參數(shù)資料
型號: TDA7421N
廠商: STMICROELECTRONICS
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64
封裝: TQFP-64
文件頁數(shù): 37/47頁
文件大小: 374K
代理商: TDA7421N
Data byte specification
TDA7421N
Table 33.
FM soft mute / FM IF amplifier/fm audio mute gain (subaddress 07H)
MSB
LSB
Function
FSM3
FSM2
FSM1
FSM0
FBL1
FBL0
AUM1
AUM0
FM
softmute
MSB
FM
softmute
FM
softmute
FM
softmute
LSB
buff 2
gain
buff 2
gain
Mute
Depth
MSB
Mute
Depth
LSB
FM soft mute threshold
0000
Maximum sensitivity
XX
1111
Minimum sensitivity
all combinations allowed
Audio max mute attenuation
00
-5
01
-7.5
10
-10
1
-12.5
all comb. allowed
Buffer 2 Gain (dB)
00
10
01
6
10
8
all else not allowed
Table 34.
FM hole detector / FM detuning detector (subaddress 08H)
MSB
LSB
Function
BWM2
BWM1
BWM0
HDM4
HDM3
HDM2
HDM1
HDM0
BW
Slope
30 kHz
BW
Slope
15 kHz
BW
Slope
10 kHz
Hole
det
MSB
Hole
det
Hole
det
Hole
det
Hole
det LSB
Muting sensitivity (hole depth)
0
Minimum (deep hole)
XXX
XX
1
Maximum (shallow hole)
all combinations allowed
RECEPTION
Detuning mute range (kHz)
00
1
10
01
0
15
相關(guān)PDF資料
PDF描述
TDA7421 AUDIO SINGLE CHIP RECEIVER, PQFP64
TDA7427AAD1 PLL FREQUENCY SYNTHESIZER, 200 MHz, PDSO28
TDA7427AD PLL FREQUENCY SYNTHESIZER, 200 MHz, PDSO28
TDA7427AD1TR PLL FREQUENCY SYNTHESIZER, 200 MHz, PDSO28
TDA7429L 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP42
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