non linearity
-
0.5
LSB
Tconv
Conversion time
-
20
-
s
Table 12.
IF ADC
Symbol
Parameter
Test condition
Min
Typ
Max
Units
DRFM
Dynamic range in FM
BW = ±200 kHz
-
90
-
dB
VN,in FM
Input noise referred to mixer input
mixer 1
mixer 2
-
1.1
0.7
1.9
1.2
nV/
√Hz
DRAM
Dynamic range in AM
BW = ±4 kHz
-
103
-
dB
VN,in AM
Input noise referred to mixer input
-
6.9
12
nV/
√Hz
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