參數資料
型號: TDA7540N
廠商: STMICROELECTRONICS
元件分類: 調諧器
英文描述: 2-BAND, AUDIO TUNER, PQFP80
封裝: 14 X 14 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-80
文件頁數: 76/76頁
文件大?。?/td> 1225K
代理商: TDA7540N
TDA7540N
Pins description and connection diagrams
10
GNDRF
RF ground
11
FMMIX1IN2
FM mixer1 input2
12
TV1
Tuning voltage preselection1
13
TV2
Tuning voltage preselection2
14
ISSSTATUS
ISS filter status output
15
S1
Free programmable switching output
16
FMAGCTC
FM AGC time constant
17
S2
Free programmable switching output
18
VCOB
VCO input base
19
VCOE
VCO output emitter
20
VCCVCO
VCO supply
21
GNDVCO
VCO ground
22
FSU
Unweighted fieldstrength output
23
ADJCH
Ident. adjacent channel output
24
AMST/MP
AM stereo output / ident. multipath output
25
STEREO
Stereo information indication output
26
XTALG
Xtal oscillator to MOS gate
27
ISSTC1
Time constant1 ISS filter switch
28
ISSTC2
Time constant2 ISS filter switch
29
XTALD
Xtal oscillator to MOS drain
30
SSTOP
Search stop output
31
SDA
I2C-Bus data
32
SCL
I2C-Bus clock
33
FSTC
S-meter filtering capacitor
34
GNDVCC3
VCC3 ground
35
LPOUT
Op amp output to PLL loop filters
36
VCC3
Supply tuning voltage
37
VREF2
Voltage reference for PLL op amp
38
LPAM
Op amp input to PLL loop filters AM
39
LPFM
Op amp input to PLL loop filters FM
40
LPHC
High current PLL loop filter input
41
GNDVCC1
Digital ground
42
R
Stereodecoder output right
43
L
Stereodecoder output left
44
VCC1
Digital supply
45
FSWO
Weighted fieldstrength output with programmable DC offset
46
Qualyout
Stereodecoder quality output
Table 2.
Pin description (continued)
Pin #
Pin name
Function
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相關代理商/技術參數
參數描述
TDA7540NTR 功能描述:調諧器 AM/FM car radio Tuner IC Decoder RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數: 工作電源電壓: 最小工作溫度: 最大工作溫度:
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TDA7541B 功能描述:音頻放大器 AM/FM car radio Tuner IC Decoder RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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TDA7541BWTR 功能描述:音頻放大器 AM/FM car radio Tuner IC Decoder RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel