參數(shù)資料
型號: TDA7340G013TR
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44
封裝: 10 X 10 MM, PLASTIC, QFP-44
文件頁數(shù): 5/28頁
文件大?。?/td> 376K
代理商: TDA7340G013TR
SPEAKER ATTENUATORS
MSB
LSB
SPEAKER ATTENUATORS LF, LR, RF, RR
D7
D6
D5
D4
D3
D2
D1
D0
-1.25dB STEPS
000
0dB
0
1
-1.25dB
010
-2.5dB
0
1
-3.75dB
100
-5dB
1
0
1
-6.25dB
110
-7.5dB
1
-8.75dB
10dB STEPS
0
0dB
0
1
-10dB
1
0
-20dB
1
-30dB
11111
Speaker Mute
For example an attenuation of 25dB on a selected output is given by: 11110100
Note:
If the speaker attenuator bytes the three MSBs are used for additional Noise blanker Roll off programming
STEREO DECODER
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
11dB Input Gain
0
1
8.5dB Input Gain
1
0
6dB Input Gain
1
3.5dB Input Gain
0
Stereo Decoder Muted
1
Stereo Decoder Off
1
Forced Mono
0
Noise Blanker Threshold 1 NBT 35mV
0
1
Noise Blanker Threshold 2 NBT 45mV
1
0
Noise Blanker Threshold 3 NBT 55mV
1
Noise Blanker Threshold 4 NBT 65mV
0
Pilot Threshold High (Pth = 0)
1
Pilot Threshold Low (Pth = 1)
For example pilot threshold low, noise blanker threshold 3 (NTB = 10), Stereo decoder ON, 6dB input
gain is given by: 11000010.
TDA7340G
13/27
相關(guān)PDF資料
PDF描述
TDA7340S 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP42
TDA7340C 2 CHANNEL(S), TONE CONTROL CIRCUIT, PQCC44
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