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參數(shù)資料
| 型號(hào)： | TDA7421N |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | AM/FM TUNER FOR CAR RADIO AND HI-FI APPLICATIONS |
| 中文描述： | AM / FM調(diào)諧的汽車收音機(jī)及音響應(yīng)用 |
| 文件頁數(shù)： | 4/38頁 |
| 文件大?。?/td> | 337K |
| 代理商： | TDA7421N |
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TDA7421N
4/38
20
LP IN3
FM-HS loop filter connection to op-amp inverting input
21
PLL VREF
Voltage reference to Op Amp noninverting input
22
PLL GND
PLL ground
23
SLEEP
I
2
C bus disconnect signal
24
SDA
I
2
C bus data
25
SCL
I
2
C bus clock
26
DIG VDD
Digital positive supply
27
DIG GND
Digital ground
28 (*)
IFC SSTOP
AM STEREO OUT
IF-Counter stop signal or
AM IF2 amplifier output
29
CLN GND
“Clean” ground
30
IF2 GND
IF2 ground
31
AM AGC2 TC
AM 2
nd
AGC time constant
32
AM DET
AM detector capacitor
33
AM BPF
AM IF filter
34
AM REF
Reference voltage of AM IF amplifier
35
AM IF2 in
AM IF2 amplifier input
36
IF2 VCC
IF2 positive supply
37
FM QUAD -
FM quadrature detector tank (differential -)
38
FM QUAD +
FM quadrature detector tank (differential +)
39
AUDIO OUT
FM MPX/AM Audio output
40 (*)
FM SD
AM SD
FM station detector output or
AM station detector output
41 (*)
FM SMETER
AM SMETER
FM DET ADJ
FM S-meter output or
AM S-meter output or
FM detector adjustment output
42
FM MUTE DRIVE
FM mute time constant
43
FM BW TC
FM detuning detector time constant
44
IF1 GND
IF1 ground
45
FM LIM IN -
FM limiter negative input (differential -)
46
FM LIM IN +
FM limiter negative input (differential +)
47
IF1 VCC
IF1 positive supply
48
FM IF AMP2 OUT
FM 2
nd
IF amplifier output
N.
Name
Function
PIN DESCRIPTION
(Continued)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA7421 | AM/FM TUNER FOR CAR RADIO AND Hi-Fi APPLICATIONS |
| TDA7427A | AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
| TDA7427AAD | AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
| TDA7427AAD1 | AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7427 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
| TDA7427A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
| TDA7427AAD | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
| TDA7427AAD1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
| TDA7427AD1 | 功能描述:音頻 DSP AM/FM Radio Freq Syn RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
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