參數(shù)資料
型號(hào): TDA7409D
廠商: STMICROELECTRONICS
元件分類(lèi): 音頻控制
英文描述: 1 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO20
封裝: SOP-20
文件頁(yè)數(shù): 9/25頁(yè)
文件大小: 299K
代理商: TDA7409D
17/25
TDA7409
2.5 DATA BYTE SPECIFICATION
2.5.1 Input Selector / Gain
2.5.2 Loudness
Note 1: The attenuation is specified at high frequencies. Around the center frequency the value is different depending on the programmed
attenuation (see Loudness-frequency-response).
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
1
1
1
0
1
0
1
1
0
1
0
1
0
1
0
1
Source Selector
Not used
Single Ended 1
Mute
Single Ended 2
Single Ended 4
Single Ended 3
Mute
Beep
0
1
1
0
1
X
X
0
1
0
1
X
X
0
1
0
1
0
1
0
1
X
X
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Input Gain
0dB
1dB
2dB
3dB
4dB
5dB
6dB
7dB
8dB
9dB
10dB
11dB
12dB
13dB
14dB
16dB
18dB
20dB
MSB
LSB
LOUDNESS
D7
D6
D5
D4
D3
D2
D1
D0
0
:
1
1
0
:
1
1
0
:
1
1
0
1
:
0
1
Attenuation
0dB
-1 dB
:
-14 dB
-15 dB
00
0
1
1
0
1
0
1
Filter / Center Frequency
off(flat) 'D6 must be = 0'
400Hz
800Hz
2.4KHz
0
1
Shape
Low Boost
Low & High Boost
0
1
SoftStep-Volume
off
on
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