參數(shù)資料
型號: TDA7513T
廠商: STMICROELECTRONICS
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP80
封裝: 14 X 14 MM, 1.40 MM HEIGHT, TQFP-80
文件頁數(shù): 9/84頁
文件大?。?/td> 845K
代理商: TDA7513T
TDA7513T
Electrical characteristcs
Table 16.
AGC1
(Wide AGC input = AM Mixer1 input; Narrow AGC input = AM Mixer2 input; Ultra Narrow
AGC input = AM IF2 Amp input; fWAGCin = 999kHz, fNAGCIN = 10.7MHz, fUNAGCin =
450kHz)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
WAGCsp
Wide AGC
min
AMMIX1IN+ @
I(AMAGC1VOUT) = 1 uA
85
dB
μV
starting point
max
104
dB
μV
NAGCsp
NarrowAGC
min
AMMIX1IN+ @
I(AMAGC1VOUT) = 1 uA
79
dB
μV
starting point
max
97
dB
μV
UNAGCsp
Ultra Narrow
AGC
min
AMMIX1IN+ @
I(AMAGC1VOUT) = 1 uA
50
dB
μV
starting point
max
97
dB
μV
AGC1R
AGC1 filtering resistor
AMAGC1TC pin
100
K
Ω
Iout
min
AGC OFF
1
μA
max
AGC ON
0.4
mA
Vout
min
AGC ON
0.5
V
max
AGC OFF
3.38
V
AGC1VRout
AMAGC1VOUT output
resistance
23
K
Ω
Table 17.
Mixer2
(Input at AMMIX2IN, fc = 10.7MHz, no mod)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
Gv, max
conversion gain, no AGC
from AMMIX2IN to IFT2
secondary loaded with 2k
Ω
15
dB
Gv, min
conversion gain, full AGC
from AMMIX2IN to IFT2
secondary loaded with 2k
Ω
-7
dB
IIP3
Input 3rd order intercept
point
referred to AMMIX2IN, no
AGC
120
dB
μV
Rin
input resistance
AMMIX2IN w.r.t. ground
330
W
CIFT2
IFT2
min
Between AMMIX2OUT and
gnd
0pF
adjustment
max
24
pF
capacitor
step
1.6
pF
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