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TDA7514 数据表(PDF) 14 Page - STMicroelectronics

部件名 TDA7514
功能描述  SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR
PDF  74 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7514 数据表(HTML) 14 Page - STMicroelectronics

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TDA7514
14/74
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
AGC1 Narrow Band AGC (input: AMMIXER2in; FEAGC in open-loop configuration)
NAGCspl
Starting point minimum
Level at AMMIX2IN
@IAGCOUT = 1µA
IF1=10.7MHz, Set=0
96.3
dB
µV
NAGCsph
Starting point maximum
Level at AMMIX2IN
@IAGCOUT = 1µA
IF1=10.7MHz, Set=31
117.0
dB
µV
AGC1 Ultra Narrow Band AGC (input: AMIF2IN+; FEAGC in open-loop configuration)
UNAGCspl
Starting point minimum
Level at AMIF2IN
@IAGCOUT =1uA
IF2=450KHz, Set=0
69.6
dB
µV
UNAGCsph
Starting point maximum
Level at AMIF2IN
@IAGCOUT =1uA
IF2=450KHz, Set=15
76.9
dB
µV
AGC1 Output
Ioutl
Pindiode drive current
minimum
AGCOFF
1
µA
Iouth
Pindiode drive current
maximum
AGCON
0.4
mA
Voutl
Rfamp control voltage
minimum
AGCON
0.5
V
Vouth
Rfamp control voltage
maximum
AGCOFF
3.5
V
Ragcvout
Output resistance at VOUT
17
k
Ω
AGC1 Time Constant
Ragc1tc1
Time constant FAST mode
Output resistance
AMAGC1TCpin
9k
Ω
Ragc1tc2
Time constant Normal mode
Output resistance
AMAGC1TCpin
100
k
Ω
AMMIXER2
Gmix2max
Conversion Gain
From AMMIXER2in to IFT2
secondary loaded with 2k
Ω
8dB
IIP3mix2
Input-referred IP3
140
dB
µV
Rmix2in
Input resistance
2.4
k
Ω
AMIF2amplifier
Gif2ampmin
min. gain , no AGC2
T29<7:4>=0010
68
dB
Gif2ampmax
max. gain , no AGC2
T29<7:4>=1111
82
dB
Δ Gif2amp
AGC2 range
-40
dB
Rif2ampin
Input resistance
2
k
Ω
SoftMute by Smeter
Vthsm1
Threshold level1
T14<1:0>=00
0.3
V
Table 4. (continued)



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